CN100390748C - Interference prevention method for electronic apparatus receiving and transmitting signal - Google Patents
Interference prevention method for electronic apparatus receiving and transmitting signal Download PDFInfo
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- CN100390748C CN100390748C CNB2004100864058A CN200410086405A CN100390748C CN 100390748 C CN100390748 C CN 100390748C CN B2004100864058 A CNB2004100864058 A CN B2004100864058A CN 200410086405 A CN200410086405 A CN 200410086405A CN 100390748 C CN100390748 C CN 100390748C
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Abstract
The present invention relates to a method for preventing interference with signal sending and reception of electronic devices. The method is characterized in that all kinds of electronic devices having the function of wireless radio frequency signal frequency identification send out signals to a host machine in a unidirectional direction. In a given scanning period, a receiving unit which is connected with the host machine gives a plurality of detection sequences corresponding to the electronic devices; in each detection sequence, unidirectional sending signals of a plurality of electronic operation devices of a corresponding specified electronic device are sequentially scanned and received, transmission signal frequencies of electronic input devices of single or a plurality of sending signals of the electronic device are automatically compared and identified, and detection identification and interference prevention of the signals sent out by a unidirectional sending demultiplexing electronic device are carried out.
Description
Technical field
The present invention relates to a kind of electronic apparatus receiving and transmitting signal and prevent the method disturbed, relate in particular to and a kind ofly be utilized as the different identification signal frequencies that a plurality of operating equipments produce in the various types of electronic equipment at the signal transmitting terminal, utilize the detection sequential division of labor automatic switchover of a plurality of settings of scan period to detect at signal receiving end, each is detected sequential and a kind of electronic equipment of detection, and repeatedly the signal of unidirectional emission is corresponding, and compare identification automatically, to avoid the frequency interferences between signal that electronic equipment launches simultaneously and the method for signal identification difficulty.
Background technology
The configuration and the use of computing machine at present, because the restriction on equipment cost and the space, main frame of normal employing connects electronic equipments such as a plurality of mouses, keyboard, telepilot, acoustic input dephonoprojectoscope, provides many people to utilize a plurality of input equipments to share a main frame; Or, connect electronic equipments such as mouse, keyboard, telepilot, acoustic input dephonoprojectoscope respectively for cooperating multimedia function.Traditionally, it is by medium and the control of switch as the signal transmission that known described a plurality of electronic equipments are connected with the signal transmission of computing machine, and this connection transmission is wired, in concrete connection and use, can be subjected to the restriction of connecting line length, also there is the mixed and disorderly problem of vision in connecting line in wiring and aspect safeguarding, its impeding property and line body imperfect maintenance or damaged by rats etc. also can cause the problems such as bad of transmitting.
Maturation along with the wireless receiving and dispatching transmission technology, such as radio frequency (RF) wireless transmit-receive technology and have the WLAN LAN of two-way multi-channel signal transmitting-receiving and blue teeth wireless transmit-receive technology etc., be applied to electronic equipment, as mouse, keyboard, telepilot, the signal emission of acoustic input dephonoprojectoscope (as wireless microphone etc.) etc. and intercomputer with receive, and adopt 2.4GHz is its signal transmitting and receiving frequency specification more, therefore, when in a certain regional extent, when having a plurality of electronic equipments to transmit simultaneously, the phase mutual interference of frequency between each electronic equipment signal will be produced, make main frame can't judge that the signal that is received is launched by which electronic equipment maybe to discern correct signal content, cause the difficulty in the use.
Content of the present invention
One of fundamental purpose of the present invention provides a kind of electronic apparatus receiving and transmitting signal and prevents the method disturbed, and the various types of electronic equipment with radio frequency identification signal frequency function unidirectionally transmits to main frame; The receiving element that is connected with main frame, set in the scan period one, set the corresponding detection sequential of a plurality of and various types of electronic equipment, detect in the sequential in each that set, scanning receives the repeatedly emission of corresponding electronic appliance or the signal of wherein a plurality of electronic operation equipment unidirectional emission successively, and compare the single or multiple identification signal frequencies that transmit of this kind of identification electronic equipment automatically, carry out unidirectional emission and divide the work the detection identification and the interference of signal of electronic equipment emission for a long time and prevent.
