CN2745116Y - Computer I/O peripheral equipment having wireless connecting function - Google Patents
Computer I/O peripheral equipment having wireless connecting function Download PDFInfo
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- CN2745116Y CN2745116Y CN 200420117317 CN200420117317U CN2745116Y CN 2745116 Y CN2745116 Y CN 2745116Y CN 200420117317 CN200420117317 CN 200420117317 CN 200420117317 U CN200420117317 U CN 200420117317U CN 2745116 Y CN2745116 Y CN 2745116Y
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Abstract
The utility model discloses a computer I/O peripheral equipment having wireless connecting function, which comprises an I/O processing module. The utility model is characterized in that the equipment further comprises a wireless link module and an interface collecting device. Wherein a port equipped at one end of the interface collecting device is connected with a computer, and a different port equipped at the other end is at least respectively connected with the I/O processing module and the wireless link module. According to different communication demand, a corresponding port in the different ports is repeatedly used as a working port. The wireless link module is connected with other wireless telecommunication equipment. The utility model is used for the established connection between the interface collecting device and the computer, and the communication between the computer and other wireless telecommunication equipment can be realized.
Description
Technical field
The utility model relates to a kind of computing machine input and output external unit with wireless connections function.
Background technology
Along with the fast development of Computers and Communication technology, wireless connect technology is ripe gradually.For traditional cable network, wireless network has following advantage:
1. support mobile networking, the position that the user can flexible movement be calculated external unit as using mobile phone, the network that keeps continuing connects;
2. do not need to use physical circuit, install very easy;
3. because the employed high radio frequency wave energy of wireless network enough penetrates wall or windowpane, so Wireless Communication Equipment can be placed arbitrarily in effective range;
4. the multi-level safety safeguard procedures are fully guaranteed user's privacy;
5. when changing network structure or layout, need not network is reset.
At present, the user can pass through wireless lan (wlan), bluetooth (Blue Tooth), ultra broadband (UWB) and radio universal serial bus technology such as (WUSB) realization wireless connections.
WLAN is the product that computer network combines with wireless connect technology, and it provides all functions of traditional cable LAN when saving the traditional electrical cable.802.11 series standards that WLAN adopts electronics and The Institution of Electrical Engineers (IEEE) to formulate utilize spread spectrum to realize data transmission service on 2.4～2.5GHz frequency range.Angle from wireless networking, because the target of WLAN is to realize WLAN (wireless local area network), therefore each uses the equipment of WLAN all to have a procotol (IP) address, in order to each terminal in the difference WLAN (wireless local area network), and the transmit leg and the take over party that indicate information.Direct connection between the WLAN technical support terminal, but all terminals that participate in connecting must have the IP address of the same network segment, otherwise can't communicate.
Bluetooth technology realizes that with WLAN the target of WLAN (wireless local area network) is different, and that it is realized is a kind of PAN (Personal Area Network) (PAN), and it adopts up-to-date IEEE 802.5 bluetooth standards, is the wireless connect technology of a kind of low-power consumption, short distance, low bandwidth.Though Bluetooth technology is used identical working frequency range with WLAN, both but exist bigger difference.Bluetooth technology adopts the FSK modulation demodulation system, and realize frequency hopping communications at 2400MHz～2483MHz, per second frequency hopping 1600～2400 times, frequency hopping frequency interval 1MHz, maximum communication data speed is 721kb/s, packet switch (realization data transmission) and circuit switching (realization voice transfer) link are provided simultaneously,, realize the professional transmission such as voice-and-data in 10～100 meters distances with low-power time division multiplexing mode emitting radio wave.Bluetooth technology is supported point-to-point and is put being connected of multiple spot, compare with the mode that WLAN adopts the IP address to carry out addressing, Bluetooth technology is when the directly connection that realizes between the terminal, network need not the address to each terminal distribution IP, but adopt mode artificial or inquiry automatically to find near bluetooth equipment, and the bluetooth equipment that inquires is linked to be a piconet (piconet), a plurality of piconets can be interconnected into special decentralized network again, form the topological structure of multiple piconet flexibly, thereby realize the high-speed traffic between the various kinds of equipment.Based on These characteristics, Bluetooth technology is compared with the WLAN wireless connections equipment that is operated in similar frequency bands, and the redirect of frequency is more flexible, packet is shorter, power consumption is lower, and system works is more stable.In addition, Bluetooth technology adopts special-purpose semiconductor integrated circuit chip, has that volume is less, compact conformation and cheap characteristics.
UWB is a kind of wireless connect technology of high-speed low-power-consumption, different with WLAN is, it uses 3.4GHz to 10.6GHz frequency range, adopt the multiband orthogonal frequency to have the interference characteristic of lower decay, optimization, intrinsic frequency diversity and accurate station-keeping ability with modulation demodulation system UWB, thereby can provide enough data transmission rates to support the developing multimedia intensive application of multifunctional equipment, thereby realize the transmission of video, audio frequency and the data of high reliability.The conventional wireless system of transmitting information with use narrowband modulation carrier wave is different, the UWB technology uses the very high-speed energy pulse that produces down to transmit data, can support the data transmission rate of per second 28M, 55M, 110M, 220M, 500M, 660M and 1320M bit.
Compared with such as traditional wireless technologys such as WLAN, UWB has four key advantages, and they are respectively that Quality of Service is higher, 1G bps or higher data transmission rate, low cost and longer battery life can go directly.In addition, when adopting the UWB technology to realize wireless connections, its power consumption only is one of percentage of WLAN, is 1/10th of bluetooth.Above-mentioned characteristic has determined the role that UWB is fit to take on Physical layer among the PAN very much.
WUSB is a kind of wireless connect technology that has just occurred, and its purpose is: replace wired USB technology, to individual, mininet provide at a high speed, Wireless Networking environment easily.At present, WUSB uses the frequency range that is different from WLAN, i.e. 3.4GHz to 10.6GHz; The bandwidth of WUSB is 480Mb/ second, and keeping the maximum transmission distance of high-speed transfer is 10 meters, and average power consumption is lower than 300mW.Compare with WLAN, because WUSB uses usb protocol, the WUSB technology need not data are carried out protocol conversion, promptly comes from the exchange between the data of the usb data of computing machine and compliance with wireless communication agreement, therefore adopts the WUSB technology can realize exchanges data faster.
For make the user convenient utilize the computer realization wireless connections, manufacturer adopts built-in and external dual mode will have the equipment integration of wireless connections function in computing machine at present.
Because under the built-in mode, the wireless connections functional module is fixed in the inside of computing machine, cost is higher, be not easy to safeguard, therefore great majority are made commercial cities and adopted external mode to realize wireless connections at present.
