CN102012883B - Radio frequency synchronous communication method - Google Patents
Radio frequency synchronous communication method Download PDFInfo
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- CN102012883B CN102012883B CN200910192117A CN200910192117A CN102012883B CN 102012883 B CN102012883 B CN 102012883B CN 200910192117 A CN200910192117 A CN 200910192117A CN 200910192117 A CN200910192117 A CN 200910192117A CN 102012883 B CN102012883 B CN 102012883B
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Abstract
The invention relates to a radio frequency synchronous communication method comprising the following steps of: modulating a USB (Universal Serial Bus) synchronous clock pulse signal and a USB adapter clock pulse signal by a USB adapter arranged on a universal serial bus (USB) connection port of a host computer to generate a synchronous modulating signal; after a request of a radio peripheral device is received, transmitting the synchronous modulating signal to the radio peripheral device in a radio frequency encapsulation mode; and regulating the clock pulse signal of the radio peripheral device according to the synchronous modulating signal by the radio peripheral device, thereby the radio peripheral device can carry out radio frequency synchronous communication with the host computer. The method effectively alleviates the problems of data loss or data overflow because the host computer and the radio peripheral device can not be synchronized, thereby further increasing radio communication quality and efficiency.
Description
Technical field
The present invention relates to a kind of method of radio frequency synchronous communication, especially the method for the synchronous communication between host computer and the radio peripheral device.
Background technology
In recent years; Along with continually developing of high functionality wafer; In the computer applications field of stressing functional and lightness; The peripheral device that utilization has a radio frequency transfer function replaces and to reach the peripheral device that is connected electrically to the host computer purpose through connecting line or winding displacement traditionally and become very general, such as wireless mouse and Wireless Keyboard, wireless handwriting pad, wireless writing pencil, wireless headset or the like.Especially for the peripheral device of notebook computer, the space that not only can remove connecting line from can conveniently be carried simultaneously.
In the prior art, host computer generally is to convert the USB of host computer transmission message to radio-frequency signal through universal serial bus adapter (USB Dongle), thereby carries out the radio frequency communication with the peripheral device that is positioned at far-end.Because USB adapter and peripheral device have local work time pulse separately, so peripheral device can't be learnt the clock pulse of USB adapter, and can't guarantee that the operation of USB adapter and peripheral device reaches synchronously, cause data transmission that the problem of loss or overflow takes place.Wherein data runs off and to be meant that receiving end does not receive the complete data of transmitting terminal, and more than the data that the data transmitting terminal that the data overflow is then represented receiving end and received is sent, the data of receiving end comprises incorrect redundant data or false data.
The shortcoming of above-mentioned prior art is: the data transmission that when the radio peripheral device can't be with host computer synchronous operation, is caused is lost or the problem of data overflow; Can have a strong impact on radio communication quality and efficient; Even make peripheral device can't correctly be linked to host computer, or cause and link to lose efficacy and interrupt.Therefore, need a kind of operation and synchronous method of host computer that can make the radio peripheral device, thereby promote whole radio frequency communication quality, and guarantee that data transmission can not run off or benefit stream.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of method of radio frequency synchronous communication, with so that the radio peripheral device can carry out synchronous communication with host computer.The USB adapter is the USB Port that is connected host computer; And has the radio frequency transfer function; And the synchronous clock signal of USB (T_sof) in the initial data frame (Start ofFrame) that is contained in USB and USB adapter clock signal (T_dongle) carried out modulation to produce synchronous modulating signal (T_module); Can receive the request of constantly sending with radio frequency with Fixed Time Interval by the radio peripheral device; And after receiving the request of being somebody's turn to do; Synchronous modulating signal (T_module) is sent to the radio peripheral device with the mode of radio frequency package; This radio peripheral device makes radio peripheral device clock signal and synchronous modulating signal consistent (t_mouse=t_module) according to modulating signal (T_module) synchronously with adjustment radio peripheral device clock signal (t_mouse), to reach the purpose with the host computer synchronous communication; Effectively the improvement host computer with the radio peripheral device because can't the synchronous data loss that causes or the problem of data overflow, and then raising radio communication quality and efficient.
Description of drawings
Fig. 1 is the system schematic of the method for radio frequency synchronous communication of the present invention.
Fig. 2 is the process flow diagram of the method for radio frequency synchronous communication of the present invention.
