CN101419514A - Wireless mouse communication method - Google Patents
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- CN101419514A CN101419514A CNA2007100474436A CN200710047443A CN101419514A CN 101419514 A CN101419514 A CN 101419514A CN A2007100474436 A CNA2007100474436 A CN A2007100474436A CN 200710047443 A CN200710047443 A CN 200710047443A CN 101419514 A CN101419514 A CN 101419514A
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Abstract
The invention provides a wireless mouse communication method, a mouse detection device detects mouse movement or keystroke operation to generate mouse operation data; the mouse detection device transmits the mouse operation data to a receiver; the mouse operation data comprises a plurality of data frames; each data frame comprises a frame head, a data packet group and a frame end; the data packet group comprises a plurality of data packets; and the length of each data packet is fixed. The invention balances the practicability, the safety and the economy.
Description
Technical field
The invention belongs to the data communication field, relate to the means of communication of wireless mouse, relate in particular to the means of communication of the wireless mouse of a kind of 27MHz of being operated in.
Background technology
Along with day by day popularizing of notebook computer and large screen display, the use of wireless mouse more and more widely.Wireless mouse has become the first-selection of numerous consumers in installation or when configuration upgrading owing to its installation, carry, use all very convenient.
Wireless mouse is divided into transmitter (mouse itself) and receiver two parts.Mouse itself is equipped with infrared ray or transmitting set, and receiver is connected to the PS/2 port or the USB port of personal host computer by line.Operation is during mouse, and information will be by infrared ray or radio wave transmissions to personal host computer.
Data communication between mouse transmission and the receiver, main at present four kinds of technology---infrared technique, RF27MHz wireless technology, 2.4G blue tooth wireless technology, the 2.4G sealing agreement mechanics of communication of adopting.
(1) infrared technology is the initial period of wireless technology, and its technology is simple, production cost is low, has the advantage of PC of not being vulnerable to and peripheral hardware noise effect, and a lot of shortcomings is also arranged simultaneously.These shortcomings mainly are because the characteristic of the rectilinear propagation of light causes, and transmitter need be aimed at when using can not have barrier to stop etc. between receiver, transmitter and the receiver, and the distance of transmitter and receiver is shorter, is about 50 centimetres; Cause many restrictions in the time of can using to the user.
(2) RF 27MHz refers to a technology using 27MHz ISM (industry, science, medical science) wireless frequency band.The channel that four global ranges are arranged in this frequency band: wherein two are used for wireless mouse, and two other is used for Wireless Keyboard.The transmission of mouse data is unidirectional, promptly from the mouse to the receiver.Because the wireless device of other types (as wireless phone or Wireless Communication Equipment) seldom uses the 27MHz frequency, so the risk of disturbing from other equipment is seldom arranged.Two channels that keyboard and mouse have separately, also reduced in theory and near other Wireless Keyboards or mouse product between interference.RF 27MHz wireless technology started to walk the earliest, and Logitech Company just used this technology and releases the wireless mouse product as far back as 1994.Even to this day, RF 27MHz wireless technology has accumulated the technical experience in year surplus in the of ten, and Related product is comparative maturity.But still there is signal interference problem perplexing the development and the application of RF 27MHz wireless technology in actual the use always.
Compare with infrared mode, the great advantage of wireless system is: even information also can be transmitted smoothly across barrier in the centre.Therefore, can freely dispose receiver.Transmission range is also far away than infrared mode.
But also there is following shortcoming in wireless system: if adjacent PC is used a plurality of mouses and peripheral hardware, radio signal will the phase mutual interference.Therefore, in nearest mouse, by preparing two channels, selecting the one transmission signals to prevent and the interference of other electric wave.
In order to overcome the interference problem of 27MHz radio-frequency communication, brand-new 2.4GHz frequency band mechanics of communication has been born, and it has effectively solved the problem that interferes with each other between the equipment.The technology that is applied in the wireless mouse field at present mainly is: bluetooth (Bluetooth) wireless technology and 2.4G sealing agreement mechanics of communication.
