CN111083943B - Near field wireless communication connection method and system, active pen and touch screen - Google Patents
Near field wireless communication connection method and system, active pen and touch screen Download PDFInfo
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- CN111083943B CN111083943B CN201880001018.XA CN201880001018A CN111083943B CN 111083943 B CN111083943 B CN 111083943B CN 201880001018 A CN201880001018 A CN 201880001018A CN 111083943 B CN111083943 B CN 111083943B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
A near field wireless communication connection method, a system, an active pen (604) and a touch screen (6024), wherein the near field wireless communication connection method comprises: the method comprises the steps that an active pen (604) sends a connection trigger signal (S102) to a touch screen (6024), wherein the connection trigger signal is used for triggering and establishing short-distance wireless communication connection between the active pen (604) and equipment where the touch screen (6024) is located; receiving a first request (S104) sent by the touch screen (6024) according to the trigger signal, wherein the first request is used for requesting identification information of the active pen (604); transmitting identification information of the active pen (604) to the touch screen (6024) according to the first request, and receiving a second request (S106) fed back by the touch screen (6024) according to the identification information, wherein the second request is used for requesting pairing information of the active pen (604) for short-distance wireless communication; according to the second request, the pairing information of the active pen (604) is sent to the touch screen (6024) so as to establish a short-distance wireless communication connection with the device where the touch screen (6024) is located (S108).
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a short-distance wireless communication connection method and system, and an active pen and a touch screen.
Background
With the development of communication technology, the near field communication technology is widely applied to various devices, and an active pen is one of them. The active pen is a device in which a near field communication circuit is provided in the pen and which can actively transmit a signal to a touch screen, and the touch screen detects related information such as coordinates of the active pen according to the received transmission signal.
Taking an active pen using a bluetooth short-range wireless communication circuit as an example, the first connection communication process between the active pen and an electronic device such as a computer at present includes: (1) The Bluetooth equipment in the active pen is opened, so that the active pen enters a pairing mode; (2) Turning on Bluetooth equipment on a computer, waiting for the computer to scan and list all searched Bluetooth equipment; (3) Manually selecting corresponding active pen equipment from all Bluetooth equipment scanned by a computer to perform pairing operation; (4) After the pairing is successful, the active pen and the computer carry out Bluetooth communication.
On the one hand, in the existing bluetooth communication mode, the first connection operation between the devices must be manually completed by the user, and the operation is complicated; on the other hand, when there are many bluetooth devices, particularly a plurality of bluetooth devices of the same name, for example, when there are other bluetooth devices consistent with the bluetooth name of the current active pen, it may be difficult for the user to select the correct device.
Disclosure of Invention
The embodiment of the invention provides a short-distance wireless communication connection method, a short-distance wireless communication connection system, an active pen and a touch screen, so as to solve the problems.
According to a first aspect of an embodiment of the present invention, there is provided a short-range wireless communication connection method, including: the method comprises the steps that an active pen sends a connection trigger signal to a touch screen, wherein the connection trigger signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located; receiving a first request sent by the touch screen according to the trigger signal, wherein the first request is used for requesting the identification information of the active pen; sending identification information of the active pen to the touch screen according to the first request, and receiving a second request fed back by the touch screen according to the identification information, wherein the second request is used for requesting pairing information of the active pen for short-distance wireless communication; and sending the pairing information of the active pen to the touch screen according to the second request so as to establish short-distance wireless communication connection with equipment where the touch screen is located.
According to a second aspect of the embodiment of the present invention, there is also provided another short-range wireless communication connection method, including: the touch screen receives a connection trigger signal sent by an active pen, wherein the connection trigger signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located; acquiring the identification information of the active pen through a first request according to the connection trigger signal; according to the identification information, determining that the near-field wireless communication connection is not established between the active pen and the equipment where the touch screen is located; sending a second request to the active pen to acquire pairing information of the short-range wireless communication of the active pen; and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is positioned according to the pairing information.
According to a third aspect of embodiments of the present invention, there is also provided an active pen comprising: the first wireless transceiver is used for sending a connection trigger signal to the touch screen, wherein the connection trigger signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located; the first wireless transceiver is further configured to receive a first request sent by the touch screen according to the trigger signal and send the first request to a first close-range wireless communication unit for processing, where the first request is used to request identification information of the active pen; the first wireless transceiver is further configured to obtain, according to the first request, identification information of the active pen from the first short-range wireless communication unit, and send the identification information of the active pen to the touch screen; the first wireless transceiver is further configured to receive a second request fed back by the touch screen according to the identification information and send the second request to the first close range wireless communication unit for processing, where the second request is used to request pairing information of the active pen for close range wireless communication; the first wireless transceiver is further configured to obtain, according to the second request, the pairing information of the active pen from the first short-range wireless communication unit, and send the pairing information of the active pen to the touch screen, so that the first short-range wireless communication unit and the device where the touch screen is located establish short-range wireless communication connection.
According to a fourth aspect of an embodiment of the present invention, there is also provided a touch screen including: the second wireless transceiver is used for receiving a connection trigger signal sent by the active pen, wherein the connection trigger signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located; the touch screen is also used for acquiring the identification information of the active pen through a first request according to the connection trigger signal and sending the identification information to a processor of equipment where the touch screen is positioned; after the processor determines that the close-range wireless communication connection is not established between the active pen and the equipment where the touch screen is located according to the identification information, the second wireless transceiver sends a second request to the active pen so as to acquire pairing information of close-range wireless communication of the active pen, the pairing information is sent to a second close-range wireless communication unit of the equipment where the touch screen is located through the processor, and the second close-range wireless communication unit establishes the close-range wireless communication connection between the active pen and the equipment where the touch screen is located.