Among the figure, 10. host computer; 12.USB Port; 15.USB adapter (Dongle); 20. radio peripheral device; S10. synchronous clock signal of modulation USB (T_sof) and USB adapter clock signal (T_dongle) are to produce synchronous modulating signal (T_module); S20. constantly send request; S30. transmit synchronous modulating signal (T_module); S40. according to the radio peripheral device clock signal (t_mouse) of modulating signal (T_module) adjustment synchronously; S50 repeats the operation of above step.
Embodiment
Below cooperate Figure of description and component symbol that embodiment of the present invention is done more detailed explanation.
See also Fig. 1, it is the system schematic of the method for radio frequency synchronous communication of the present invention.Method of the present invention is to make host computer 10 and radio peripheral device 20 can carry out the radio frequency synchronous communication.Wherein, host computer 10 has USB Port 12, and USB adapter (USB Dongle) 15 is connected USB Port 12 and has the USB transfer function.Radio peripheral device 20 is positioned at far-end, and USB adapter 15 all has the radio frequency transfer function with radio peripheral device 20.
Please consult Fig. 2 in the lump, it is the process flow diagram of the method for radio frequency synchronous communication of the present invention.As shown in Figure 2; At first 15 pairs of USB adapters are contained in initial data frame (the Start of Frame of USB; SOF) synchronous clock signal T_sof of the USB in and USB adapter clock signal T_dongle carry out the modulation operation to produce synchronous modulating signal T_module, shown in step S10.Wherein initial data frame (SOF) is to be produced at interval with regular time by host computer; USB 2.0 regulation should the time interval for full rate (Full Speed; 12Mbps) with two-forty (High Speed; 480Mbps) be respectively 1ms and 125us, and USB adapter clock signal T_dongle is the work time pulse of USB adapter 15.
For clearly demonstrating characteristic of the present invention, present embodiment is to be used as radio peripheral device 20 with the radio frequency mouse, and at full speed rate (Full Speed) as the USB transmission mode of radio peripheral device 20.The operation of above-mentioned modulation can be addition T_sof and T_Dongle, shown in following equation: T_module=T_sof+T_Dongle, such as T_sof=1ms during T_Dongle=120us, T_module=1.12ms.
Then; In step S20; The request that radio peripheral device 20 constantly sends with radio frequency with Fixed Time Interval; Then in step S30, USB adapter 15 is sent to radio peripheral device 20 with synchronous modulating signal T_module with the mode of radio frequency package after the request that receives radio peripheral device 20.Then, in step S40, radio peripheral device 20 receives the synchronous modulating signal T_module of USB adapter 15, and according to the radio of modulating signal T_module adjustment synchronously peripheral device clock signal t_mouse, and get into step S50.In step S50, get back to step S10 repeating the operation of above step, thereby dwindle or eliminate and the clock pulse difference T_diff between the modulating signal T_module synchronously.T_diff=t_mouse-T_module wherein, and then reach the function of carrying out synchronous communication with host computer 10.
Except that radio frequency computer optical mice, above-mentioned radio peripheral device 20 also can be radio frequency computor-keyboard, radio frequency computer trace ball, radio frequency Joystick of computer, radio frequency computer game handgrip, radio frequency computer earphone, radio frequency writing board for computer or radio frequency computer hand-writing pencil.
Method of the present invention can effectively improve and settlement computer main frame and radio peripheral device between because can't reach the data loss that synchronous communication causes or the problem of data overflow, and then improve the radio communication quality and the efficient of integral body.
The above person is merely in order to explain the preferred embodiment of this creation, is not that attempt is done any pro forma restriction to this creation according to this.Therefore, all have in following any modification or the change of doing relevant this creation of identical creation spirit, all must be included in the category of this creation intention protection.