(3) bluetooth (Bluetooth) wireless technology has convenience, reliable wireless connections mode.Have the wireless range longer than other wireless technologys: wireless transceiver and Bluetooth equipment are at a distance of nearly 10 meters.Its wireless security has 128 checkings of binary channels and variable encryption key length considerably beyond wireless 27MHz equipment, and connects the virtual cable function of individual host and a certain equipment.Have the standardization wireless protocols that industry is supported, can realize the compatibility between the distinct device.Owing to so high wireless signal of frequency is seldom arranged in the surroundings, does not disturb so the 2.4GHz connected mode can not be received signal substantially.The largest benefit of bluetooth mouse is exactly to utilize the built-in bluetooth module of notebook to link, and does not need to install separately signal receiving device.The 2.4G wireless mouse of Microsoft is all based on the bluetooth solution at present.
(4) 2.4G sealing agreement mechanics of communication then is the another kind of wireless telecommunications solution of rising in recent years.Utilize the open frequency range of 2.4GHz equally, the nRF2401/nRF2402 family chips that use Nordic Semiconductor company on hardware more, concrete communications protocol is then formulated voluntarily and is developed by each producer.This kind mechanics of communication has the transmission speed higher than bluetooth; Owing to be the cause of sealing technique, its security performance is higher; Most critical be that 2.4G sealing agreement mechanics of communication is with low cost, production firm need not will pay the patent royalties of great number as the use bluetooth, this is its one of the main reasons popular on market just also.With the peripherals manufacturer headed by sieve skill be this technology mainly push away passerby.
Certainly above two kinds of 2.4GHz technology are not perfect in every way yet.Though have stronger anti-interference in theory, but because 2.4GHz is an open frequency range in the world, the wireless phone of using always in the life, 802.11b/g wireless network card and the 802.11n WiFi agreement that also is in the draft stage, even modal micro-wave oven all is operated in this same frequency range.So in actual use, when the WiFi of certain channel network carried out the transmission of big throughput data, pausing appearred in some 2.4GHz mouses, the phenomenon of frame losing also happens occasionally.
Summary of the invention
The means of communication that the purpose of this invention is to provide a kind of wireless mouse that between practicality, security and economy, averages out.
To achieve these goals, the invention provides a kind of wireless mouse means of communication, the mouse pick-up unit detects mouse and moves or button operation, forms the mouse action data; Then, described mouse pick-up unit is given receiver above-mentioned mouse action data transmission; Described mouse action data comprise the plurality of data frame; Described each Frame includes a frame head, a data packet group and a postamble; Described data packet group comprises the plurality of data bag; Described each length of data package is fixed.
As a preferred embodiment of the present invention, described means of communication transmission data are formed by three layers, and top layer is a data trade, promptly described mouse action data; The middle layer is described plurality of data frame; Bottom is described packet.
As a preferred embodiment of the present invention, described wireless mouse is operated in 27MHz wireless frequency band.
As a preferred embodiment of the present invention, described mouse action data comprise 124 Frames being launched continuously.
As a preferred embodiment of the present invention, described 124 Frames comprise first Frame and other 123 Frames that the data form is identical.
As a preferred embodiment of the present invention, the frame head of described first Frame comprises that 13 cycles are 2
*The pulse of T Hz; Wherein, 1T=1/ baud rate.
As a preferred embodiment of the present invention, the frame head of the Frame that described 123 data forms are identical is 101,010 6 level signals, and time width is respectively T second, T second, T second, T second, T second, 1.75
*T second; Wherein, 1T=1/ baud rate.
As a preferred embodiment of the present invention, described postamble is for continuing the low level of 1.25 x T; Wherein, 1T=1/ baud rate.
As a preferred embodiment of the present invention, described data packet group comprises 7 packets.
As a preferred embodiment of the present invention, described 7 packets are respectively baud rate recognition data bag, mouse identification code data bag, mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet, corrected data packets.
As a preferred embodiment of the present invention, described 7 packet fixed order are followed successively by baud rate recognition data bag, mouse identification code data bag, mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet, corrected data packets.
As a preferred embodiment of the present invention, described 7 length of data package are 8bit.
As a preferred embodiment of the present invention, 2 kinds of baud rates of described baud rate recognition data bag support identification, the value of its 8 identification codes is respectively 0,110 1001 and 1,001 1100, its default value is 01101001.
As a preferred embodiment of the present invention, the default value of described mouse identification code data bag is 10111001.
