CN110471550B - Terminal equipment, touch device and implementation method thereof - Google Patents
Terminal equipment, touch device and implementation method thereof Download PDFInfo
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- CN110471550B CN110471550B CN201810437144.1A CN201810437144A CN110471550B CN 110471550 B CN110471550 B CN 110471550B CN 201810437144 A CN201810437144 A CN 201810437144A CN 110471550 B CN110471550 B CN 110471550B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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Abstract
The invention is applicable to the field of touch equipment, and provides terminal equipment, a touch device and an implementation method thereof. According to the invention, by adopting the terminal equipment comprising the touch device consisting of the fingerprint acquisition module and the touch control panel control module, the touch control panel control module can execute the fingerprint identification function and the touch function at the same time, and different function information is sent to the terminal equipment through corresponding interfaces when different functions are executed, so that the terminal equipment can perform corresponding processing, and further fingerprint identification and touch can be performed by adopting one control module, thereby reducing the circuit design difficulty and cost of the terminal equipment with the fingerprint identification function and the touch function.
Description
Technical Field
The invention belongs to the technical field of touch equipment, and particularly relates to terminal equipment, a touch device and an implementation method thereof.
Background
In recent years, with the rapid development of electronic technology, fingerprint identification technology has entered various fields in people's lives, such as personal computers, notebook computers and other personal terminal devices.
At present, the fingerprint identification module of traditional notebook computer all sets up in the upper left corner or the upper right corner of its touch-control board, and the user presses the fingerprint module to compare and can carry out fingerprint identification when starting to wait to system interface of logging on land to traditional notebook computer's fingerprint identification system and touch panel system are two totally irrelevant systems on the circuit.
However, although the existing notebook computer integrates the fingerprint recognition function and the touch function, the fingerprint recognition system and the touch panel system are two completely unrelated systems on the circuit, and each system needs a single chip or a Micro Controller Unit (MCU), so that not only the design difficulty of the circuit is increased by the overlapped part of the two circuits, but also the cost is increased.
Therefore, it is necessary to provide a technical solution to solve the above technical problems.
Disclosure of Invention
In view of this, embodiments of the present invention provide a terminal device, a touch apparatus and an implementation method thereof, which integrate a touch function and a fingerprint recognition function of the terminal device into one control module, so as to reduce the design difficulty and cost of a circuit.
A first aspect of an embodiment of the present invention provides a touch device, which is disposed on a terminal device, and includes:
the fingerprint acquisition module is used for sending notification information to the touch control panel control module when sensing finger touch, and acquiring a fingerprint image of a user when receiving a fingerprint acquisition instruction fed back by the touch control panel control module;
the touch control panel control module is connected with the fingerprint acquisition module, is provided with a first interface and a second interface, and is used for confirming the state of the terminal equipment when receiving the notification message and feeding back the fingerprint acquisition instruction to the fingerprint acquisition module when the terminal equipment is in a fingerprint identification state; the touch control panel control module is also used for reading the fingerprint image acquired by the fingerprint acquisition module and sending the read fingerprint image to the terminal equipment through the first interface so that the terminal equipment can identify the identity of the user according to the fingerprint image;
the touch control panel control module is further used for acquiring first finger touch information when a user touches the touch device, and sending the first finger touch information to the terminal equipment through the second interface, so that the terminal equipment can perform corresponding operation according to the first finger touch information.
A second aspect of the embodiments of the present invention provides a terminal device, where the terminal device includes the touch apparatus described above.