According to a fifth aspect of the embodiment of the present invention, there is also provided a short-range wireless communication connection system, including: the electronic device and the active pen of the third aspect, wherein the electronic device comprises a processor, a second short-range wireless communication unit, and a touch screen as described in the fourth aspect; the processor is used for acquiring the identification information of the active pen from the touch screen, sending a request message to the touch screen when the electronic equipment and the active pen are determined not to establish the short-range wireless communication connection according to the identification information, and requesting the pairing information of the active pen for short-range wireless communication through the request message; the processor is further configured to obtain a response message of the active pen to the request message from the touch screen, obtain the pairing information of the active pen from the response message, and establish a close-range wireless communication connection between the electronic device and the active pen through the second close-range wireless communication unit according to the pairing information.
According to the short-range wireless communication connection scheme provided by the embodiment of the invention, the active pen sends a connection trigger signal when approaching or contacting the touch screen so as to trigger and establish the short-range wireless communication connection between the active pen and the equipment where the touch screen is located, wherein the active pen, the touch screen and the equipment where the touch screen are located all have the short-range wireless communication function; then, the active pen sends identification information of the active pen to the touch screen according to a request (namely a first request) of the touch screen; and further, receiving a second request returned by the touch screen according to the identification information, and sending pairing information of the active pen for short-distance wireless communication to the touch screen according to the second request by the active pen so as to establish short-distance wireless communication connection between the active pen and equipment where the touch screen is located according to the pairing information.
On one hand, when the scheme provided by the embodiment of the invention performs primary connection operation between devices, automatic interaction between the active pen and the touch screen can be realized according to the connection trigger signal of the active pen, so that the touch screen and the device where the touch screen is positioned acquire pairing information for establishing short-distance wireless communication connection, and primary pairing connection between the devices is realized, and the process does not need user participation, so that user operation is simplified, and the operation burden of a user is lightened; on the other hand, the touch screen and the equipment thereof can directly obtain pairing information from one side of the active pen, and further the pairing connection between the equipment of the touch screen and the active pen is carried out according to the pairing information, equipment needing to be connected is not required to be determined from a plurality of equipment, connection errors in the process of equipment renaming can be effectively avoided, and the pairing connection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a flowchart illustrating steps of a method for connecting a short-range wireless communication according to a first embodiment of the present invention;
fig. 2 is a flowchart illustrating steps of a method for connecting a short-range wireless communication according to a second embodiment of the present invention;
fig. 3 is a timing chart of a short-range wireless communication connection method according to a third embodiment of the present invention;
FIG. 4 is a block diagram of an active pen according to a fourth embodiment of the present invention;
FIG. 5 is a schematic diagram showing a structure of a touch screen and its relationship with other structures in a device according to a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a short-range wireless communication connection system according to a sixth embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the embodiments of the present disclosure.
Example 1
Referring to fig. 1, a flowchart of steps of a short-range wireless communication connection method according to a first embodiment of the present invention is shown.
The embodiment describes the short-range wireless communication connection method provided by the invention from the side of the active pen. The short-range wireless communication connection method of the present embodiment includes the steps of:
step S102: the active pen sends a connection trigger signal to the touch screen.
The connection triggering signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located. In the embodiment of the invention, the active pen and the touch screen both have a short-range wireless communication function, and the function can be realized by any appropriate mode according to actual requirements by a person skilled in the art.
In practice, the connection trigger signal may be any suitable trigger signal suitable for the active pen, including but not limited to: pulse signal, set character, set number, set shape. For example, when the active pen is at a certain distance from the touch screen or touches the touch screen, a code printing signal (a pulse signal for sending information) is emitted, and the active pen can use the signal to realize connection triggering, so as to trigger the active pen and the touch screen to perform the pairing connection process of the embodiment; or after the shape of the set character is written by the active pen on the touch screen, triggering the active pen and the touch screen to carry out the pairing connection process of the embodiment; or after the active pen writes out the setting data on the touch screen, triggering the active pen and the touch screen to carry out the pairing connection process of the embodiment; or after the active pen draws the set shape on the touch screen, triggering the active pen and the touch screen to perform the pairing connection process of the embodiment. Wherein, the setting characters, the setting data and the setting shape can be set by those skilled in the art according to the actual requirements, and the embodiment of the invention is not limited thereto. Wherein the set characters include, but are not limited to: setting Chinese characters and foreign language characters; the set shapes include, but are not limited to: circular, rectangular, triangular, irregular, rectilinear, regular or irregular curved, etc. The performance of the driving pen is utilized to the greatest extent in a pulse mode, the implementation cost is reduced, and the implementation flow is simplified; by setting characters, numbers or shapes, the method is convenient for the user to trigger and operate, and the user can control the connection triggering time, so that the user experience is improved.
In an alternative mode, the active pen can send the connection trigger signal to the touch screen through the pen point, the pen point is a part of the active pen, and the connection trigger signal is sent to the touch screen through the pen point, so that the structure of the active pen is effectively utilized, the scheme realization cost is saved, and the utilization efficiency of the active pen is improved. However, in practical application, those skilled in the art may use other parts of the structure or function module of the active pen to implement the transmission of the connection trigger signal according to the actual needs.
In this embodiment, the short-range wireless communication connection includes, but is not limited to: bluetooth connection, NFC connection, hotknot connection, etc.
Step S104: and the active pen receives a first request sent by the touch screen according to the trigger signal.
Wherein the first request is for requesting identification information of the active pen.
After receiving a connection trigger signal that the active pen requires to establish the short-range wireless communication connection, the touch screen sends a first request to the active pen to request to obtain the identification information of the active pen so as to provide preparation for the subsequent establishment of the short-range wireless communication connection.
Step S106: and the active pen sends identification information of the active pen to the touch screen according to the first request and receives a second request fed back by the touch screen according to the identification information.