As a preferred embodiment of the present invention, 8 positions of described mousebutton packet are followed successively by: X-axis displacement data sign bit, control signal keep position, the key signals that advances, back spacer signal, to sign indicating number push button signalling, left button signal, middle key signals, right button signal.
As a preferred embodiment of the present invention, back 4 positions of described mouse Z axial translation packet are followed successively by: control signal keeps the position, control signal keeps position, control signal reservation position, Y-axis displacement data sign bit.
As a preferred embodiment of the present invention, described mouse identification code data bag, mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet need to carry out the error correction computing before emission; The feedback function of described error correction computing be f (x0, x1, x2, x3, x4, x5, x6 x7)=x7^x5^x3^x1^x0^data_in, feeds back to x0; Wherein data_in is the serial data stream of packet b to f, and symbol " ^ " is represented XOR, and x0, x1, x2, x3, x4, x5, x6, x7 are followed successively by each position of packet.
As a preferred embodiment of the present invention, described mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet, error correction data need to carry out the scrambler computing before wrapping in emission; Described scrambler computing feedback function be f (x0, x1, x2, x3, x4, x5, x6 x7)=x7^x4, feeds back to X5; Wherein symbol " ^ " is represented XOR, and x0, x1, x2, x3, x4, x5, x6, x7 are followed successively by each position of packet.
As a preferred embodiment of the present invention, described mouse action comprises the displacement operation of code operations, button operation, serial mode, the displacement operation of integral mode.
As a preferred embodiment of the present invention, described data of data trade of code operations being launched continuously 124 frames; Comprise first Frame and other 123 Frames that the data form is identical.
As a preferred embodiment of the present invention, data trade of described button operation needs the data of emission 5 frames continuously; Comprise first Frame and other 4 Frames that the data form is identical.
As a preferred embodiment of the present invention, data trade of the displacement operation of described serial mode is the data of emission 5 frames continuously; Comprise first Frame and other 4 Frames that the data form is identical.
As a preferred embodiment of the present invention, data trade of the displacement operation of described integral mode is only launched first Frame.
As a preferred embodiment of the present invention, the frame head of described first Frame comprises that 13 cycles are 2
*The pulse of T Hz; Wherein, 1T=1/ baud rate.
Compared with prior art, the wireless mouse means of communication of the present invention's announcement have following beneficial effect:
1, the present invention has adopted ripe 27MHz radiotelegraphy, makes the radiating circuit of mouse and receiving circuit design, and periphery circuit design, can be fairly simple.
2, the present invention has adopted ripe 27MHz radiotelegraphy, make that the transmitter and the operating distance between the receiver of mouse are 2 meters, though shorter than 10 meters operating distances of 2.4GHz technology, reality can satisfy most operating positions, and cost reduces significantly.
3, the present invention has adopted ripe 27MHz radiotelegraphy, middlely between the transmitter of mouse and the receiver also can transmit information smoothly across barrier even make.Therefore, can freely dispose receiver, transmission range is also far away than 0.5 meter of infrared mode.
4, the present invention has supported multiple baud rate, can help designing whole wireless mouse according to actual conditions, selects to be operated in the special-purpose frequency ranges of 2 27MHz mouses, reduced and near other Wireless Keyboards or mouse product between interference.
5, the present invention has adopted lower baud rate, under the situation that the data transmission that satisfies this low speed computer human interface devices of mouse requires, has reduced the power consumption of mouse radiating circuit, has prolonged the serviceable life of battery.
6, the present invention has reduced the power consumption of mouse radiating circuit owing to under the different mouse operating positions, adopted the transmission of different pieces of information frame number, has prolonged the serviceable life of battery.
7, because the length of packet ID is 8bit,, strengthened antijamming capability greatly so 256 ID can be provided.
8, because button data bag and Z axis data packet length all are 8bit, and the actual key data need only 6bit, and the Z axis data is as long as 4bit so other of these two packets can be used for transmitting extra control information, has improved dirigibility and the extendability used.
9, since the transmission The data reverse non-return-to-zero (NRZI) coding techniques, so between wireless mouse radiating circuit and receiving circuit, can omit extra synchronizing clock signals.
10, the present invention has carried out scrambler computing and Cyclical Redundancy Check (CRC) technology to the data of transmission, has improved safety of data transmission greatly.
Description of drawings
Fig. 1 is the composition synoptic diagram of mouse action data in the means of communication of the present invention.