Under external mode, the wireless connections functional module links to each other with computing machine by the computing machine external interface of standard, and for example: serial line interface, USB interface etc. because this mode does not change the inner structure of main frame, have therefore obtained using widely.But, the wireless connections module of each external mode all needs to take an independent computing machine external interface, because main frame can only provide limited external interface, then the computer peripheral quantity of using as the user problem of external interface lazy weight can occur more for a long time; In addition, because the restriction of computing machine external interface quantity, in order to improve the utilization factor of computing machine external interface, the user finishes being connected and disconnection of external radio link block and computing machine by the mode of artificial plug, and plug causes the infringement of computing machine external interface and wireless connections module self easily repeatedly, therefore very use continually under the situation of wireless connections function the user, external scheme is difficult to satisfy user's demand on ease for use, reliability.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of computing machine input and output external unit with wireless connections function.This computing machine input and output external unit links to each other with computing machine by a USB interface, realizes input/output function and the wireless connections function of self simultaneously.
For achieving the above object, the utility model provides a kind of computing machine input and output external unit with wireless connections function, comprises the input and output processing module, and this equipment further comprises wireless connections module and interface manifold, wherein:
A port of one end of interface manifold is connected with computing machine, the different port of the other end is connected respectively with the wireless connections module with described input and output processing module at least, being used for according to different communication request, is working port with the corresponding multiplexed port in the described different port;
The wireless connections module links to each other with other Wireless Telecom Equipment, is used for by via being connected of being set up between interface manifold and the computing machine, realizes communicating by letter between computing machine and other Wireless Telecom Equipment.
Described computing machine input and output external unit is to have the external unit of supporting the point-to-multipoint communication protocol interface, described interface manifold is a usb hub, this usb hub comprises at least: uplink port, USB line concentration controller, first downlink port and second downlink port, wherein:
Uplink port links to each other with the computing machine USB interface, is used for the receiving computer usb signal;
The USB line concentration controller links to each other with uplink port, first downlink port and second downlink port respectively, is used to manage up and downgoing signal;
Two ports in output port on the USB line concentration controller, first downlink port and second downlink port link to each other with USB wireless connections module with described input and output processing module respectively, are used for to described input and output processing module and USB wireless connections module output downgoing signal.
Two ports in output port on the described USB line concentration controller, first downlink port and second downlink port are connected to described input and output processing module and USB wireless connections module respectively:
The input and output processing module is connected on the input/output port of USB line concentration controller;
USB wireless connections module is connected on described first downlink port or second downlink port.
Two ports in output port on the USB line concentration controller, first downlink port and second downlink port are connected to described input and output processing module and USB wireless connections module respectively:
The input and output processing module is connected on described first downlink port or second downlink port;
USB wireless connections module is connected on the input/output port of described USB line concentration controller.
Two ports in output port on the USB line concentration controller, first downlink port and second downlink port are connected to described input and output processing module and USB wireless connections module respectively:
The input and output processing module is connected on any one port in described first downlink port and second downlink port;
USB wireless connections module is connected on the described another one downlink port.
Described external unit with support point-to-multipoint communication protocol interface is:
USB device, 1394 equipment or ethernet device.
Described computing machine input and output external unit is the external unit with support point point to-point communication protocol interface, and described interface manifold is central control unit module and memory module, wherein:
Memory module is used for preserving at least described wireless connections module and the input and output processing unit moves needed program and data;
A port of CPU (central processing unit) module one end links to each other with computing machine, the different port of the other end is connected respectively with described input and output processing module, wireless connections module and memory module at least respectively, this CPU (central processing unit) module is used for according to different communication request, with the corresponding multiplexed port in the described different port is working port, obtain and described working port corresponding programs and data from memory module, and offer and the corresponding module of this working port.
Described CPU (central processing unit) module and/or memory module are internal or external in the described computing machine input and output external unit.
Described computing machine input and output external unit with wireless connections function further comprises level switch module, is used to realize the mutual conversion between the level of the interface level of CPU (central processing unit) module and computer interface.
Described CPU (central processing unit) module is connected with computing machine, input and output processing module, wireless connections module and memory module and comprises:
The CPU (central processing unit) module adopts the port of same type to be connected with described computing machine, input and output processing module, wireless connections module and memory module respectively.
Described CPU (central processing unit) module is connected with computing machine, input and output processing module, wireless connections module and memory module and comprises:
The CPU (central processing unit) module adopts dissimilar ports to be connected with described computing machine, input and output processing module, wireless connections module and memory module respectively;
Described CPU (central processing unit) module is further used for carrying out the Data Format Transform of dissimilar ports.
Described external unit with support point point to-point communication protocol interface is:
Serial equipment and jaws equipment or infrared equipment.
Described input and output processing module is a mouse module.
Described input and output processing module is a Keysheet module.
Described input and output processing module is a camera module.
Described wireless connections module is the blue teeth wireless link block.
Described blue teeth wireless link block comprises at least: low-power blue teeth wireless link block or high power blue teeth wireless link block.
Described wireless connections module is the super wideband wireless link block.
Described super wideband wireless link block comprises at least: low-power ultra-wideband wireless connections module or high power super wideband wireless link block.
Described wireless connections module is the radio universal serial bus module.
Described radio universal serial bus module comprises low-power wireless universal serial bus module or high power radio universal serial bus module at least.
Described external unit comprises at least: wireless headset, wireless printer, radio facsimile machine or computing machine.
As seen from the above technical solutions, the utility model is integrated in computing machine input and output processing module and wireless connections module in the computing machine input and output external unit, has saved interface resource, has improved the convenience that uses.Particularly, the utlity model has following beneficial effect:
1. wireless connections module and computing machine input and output external unit are integrated in one, interface of common use links to each other with computing machine, both reduced the quantity of computer peripheral, saved the computing machine external interface again, the user realizes two kinds of functions by an equipment simultaneously, has improved the convenience degree of using;
2. as long as the computing machine input and output external unit with wireless connections function that the utility model is provided is connected with computing machine, the user can use the wireless connections module, and need not it is installed separately and removes, reduce the number of times of plug, safeguarded computing machine external interface and wireless connections module effectively.
Description of drawings
Fig. 1 is the computing machine input and output external unit structural representation of embodiment one in the utility model.
The USB computing machine input and output external unit structural representation of Fig. 2 for having the wireless connections function among the utility model embodiment one.
Fig. 3 is the structural representation of USB HUB among the utility model embodiment one.
Fig. 4 is the structural representation of the computing machine input and output external unit of embodiment 1 among the utility model embodiment one.