A third aspect of the embodiments of the present invention provides a method for implementing a touch device, where the touch device is disposed on a terminal device, the touch device includes a fingerprint acquisition module and a touch pad control module, and the touch pad control module has a first interface and a second interface, and the method includes:
when the fingerprint acquisition module senses the touch of a finger, notification information is sent to the touch control panel control module;
the touch control panel control module confirms the state of the terminal equipment when receiving the notification message, and feeds back a fingerprint acquisition instruction to the fingerprint acquisition module when the terminal equipment is in a fingerprint identification state;
the fingerprint acquisition module acquires a fingerprint image of a user when receiving a fingerprint acquisition instruction fed back by the touch control panel control module;
the touch control panel control module reads the fingerprint image acquired by the fingerprint acquisition module and sends the read fingerprint image to the terminal equipment through the first interface, so that the terminal equipment can identify the identity of the user according to the fingerprint image;
when a user touches the touch device, the touch pad control module acquires first finger touch information and sends the first finger touch information to the terminal equipment through the second interface, so that the terminal equipment can perform corresponding operation according to the first finger touch information.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: according to the invention, by adopting the terminal equipment comprising the touch device consisting of the fingerprint acquisition module and the touch control panel control module, the touch control panel control module can execute the fingerprint identification function and the touch function at the same time, and different function information is sent to the terminal equipment through corresponding interfaces when different functions are executed, so that the terminal equipment can perform corresponding processing, and further fingerprint identification and touch can be performed by adopting one control module, thereby reducing the circuit design difficulty and cost of the terminal equipment with the fingerprint identification function and the touch function.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic block diagram of a touch device according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a touch device according to another embodiment of the present invention;
fig. 3 is a schematic implementation flow diagram of an implementation method of a touch device according to an embodiment of the present invention;
fig. 4 is a schematic implementation flow diagram of an implementation method of a touch device according to another embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
The technical solutions in 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 obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Fig. 1 shows a module structure of a touch device 1 according to an embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown, and the details are as follows:
as shown in fig. 1, a touch device 1 according to an embodiment of the present invention is disposed on a terminal device (not shown in the figure), and the touch device 1 includes a fingerprint acquisition module 10 and a touch pad control module 12. It should be noted that, in the embodiment of the present invention, the touch device 1 includes, but is not limited to, a touch pad, and other control input devices with a touch function; the terminal device includes but is not limited to a mobile terminal such as a personal notebook computer, a smart phone and the like.
The fingerprint collection module 10 is configured to send notification information to the touch pad control module 12 when sensing a finger touch, and collect a fingerprint image of a user when receiving a fingerprint collection instruction fed back by the touch pad control module 12.
The touch panel control module 12 is connected to the fingerprint acquisition module 10, and has a first interface 120 and a second interface 121, and is configured to determine a state of the terminal device when receiving the notification message, and feed back a fingerprint acquisition instruction to the fingerprint acquisition module 10 when the terminal device is in a fingerprint identification state; the touch panel control module 12 is further configured to read a fingerprint image captured by the fingerprint capture module 10, and send the read fingerprint image to the terminal device through the first interface 120, so that the terminal device identifies the identity of the user according to the fingerprint image.
Specifically, when a finger touches the fingerprint collection module 10, the fingerprint collection module 10 can sense the touch operation of the finger, and at this time, the fingerprint collection module 10 sends a notification message indicating that the finger touches the touch pad control module 12, so as to determine whether to collect a fingerprint image according to a feedback result of the touch pad control module 12.
When receiving the notification message sent by the fingerprint acquisition module 10, the touch pad control module 12 sends the notification message to the central processing unit of the terminal device, so as to inform the terminal device that a finger currently touches the fingerprint acquisition module 10. When receiving the notification information, the central processing unit of the terminal device checks the current state of the terminal device, and if the terminal device is in the fingerprint identification state, the central processing unit sends the state to the touch panel control module 12, so that the touch panel control module 12 confirms the state of the terminal device, and feeds a fingerprint acquisition instruction back to the fingerprint acquisition module 10 when the terminal device is in the fingerprint identification state.
After receiving the fingerprint collection command sent by the touch pad control module 12, the fingerprint collection module 10 collects a fingerprint image of the user. After the fingerprint acquisition module 10 acquires a fingerprint image of a user, the touch panel control module 12 performs image reading on the fingerprint image, and sends the read fingerprint image to the central processing unit of the terminal device through the first interface 120, so that the central processing unit of the terminal device identifies the identity of the user according to the fingerprint image, and further performs corresponding operations, such as starting up, on the terminal device according to an identification result.
It should be noted that, in the embodiment of the present invention, the first interface 120 is preferably a USB data interface.
In addition, the above process is a detailed description of the specific operation principle of the touch pad control module 12 when the fingerprint recognition function of the touch device 1 is performed, and now, the specific operation principle of the touch pad control module 12 when the fingerprint recognition function of the touch device 1 is performed is described, which is detailed as follows:
further, the touch pad control module 12 is further configured to, when the user touches the touch device 1, obtain the first finger touch information, and send the first finger touch information to the terminal device through the second interface 121, so that the terminal device performs a corresponding operation according to the first finger touch information.
In the embodiment of the present invention, the first finger touch information refers to touch information acquired by the touch pad control module 12 when the user touches the touch pad control module 12 of the touch device 1, that is, the first finger touch information refers to touch information acquired by the touch pad control module 12 when the fingerprint acquisition module 10 executes a fingerprint identification function and the user touches the touch pad control module 12 to operate the terminal device; in addition, the second interface 121 is a touch function type information transmission interface, which includes, but is not limited to, an I2C interface, a PS/2 interface, a PTP interface, and the like.