Embodiment
Below in conjunction with drawings and Examples the present invention is done concrete introduction.
See also Fig. 1, the present invention has introduced the wireless mouse means of communication of a kind of 27MHz of being operated in, and in this method, the mouse pick-up unit detects mouse and moves or button operation, forms the mouse action data; Described mouse action data comprise 124 Frames; Each Frame includes a frame head, a data packet group and a postamble; Described data packet group comprises 7 packets; Each length of data package is fixed, and is 8bit.Transmit the reverse non-return-to-zero coding technology of above-mentioned The data.
Described 124 Frames comprise first Frame and other 123 Frames that the data form is identical.The frame head of first Frame comprises that 13 cycles are 2
*The pulse of T Hz; Wherein, 1T=1/ baud rate.The frame head of the Frame that other 123 data forms are identical is 101,010 6 level signals, and time width is respectively T second, T second, T second, T second, T second, 1.75
*T second; In the present embodiment, the concrete real data of T can change, and the baud rate in being used by reality decides the 1T=1/ baud rate.
Described 7 packet fixed order are followed successively by baud rate recognition data bag, mouse identification code data bag, mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet, corrected data packets.
2 kinds of baud rates of described baud rate recognition data bag support identification, the value of its 8 identification codes is respectively 0,110 1001 and 1,001 1100, its default value is 0,110 1001.
The default value of described mouse identification code data bag is 1,011 1001.
8 positions of described mousebutton packet are followed successively by: X-axis displacement data sign bit, control signal keep position, the key signals that advances, back spacer signal, to sign indicating number push button signalling, left button signal, middle key signals, right button signal.
Back 4 positions of described mouse Z axial translation packet are followed successively by: control signal keeps the position, control signal keeps position, control signal reservation position, Y-axis displacement data sign bit.
Described means of communication transmission data are formed by three layers, and top layer is a data trade, promptly described mouse action data; The middle layer is described plurality of data frame; Bottom is described packet.
The present invention can be divided into four kinds of data trades according to the real work situation: to the displacement operation of code operations, button operation, serial mode, the displacement operation of integral mode.Below introduce the step of each data trade respectively.
One, to the code operations step:
1.1 launch first Frame.
First Frame is a data trade beginning frame, comprises frame head, 7 packets and a postamble.The frame head of its Frame is longer, is that 13 cycles are 2
*T Hz pulse;
7 packets are followed successively by: baud rate recognition data bag Baud, mouse identification code data bag ID, mousebutton packet K, mouse X-axis displacement data bag X, mouse Y-axis displacement data bag Y, mouse Z axial translation packet Z, corrected data packets CRC.
Described mouse identification code data bag, mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet need to carry out the error correction computing before emission; The feedback function of described error correction computing be f (x0, x1, x2, x3, x4, x5, x6 x7)=x7^x5^x3^x1^x0^data_in, feeds back to x0; Wherein data_in is the serial data stream of packet b to f, and symbol " ^ " is represented XOR, and x0, x1, x2, x3, x4, x5, x6, x7 are followed successively by each position of packet.
Described mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet, error correction data need to carry out the scrambler computing before wrapping in emission; Described scrambler computing feedback function be f (x0, x1, x2, x3, x4, x5, x6 x7)=x7^x4, feeds back to X5; Wherein symbol " ^ " is represented XOR, and x0, x1, x2, x3, x4, x5, x6, x7 are followed successively by each position of packet.
Postamble is for continuing 1.25
*The low level of T Hz.
1.2 launch second Frame.
Second Frame is the normal frame of data trade, compares with the beginning frame, and it is shorter that the difference of data layout only is embodied in frame head, and the composition of data packet group is all the same with the beginning frame with order, postamble.
Frame head is 101,010 6 continuous level signals, and time width is respectively T second, T second, T second, T second, T second, 1.75 x T seconds.
1.3 1.2 frame format sends 122 remaining frame data continuously successively set by step.
After wireless mouse is finished code operations, just can carry out normal displacement, conventional mouse action such as button.
Two, button operation step:
When carrying out button operation, one time data trade needs the data of emission 5 frames continuously:
Promptly start frame data 2.1 launch first Frame;
2.2 launching second Frame is normal frame data;
2.3 2.2 frame format sends 3 remaining frame data continuously successively set by step.