Fig. 5 is the structural representation of low-power bluetooth/UWB module in the utility model.
Fig. 6 is the structural representation of high power bluetooth/UWB module in the utility model.
Fig. 7 is the structural representation of the computing machine input and output external unit among the embodiment 2 among the utility model embodiment one.
Fig. 8 is the structural representation of the computing machine input and output external unit among the embodiment 3 among the utility model embodiment one.
Fig. 9 is the structural representation of low-power WUSB module in the utility model.
Figure 10 is the structural representation of high power WUSB module in the utility model.
Figure 11 is the structural representation of the computing machine input and output external unit of embodiment 4 among the utility model embodiment one.
Figure 12 is the structural representation of the computing machine input and output external unit of the utility model embodiment two.
Figure 13 is the module map of the utility model embodiment two.
Figure 14 is the circuit diagram of Figure 13.
Embodiment
For making the purpose of this utility model, technical scheme clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the utility model is described in further detail.
In actual applications, computing machine input and output external unit has two types interface usually, a kind of for supporting the interface of point-to-multipoint communication agreement, as USB interface, 1394 interfaces, and Ethernet interface etc., have in the external unit of the type interface and generally include the interface manifold, a port of one end of this interface manifold is connected to computing machine, the different port of the other end then links to each other with a plurality of miscellaneous equipments or module respectively, this interface manifold is used to realize multiplexing mutually between its each port, and utilize the port that is multiplexed into to realize data transmission, thereby realize a bit arriving the communication of multiple spot; The another kind of interface that computing machine input and output external unit is had is for only supporting the interface of point to point protocol, as RS232 serial ports, parallel port and infrared interface etc., external unit utilizes this port can only realize communicating by letter between its input/output module and the computing machine.At these two kinds of interface types, respectively device provided by the utility model is described in detail below:
Embodiment one, have the computing machine input and output external unit of supporting the point-to-multipoint communication protocol interface:
Referring to Fig. 1, computing machine input and output external unit described in the present embodiment comprises the input and output processing module, this input and output processing module is connected to computing machine by the interface manifold, to realize communicating by letter between input and output processing module and the computing machine, thereby finish corresponding input and output work of treatment, in the utility model, this computing machine input and output external unit further comprises the wireless connections module, because this computing machine input and output external unit is supported point-to-multipoint communication by its interface manifold, therefore, one end of this wireless connections module is connected to computing machine by described interface manifold, the other end then carries out the miscellaneous equipment wireless connections of radio communication with needs, thereby realizes that computing machine and described needs carry out the radio communication between the miscellaneous equipment of radio communication; The interface manifold is finished the multiplexing and distribution between wireless connections and the input and output processing, by multiplexing realize respectively between input and output processing module and the computing machine communicate by letter and wireless connections module and computing machine between communicate by letter, and distribute corresponding program and data for input and output processing procedure and wireless connections processing procedure.
Below be example with computing machine input and output treatment facility with USB interface, embodiment 1 is described in detail, wherein, adopt usb hub (HUB) as described interface manifold:
As shown in Figure 2, the utility model is the computing machine input and output external unit with wireless connections function, comprise the USB computing machine input and output processing module 21 that is integrated in the computing machine input and output external unit 20, be used to realize the USB wireless connections module 22 and the USB HUB23 of wireless connections between computing machine and the external unit, USB computing machine input and output processing module 21 wherein and USB wireless connections module 22 by with being connected of USB HUB23, realize mutual with computing machine, thus realize computing machine with such as wireless headset, wireless printer, radio facsimile machine or have wireless connections between the external units such as other computing machine of wireless connections function.
When computing machine sends instructions under to the computing machine input and output external unit with wireless connections function, USB HUB23 receives the signal that comes from computing machine by USB interface, after by USB HUB23 this signal being analyzed and handled, send to USB computing machine input and output processing module 21 or USB wireless connections module 22; Computing machine is when having computing machine input and output external unit 20 received signals of wireless connections function, USB computing machine input and output processing module 21 or USB wireless connections module institute earlier are sent to the signal of generation among the USB HUB23, are uploaded to computing machine by USB HUB23 by USB interface again.Because USB HUB can upload and issue multiple signal simultaneously, so the USB computing machine input and output processing module 21 and the USB wireless connections module 22 that are connected in same USB HUB23 in the utility model can not influence each other with computer interactive simultaneously.
The input and output external unit commonly used that computing machine input and output external unit 20 uses USB interface to be connected with computing machine, as: USB mouse, USB keyboard and USB shooting are first-class; USB wireless connections module 22 realizes the device of computer peripheral 20 and main frame radio communication for adopting wireless connect technology, as: blue teeth wireless link block, UWB wireless connections module and WUSB wireless connections module etc.
As shown in Figure 3, USB HUB23 comprises USB HUB controller 301, uplink port 302, first electrostatic protection apparatus 303, electric power controller 304, first downlink port 305 and second downlink port 306 at least.Wherein, uplink port 302 will come from the signal of computing machine and give USB HUB controller 301, and perhaps the signal that USB HUB controller 301 is transmitted is given computing machine; This uplink port is undertaken alternately by USB interface and computing machine, and is connected with DM0 with the up differential signal end DP0 of USB HUB controller 301 with D-by self differential signal end D+.The descending differential signal end DP1 of USB HUB controller 301 and DM1, DP2 and DM2 are connected on the differential signal end D+ and D-of first downlink port 305 and second downlink port 306; Electrostatic protection apparatus 303 is used to suppress the interference on the transmission line, and USB HUB controller 301 is shielded; Two output terminal C, D of this electrostatic protection apparatus avoid the electrostatic interference signal to enter above-mentioned up differential signal end respectively at linking to each other with up differential signal end D+, the D-of uplink port 302.Electric power controller 304 is used for obtaining the power supplys input from uplink port 302, and under the control of USB HUB controller 301, for first downlink port 305 and second downlink port 306 provide power supply; The power input V of this electric power controller
INBe connected in the 5V voltage output end of uplink port 302, Enable Pin EN1 and EN2 are connected in the power supply signal end PWRON1 and the PWRON2 of USB HUB controller 301, and output terminal OUT
1, OUT
2Be connected with second downlink port 306 with first downlink port 305 respectively.Computing machine input and output processing module 21 can link to each other with USB HUB controller 301 by first downlink port 305 or second downlink port 306, perhaps is directly connected on the input/output port Ports (3:0) of USB HUB controller 301.