Wherein the second request is for requesting pairing information of the active pen for short-range wireless communication.
The identification information of the active pen may be any appropriate information, and may be used to uniquely identify the active pen. After receiving the identification information of the active pen, the touch screen can judge whether the short-distance wireless communication connection is established with the active pen according to the identification information. If not, a second request is sent to the active pen. When the devices are connected for the first time, the touch screen can request pairing information for short-distance wireless communication from the active pen so as to realize pairing and subsequent communication connection between the devices.
In one possible way, this step may be implemented as: the method comprises the steps that an active pen sends identification information of the active pen to a touch screen according to a first request, the identification information is sent to a service process of equipment where the touch screen is located through the touch screen, and whether the active pen and the equipment where the touch screen are located are connected in a short-distance wireless communication mode or not is determined by the service process according to the identification information; and further, receiving a second request fed back by the touch screen, wherein the second request is generated when the service process feeds back that the short-distance wireless communication connection is not established between the active pen and the equipment where the touch screen is located.
Most of the current touch screens are limited by the hardware performance, and the operation of judging whether the device where the active pen and the touch screen are in close-range wireless communication connection can be handed to the service process of the device where the touch screen is located, so that the operation burden of the touch screen is not increased, and the operation can be rapidly and accurately judged through the service process of the device where the touch screen is located. But is not limited thereto, if the touch screen itself performance is sufficient to support the determination, the determination may be performed by the touch screen itself, e.g., by a touch screen driver of the touch screen, etc.
Optionally, the active pen can send the identification information of the active pen to the touch screen through the pen point, so that the structure of the active pen is effectively utilized, the scheme realization efficiency is improved, and the realization cost is saved.
Step S108: and the active pen sends pairing information of the active pen for short-distance wireless communication to the touch screen according to the second request so as to establish short-distance wireless communication connection with equipment where the touch screen is located.
The active pen sends pairing information to the touch screen, and the touch screen performs subsequent operation according to the pairing information so as to realize short-distance wireless communication connection between the active pen and equipment where the touch screen is located.
In one possible way, the active pen sends the pairing information to the touch screen according to a second request; and receiving connection information generated according to the pairing information from the touch screen, pairing the device with the touch screen according to the connection information, and establishing short-distance wireless communication connection with the device with the touch screen after successful pairing. Optionally, the connection information may carry pairing information for short-range wireless communication of the device where the touch screen is located.
Optionally, the active pen can send pairing information of the active pen to the touch screen through the pen point, so that the structure of the active pen is effectively utilized, the scheme realization efficiency is improved, and the realization cost is saved.
In addition, a corresponding mode, such as a connection mode, a working mode and the like, can be set for the active pen in advance. When the active pen is in a connection mode, interacting with the touch screen and sending related information for establishing short-distance wireless communication connection to the touch screen; when the active pen is in the working mode, a corresponding signal, such as a high-voltage driving signal, can be mainly sent to the touch screen, so that the function of the active pen as a pen, such as writing, clicking and other functions, can be realized.
In this case, the active pen switches to the connected mode and sends the pairing information of the active pen to the touch screen according to the second request. And after the active pen sends the pairing information of the active pen to the touch screen according to the second request so as to establish short-distance wireless communication connection with equipment where the touch screen is located, the active pen is switched to a working mode and interacts with the touch screen through a high-voltage driving signal. Through setting up connected mode and working mode, can effectively distinguish the operation of initiative pen, the signal that the touch-sensitive screen easily discerned initiative pen sent of also being convenient for.
In addition, it should be noted that the touch screen is provided with a touch screen driver, and operations related to the touch screen in the above process can be realized through the touch screen driver, that is, the active pen interacts with the touch screen driver of the touch screen to realize corresponding short-distance wireless communication connection. The touch screen driver can be a functional module fired in the touch screen chip or can be a functional module independent of the touch screen chip.
According to the scheme provided by the embodiment, the active pen sends a connection trigger signal when approaching or touching the touch screen so as to trigger and establish the short-distance wireless communication connection between the active pen and the equipment where the touch screen is located, wherein the active pen, the touch screen and the equipment where the touch screen are located all have the short-distance wireless communication function; then, the active pen sends identification information of the active pen to the touch screen according to a request (namely a first request) of the touch screen; and further, receiving a second request returned by the touch screen according to the identification information, and sending pairing information of the active pen for short-distance wireless communication to the touch screen according to the second request by the active pen so as to establish short-distance wireless communication connection between the active pen and equipment where the touch screen is located according to the pairing information.
On one hand, when the first connection operation is performed between the devices, the scheme provided by the embodiment can realize automatic interaction between the active pen and the touch screen according to the connection trigger signal of the active pen, so that the touch screen and the device where the touch screen is positioned acquire pairing information for establishing short-distance wireless communication connection, and the first pairing connection between the devices is realized, and the process does not need user participation, so that the user operation is simplified, and the operation burden of the user is lightened; on the other hand, the touch screen and the equipment thereof can directly obtain pairing information from one side of the active pen, and further the pairing connection between the equipment of the touch screen and the active pen is carried out according to the pairing information, equipment needing to be connected is not required to be determined from a plurality of equipment, connection errors in the process of equipment renaming can be effectively avoided, and the pairing connection efficiency is improved.
Example two
Referring to fig. 2, a flowchart of steps of a short-range wireless communication connection method according to a second embodiment of the present invention is shown.
The embodiment describes a short-range wireless communication connection method provided by the invention from the side of a touch screen. The short-range wireless communication connection method of the present embodiment includes the steps of:
step S202: and the touch screen receives a connection trigger signal sent by the active pen.