More than all frame formats fully consistent with corresponding frame format in the code matching part branch.
Three, the displacement operation step of serial mode:
When carrying out displacement operation, if radiating circuit is operated in serial mode, then a data trade needs the data of emission 5 frames continuously equally:
Promptly start frame data 3.1 launch first Frame;
3.2 launching second Frame is normal frame data;
3.3 3.2 frame format sends 3 remaining frame data continuously successively set by step;
More than all frame formats fully and code matching part divide in the frame format of correspondence consistent.
Four, the displacement operation step of integral mode:
When carrying out displacement operation, if radiating circuit is operated in integral mode, then a data trade only need be launched 1 frame beginning frame data.
Certainly, the present invention is not restricted to the embodiment of above embodiment explanation.Can comprise as, mouse action data and to surpass or to be less than 124 Frames; Except that first Frame, the frame head in other Frames also can be different; The data packet group of Frame can comprise and surpasses or be less than 7 packets.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only.Any modification or partial replacement that does not break away from spirit and scope of the invention all should be encompassed in the middle of the claim scope of the present invention.
Claims (24)
1, a kind of wireless mouse means of communication, the mouse pick-up unit detects mouse and moves or button operation, forms the mouse action data; Then, described mouse pick-up unit is given receiver above-mentioned mouse action data transmission; It is characterized in that:
Described mouse action data comprise the plurality of data frame;
Described each Frame includes a frame head, a data packet group and a postamble;
Described data packet group comprises the plurality of data bag;
Described each length of data package is fixed.
2, the wireless mouse means of communication as claimed in claim 1 is characterized in that, described means of communication transmission data are formed by three layers, and top layer is a data trade, promptly described mouse action data; The middle layer is described plurality of data frame; Bottom is described packet.
3, the wireless mouse means of communication as claimed in claim 1 is characterized in that, described wireless mouse is operated in 27M Hz wireless frequency band.
4, the wireless mouse means of communication as claimed in claim 1 is characterized in that, described mouse action data comprise 124 Frames being launched continuously.
5, the wireless mouse means of communication as claimed in claim 4 is characterized in that, described 124 Frames comprise first Frame and other 123 Frames that the data form is identical.
6, the wireless mouse means of communication as claimed in claim 5 is characterized in that, the frame head of described first Frame comprises the pulse that 13 cycles are 2*T Hz; Wherein, 1T=1/ baud rate.
7, the wireless mouse means of communication as claimed in claim 5 is characterized in that, the frame head of the Frame that described 123 data forms are identical is 101,010 6 level signals, and time width is respectively T second, T second, T second, T second, T second, 1.75*T second; Wherein, 1T=1/ baud rate.
8, the wireless mouse means of communication as claimed in claim 1 is characterized in that, described postamble is for continuing the low level of 1.25 x T; Wherein, 1T=1/ baud rate.
9, as the claim 1 or 2 or 3 or 4 or 5 or 6 or the 7 or 8 described wireless mouse means of communication, it is characterized in that described data packet group comprises 7 packets.
10, the wireless mouse means of communication as claimed in claim 9, it is characterized in that described 7 packets are respectively baud rate recognition data bag, mouse identification code data bag, mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet, corrected data packets.
11, the wireless mouse means of communication as claimed in claim 10, it is characterized in that, described 7 packet fixed order are followed successively by baud rate recognition data bag, mouse identification code data bag, mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet, corrected data packets.
12, the wireless mouse means of communication as claimed in claim 10 is characterized in that, described 7 length of data package are 8bit.
13, the wireless mouse means of communication as claimed in claim 12 is characterized in that, 2 kinds of baud rates of described baud rate recognition data bag support identification, and the value of its 8 identification codes is respectively 01101001 and 10011100, its default value is 01101001.
14, the wireless mouse means of communication as claimed in claim 12 is characterized in that, the default value of described mouse identification code data bag is 10111001.
15, the wireless mouse means of communication as claimed in claim 12, it is characterized in that 8 positions of described mousebutton packet are followed successively by: X-axis displacement data sign bit, control signal keep position, the key signals that advances, back spacer signal, to sign indicating number push button signalling, left button signal, middle key signals, right button signal.
16, the wireless mouse means of communication as claimed in claim 12 is characterized in that, back 4 positions of described mouse Z axial translation packet are followed successively by: control signal keeps the position, control signal keeps position, control signal reservation position, Y-axis displacement data sign bit.