USB HUB controller 301 is cores of USB HUB23, its role is to: according to the address of carrying in the packet in the uplink port 302, input/output port Ports (3:0), differential signal output terminal DP1 and DM1 or differential signal output port DP2 and the DM2 of self given this data packet transmission in decision; It also is in charge of the conversion between the first downgoing signal output port 305 and the second downgoing signal output port, the 306 various states, as connect, disconnect, enable, forbid, hang-up and recovery etc., and can provide the power management control signal of USB for electric power controller 304.
Because input/output port Ports (3:0) and downlink port 305,306 on the USB HUB controller 301 all can connect peripheral circuit, therefore USB computing machine input and output processing module 21 comprises dual mode with being connected of USB HUB23: a kind of USB of being computing machine input and output processing module links to each other with the input/output port Ports (3:0) of USB HUB controller 301 among the USB HUB23, and to be USB computing machine input and output processing module link to each other with any one downlink port among the USB HUB23 another kind.USB wireless connections module 22 also comprises dual mode with being connected of USB HUB23: a kind of USB of being wireless connections module 22 links to each other with the input/output port Ports (3:0) of USB HUB301 among the USB HUB23, and to be USB wireless connections module 22 link to each other with any one downlink port among the USB HUB23 another kind.
Connected mode according to USB HUB and computing machine input and output processing module 21 and USB wireless connections module 22, and the constituted mode difference of USB wireless connections module 22, below from using the computing machine input and output external unit with bluetooth/UWB function of 1 USB HUB downlink port, use the computing machine input and output external unit with bluetooth/UWB function of 2 USB HUB downlink ports, use the computing machine input and output external unit with WUSB function of 1 USB HUB downlink port and use 4 embodiment such as computing machine input and output external unit of 2 USB HUB downlink ports that the utility model is described with WUSB function.
Embodiment 1: the computing machine input and output external unit with bluetooth/UWB function that uses 1 USB HUB downlink port.
As shown in Figure 4, the input/output port Ports (3:0) of USB HUB controller directly connects computing machine input and output processing module 21, and first downlink port 305 of USB HUB links to each other with bluetooth/UWB module 401.
When computing machine when the computing machine input and output external unit with bluetooth/UWB function shown in Figure 4 sends signal, USB HUB receives this signal by the USB interface of uplink port 302, and sends the instruction of computing machine to USB computing machine input and output processing module 21 or bluetooth/UWB module 401 through the up differential signal end DP0 of two differential signal end D+ and D-, USB HUB controller 301 and DM0, input/output port Ports (3:0) or descending differential signal end DP1 and DM1; When USB computing machine input and output processing module 21 or external signal that bluetooth/UWB module 401 is produced were desired to input to computing machine, USB HUB controller was sent to computing machine by self up differential signal end DP0 and DM0 through the differential signal end D+ of uplink port 302 and D-and USB interface with this external signal.Thus, computing machine input and output external unit and the computing machine that has bluetooth/UWB function in the present embodiment finished alternately.
The USB computing machine input and output processing module 21 that links to each other with USB HUB controller 301 can be mouse module, Keysheet module and camera module etc.
Bluetooth/UWB the module 401 that links to each other with USB HUB first downlink port 305 is different by its emissive power, can be divided into low power configuration and high power structure.
As shown in Figure 5, the low-power bluetooth module is identical with the structure of low-power UWB module, includes: agreement inserts converter 501, access and baseband processing module 502, system clock crystal 5 03, modulation module 504, transmitting-receiving handover module 505 and Anneta module 506.When the signal of computing machine through bluetooth/when the UWB module outwards transmits, agreement inserts converter 501 and will come from usb data frames such as the control signal of computing machine and data message and unpack and framing, converts the Frame that meets Bluetooth protocol or UWB agreement to; The clock signal of utilizing system clock crystal 5 03 to provide with baseband processing module 502 is provided carries out divide operation, finish the baseband modulation of bluetooth data frame or UWB Frame, for modulation module 504 provides parameter configuration, as channel, power and gain etc., in addition, insert the mode of operation of also receive and dispatch handover module and be set to transmission with baseband processing module 502; Modulation module 504 is finished the frequency translation of baseband signal to designated carrier, and is carried out power amplification according to inserting the synthetic carrier wave of channel specified with baseband processing module 502; Transmitting-receiving handover module 505 mode of operation at this moment is for sending, and the electromagnetic signal that then will come from modulation module 504 is radiated in space or the inductive spacing through Anneta module 506 goes.Adopt the working method of time division duplexs owing to receiving and dispatching handover module 505, so after the signal of computing machine sends, receive and dispatch handover module 505 under the effect of access and baseband processing module, working mode change is reception.When computing machine received external signal by bluetooth/UWB module, Anneta module 506 was given outside induced signal and is inserted and baseband processing module 502 through modulation module 504; The clock signal of utilizing system clock crystal 5 03 to provide with baseband processing module 502 is provided carries out divide operation, finish the base band demodulating of bluetooth data frame or UWB Frame and handle; Access protocol converter 501 becomes to meet the Frame of usb protocol from Bluetooth protocol or UWB protocol conversion with the Frame after the demodulation, and sends into computing machine.
Compare with low-power bluetooth/UWB module, high power bluetooth/UWB module can realize the interconnection between the equipment of farther distance.As shown in Figure 6, high power bluetooth/UWB module is increasing power amplifier module 507 and low noise amplification module 508 on the basis of low-power bluetooth/UWB module between modulation module 504 and transmitting-receiving handover module 505.High power bluetooth/when the UWB module sends Computer signal, agreement insert converter 501 and will come from usb data frames such as the control signal of computing machine and data message and unpack and framing, convert the Frame that meets Bluetooth protocol or UWB agreement to; The clock signal of utilizing system clock crystal 5 03 to provide with baseband processing module 502 is provided carries out divide operation, finish the baseband modulation of bluetooth data frame or UWB Frame, for modulation module 504 provides parameter configuration, as channel, power and gain etc., in addition, insert the mode of operation of also receive and dispatch handover module and be set to transmission with baseband processing module 502; Modulation module 504 is finished the frequency translation of baseband signal to designated carrier, and is carried out power amplification according to inserting the synthetic carrier wave of channel specified with baseband processing module 502; After power amplifier module 507 amplifies signal once more, send to Anneta module 506 through transmitting-receiving handover module 505; Anneta module 506 with the signal radiation of feed-in in space or inductive spacing.Adopt the working method of time division duplexs owing to receiving and dispatching handover module 505, so after the signal of computing machine sends, receive and dispatch handover module 505 under the effect of access and baseband processing module, working mode change is reception.When computing machine received external signal by bluetooth/UWB module, Anneta module 506 was input to low noise amplification module 508 with outside induced signal, through after the processing and amplifying, sent to modulation module 504 and finished demodulation; The clock signal of utilizing system clock crystal 5 03 to provide with baseband processing module 502 is provided carries out divide operation, finish the base band demodulating of bluetooth data frame or UWB Frame and handle; Access protocol converter 501 becomes to meet the Frame of usb protocol from Bluetooth protocol or UWB protocol conversion with the Frame after the demodulation, and sends into computing machine.