The connection triggering signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located. In this embodiment, the short-range wireless communication connection includes, but is not limited to: bluetooth connection, NFC connection, hotknot connection, etc.
As described in embodiment one, the connection trigger signal may be any suitable signal, including but not limited to: pulse signal, set character, set number, set shape.
Optionally, the active pen can send the connection trigger signal to the touch screen through the nib, that is, the touch screen receives the connection trigger signal sent by the active pen through the nib, so that the structure of the active pen is effectively utilized, the scheme implementation efficiency is improved, and the implementation cost is saved.
Step S204: and the touch screen acquires the identification information of the active pen through the first request according to the connection trigger signal.
After receiving a connection trigger signal sent by an active pen, the touch screen sends a first request to the active pen, wherein the first request is used for requesting to obtain identification information of the active pen. After the active pen receives the first request, the identification information of the active pen is sent to the touch screen.
The identification information of the active pen can be any appropriate identification information, and the active pen can be uniquely identified so as to be convenient for identification.
Step S206: and the touch screen determines that the device where the active pen and the touch screen are positioned does not establish the short-distance wireless communication connection according to the identification information.
In a feasible manner, the touch screen can send the identification information to a service process of the equipment where the touch screen is located and receive feedback information of the service process, wherein the feedback information is used for indicating whether the active pen and the equipment where the touch screen is located are in close-range wireless communication connection or not; and according to the feedback information, determining that the near-distance wireless communication connection is not established between the active pen and the equipment where the touch screen is positioned.
Most of the current touch screens are limited by the hardware performance, and the operation of judging whether the device where the active pen and the touch screen are in close-range wireless communication connection can be handed to the service process of the device where the touch screen is located, so that the operation burden of the touch screen is not increased, and the operation can be rapidly and accurately judged through the service process of the device where the touch screen is located. But is not limited thereto, if the touch screen itself performance is sufficient to support the determination, the determination may be performed by the touch screen itself, e.g., by a touch screen driver of the touch screen, etc.
Step S208: the touch screen sends a second request to the active pen to acquire pairing information of the short-range wireless communication of the active pen.
When the fact that the device where the touch screen is located does not establish the short-distance wireless communication connection with the active pen is determined, namely, the connection is the first connection, the touch screen can send a second request to the active pen, wherein the second request is used for requesting to obtain pairing information of the active pen, and the pairing information is used for short-distance wireless communication. And after receiving the second request, the active pen sends response information to the touch screen, and the pairing information is carried in the response information and is sent to the touch screen.
Step S210: and the touch screen establishes short-distance wireless communication connection between the active pen and equipment where the touch screen is positioned according to the pairing information.
After the pairing information of the active pen is acquired, the touch screen can send the pairing information to equipment where the touch screen is located, and then the equipment where the touch screen is located and the active pen are started to establish short-distance wireless communication connection. In one implementation, the touch screen also sends pairing information of the device in which the touch screen is located to the active pen to connect with the active pen order.
In addition, it should be noted that the touch screen is provided with a touch screen driver, and the above processes can be implemented by the touch screen driver, that is, the touch screen driver of the touch screen interacts with the active pen and the service process to implement corresponding short-distance wireless communication connection. The touch screen driver can be a functional module fired in the touch screen chip or can be a functional module independent of the touch screen chip.
According to the scheme provided by the embodiment, after the touch screen receives the connection trigger signal sent by the active pen, the touch screen interacts with the active pen to acquire corresponding information in the active pen so as to establish short-distance wireless communication connection between equipment where the touch screen is positioned and the active pen. On one hand, when the first connection operation is performed between the devices, the scheme provided by the embodiment can realize automatic interaction between the active pen and the touch screen according to the connection trigger signal of the active pen, so that the touch screen and the device where the touch screen is positioned acquire pairing information for establishing short-distance wireless communication connection, and the first pairing connection between the devices is realized, and the process does not need user participation, so that the user operation is simplified, and the operation burden of the user is lightened; on the other hand, the touch screen can directly obtain pairing information from one side of the active pen, and further pairing connection between equipment where the touch screen is located and the active pen is carried out according to the pairing information, equipment needing to be connected is not required to be determined from a plurality of pieces of equipment, connection errors in equipment renaming can be effectively avoided, and pairing connection efficiency is improved.
Example III
Referring to fig. 3, a timing chart of a short-range wireless communication connection method according to a third embodiment of the present invention is shown.
The embodiment describes the short-distance wireless communication connection method provided by the invention in the form of a specific example from the interaction angle of the active pen, the touch screen and the equipment where the touch screen is located.
The short-range wireless communication connection method of the present embodiment includes the steps of:
step S302: the nib of the active pen approaches the touch screen, and a coding signal is sent to the touch screen driver.
In this embodiment, the bluetooth active pen is taken as an example, and the bluetooth active pen integrates a short-range wireless communication function, specifically, a bluetooth function in this embodiment, but the short-range wireless communication function is not limited thereto, and may be an NFC function, a Hotknot function, or other suitable short-range wireless communication functions.
In particular, in this embodiment, the bluetooth active pen is a single device, the pen tip of which can directly interact with other devices such as a touch screen of a notebook computer, and the bluetooth device at the tail end of which can be interconnected with bluetooth of the notebook computer to further realize information interaction. In this embodiment, the bluetooth active pen can also automatically connect the bluetooth device on the pen with the notebook computer, and the active pen is used as the information transmitting end and is responsible for transmitting the relevant information of the bluetooth device on the pen to the touch screen through the pen point.