The invention provides a kind of electronic apparatus receiving and transmitting signal and prevent the method disturbed, this method comprises:
Set various types of electronic equipment and reach the different identification signal frequencies that a plurality of electronic operation equipment independently produce in various types of, form the emission of consecutive signal with data, the order of electronic equipment input;
The receiving element setting signal scan period that is connected with main frame, set a plurality of and corresponding detection sequential of each class of electronic devices in this cycle;
Receiving element detects according to the sequential automatic switchover that respectively detects of signal scan cycle;
Electronic equipment emission consecutive signal;
Receiving element detects and receives the consecutive signal that corresponding electronic appliance is launched in a detection sequential in detecting sequential automatic switchover detection;
Receiving element is according to the identification signal frequency of the various types of electronic equipment and the electronic operation equipment thereof of default storage, with the identification of comparing of the identification signal frequency in the received signal;
If identification is correct, then continue to receive the input data or the command signal of electronic equipment emission.
Brief description of drawings
Fig. 1 is the signal transmitting and receiving Organization Chart of the specific embodiment of the invention;
Fig. 2 is that the identification signal frequency of specific embodiment of the invention electronic operation equipment is formed synoptic diagram;
Fig. 3 is the composition synoptic diagram of a plurality of change detection sequential in specific embodiment of the invention receiving element one sense cycle;
Fig. 4 is the input and the discrimination method process flow diagram of the specific embodiment of the invention.
In the accompanying drawing, the list of parts of each label representative is as follows:
1-main frame 2-electronic equipment
11-receiving element 21-electronic operation equipment
22-identification frequency generator 300～310-flow process
Embodiment
In order to make those skilled in the art further understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, accompanying drawing only provide with reference to and usefulness is described, be not to be used for limiting the present invention.
Fig. 1 prevents the signal transmitting and receiving Organization Chart of the method disturbed for specific embodiment of the invention electronic apparatus receiving and transmitting signal, this signal transmitting and receiving framework comprises: the receiving element 11 that connects main frame 1, and a plurality of various types of electronic equipments 2 that contain the wireless signal transmission function, include a plurality of identical electronic operation equipment 21 in the various types of electronic equipment 2, can operate by the user and launch the signal of input data or order.
Described various types of electronic equipment 2, in the specific embodiment framework, can be kinds such as mouse, keyboard, telepilot, acoustic input dephonoprojectoscope, and included electronic operation equipment 21 is a plurality of electronic equipments of identical type in the various types of electronic equipment 2, comprise in a plurality of mouses, the keyboard classes electronic equipment and comprise in a plurality of telepilots, the acoustic input dephonoprojectoscope kind class of electronic devices in a plurality of keyboards, the telepilot kind class of electronic devices and comprise a plurality of acoustic input dephonoprojectoscopes as in mouse kind class of electronic devices, comprising, import data or command signal emission so that many people to be provided.
Various types of electronic equipment 2 and the default respectively independent different identification signal frequencies that produce of a plurality of identical electronic input apparatus 21 that is comprised are in order to form the emission of consecutive signal with input data, order; This independently the identification signal frequency be the pressing operation that the identification frequency generator 22 of the electronic operation equipment 21 of use device in various types of electronic equipment 2 receives users, directly produce with random number way, various types of electronic equipment 2 these identification signal frequencies of emission, receive and storage the comparison identification when future, signal received by described receiving element 11.
Described identification signal frequency, in specific embodiment, comprise equipment identification code (PID) and time identification code (ID), in order to the input data of electronic operation equipment, command group becomes a succession of signal and launches, as shown in Figure 2, wherein the equipment identification code is the different Identification Data of various types of electronic equipment 2, as mouse, keyboard, telepilot, acoustic input dephonoprojectoscopes etc. have been set the identification code respectively when dispatching from the factory, so identical electronic operation equipment, may there be identical equipment identification code, inferior identification code then is to be produced with random number way at each electronic operation equipment 21 intrinsic identification frequency generator 22 by device, so that each electronic operation equipment 21 has independent and different identification codes; Equipment identification code and time identification code are respectively that a plurality of positions rearrange, in specific embodiment, can adopt 4bit, 5bit, 6bit... etc., the composition of the permutation code of can obtain 24,25 so respectively, 26... is different, offer various types of electronic equipment 2 and included a plurality of electronic operation equipment 21 and rearrange the unlike signal frequency, make various types of electronic equipment 2 and included a plurality of electronic operation equipment 21 have the different pieces of information frequency and carry out data transmission by different equipment identification codes and time identification code.