Present embodiment can directly connect the input/output port Ports (3:0) of USB HUB controller 301 USB computing machine input and output processing module 21, and second downlink port 306 of USB HUB links to each other with bluetooth/UWB module 401; Also the input/output port Ports (3:0) of USB HUB controller 301 directly can be connected bluetooth/UWB module 401, and first downlink port 305 of USB HUB links to each other with USB computing machine input and output processing module 21; The input/output port Ports (3:0) of USB HUB controller 301 directly can also be connected bluetooth/UWB module 401, and second downlink port 306 of USB HUB links to each other with USB computing machine input and output processing module 21.USB computing machine input and output processing module 21 in above-mentioned three kinds of schemes all can be mouse module, Keysheet module and camera module etc.; Bluetooth/UWB module can adopt low-power bluetooth/UWB module shown in Figure 5, also can adopt high power bluetooth/UWB module shown in Figure 6.
Present embodiment is chosen a downlink port in first downlink port 305 and second downlink port 306, add the input/output port Ports (3:0) with USB HUB controller 301, realization USBHUB23 is connected with USB computing machine input and output processing module 21 and bluetooth/UWB module 401.Introduce below and only adopt two downlink ports to realize USB HUB23 and USB computing machine input and output processing module 21 and the situation that bluetooth/UWB module 401 is connected.
Embodiment 2: the computing machine input and output external unit with bluetooth/UWB function that uses 2 USB HUB downlink ports.
As shown in Figure 7, first downlink port 305 of USB HUB links to each other with USB computing machine input and output processing module 21, and second downlink port 306 links to each other with bluetooth/UWB module 401.
When computing machine when the computing machine input and output external unit with bluetooth/UWB function shown in Figure 7 sends signal, USB HUB receives this signal by the USB interface of uplink port 302, and sends the instruction of computing machine to USB computing machine input and output processing module 21 or bluetooth/UWB module 401 through the up differential signal end DP0 of two differential signal end D+ and D-, USB HUB controller 301 and DM0, descending differential signal end DP1 and DM1 and DP2 and DM2; When USB computing machine input and output processing module 21 or external signal that bluetooth/UWB module 401 is produced were desired to input to computing machine, USB HUB was sent to computing machine with the differential signal end D+ of the descending differential signal end DP1 of the downlink port of this external signal by correspondence, USB HUB and DM1, up differential signal end DP0 and DM0, uplink port 302 and D-and USB interface.Thus, computing machine input and output external unit and the computing machine that has bluetooth/UWB function in the present embodiment finished alternately.
The USB computing machine input and output processing module 21 that links to each other with USB HUB first downlink port 305 can be mouse module, Keysheet module and camera module etc.
Bluetooth/UWB the module 401 that links to each other with USB HUB second downlink port 306 is different by its emissive power, can be divided into low power configuration and high power structure.Wherein low-power bluetooth/UWB module adopts scheme shown in Figure 5, and high power bluetooth/UWB module adopts scheme shown in Figure 6.
In addition, present embodiment can also link to each other first downlink port 305 of USB HUB with bluetooth/UWB module 401, and second downlink port 306 links to each other with USB computing machine input and output processing module 21.
What the USB wireless connections module among embodiment 1 and the embodiment 2 adopted is blue teeth wireless link block or UWB wireless connections module, adopts the situation of WUSB wireless connections module to be introduced to USB wireless connections module below.
Embodiment 3: the computing machine input and output external unit with WUSB function that uses 1 USB HUB downlink port.
As shown in Figure 8, the input/output port Ports (3:0) of USB HUB controller directly connects USB computing machine input and output processing module 21, and first downlink port 305 of USB HUB links to each other with WUSB module 402.
When computing machine when the computing machine input and output external unit with WUSB function shown in Figure 8 sends signal, USB HUB receives this signal by the USB interface of uplink port 302, and sends the instruction of computing machine to USB computing machine input and output processing module 21 or WUSB module 401 through the up differential signal end DP0 of two differential signal end D+ and D-, USB HUB controller 301 and DM0, input/output port Ports (3:0) or descending differential signal end DP1 and DM1; When the external signal that is produced when USB computing machine input and output processing module 21 or WUSB module 401 was desired to input to computing machine, USB HUB controller was sent to computing machine by self up differential signal end DP0 and DM0 through the differential signal end D+ of uplink port 302 and D-and USB interface with this external signal.Thus, computing machine input and output external unit and the computing machine that has the WUSB function in the present embodiment finished alternately.
The USB computing machine input and output processing module 21 that links to each other with USB HUB controller 301 can be mouse module, Keysheet module and camera module etc.
The WUSB module 402 that links to each other with USB HUB first downlink port 305 is different by its emissive power, can be divided into low power configuration and high power structure.
As shown in Figure 9, low-power WUSB module comprises: insert and baseband processing module 502, system clock crystal 5 03, modulation module 504, transmitting-receiving handover module 505 and Anneta module 506.When the usb signal of computing machine outwards transmits through the WUSB module, be usb protocol because WUSB adopts, so this signal need not through protocol conversion and directly sends into and insert and baseband processing module 502; The clock signal of utilizing system clock crystal 5 03 to provide with baseband processing module 502 is provided carries out divide operation, finish the baseband modulation of usb data frame, for modulation module 504 provides parameter configuration, as channel, power and gain etc., in addition, insert the mode of operation of also receive and dispatch handover module and be set to transmission with baseband processing module 502; Modulation module 504 is finished the frequency translation of baseband signal to designated carrier, and is carried out power amplification according to inserting the synthetic carrier wave of channel specified with baseband processing module 502; Transmitting-receiving handover module 505 mode of operation at this moment is for sending, and the electromagnetic signal that then will come from modulation module 504 is radiated in space or the inductive spacing through Anneta module 506 goes.Adopt the working method of time division duplexs owing to receiving and dispatching handover module 505, so after the signal of computing machine sends, receive and dispatch handover module 505 under the effect of access and baseband processing module, working mode change is reception.When computing machine received external signal by bluetooth/UWB module, Anneta module 506 was given outside induced signal and is inserted and baseband processing module 502 through modulation module 504; The clock signal of utilizing system clock crystal 5 03 to provide with baseband processing module 502 is provided carries out divide operation, finish the base band demodulating of WUSB Frame and handle; WUSB Frame after the demodulation is sent to computing machine.