Specifically, as shown in fig. 2, the touch pad control module 12 includes a capacitance acquisition unit 122 and a touch pad control unit 123.
The capacitance acquisition unit 122 is configured to acquire capacitance data of the touch device 1 when a user touches the touch device 1 of the terminal device, and send the capacitance data to the touch pad control unit 123; wherein the capacitance data refers to capacitance change information in the touch device 1 when a user's finger touches the touch device 1 of the terminal device.
The touch pad control unit 123 is connected to the capacitance acquisition unit 122, and is configured to acquire first finger touch information according to capacitance data, and send the first finger touch information to the terminal device through the second interface 121, so that the terminal device performs corresponding operation according to the first finger touch information.
Specifically, after receiving the capacitance data sent by the capacitance acquisition unit 122, the touch pad control unit 123 performs calculation according to the capacitance data to obtain a specific coordinate of the finger touch device 1, and sends the coordinate to the central processing unit of the terminal device through the second interface 121, so that the central processing unit of the terminal device obtains the finger movement information or the gesture information of the user according to the coordinate information, and further performs corresponding operations, such as copying, pasting and the like, according to the finger movement information or the gesture information of the user.
In the embodiment of the present invention, since the touch panel system and the fingerprint identification system respectively adopt one processing module in the prior art, difficulty in circuit design of the touch panel system circuit and the fingerprint identification system is increased, and cost is increased, but the touch device 1 provided in the embodiment of the present invention adopts one touch panel control module 12 to simultaneously implement a touch function and a fingerprint identification function, which reduces difficulty and cost in circuit design of the touch device 1, and further solves the problems of great difficulty and high cost in circuit design of the existing terminal device with a fingerprint identification function and a touch function.
Further, as a preferred embodiment of the present invention, the fingerprint collection module 10 is further configured to obtain the finger sensing information and send the finger sensing information to the touch pad control module 12 when a fingerprint collection instruction fed back by the touch pad control module 12 is not received.
The touch pad control module 12 is further configured to obtain second finger touch information according to the finger sensing information, and send the second finger touch information to the terminal device through the second interface, so that the terminal device performs corresponding operation according to the second finger touch information.
Specifically, after the fingerprint collection module 10 sends the notification information of the finger touch to the touch pad control module 12, if a fingerprint collection instruction fed back by the touch pad control module 12 is not received, it indicates that the terminal device does not need to perform fingerprint identification currently, and at this time, the fingerprint collection module 10 can sense the finger touch, and indicates that the user may need to perform other functions through the fingerprint identification module 10, so that the fingerprint collection module 10 obtains the finger sensing information and sends the sensing information to the touch pad control module 12; the finger sensing information refers to sensing information acquired by the fingerprint acquisition module 10 when a finger clicks on the fingerprint acquisition module 12 or performs a scrolling operation in the vertical direction or the horizontal direction.
When the touch pad control module 12 receives the finger sensing information, the time information of the finger touch and/or the motion information of the finger touch can be obtained according to the finger sensing information, and the second finger touch information can be obtained according to the time information and/or the motion information.
Specifically, after the touch pad control module 12 receives the finger sensing information, time information of finger touch to the fingerprint acquisition module 10 or motion information of finger touch or time information of finger touch to the fingerprint acquisition module 10 and motion information of finger touch can be obtained according to the finger sensing information; the time information of the finger touching the fingerprint acquisition module 10 refers to the time of the finger touching the fingerprint acquisition module 10, that is, the time of the finger touching the fingerprint acquisition module 10 is the staying time on the fingerprint acquisition module 10, and the motion information of the finger touching refers to the displacement information or the motion track information of the finger touching the fingerprint acquisition module 10.
After the touch panel control module 12 obtains the time information of the finger touching the fingerprint acquisition module 10 and/or the motion information of the finger touching according to the finger sensing information, the touch panel control module 12 can identify the current operation of the user on the fingerprint acquisition module 10 according to the corresponding time information and the running information, and then obtain the second finger touch information according to the operation, and send the second finger touch information to the central processing unit of the terminal device through the second interface 121, so that the central processing unit of the terminal device performs the corresponding operation according to the second finger touch information. When the second finger touch information indicates that the user touches the fingerprint acquisition module 10, the touch pad control module 12 obtains the operation information of the user on the fingerprint acquisition module 10 according to the finger sensing information acquired by the fingerprint acquisition module 10, that is, the second finger touch information indicates the touch information acquired by the touch pad control module 12 when the fingerprint acquisition module 10 executes the touch identification operation and the user operates the terminal device by touching the fingerprint acquisition module 10.