A touch screen is a component of an electronic device such as a notebook computer that responds to touch events from a variety of mediums such as a hand, pen, etc., and provides coordinate information to an operating system. The touch screen in this embodiment is integrated with a short-range wireless communication function, specifically, a bluetooth function in this embodiment, but the short-range wireless communication function may also be an NFC function or a Hotknot function. In one connection, the short-distance wireless communication functions used by the active pen and the touch screen are the same, such as Bluetooth. In the scheme of the embodiment, the capability of the touch screen that information interaction can be performed with the active pen is effectively utilized, and the touch screen is used as an information receiving end for receiving identification information from the active pen, such as a device identification code, bluetooth information of the active pen and the like.
The pen tip code of the active pen is a near field wireless communication technology of transmitting codes through the pen tip, and in the embodiment, the active pen sends code signals to the touch screen through the technology.
But not limited to the manner of sending the coding signal, the short-range wireless communication connection scheme of the embodiment also supports customizing various gestures in the automatic connection process so as to enrich the operation experience of the user.
For example, the gesture connection mode is adopted to realize the short-distance wireless communication connection between the active pen and the touch screen. For example, when the active pen draws a designated simple graphic, such as drawing a letter "O", on the touch screen, the touch screen will notify the service process of the system service layer of the device where the touch screen is located, the active pen will perform pairing operation, and the service process will acquire the information of the bluetooth device that is currently connected and match with the bluetooth information of the current active pen, and if the information matches with the bluetooth information of the bluetooth device, the active pen is directly displayed on the desktop to be connected. If the matched information is not found, the service process informs the active pen of needing to enter a broadcasting mode through the touch screen, then the service process opens the Bluetooth searching function of the system, finds out the equipment conforming to the Bluetooth information of the active pen in the searched Bluetooth equipment, and then completes the pairing action with the equipment. If the pairing is not completed at the set time T1, a connection failure may be displayed on the desktop. In the whole process, only an active pen is needed to draw a letter O on the touch screen.
For another example, the gesture disconnection mode can also be used for realizing the disconnection of the short-distance wireless communication connection between the active pen and the touch screen. If, for example, a disconnection is desired, the active pen need only draw another designated simple graphic, such as the letter "C". After the touch screen recognizes the graph, a disconnection command is sent to a service process of system service of equipment where the touch screen is located, and the service process automatically disconnects and displays the graph on a desktop according to the acquired Bluetooth information.
In addition, in this embodiment, a touch screen driver of the touch screen is used, so that the touch screen driver is responsible for interaction with a service process of a device where the touch screen is located and a pen point, and sends a request to the pen point and receives various information transmitted by the pen point; and on the other hand, the Bluetooth information on the pen is transmitted to the service process by interacting with the service process.
Step S304: the touch screen driver receives a coding signal sent by the active pen, sends a request message to the active pen, and requests a pen identification code of the active pen.
When the active pen approaches the touch screen, the touch screen driver will learn the event and send a request message to the active pen to request the pen identification code.
Step S306: and after the active pen receives the request message sent by the touch screen driver, transmitting the pen identification code to the touch screen driver.
Step S308: after receiving the pen identification code, the touch screen driver judges whether the touch screen driver is connected with the active pen or not.
Step S310: and the touch screen driver informs a service process of the equipment where the touch screen is positioned under the condition that the touch screen driver is not connected with the active pen, and transmits the identification code to the service process.
The service process is resident on a device where the touch screen is located, such as a notebook computer, and can monitor various information uploaded by the touch screen driver and complete pairing or disconnection operations of bluetooth.
Step S312: the service process determines whether the relevant information of the active pen is stored according to the pen identification code, if yes, the stored bluetooth information is directly used for bluetooth connection, and if no, step S314 is executed.
Step S314: the service process sends a request to the touch screen driver to request bluetooth information of the active pen.
Step S316: the touch screen driver sends a request for bluetooth information to the active pen.
Step S318: after receiving the request, the active pen prepares bluetooth information and switches the pen tip to a connected mode.
Step S320: the active pen sends relevant Bluetooth information to the touch screen driver.
Step S322: the touch screen driver performs information verification on the acquired Bluetooth information, transmits the Bluetooth information to a service process after the verification is passed, and simultaneously sends a stop sign to the active pen.
For example, by checking and judging the data carried in the bluetooth information, whether the acquired bluetooth information is complete or not is checked.
Step S324: after the service process receives the Bluetooth information, the Bluetooth information is recorded, and Bluetooth equipment of equipment where the touch screen is located is opened so as to be connected with the active pen in a Bluetooth mode.
Step S326: the touch screen drive records the connection status.
Step S328: and the pairing operation of the active pen and the equipment where the touch screen is positioned is completed, and Bluetooth connection of the active pen and the equipment where the touch screen is positioned is established.
After the touch screen driver sends the stop flag to the active pen in step S322, the active pen receives the stop flag and switches the pen point back to the operation mode.
According to the embodiment, when the pen point of the active pen contacts the touch screen, the pen point and the touch screen both start the short-range wireless communication function, and when the pen point leaves the touch screen, the short-range wireless communication is closed. After the active pen is connected with the touch screen through the short-range wireless communication function, the active pen can send a unique identification code to the touch screen. If the identification code exists in the service process, the active pen is indicated to be connected with the touch screen, at the moment, the basic information of the Bluetooth equipment of the active pen can be found in the service process through the identification code, and then connection and pairing operations are carried out; if the identification code does not exist in the service process, the touch screen requests basic information of the Bluetooth device from the active pen, and after the active pen receives the request, the active pen sends the Bluetooth information to the touch screen and finally transmits the Bluetooth information to the service process for completing Bluetooth connection operation.
Therefore, through the embodiment, the pairing operation flow of the Bluetooth active pen and the computer can be greatly simplified, the user is not required to be involved, the opening, scanning, selecting and pairing operation of the Bluetooth equipment can be automatically completed, and a simple, quick and accurate equipment connection solution is provided for the user.
Example IV
Referring to fig. 4, a block diagram of an active pen in accordance with the present invention is shown.