Compare with low-power WUSB module, high power WUSB module can realize the interconnection between the equipment of farther distance.As shown in figure 10, high power WUSB module is increasing power amplifier module 507 and low noise amplification module 508 on the basis of low-power bluetooth/UWB module between modulation module 504 and transmitting-receiving handover module 505.When high power WUSB module sends signal to the external world, coming from usb data frames such as the control signal of computing machine and data message imports into and inserts and baseband processing module 502, the clock signal that this module utilizes system clock crystal 5 03 to provide is carried out divide operation, finish the baseband modulation of WUSB Frame, for modulation module 504 provides parameter configuration, as channel, power and gain etc., in addition, access is set to send with the mode of operation that baseband processing module 502 is is also received and dispatched handover module; Modulation module 504 is finished the frequency translation of baseband signal to designated carrier, and is carried out power amplification according to inserting the synthetic carrier wave of channel specified with baseband processing module 502; After power amplifier module 507 amplifies signal once more, send to Anneta module 506 through transmitting-receiving handover module 505; Anneta module 506 with the signal radiation of feed-in in space or inductive spacing.Adopt the working method of time division duplexs owing to receiving and dispatching handover module 505, so after the signal of computing machine sends, receive and dispatch handover module 505 under the effect of access and baseband processing module, working mode change is reception.When computing machine received external signal by the WUSB module, Anneta module 506 was input to low noise amplification module 508 with outside induced signal, through after the processing and amplifying, sent to modulation module 504 and finished demodulation; The clock signal of utilizing system clock crystal 5 03 to provide with baseband processing module 502 is provided carries out divide operation, after the base band demodulating of finishing the WUSB Frame is handled, the usb data frame is sent into computing machine.
Present embodiment can directly connect the input/output port Ports (3:0) of USB HUB controller USB computing machine input and output processing module 21, and second downlink port 306 of USB HUB links to each other with WUSB module 402; Also the input/output port Ports (3:0) of USB HUB controller directly can be connected WUSB module 402, and first downlink port 305 of USB HUB links to each other with USB computing machine input and output processing module 21; Can also be with the direct WUSB module 402 of the input/output port Ports (3:0) of USB HUB controller, and second downlink port 306 of USB HUB links to each other with USB computing machine input and output processing module 21.USB computing machine input and output processing module 21 in above-mentioned three kinds of schemes all can be mouse module, Keysheet module and camera module etc.; The WUSB module adopts low-power WUSB module shown in Figure 9, perhaps adopts high power WUSB module shown in Figure 10.
Present embodiment is chosen a downlink port in first downlink port 305 and second downlink port 306, add the input/output port Ports (3:0) with USB HUB controller 301, realization USBHUB23 is connected with USB computing machine input and output processing module 21 and WUSB module 402.Introduce below and only adopt two downlink ports to realize the situation that USB HUB23 and USB computing machine input and output processing module 21 are connected with WUSB module 402.
Embodiment 4: the computing machine input and output external unit with WUSB function that uses 2 USB HUB downlink ports.
As shown in figure 11, first downlink port 305 of USB HUB links to each other with USB computing machine input and output processing module 21, and second downlink port 306 links to each other with WUSB module 402.
When computing machine when the computing machine input and output external unit with WUSB function shown in Figure 11 sends signal, USB HUB receives this signal by the USB interface of uplink port 302, and sends the instruction of computing machine to USB computing machine input and output processing module 21 or WUSB module 402 through the up differential signal end DP0 of two differential signal end D+ and D-, USB HUB controller 301 and DM0, descending differential signal end DP1 and DM1 and DP2 and DM2; When the external signal that is produced when USB computing machine input and output processing module 21 or WUSB module 402 was desired to input to computing machine, USB HUB was sent to computing machine with the differential signal end D+ of the descending differential signal end DP1 of the downlink port of this external signal by correspondence, USB HUB and DM1, up differential signal end DP0 and DM0, uplink port 302 and D-and USB interface.Thus, computing machine input and output external unit and the computing machine that has the WUSB function in the present embodiment finished alternately.
The USB computing machine input and output processing module 21 that links to each other with USB HUB first downlink port 305 can be mouse module, Keysheet module and camera module etc.
The WUSB module 402 that links to each other with USB HUB second downlink port 306 is different by its emissive power, can be divided into low power configuration and high power structure.Wherein low-power WUSB module adopts scheme shown in Figure 9, and high power WUSB module adopts scheme shown in Figure 10.
In addition, present embodiment can also link to each other first downlink port 305 of USB HUB with WUSB module 402, and second downlink port 306 links to each other with USB computing machine input and output processing module 21.
Embodiment two, have the computing machine input and output external unit of a support point point to-point communication protocol interface:
Referring to Figure 12, the computing machine input and output external unit in the present embodiment comprises the input and output processing module, and this module is used to realize corresponding input and output work of treatment; This computing machine input and output external unit further comprises wireless connections module, central control unit (MCU) module and memory module, MCU module and memory module constitute the interface manifold described in the embodiment one, and play the effect identical with it, wherein:
A port of one end of MCU module links to each other with computing machine, the different port of the other end is connected respectively with described input and output processing module, wireless connections module and memory module at least respectively, this MCU module is used for according to different communication request, with the corresponding multiplexed port in the described different port is working port, and all the other multiplexed ports are working port not, and from memory module acquisition and these working port corresponding programs and data, and offer and the corresponding module of this working port;
Memory module is used to preserve needed program of each module that links to each other with MCU and data; In the utility model, the data that memory module is preserved comprise at least: needed program and data and input and output processing unit move needed program and data during the operation of wireless connections module;
The wireless connections module links to each other with other Wireless Telecom Equipment, is used for by via being connected of being set up between MCU and the computing machine, realizes communicating by letter between computing machine and other Wireless Telecom Equipment;
Wherein, in the utility model, MCU module and/or memory module can be internal or external in the computing machine input and output external unit, do not influence realization of the present utility model; In addition, if MCU interface level and computer interface level are inconsistent, then this computing machine input and output external unit also needs further to comprise level switch module, is used to realize the mutual conversion between MCU interface level and the computer interface level.