The described receiving element 11 that is connected in main frame 1, in specific embodiment of the invention framework, it is the receiving end of a RF transmit-receive technology, input data, the command signal of described various types of electronic equipment 2 of unidirectional reception and 21 emissions of a plurality of electronic operation equipment, and receiving element 11 carries out the detection and the reception of signal according to the continuous change detection sequential of setting of scan period at any time.
The input receive mode of described receiving element 11, mainly be to cooperate software program to set the scan period, for example every 20ms is that therefore a sense cycle (does not produce restriction to the present invention, also can adopt setting cycle At All Other Times), and continue the change detection that circulates, this scan period, the further division of labor was set at a plurality of detection sequential, the division of labor is that three detection sequential are that example describes as shown in Figure 3, receiving element 11 is in a scan period, switch different detection sequential successively and carry out input, each detects sequential and is set to corresponding with a certain class of electronic devices 2 respectively, for example the first detection sequential is set at and receives corresponding with transmitting of mouse, second detects sequential is set at corresponding with the reception that transmits of keyboard, the 3rd detects sequential is set at corresponding with the reception that transmits of telepilot, detection sequential in a certain setting only detects and receives a kind of signal of electronic equipment, do not detect and receive the signal of other kind class of electronic devices, and in this detection sequential, can detect and receive the transmitting of repeatedly (about 8 times or more than) of a plurality of electronic operation equipment 21 in this kind class of electronic devices, therefore, the actual detection sequential is switched and input to a plurality of electronic operation equipment 21 in the various types of electronic equipment 2, its conversion and detection speed are quickish, can reach the once above speed of microsecond approximately, in the detection sequential of setting, receive the signal of a plurality of electronic operation equipment 21 emission of the electronic equipment 2 of corresponding kind, identification signal frequency according to default each electronic operation equipment 21 of storing, the identification of comparing, thus the interference of electronic apparatus receiving and transmitting frequency avoided.
Prevent that according to the electronic apparatus receiving and transmitting signal of embodiment of the present invention method framework and the input disturbed from receiving the identification mode, below describe the operating process that electronic apparatus receiving and transmitting signal of the present invention prevents the method disturbed in detail by input, reception, the discrimination method flow process conjunction with figs. of a preferred embodiment.
Fig. 4 has described input, reception, the identification flow process that electronic apparatus receiving and transmitting signal of the present invention prevents a preferred embodiment of the method disturbed.The user in advance with various types of electronic equipment 2 and in various types of electronic equipment 2 a plurality of electronic operation equipment 21 utilize identification frequency generator 22 to produce independently different separately identification signal frequencies with random number way, and, receive and storage by receiving element 11 with this identification signal frequency emission.
The receiving element that is connected with main frame utilizes the software program setting signal scan period, and further sets a plurality of detection sequential in the scan period, and the correspondence kind class of electronic devices 2 of each detection sequential, as flow process 300;
Receiving element 11 is according to the signal scan cycle of setting, and automaticallyes switch respectively to detect sequential and carry out the detection that transmits of various types of electronic equipment 2, as flow process 302;
Electronic equipment 2 and 21 emissions of electronic operation equipment contain identification signal frequency and the consecutive signal of importing data, order composition, as flow process 304;
Receiving element 11 detects and receives the consecutive signal emission of the single or multiple (about 8 times or more than) of described electronic operation equipment 21, as flow process 306 in a certain detection sequential;
Receiving element 11 is according to the identification signal frequency of various types of electronic equipment 2 and a plurality of electronic operation equipment 21 thereof of default storage, with the identification of comparing of the identification signal frequency in the consecutive signal of electronic operation equipment 21 emissions, as flow process 308;
If identification is correct, then input data, the command signal of 21 emissions of electronic operation equipment are normally received, as flow process 310.