For example, when the time interval for the touchpad control module 12 to acquire that the user touches the fingerprint acquisition module 10 is short, it indicates that the current user touches the fingerprint acquisition module 10 to perform a click operation; when the time information that the touchpad control module 12 acquires that the user touches the fingerprint acquisition module 10 is long and the motion information of the finger touch is the round-trip track information, it indicates that the user currently touches the fingerprint acquisition module 10 to perform the scrolling operation.
In the embodiment of the present invention, the touch device 1 provided by the present invention integrates the functions of the touch pad such as clicking and rolling on the fingerprint acquisition module 10, so that the fingerprint acquisition module 10 can be used as a control input device like a touch pad, the disadvantage of single function caused by only performing fingerprint identification in the existing terminal device is eliminated, the application range of the fingerprint identification module 10 is expanded, and the utilization rate of the fingerprint identification module 10 is further improved.
Further, the embodiment of the invention also provides terminal equipment, and the terminal equipment comprises a touch device. It should be noted that, since the touch device of the terminal device provided in the embodiment of the present invention is the same as the touch device 1 shown in fig. 1 to 2, the detailed description about fig. 1 to 2 may be referred to for the specific working principle of the touch device in the terminal device provided in the embodiment of the present invention, and is not repeated herein.
Further, fig. 3 shows an implementation flow of an implementation method of the touch device of the present invention, and for convenience of description, only parts related to the embodiments of the present invention are shown, and the details are as follows:
first, it should be noted that the touch device in the implementation method of the touch device provided in the embodiment of the present invention includes a fingerprint acquisition module and a touch pad control module, and the touch pad control module has a first interface and a second interface.
Further, as shown in fig. 3, an implementation method of a touch device provided in the embodiment of the present invention includes the following steps:
step S301: when sensing the touch of the finger, the fingerprint acquisition module sends notification information to the touch control panel control module.
Step S302: and the touch control panel control module confirms the state of the terminal equipment when receiving the notification message and feeds back a fingerprint acquisition instruction to the fingerprint acquisition module when the terminal equipment is in a fingerprint identification state.
Step S303: the fingerprint acquisition module acquires a fingerprint image of a user when receiving a fingerprint acquisition instruction fed back by the touch control panel control module.
Step S304: the touch control panel control module reads a fingerprint image acquired by the fingerprint acquisition module and sends the read fingerprint image to the terminal equipment through the first interface, so that the terminal equipment identifies the identity of a user according to the fingerprint image.
Step S305: when a user touches the touch device, the touch pad control module acquires first finger touch information and sends the first finger touch information to the terminal equipment through the second interface, so that the terminal equipment performs corresponding operation according to the first finger touch information.
Further, as a preferred embodiment of the present invention, as shown in fig. 4, the implementation method further includes the following steps:
step S306: when the fingerprint acquisition module does not receive a fingerprint acquisition instruction fed back by the touch pad control module, the fingerprint acquisition module acquires the finger sensing information and sends the finger sensing information to the touch pad control module.
In the embodiment of the present invention, when the fingerprint acquisition module does not receive the fingerprint acquisition instruction fed back by the touch pad control module, it indicates that the current terminal device does not need to perform fingerprint identification. At this time, a user touches the fingerprint acquisition module, which indicates that the fingerprint acquisition module executes other functions, so that the fingerprint acquisition module needs to send the acquired finger sensing information to the touch pad control module, so that the touch pad control module performs corresponding operations according to the finger sensing information.
Step S307: the touch control panel control module acquires second finger touch information according to the finger sensing information, and sends the second finger touch information to the terminal equipment through the second interface, so that the terminal equipment can perform corresponding operation according to the second finger touch information.
Further, as a preferred embodiment of the present invention, the step S307 of acquiring the second finger touch information by the touch pad control module according to the finger sensing information specifically includes:
the touch control panel control module acquires time information of finger touch and/or motion information of the finger touch according to the finger sensing information, and acquires second finger touch information according to the time information and/or the motion information.
It should be noted that, in the embodiment of the present invention, the implementation method of the touch device is implemented based on the touch device 1 shown in fig. 1 and fig. 2, so that reference may be made to the foregoing description of fig. 1 and fig. 2 for specific working principles of the implementation method of the touch device provided in the embodiment, and details are not repeated here.