Referring to Figure 12, binding signal stream is introduced present embodiment:
When the input and output processing module has data input computing machine, this module is to sending MCU, MCU receives the request back and receives inputoutput data by the A port, these data are carried out protocol conversion, finish format conversion, at last data are sent to computing machine by the B port from the A port data to the B port data; Equally, when the wireless connections module has data input computing machine, the wireless connections module sends request to MCU, MCU receives the data that the wireless connections module is sent by the C port, these data are carried out protocol conversion, finish format conversion, at last data are sent to computing machine by the B port from the C port data to the B port data;
When computing machine has data to send the input and output processing module to, computing machine sends request to MCU, MCU is by B port receiving computer data, these data are carried out protocol conversion, finish the format conversion of B port data to the A port data, notify the input and output processing module ready simultaneously, at last data are write the input and output processing module by the A port; Equally, when computing machine had data to send the wireless connections module to, computing machine sent request to MCU, MCU is by B port receiving computer data, data are carried out protocol conversion, finish the format conversion of B port data, data are sent to the wireless connections module by the C port to the C port data.
In the above embodiment, between input and output processing module and the MCU, between wireless connections module and the MCU and the port between computing machine and the MCU have nothing in common with each other, therefore, MCU need be further used for the data of being transmitted are carried out protocol conversion, thereby realizes the format conversion of the data between dissimilar ports; In other embodiment of the utility model, if passing through each module of port and other of same type, MCU links to each other, then MCU can not possess the ability of data being carried out format conversion, does not influence realization of the present utility model.
Be example with input and output external unit equipment below, embodiment two be described in detail with RS232 interface:
Referring to Figure 13, in the present embodiment, input and output processing module and wireless connections module link to each other with MCU by serial data transceiver (UART) port respectively, and MCU links to each other with the RS232 port of computing machine behind level switch module by the UART port; Because three above connections all realize that by the UART port therefore, MCU can not carry out the Data Format Transform between the port; Wherein, described level switch module is used to finish the switching between computer interface level and the MCU interface level, in the present embodiment, and for carrying out the switching between RS232 interface level and the Transistor-Transistor Logic level; Below in conjunction with signal flow, be described in detail embodiment illustrated in fig. 13:
When the input and output processing module had data input computing machine, the input and output processing module sent request to MCU, and MCU receives the data of input and output processing module by the UART port, and is transmitted to computing machine; Equally, when the wireless connections module had data input computing machine, the wireless connections module sent request to MCU, and MCU receives the data that the wireless connections module sends by the UART port, and is transmitted to computing machine;
When computing machine had data to send the input and output processing module to, computing machine sent request to MCU, and MCU notifies peripheral hardware to be ready to by UART receiving computer data simultaneously, at last data is write the input and output processing module by the UART port; Equally, when computing machine had data to send wireless module to, computing machine sent request to MCU, and MCU sends to the wireless connections module by UART port receiving computer data.
Figure 14 is a circuit diagram embodiment illustrated in fig. 13, for convenience of description, only module relevant with present embodiment in this circuit diagram and annexation are introduced, because other module and connection thereof can adopt standard mode to realize, therefore, be not described in detail at this, wherein, the UART that USART among Figure 14 and preamble are mentioned is an identical concept:
In Figure 14, the input and output processing module is connected to the USART1 interface of this MCU, and the wireless connections module is connected to the USART2 interface of this MCU, and the USART0 interface of this MCU links to each other with computer interface through level conversion RS232 module; In the present embodiment, MCU with between the computing machine and MCU with all being to adopt the USART interface between wireless connections module and the input and output processing module, interface type is identical; In other embodiments, computing machine, input and output processing module or wireless connections module also can be connected respectively on the dissimilar interfaces of MCU, for example, the input and output processing module is connected on the SPI interface of MCU, computing machine is connected on the USART interface of MCU, in the case, MCU is further used for carrying out the format conversion between the different interface type data, thereby data are converted to the form that interface can transmit;
In Figure 14, MCU also links to each other with storage system by system bus, and this storage system is preserved operation wireless connections module and needed program of input and output processing module and data;
In Figure 14, MCU also comprises power module and clock module, is respectively MCU power supply and time are provided.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (22)
1, a kind of computing machine input and output external unit with wireless connections function comprises the input and output processing module, it is characterized in that this equipment further comprises wireless connections module and interface manifold, wherein:
A port of one end of interface manifold is connected with computing machine, the different port of the other end is connected respectively with the wireless connections module with described input and output processing module at least, being used for according to different communication request, is working port with the corresponding multiplexed port in the described different port;
The wireless connections module links to each other with other Wireless Telecom Equipment, is used for by via being connected of being set up between interface manifold and the computing machine, realizes communicating by letter between computing machine and other Wireless Telecom Equipment.
2, the computing machine input and output external unit with wireless connections function as claimed in claim 1, it is characterized in that, described computing machine input and output external unit is to have the external unit of supporting the point-to-multipoint communication protocol interface, described interface manifold is a usb hub, this usb hub comprises at least: uplink port, USB line concentration controller, first downlink port and second downlink port, wherein:
Uplink port links to each other with the computing machine USB interface, is used for the receiving computer usb signal;
The USB line concentration controller links to each other with uplink port, first downlink port and second downlink port respectively, is used to manage up and downgoing signal;
Two ports in output port on the USB line concentration controller, first downlink port and second downlink port link to each other with USB wireless connections module with described input and output processing module respectively, are used for to described input and output processing module and USB wireless connections module output downgoing signal.
3, the computing machine input and output external unit with wireless connections function as claimed in claim 2, it is characterized in that two ports in the output port on the described USB line concentration controller, first downlink port and second downlink port are connected to described input and output processing module and USB wireless connections module respectively:
The input and output processing module is connected on the input/output port of USB line concentration controller;
USB wireless connections module is connected on described first downlink port or second downlink port.
4, the computing machine input and output external unit with wireless connections function as claimed in claim 2, it is characterized in that two ports in the output port on the USB line concentration controller, first downlink port and second downlink port are connected to described input and output processing module and USB wireless connections module respectively:
The input and output processing module is connected on described first downlink port or second downlink port;
USB wireless connections module is connected on the input/output port of described USB line concentration controller.
5, the computing machine input and output external unit with wireless connections function as claimed in claim 2, it is characterized in that two ports in the output port on the USB line concentration controller, first downlink port and second downlink port are connected to described input and output processing module and USB wireless connections module respectively:
The input and output processing module is connected on any one port in described first downlink port and second downlink port;
USB wireless connections module is connected on the described another one downlink port.
6, the computing machine input and output external unit with wireless connections function as claimed in claim 2 is characterized in that the external unit of described support point-to-multipoint communication agreement is:
USB device, 1394 equipment or ethernet device.