The active pen of the present embodiment includes a first wireless transceiver 402 and a first short-range wireless communication unit 404. Wherein: a first wireless transceiver 402, configured to send a connection trigger signal to a touch screen, where the connection trigger signal is configured to trigger establishment of a short-range wireless communication connection between the active pen and a device on which the touch screen is located; the first wireless transceiver 402 is further configured to receive a first request sent by the touch screen according to the trigger signal and send the first request to the first close range wireless communication unit 404 for processing, where the first request is used to request identification information of the active pen; the first wireless transceiver 402 is further configured to obtain, according to the first request, identification information of an active pen from the first short-range wireless communication unit 404, and send the identification information of the active pen to the touch screen; the first wireless transceiver 402 is further configured to receive a second request fed back by the touch screen according to the identification information, and send the second request to the first close range wireless communication unit 404 for processing, where the second request is used to request pairing information of the active pen for close range wireless communication; the first wireless transceiver 402 is further configured to obtain pairing information of the active pen from the first short-range wireless communication unit 404 according to the second request, and send the pairing information of the active pen to the touch screen, so that the first short-range wireless communication unit 404 and the device where the touch screen is located establish a short-range wireless communication connection.
Optionally, the first wireless transceiver 402 is further configured to receive connection information generated according to the pairing information from the touch screen and send the connection information to the first short-range wireless communication unit 404, where the first short-range wireless communication unit 404 pairs with a device where the touch screen is located according to the connection information, and establishes a short-range wireless communication connection with the device where the touch screen is located after the pairing is successful.
Optionally, the first wireless transceiver 402 sends a connection trigger signal to the touch screen through the tip of the active pen; transmitting identification information of the active pen to the touch screen through the pen point; and sending the pairing information to the touch screen through the pen point.
Optionally, the connection trigger signal is: pulse signal, set character, set number, set shape.
Optionally, after the first wireless transceiver 402 sends the identification information of the active pen to the touch screen, the touch screen sends the identification information to a service process of a device where the touch screen is located, so that the service process determines whether the active pen and the device where the touch screen is located have established a short-distance wireless communication connection according to the identification information; and the second request is generated when the service process feeds back that the close range wireless communication connection is not established between the active pen and the equipment where the touch screen is located.
Optionally, the first close range wireless communication unit 404 is further configured to switch the active pen to a connection mode according to the second request, and the first wireless transceiver 402 sends the pairing information of the active pen to the touch screen according to the second request.
Optionally, the active pen of the present embodiment further includes a processor 406, configured to interact with the touch screen through a high-voltage driving signal after the active pen establishes a short-distance wireless communication connection with a device where the touch screen is located, and the active pen is switched to the working mode.
The active pen of the present embodiment is used to implement the near field communication connection method on the side of the corresponding active pen in the foregoing multiple method embodiments, and has the beneficial effects of the corresponding method embodiments, which are not described herein.
Example five
Referring to fig. 5, a schematic diagram of a touch screen structure and its relationship with other structures in a device according to a fifth embodiment of the present invention is shown.
The touch screen of the present embodiment includes: the second wireless transceiver 502 is configured to receive a connection trigger signal sent by the active pen, where the connection trigger signal is used to trigger establishment of a short-range wireless communication connection between the active pen and a device where the touch screen is located; the touch screen is also used for acquiring the identification information of the active pen through a first request according to the connection trigger signal and sending the identification information to a processor of equipment where the touch screen is positioned; after the processor determines that the proximity wireless communication connection is not established between the active pen and the device where the touch screen is located according to the identification information, the second wireless transceiver 502 sends a second request to the active pen to obtain pairing information of the proximity wireless communication of the active pen, and sends the pairing information to a second proximity wireless communication unit of the device where the touch screen is located through the processor, and the second proximity wireless communication unit establishes the proximity wireless communication connection between the active pen and the device where the touch screen is located.
Optionally, the second wireless transceiver 502 sends the identification information to a service process of a processor of the device where the touch screen is located, and receives feedback information sent by the service process; and indicating whether the close range wireless communication connection is established between the active pen and the equipment where the touch screen is located according to the feedback information.
Optionally, the connection trigger signal is: pulse signal, set character, set number, set shape.
Optionally, the second wireless transceiver 502 receives a connection trigger signal sent by the active pen through the pen tip.
In one possible approach, the second wireless transceiver 502 may be used in conjunction with a touch screen driver by which the second wireless transceiver 502 is driven to perform the functions described above.
The touch screen of the present embodiment is used to implement the near field wireless communication connection method on one side of the corresponding touch screen in the foregoing multiple method embodiments, and has the beneficial effects of the corresponding method embodiments, which are not described herein again.
Example six
Referring to fig. 6, a schematic diagram of a short-range wireless communication connection system according to a sixth embodiment of the present invention is shown.
The short-range wireless communication connection system of the present embodiment includes: an electronic device 602 and an active pen 604, wherein the electronic device 602 comprises a processor 6022, a touch screen 6024 and a second near field wireless communication unit 6026.
Wherein the active pen 604 may be an active pen as described in embodiment four, and the touch screen 6024 may be a touch screen as described in embodiment five.
A processor 6022 of the electronic device 602, configured to obtain identification information of the active pen 604 from the touch screen 6024, and send a request message to the touch screen 6024 when it is determined that the electronic device 602 and the active pen 604 do not establish a short-range wireless communication connection according to the identification information, and request pairing information of the active pen 604 for short-range wireless communication through the request message; the processor 6022 is further configured to obtain a response message of the active pen 604 to the request message from the touch screen 6024, obtain the pairing information of the active pen 604 from the response message, and establish a short-range wireless communication connection between the electronic device 602 and the active pen 604 through the second short-range wireless communication unit 6026 according to the pairing information.