17, the wireless mouse means of communication as claimed in claim 12, it is characterized in that described mouse identification code data bag, mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet need to carry out the error correction computing before emission; The feedback function of described error correction computing be f (x0, x1, x2, x3, x4, x5, x6 x7)=x7^x5^x3^x1^x0^data_in, feeds back to x0; Wherein data_in is the serial data stream of packet b to f, and symbol " ^ " is represented XOR, and x0, x1, x2, x3, x4, x5, x6, x7 are followed successively by each position of packet.
18, the wireless mouse means of communication as claimed in claim 12, it is characterized in that described mousebutton packet, mouse X-axis displacement data bag, mouse Y-axis displacement data bag, mouse Z axial translation packet, error correction data need to carry out the scrambler computing before wrapping in emission; Described scrambler computing feedback function be f (x0, x1, x2, x3, x4, x5, x6 x7)=x7^x4, feeds back to X5; Wherein symbol " ^ " is represented XOR, and x0, x1, x2, x3, x4, x5, x6, x7 are followed successively by each position of packet.
19, the wireless mouse means of communication as claimed in claim 1 is characterized in that, described mouse action comprises the displacement operation of code operations, button operation, serial mode, the displacement operation of integral mode.
20, the wireless mouse means of communication as claimed in claim 19 is characterized in that, described data of data trade of code operations being launched continuously 124 frames.
21, the wireless mouse means of communication as claimed in claim 19 is characterized in that, data trade of described button operation needs the data of emission 5 frames continuously; Comprise first Frame and other 4 Frames that the data form is identical.
22, the wireless mouse means of communication as claimed in claim 19 is characterized in that, data trade of the displacement operation of described serial mode is the data of emission 5 frames continuously; Comprise first Frame and other 4 Frames that the data form is identical.
23, the wireless mouse means of communication as claimed in claim 19 is characterized in that, data trade of the displacement operation of described integral mode is only launched first Frame.
24, as the claim 20 or 21 or the 22 or 23 described wireless mouse means of communication, it is characterized in that the frame head of described first Frame comprises the pulse that 13 cycles are 2*T Hz; Wherein, 1T=1/ baud rate.
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| CN2007100474436A CN101419514B (en) | 2007-10-26 | 2007-10-26 | Wireless mouse communication method |
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|---|---|---|---|
| CN2007100474436A CN101419514B (en) | 2007-10-26 | 2007-10-26 | Wireless mouse communication method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989243A (en) * | 2009-07-31 | 2011-03-23 | 盛群半导体股份有限公司 | Data transmission method between integrated circuits |
| CN103870027A (en) * | 2013-12-11 | 2014-06-18 | 南京理工大学连云港研究院 | Mouse capable of creating wifi hot spot |
| CN102096481B (en) * | 2009-12-11 | 2014-07-30 | 詹益忠 | Radio computer pen device |
| CN112516585A (en) * | 2020-11-25 | 2021-03-19 | 珠海市智迪科技股份有限公司 | Method for triggering signal by using virtual optical micro-motion key |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6760773B1 (en) * | 2000-07-31 | 2004-07-06 | Lite-On Technology Corporation | Infrared transmission codes for wireless keyboard and PC remote controller |
| CN1200359C (en) * | 2001-11-14 | 2005-05-04 | 光宝科技股份有限公司 | Single frequency wireless peripheral equipment transmission protocol coding and recognizing method and system thereof |
-
2007
- 2007-10-26 CN CN2007100474436A patent/CN101419514B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989243A (en) * | 2009-07-31 | 2011-03-23 | 盛群半导体股份有限公司 | Data transmission method between integrated circuits |
| CN102096481B (en) * | 2009-12-11 | 2014-07-30 | 詹益忠 | Radio computer pen device |
| CN103870027A (en) * | 2013-12-11 | 2014-06-18 | 南京理工大学连云港研究院 | Mouse capable of creating wifi hot spot |
| CN112516585A (en) * | 2020-11-25 | 2021-03-19 | 珠海市智迪科技股份有限公司 | Method for triggering signal by using virtual optical micro-motion key |
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| Publication number | Publication date |
|---|---|
| CN101419514B (en) | 2010-10-13 |
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