Claims (10)
1. the method for a radio frequency synchronous communication; With so that host computer and radio peripheral device carry out the radio frequency synchronous communication; Wherein this host computer has the USB Port, and this USB Port connects the USB adapter, and this USB adapter has the USB transfer function; This radio peripheral device is positioned at far-end, and this USB adapter and this radio peripheral device all have the radio frequency transfer function;
This method may further comprise the steps:
(S10) this USB adapter carries out add operation mutually to the USB adapter clock signal of the synchronous clock signal of the USB among the SOF that is contained in USB and this USB adapter, and to produce synchronous modulating signal, this USB adapter clock signal is the work time pulse of USB adapter;
(S20) this radio peripheral device constantly sends request with Fixed Time Interval with radio frequency;
(S30) this USB adapter is after the request that receives this radio peripheral device, and this synchronous modulating signal is sent to this radio peripheral device with the mode of radio frequency package;
(S40) this radio peripheral device is according to the clock signal of this synchronous this radio peripheral device of modulating signal adjustment; And
(S50) repeating step (S10)-(S40), thus dwindle or eliminate the clock pulse difference between this radio peripheral device clock signal and this synchronous modulating signal, to realize this radio frequency synchronous communication.
2. the method for radio frequency synchronous communication as claimed in claim 1 is characterized in that: the synchronous clock signal of this USB is respectively 1ms and 125us when USB full rate and two-forty.
3. the method for radio frequency synchronous communication as claimed in claim 1 is characterized in that: this radio peripheral device is a radio frequency computer optical mouse.
4. the method for radio frequency synchronous communication as claimed in claim 1 is characterized in that: this radio peripheral device is a radio frequency computor-keyboard.
5. the method for radio frequency synchronous communication as claimed in claim 1 is characterized in that: this radio peripheral device is a radio frequency computer trace ball.
6. the method for radio frequency synchronous communication as claimed in claim 1 is characterized in that: this radio peripheral device is a radio frequency Joystick of computer.
7. the method for radio frequency synchronous communication as claimed in claim 1 is characterized in that: this radio peripheral device is a radio frequency computer game handgrip.
8. the method for radio frequency synchronous communication as claimed in claim 1 is characterized in that: this radio peripheral device is a radio frequency computer earphone.
9. the method for radio frequency synchronous communication as claimed in claim 1 is characterized in that: this radio peripheral device is a radio frequency writing board for computer.
10. the method for radio frequency synchronous communication as claimed in claim 1 is characterized in that: this radio peripheral device is a radio frequency computer hand-writing pencil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910192117A CN102012883B (en) | 2009-09-07 | 2009-09-07 | Radio frequency synchronous communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910192117A CN102012883B (en) | 2009-09-07 | 2009-09-07 | Radio frequency synchronous communication method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102012883A CN102012883A (en) | 2011-04-13 |
| CN102012883B true CN102012883B (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910192117A Expired - Fee Related CN102012883B (en) | 2009-09-07 | 2009-09-07 | Radio frequency synchronous communication method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018021961A1 (en) * | 2016-07-29 | 2018-02-01 | Razer (Asia-Pacific) Pte. Ltd. | Interface devices, methods for controlling an interface device, and computer-readable media |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6255800B1 (en) * | 2000-01-03 | 2001-07-03 | Texas Instruments Incorporated | Bluetooth enabled mobile device charging cradle and system |
| CN101043314A (en) * | 2006-03-20 | 2007-09-26 | 佛山市顺德区顺达电脑厂有限公司 | Method for synchronizing mobile communication of mobile communication equipment with time sequence frequency of wireless communication network system |
| CN101076987A (en) * | 2004-09-01 | 2007-11-21 | 梁德明 | Method and device for identifying the modulation format of a received signal |
-
2009
- 2009-09-07 CN CN200910192117A patent/CN102012883B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6255800B1 (en) * | 2000-01-03 | 2001-07-03 | Texas Instruments Incorporated | Bluetooth enabled mobile device charging cradle and system |
| CN101076987A (en) * | 2004-09-01 | 2007-11-21 | 梁德明 | Method and device for identifying the modulation format of a received signal |
| CN101043314A (en) * | 2006-03-20 | 2007-09-26 | 佛山市顺德区顺达电脑厂有限公司 | Method for synchronizing mobile communication of mobile communication equipment with time sequence frequency of wireless communication network system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018021961A1 (en) * | 2016-07-29 | 2018-02-01 | Razer (Asia-Pacific) Pte. Ltd. | Interface devices, methods for controlling an interface device, and computer-readable media |
| EP3491531A4 (en) * | 2016-07-29 | 2019-07-10 | Razer (Asia-Pacific) Pte Ltd. | Interface devices, methods for controlling an interface device, and computer-readable media |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102012883A (en) | 2011-04-13 |
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Granted publication date: 20120912 Termination date: 20160907 |