7, the computing machine input and output external unit with wireless connections function as claimed in claim 1, it is characterized in that, described computing machine input and output external unit is the external unit with support point point to-point communication protocol interface, described interface manifold is central control unit module and memory module, wherein:
Memory module is used for preserving at least described wireless connections module and input and output processing unit access compunication moves needed program and data;
A port of CPU (central processing unit) module one end links to each other with computing machine, the different port of the other end is connected respectively with described input and output processing module, wireless connections module and memory module at least respectively, this CPU (central processing unit) module is used for according to different communication request, with the corresponding multiplexed port in the described different port is working port, obtain and described working port corresponding programs and data from memory module, and offer and the corresponding module of this working port.
8, the computing machine input and output external unit with wireless connections function as claimed in claim 7 is characterized in that, described CPU (central processing unit) module and/or memory module are internal or external in the described computing machine input and output external unit.
9, as claim 7 or 8 described computing machine input and output external units with wireless connections function, it is characterized in that, further comprise level switch module, be used to realize the mutual conversion between the level of the interface level of CPU (central processing unit) module and computer interface.
10, the computing machine input and output external unit with wireless connections function as claimed in claim 7 is characterized in that, described CPU (central processing unit) module is connected with computing machine, input and output processing module, wireless connections module and memory module and comprises:
The CPU (central processing unit) module adopts the port of same type to be connected with described computing machine, input and output processing module, wireless connections module and memory module respectively.
11, the computing machine input and output external unit with wireless connections function as claimed in claim 7 is characterized in that, described CPU (central processing unit) module is connected with computing machine, input and output processing module, wireless connections module and memory module and comprises:
The CPU (central processing unit) module adopts dissimilar ports to be connected with described computing machine, input and output processing module, wireless connections module and memory module respectively;
Described CPU (central processing unit) module is further used for carrying out the Data Format Transform of dissimilar ports.
12, the computing machine input and output external unit with wireless connections function as claimed in claim 7 is characterized in that, described external unit with support point point to-point communication protocol interface is:
Serial equipment and jaws equipment or infrared equipment.
13, the computing machine input and output external unit with wireless connections function as claimed in claim 1 is characterized in that described input and output processing module is a mouse module.
14, the computing machine input and output external unit with wireless connections function as claimed in claim 1 is characterized in that described input and output processing module is a Keysheet module.
15, the computing machine input and output external unit with wireless connections function as claimed in claim 1 is characterized in that described input and output processing module is a camera module.
16, the computing machine input and output external unit with wireless connections function as claimed in claim 1 is characterized in that described wireless connections module is the blue teeth wireless link block.
17, the computing machine input and output external unit with wireless connections function as claimed in claim 16 is characterized in that described blue teeth wireless link block comprises at least: low-power blue teeth wireless link block or high power blue teeth wireless link block.
18, the computing machine input and output external unit with wireless connections function as claimed in claim 1 is characterized in that described wireless connections module is the super wideband wireless link block.
19, the computing machine input and output external unit with wireless connections function as claimed in claim 18, it is characterized in that described super wideband wireless link block comprises at least: low-power ultra-wideband wireless connections module or high power super wideband wireless link block.
20, the computing machine input and output external unit with wireless connections function as claimed in claim 1 is characterized in that described wireless connections module is the radio universal serial bus module.
21, the computing machine input and output external unit with wireless connections function as claimed in claim 20, it is characterized in that described radio universal serial bus module comprises low-power wireless universal serial bus module or high power radio universal serial bus module at least.
22, the computing machine input and output external unit with wireless connections function as claimed in claim 1 is characterized in that described external unit comprises at least: wireless headset, wireless printer, radio facsimile machine or computing machine.
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| CN 200420117317 CN2745116Y (en) | 2004-11-12 | 2004-11-12 | Computer I/O peripheral equipment having wireless connecting function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200420117317 CN2745116Y (en) | 2004-11-12 | 2004-11-12 | Computer I/O peripheral equipment having wireless connecting function |
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| CN2745116Y true CN2745116Y (en) | 2005-12-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101946555B (en) * | 2007-12-21 | 2013-08-14 | 艾利森电话股份有限公司 | Technique for providing network access via multiple mobile platforms |
| CN103778771A (en) * | 2014-01-09 | 2014-05-07 | 毛军捷 | Portable wireless input-output device transceiver and utilization method thereof |
| CN107632725A (en) * | 2017-09-18 | 2018-01-26 | 合肥贯硕信息科技有限公司 | A kind of computer input |
| CN108172242A (en) * | 2018-01-08 | 2018-06-15 | 深圳市芯中芯科技有限公司 | A kind of improved blue-tooth intelligence cloud speaker interactive voice end-point detecting method |
| CN108363674A (en) * | 2018-04-03 | 2018-08-03 | 上海施嵌电子科技有限公司 | A kind of radio USB data interactive system and method |
| CN112015685A (en) * | 2019-05-28 | 2020-12-01 | 杭州炽鸟科技有限公司 | USB wireless relay extender and data transmission method thereof |
| CN113268100A (en) * | 2021-04-29 | 2021-08-17 | 中科慧远视觉技术(北京)有限公司 | Single-port multi-level input-output circuit and method |
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2004
- 2004-11-12 CN CN 200420117317 patent/CN2745116Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101946555B (en) * | 2007-12-21 | 2013-08-14 | 艾利森电话股份有限公司 | Technique for providing network access via multiple mobile platforms |
| CN103778771A (en) * | 2014-01-09 | 2014-05-07 | 毛军捷 | Portable wireless input-output device transceiver and utilization method thereof |
| CN107632725A (en) * | 2017-09-18 | 2018-01-26 | 合肥贯硕信息科技有限公司 | A kind of computer input |
| CN108172242A (en) * | 2018-01-08 | 2018-06-15 | 深圳市芯中芯科技有限公司 | A kind of improved blue-tooth intelligence cloud speaker interactive voice end-point detecting method |
| CN108172242B (en) * | 2018-01-08 | 2021-06-01 | 深圳市芯中芯科技有限公司 | Improved Bluetooth intelligent cloud sound box voice interaction endpoint detection method |
| CN108363674A (en) * | 2018-04-03 | 2018-08-03 | 上海施嵌电子科技有限公司 | A kind of radio USB data interactive system and method |
| CN108363674B (en) * | 2018-04-03 | 2024-04-26 | 上海施嵌电子科技有限公司 | Wireless USB data interaction system and method |
| CN112015685A (en) * | 2019-05-28 | 2020-12-01 | 杭州炽鸟科技有限公司 | USB wireless relay extender and data transmission method thereof |
| CN113268100A (en) * | 2021-04-29 | 2021-08-17 | 中科慧远视觉技术(北京)有限公司 | Single-port multi-level input-output circuit and method |
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