In this embodiment, the terminal device including the touch device including the fingerprint acquisition module and the touch pad control module is adopted, so that the touch pad control module can simultaneously execute the fingerprint identification function and the touch function, and different function information is sent to the terminal device through corresponding interfaces when different functions are executed, so that the terminal device performs corresponding processing, and further fingerprint identification and touch can be performed by adopting one control module, thereby reducing the circuit design difficulty and cost of the terminal device with the fingerprint identification function and the touch function.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. A touch device provided on a terminal device, the touch device comprising:
the fingerprint acquisition module is used for sending notification information to the touch control panel control module when sensing finger touch, and acquiring a fingerprint image of a user when receiving a fingerprint acquisition instruction fed back by the touch control panel control module;
the touch control panel control module is connected with the fingerprint acquisition module, is provided with a first interface and a second interface, and is used for confirming the state of the terminal equipment when receiving the notification message and feeding back the fingerprint acquisition instruction to the fingerprint acquisition module when the terminal equipment is in a fingerprint identification state; the touch control panel control module is also used for reading the fingerprint image acquired by the fingerprint acquisition module and sending the read fingerprint image to the terminal equipment through the first interface so that the terminal equipment can identify the identity of the user according to the fingerprint image;
the touch control panel control module is further used for acquiring first finger touch information when a user touches the touch device, and sending the first finger touch information to the terminal equipment through the second interface, so that the terminal equipment can perform corresponding operation according to the first finger touch information;
the fingerprint acquisition module is also used for acquiring finger induction information and sending the finger induction information to the touch pad control module when a fingerprint acquisition instruction fed back by the touch pad control module is not received;
the touch control panel control module is further used for obtaining second finger touch information according to the finger sensing information and sending the second finger touch information to the terminal equipment through the second interface, so that the terminal equipment can conveniently perform corresponding operation according to the second finger touch information.
2. The touch device according to claim 1, wherein the touch pad control module is specifically configured to obtain time information of finger touch and/or motion information of finger touch according to the finger sensing information, and obtain the second finger touch information according to the time information and/or the motion information.
3. The touch device of claim 1, wherein the first interface is a USB data interface.
4. The touch device according to claim 1, wherein the second interface is a touch function type information transmission interface.
5. The touch device of any of claims 1-4, wherein the trackpad control module further comprises:
the capacitance acquisition unit is used for acquiring capacitance data of the touch device when the user touches the touch device of the terminal equipment;
and the touchpad control unit is connected with the capacitance acquisition unit and used for acquiring the first finger touch information according to the capacitance data and sending the first finger touch information to the terminal equipment through the second interface so that the terminal equipment can carry out corresponding operation according to the first finger touch information.
6. A terminal device, characterized in that it comprises a touching means according to any one of claims 1 to 5.
7. An implementation method of a touch device, where the touch device is disposed on a terminal device, is characterized in that the touch device includes a fingerprint acquisition module and a touch pad control module, and the touch pad control module has a first interface and a second interface, and the implementation method includes:
when the fingerprint acquisition module senses the touch of a finger, notification information is sent to the touch control panel control module;
the touch control panel control module confirms the state of the terminal equipment when receiving the notification message, and feeds back a fingerprint acquisition instruction to the fingerprint acquisition module when the terminal equipment is in a fingerprint identification state;
the fingerprint acquisition module acquires a fingerprint image of a user when receiving a fingerprint acquisition instruction fed back by the touch control panel control module;
the touch control panel control module reads the fingerprint image acquired by the fingerprint acquisition module and sends the read fingerprint image to the terminal equipment through the first interface, so that the terminal equipment can identify the identity of the user according to the fingerprint image;
when a user touches the touch device, the touch pad control module acquires first finger touch information and sends the first finger touch information to the terminal equipment through the second interface, so that the terminal equipment can perform corresponding operation according to the first finger touch information;
when the fingerprint acquisition module does not receive a fingerprint acquisition instruction fed back by the touch control panel control module, acquiring finger induction information and sending the finger induction information to the touch control panel control module;
and the touchpad control module acquires second finger touch information according to the finger sensing information, and sends the second finger touch information to the terminal equipment through the second interface, so that the terminal equipment can perform corresponding operation according to the second finger touch information.
8. The implementation method of claim 7, wherein the step of the touchpad control module obtaining the second finger touch information according to the finger sensing information includes:
the touch control panel control module acquires time information of finger touch and/or motion information of finger touch according to the finger sensing information, and acquires the second finger touch information according to the time information and/or the motion information.
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