The detection that the present invention transmits according to described various types of electronic equipment and a plurality of electronic operation equipment, receive, identification flow process and method, utilize receiving element 11 in sense cycle, to switch fast and the distinct electronic apparatuses corresponding detection sequential that transmits, the independence of each electronic operation apparatus settings and different identification signal frequencies and input data, consecutive signal and emission are formed in order, receiving element detects the signal that sequential only receives single electronic equipment emission at each, with the identification of comparing of the signal of this reception and each electronic operation equipment identification signal frequency, disturb and signal identification difficulty in order to prevent emission of electronic equipment signal and the signal frequency that receives.
The above only is the preferred embodiments of the present invention, be not so promptly limit claim of the present invention, the equivalent structure transformation that every utilization instructions of the present invention and accompanying drawing content are done, or directly or indirectly be used in other relevant technical field, all in like manner be included in the claim of the present invention.
Claims (12)
1. the method that electronic apparatus receiving and transmitting signal prevents to disturb is characterized in that, described method comprises: utilize various types of electronic equipment with radio frequency identification signal frequency function, and unidirectional to the mutually different knowledge frequency signal of debating of main frame transmission frequency; Utilize the receiving element that is connected with main frame, in a scan round cycle of setting, automatically switch and the corresponding detection sequential of various types of electronic equipment, carry out input and reception; Scanning receive corresponding setting kind class of electronic devices repeatedly or the consecutive signal of a plurality of electronic operation equipment unidirectional emission; Automatically according to the identification signal frequency of each electronic operation equipment of default storage, the identification signal frequency in the described consecutive signal of comparison identification is carried out unidirectional emission and is divided the work the detection identification and the interference of signal of electronic equipment emission for a long time and prevent.
2. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents from the method disturbed to it is characterized in that described receiving element cooperates software program to set the round-robin scan period.
3. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents from the method disturbed to it is characterized in that the described scan period further includes a plurality of detection sequential, is automaticallyed switch in the scan period by described receiving element, detects and received signal.
4. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents the method disturbed, it is characterized in that, in the described scan period each detects sequential, the corresponding a kind of class of electronic devices of difference, only transmitting of described corresponding electronic appliance detected and received in described detection sequential, the input of finishing the sequential division of labor is in case the stop signal interference.
5. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents from the method disturbed to it is characterized in that, described each detect in sequential, carry out the repeatedly detection and the reception of the signal of emission of described electronic equipment and described a plurality of electronic operation equipment.
6. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents the method disturbed, it is characterized in that, the identification signal frequency of described electronic operation equipment, be to start by the identification frequency generator that is contained in described electronic operation equipment, produce with random number way, described electronic equipment is launched described identification signal frequency, is received and storage by described receiving element, uses for the identification comparison; Described identification frequency generator is a button.
7. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents from the method disturbed to it is characterized in that the emission of consecutive signal is formed in data, the order of described identification signal frequency and the input of electronic operation equipment.
8. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents the method disturbed, it is characterized in that, the different identification signal frequencies that described each electronic operation equipment produces comprise equipment identification code and time identification code, and described equipment identification code and described identification code are rearranged by a plurality of positions respectively.
9. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents the method disturbed, it is characterized in that, described identification signal frequency comprises the equipment identification code of representing described electronic equipment and the inferior identification code of representing each electronic operation equipment described in the described electronic equipment, and described equipment identification code and described identification code are rearranged by a plurality of positions respectively.
10. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents from the method disturbed to it is characterized in that described electronic equipment is mouse, keyboard, telepilot or acoustic input dephonoprojectoscope.
11. electronic apparatus receiving and transmitting signal as claimed in claim 1 prevents the method disturbed, it is characterized in that the electronic operation equipment that described various types of electronic equipment comprises is a plurality of mouses, keyboard, telepilot or acoustic input dephonoprojectoscope identical in this kind class of electronic devices.