For example, the active pen 604 controls structures in the active pen 604 through its processor, wherein the first wireless transceiver is controlled to send a connection trigger signal to the touch screen 6024, wherein the connection trigger signal is used to trigger establishment of a close range wireless communication connection between the active pen 604 and the electronic device 602; the touch screen 6024 receives a connection trigger signal sent by the active pen 604 through the second wireless transceiver, and requests to acquire the identification information of the active pen 604 through a first request according to the connection trigger signal; the active pen 604 receives a first request sent by the touch screen 6024 through the second wireless transceiver according to the trigger signal through the first wireless transceiver, acquires the identification information of the active pen 604 from the first short-range wireless communication unit according to the first request, and sends the identification information of the active pen 604 to the touch screen 6024; the touch screen 6024 acquires the identification information of the active pen 604 through the second wireless transceiver, and sends the identification information to the processor 6022, so that the processor 6022 determines that the active pen 604 and the electronic device 602 do not establish a short-range wireless communication connection according to the identification information; the processor 6022 sends a request for acquiring pairing information of the active pen 604 to the touch screen 6024; the touch screen 6024 transmits a second request to the active pen 604 through a second wireless transceiver according to the request to acquire pairing information of the close range wireless communication of the active pen 604; the active pen 604 receives a second request fed back by the touch screen 6024 according to the identification information through the first wireless transceiver, acquires pairing information of the active pen 604 from the first short-range wireless communication unit, and sends the pairing information of the active pen 604 to the touch screen 6024; the touch screen 6024 receives the pairing information through the second wireless transceiver and transmits the pairing information to the processor 6022, and the processor 6022 establishes the close-range wireless communication connection between the active pen 604 and the electronic device 602 through the second close-range wireless communication unit 6026.
Therefore, through the short-range wireless communication connection system of the embodiment, the first short-range wireless communication connection between the active pen and the electronic equipment without participation of a user can be realized, the user operation is simplified, and the operation burden of the user is reduced; and because the information interaction is more targeted, the connection error in the process of device renaming can be effectively avoided, and the pairing connection efficiency is improved.
The apparatus embodiments described above are merely illustrative, wherein the modules illustrated as separate components may or may not be physically separate, and the components shown as modules may or may not be physical, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on such understanding, the foregoing technical solutions may be embodied essentially or in part in the form of a software product that may be stored in a computer-readable storage medium including any mechanism for storing or transmitting information in a form readable by a computer (e.g., a computer). For example, a machine-readable medium includes read-only memory (ROM), random-access memory (RAM), magnetic disk storage media, optical storage media, flash-memory media, electrical, optical, acoustical or other form of propagated signals (e.g., carrier waves, infrared signals, digital signals, etc.), and the computer software product includes instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform the various embodiments or portions of the methods described herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (19)
1. A short-range wireless communication connection method, comprising:
the method comprises the steps that an active pen sends a connection trigger signal to a touch screen, wherein the connection trigger signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located;
receiving a first request sent by the touch screen according to the trigger signal, wherein the first request is used for requesting the identification information of the active pen;
sending identification information of the active pen to the touch screen according to the first request, and receiving a second request fed back by the touch screen according to the identification information, wherein the second request is used for requesting pairing information of the active pen for short-distance wireless communication;
The active pen is switched to a connection mode, and the pairing information of the active pen is sent to the touch screen according to the second request so as to establish short-distance wireless communication connection with equipment where the touch screen is located;
and the active pen is switched to a working mode and interacts with the touch screen through a high-voltage driving signal.
2. The method of claim 1, wherein the sending the pairing information of the active pen to the touch screen according to the second request to establish a short-range wireless communication connection with a device where the touch screen is located comprises:
sending the pairing information to the touch screen according to the second request;
and receiving connection information generated according to the pairing information from the touch screen, pairing the touch screen with equipment in which the touch screen is positioned according to the connection information, and establishing short-distance wireless communication connection with the equipment in which the touch screen is positioned after successful pairing.
3. The method of claim 1, wherein,
the sending a connection trigger signal to the touch screen includes: transmitting a connection trigger signal to the touch screen through the nib of the active pen;
the sending the identification information of the active pen to the touch screen includes: transmitting identification information of the active pen to the touch screen through the pen point;
The sending the pairing information to the touch screen includes: and sending the pairing information to the touch screen through the pen point.
4. A method according to any of claims 1-3, wherein the connection trigger signal is: pulse signal, set character, set number, set shape.
5. The method of any one of claims 1-3, wherein the sending identification information of the active pen to the touch screen according to the first request, and receiving a second request fed back by the touch screen according to the identification information, comprises:
sending identification information of the active pen to the touch screen according to the first request, and sending the identification information to a service process of equipment where the touch screen is located through the touch screen, so that the service process determines whether the active pen and the equipment where the touch screen is located are connected through close range wireless communication according to the identification information;
and receiving the second request fed back by the touch screen, wherein the second request is generated when the service process feeds back that the close-range wireless communication connection is not established between the active pen and the equipment where the touch screen is located.
6. A short-range wireless communication connection method, comprising:
the touch screen receives a connection trigger signal sent by an active pen, wherein the connection trigger signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located;
acquiring the identification information of the active pen through a first request according to the connection trigger signal;
according to the identification information, determining that the near-field wireless communication connection is not established between the active pen and the equipment where the touch screen is located;
sending a second request to the active pen to acquire pairing information of the short-range wireless communication of the active pen switched to a connection mode;
according to the pairing information, establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located;
and interacting with the active pen switched to the working mode through a high-voltage driving signal.