12. the method that electronic apparatus receiving and transmitting signal prevents to disturb is characterized in that, described method comprises:
The user produces and sets independent separately different identification signal frequency by the identification frequency generator of each electronic operation equipment in the various types of electronic equipment, and launches described identification signal frequency by electronic equipment, is received and storage by receiving element;
The described receiving element that connects main frame, setting signal scan period, and further set the described scan period and comprise a plurality of detection sequential, described each detect the detection that the corresponding a kind of class of electronic devices of sequential transmits;
Described receiving element is according to the signal scan cycle of described setting, and the described sequential that respectively detects that automaticallyes switch is carried out the detection that described various types of electronic equipment transmits;
The consecutive signal that described electronic equipment and the emission of electronic operation equipment are made up of identification signal frequency and input data, order;
Described receiving element detects and receives the consecutive signal of described electronic operation equipment emission in the detection sequential of change detection;
Described receiving element is according to the signal frequency of described each electronic operation equipment identification of default storage, with the identification of comparing of the identification signal frequency in the consecutive signal of described electronic operation equipment emission;
If identification is correct, input data, the command signal of then described electronic operation equipment emission normally receive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100864058A CN100390748C (en) | 2004-10-20 | 2004-10-20 | Interference prevention method for electronic apparatus receiving and transmitting signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100864058A CN100390748C (en) | 2004-10-20 | 2004-10-20 | Interference prevention method for electronic apparatus receiving and transmitting signal |
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| Publication Number | Publication Date |
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| CN1763723A CN1763723A (en) | 2006-04-26 |
| CN100390748C true CN100390748C (en) | 2008-05-28 |
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| CNB2004100864058A Expired - Fee Related CN100390748C (en) | 2004-10-20 | 2004-10-20 | Interference prevention method for electronic apparatus receiving and transmitting signal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101873178A (en) * | 2010-06-08 | 2010-10-27 | 美商美加科技公司 | Prevent the method for RF noise interference maloperation mobile phone |
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|---|---|---|---|---|
| US5854621A (en) * | 1991-03-19 | 1998-12-29 | Logitech, Inc. | Wireless mouse |
| US20030014575A1 (en) * | 2001-07-11 | 2003-01-16 | Lun Wang | Single-unit multiple-transmission device |
| US20030084210A1 (en) * | 2001-10-30 | 2003-05-01 | Wu Kun Chan | Wireless receiving device and method jointly used by computer peripherals |
| CN2549655Y (en) * | 2002-05-22 | 2003-05-07 | 派登科技股份有限公司 | Wireless device with single receiving circuit |
| JP2003198406A (en) * | 2001-12-11 | 2003-07-11 | Ojin Kagi Kofun Yugenkoshi | Communication device and digital encode system therefor |
| US20030139201A1 (en) * | 2002-01-18 | 2003-07-24 | An-Yu Yen | Communication device and digital encoding method thereof |
| US6782245B1 (en) * | 1999-09-10 | 2004-08-24 | Logitech Europe S.A. | Wireless peripheral interface with universal serial bus port |
-
2004
- 2004-10-20 CN CNB2004100864058A patent/CN100390748C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5854621A (en) * | 1991-03-19 | 1998-12-29 | Logitech, Inc. | Wireless mouse |
| US6782245B1 (en) * | 1999-09-10 | 2004-08-24 | Logitech Europe S.A. | Wireless peripheral interface with universal serial bus port |
| US20030014575A1 (en) * | 2001-07-11 | 2003-01-16 | Lun Wang | Single-unit multiple-transmission device |
| US20030084210A1 (en) * | 2001-10-30 | 2003-05-01 | Wu Kun Chan | Wireless receiving device and method jointly used by computer peripherals |
| JP2003198406A (en) * | 2001-12-11 | 2003-07-11 | Ojin Kagi Kofun Yugenkoshi | Communication device and digital encode system therefor |
| US20030139201A1 (en) * | 2002-01-18 | 2003-07-24 | An-Yu Yen | Communication device and digital encoding method thereof |
| CN2549655Y (en) * | 2002-05-22 | 2003-05-07 | 派登科技股份有限公司 | Wireless device with single receiving circuit |
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| CN1763723A (en) | 2006-04-26 |
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