7. The method of claim 6, wherein the determining, according to the identification information, that the proximity wireless communication connection is not established between the active pen and the device where the touch screen is located comprises:
the identification information is sent to a service process of equipment where the touch screen is located, and feedback information of the service process is received, wherein the feedback information is used for indicating whether the active pen and the equipment where the touch screen is located are in close range wireless communication connection or not;
And according to the feedback information, determining that the near-field wireless communication connection is not established between the active pen and the equipment where the touch screen is positioned.
8. The method of claim 6 or 7, wherein the connection trigger signal is: pulse signal, set character, set number, set shape.
9. The method of claim 6 or 7, wherein the touch screen receives a connection trigger signal sent by an active pen, comprising:
the touch screen receives a connection trigger signal sent by the active pen through the pen point.
10. An active pen, comprising:
the first wireless transceiver is used for sending a connection trigger signal to the touch screen, wherein the connection trigger signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located;
the first wireless transceiver is further configured to receive a first request sent by the touch screen according to the connection trigger signal and send the first request to a first short-range wireless communication unit, where the first request is used to request identification information of the active pen;
the first wireless transceiver is further configured to obtain, according to the first request, identification information of the active pen from the first short-range wireless communication unit, and send the identification information of the active pen to the touch screen;
The first wireless transceiver is further configured to receive a second request fed back by the touch screen according to the identification information and send the second request to the first close range wireless communication unit, where the second request is used to request pairing information of the active pen, where the pairing information is used for close range wireless communication;
the first close-range wireless communication unit is further used for switching the active pen to a connection mode according to the second request, and the first wireless transceiver is further used for acquiring the pairing information of the active pen from the first close-range wireless communication unit according to the second request and sending the pairing information of the active pen to the touch screen so as to enable the first close-range wireless communication unit to establish close-range wireless communication connection with equipment where the touch screen is located;
and the processor is used for establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located, and interacting with the touch screen through a high-voltage driving signal after the active pen is switched to a working mode.
11. The active pen of claim 10, wherein the first wireless transceiver is further configured to receive connection information generated according to the pairing information from the touch screen and send the connection information to the first short-range wireless communication unit, and the first short-range wireless communication unit performs pairing with a device where the touch screen is located according to the connection information, and establishes a short-range wireless communication connection with the device where the touch screen is located after the pairing is successful.
12. The active pen of claim 10, wherein,
the first wireless transceiver sends a connection trigger signal to the touch screen through the nib of the active pen; transmitting identification information of the active pen to the touch screen through the pen point; and sending the pairing information to the touch screen through the pen point.
13. The active pen of any one of claims 10-12, wherein the connection trigger signal is: pulse signal, set character, set number, set shape.
14. The active pen of any one of claims 10-12, wherein,
after the first wireless transceiver sends the identification information of the active pen to the touch screen, the touch screen sends the identification information to a service process of equipment where the touch screen is located, so that whether the active pen and the equipment where the touch screen are located are in close-range wireless communication connection or not is determined by the service process according to the identification information;
and the second request is generated when the service process feeds back that the close range wireless communication connection is not established between the active pen and the equipment where the touch screen is located.
15. A touch screen, comprising:
The second wireless transceiver is used for receiving a connection trigger signal sent by the active pen, wherein the connection trigger signal is used for triggering and establishing short-distance wireless communication connection between the active pen and equipment where the touch screen is located; the touch screen is also used for acquiring the identification information of the active pen through a first request according to the connection trigger signal and sending the identification information to a processor of equipment where the touch screen is positioned;
after the processor determines that the close-range wireless communication connection is not established between the active pen and the equipment where the touch screen is located according to the identification information, the second wireless transceiver sends a second request to the active pen so as to acquire pairing information of the close-range wireless communication of the active pen switched to a connection mode, the pairing information is sent to a second close-range wireless communication unit of the equipment where the touch screen is located through the processor, and the second close-range wireless communication unit establishes the close-range wireless communication connection between the active pen and the equipment where the touch screen is located;
the processor is also used for interacting with the active pen switched to the working mode through a high-voltage driving signal.
16. The touch screen of claim 15, wherein the second wireless transceiver sends the identification information to a service process of a processor of a device in which the touch screen is located, and receives feedback information sent by the service process; and indicating whether the close range wireless communication connection is established between the active pen and the equipment where the touch screen is located according to the feedback information.
17. The touch screen of claim 15 or 16, wherein the connection trigger signal is: pulse signal, set character, set number, set shape.
18. The touch screen of any one of claims 15 or 16, wherein the second wireless transceiver receives a connection trigger signal sent by the active pen through the pen tip.
19. A short-range wireless communication connection system, comprising: an electronic device and an active pen as claimed in any one of claims 10 to 14, wherein the electronic device comprises a processor, a second short range wireless communication unit and a touch screen as claimed in any one of claims 15 to 18;
the processor is used for acquiring the identification information of the active pen from the touch screen, sending a request message to the touch screen when the electronic equipment and the active pen are determined not to establish the short-range wireless communication connection according to the identification information, and requesting the pairing information of the active pen for short-range wireless communication through the request message;
The processor is further configured to obtain a response message of the active pen to the request message from the touch screen, obtain the pairing information of the active pen from the response message, and establish a close-range wireless communication connection between the electronic device and the active pen through the second close-range wireless communication unit according to the pairing information.
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PCT/CN2018/098571 WO2020024273A1 (en) | 2018-08-03 | 2018-08-03 | Short-distance wireless communication connection method and system, active pen, and touch screen |
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CN113115294B (en) * | 2021-04-22 | 2022-05-03 | 荣耀终端有限公司 | Stylus pen connection method and Bluetooth system |
CN115604663A (en) * | 2021-07-08 | 2023-01-13 | Oppo广东移动通信有限公司(Cn) | Signal transmission method, information prompting method and device, and electronic equipment |
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