CN101697248A - Learning type infrared remote control device and method - Google Patents
Learning type infrared remote control device and method Download PDFInfo
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- CN101697248A CN101697248A CN200910093347A CN200910093347A CN101697248A CN 101697248 A CN101697248 A CN 101697248A CN 200910093347 A CN200910093347 A CN 200910093347A CN 200910093347 A CN200910093347 A CN 200910093347A CN 101697248 A CN101697248 A CN 101697248A
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Abstract
The invention discloses learning type infrared remote control device and method which can realize the support of an infrared remote control device to a plurality of modulation frequencies as well as the compatibility and the popularity thereof. The learning type infrared remote control device comprises a receiving unit, a processing unit and a transmitting unit. The receiving unit is used for receiving infrared signals with different frequencies, modulating the infrared signals to obtain a digital sequence and acquiring carrier wave frequency information of the infrared signals. The processing unit is used for receiving and storing the digital sequence from the receiving unit, storing the carrier wave frequency information and the relationship between the digital sequence and the carrier wave frequency information, transmitting the digital sequence to the transmitting unit and generating control information according to the carrier wave frequency information corresponding to the digital sequence. The transmitting unit is used for receiving the digital sequence and the control information transmitted by the processing unit, generating carrier wave with corresponding frequency according to the control information, modulating the digital sequence to the carrier wave and transmitting the digital sequence.
Description
Technical field
The present invention relates to moving communicating field, but relate in particular to learning type infrared remote control device and method.
Background technology
Infrared remote control is that a kind of employing infrared signal carries media as information, near field communication devices is carried out the technology of non-contact control by Wireless transmission mode, it has, and antijamming capability is strong, information transmission is reliable, low in energy consumption, advantages such as cost is low, easy realization, therefore by many electronic equipments particularly household electrical appliance extensively adopt, and more and more be applied in the computer system.
Infrared ray is a kind of of invisible light, can further be subdivided near infrared, in infrared, far infrared, extremely infrared 4 classes.Infrared remote control utilizes near infrared light to transmit telecommand.The near infrared light wavelength is 0.76um～1.5um, and the infrared emission device (infraluminescence pipe) that is used for infrared remote control and the luminous of infrared receiver device (photodiode, triode and photoelectric cell) be subjected to photopeak value wavelength to be generally 0.8um～0.94um, in the near infrared light wave band, as long as the spectrum that sends and receive just in time overlaps, can mate well, just can obtain higher transfer efficiency and higher reliability.
At present, infrared emission partly adopts special-purpose infrared remote control IC to finish modulation logic, cooperates the infrared carrier wave of crystal oscillator generation fixed frequency, realizes the function of infrared emission; Infrared receiving unit then major part is integrated on the controlled plant.Most of infrared remote control application-specific integrated circuit need match uses, and detection, coding and emission that transmitting terminal IC can finish key-press status drive, and receiving end then can be finished the decode procedure of correspondence.
Existing implementation will though can reduce complexity of peripheral circuits, improve the integrated level of system transmitting and receiving the IC realization Code And Decode that end adopts coupling basically.But because keyboard-coding is fixing, it is impossible that the versatility of Infrared remote controller is almost become.In current applied environment, any equipment that possesses function of infrared remote control all will be equipped with the telepilot of a special use separately.In addition, just determined the carrier frequency of infrared remote control in the system development stage.Like this, even adopt identical coded system, if the carrier frequency difference also is difficult to mutual communication.So just further caused the specificity of infrared remote control.
Summary of the invention
But the embodiment of the invention provides a kind of learning type infrared remote control device, can realize support and compatibility and the versatility of infrared remote-control device to multiple modulating frequency.
But a kind of learning type infrared remote control device comprises:
Receiving element is used to receive the infrared signal of different frequency, and the described infrared signal of demodulation obtains Serial No. and obtains the carrier wave frequency information of described infrared signal;
Processing unit, be used for receiving and store described Serial No. from described receiving element, store the corresponding relation of described carrier wave frequency information and described Serial No. and described carrier wave frequency information, send described Serial No. and generate control information according to the carrier wave frequency information of described Serial No. correspondence to transmitter unit;
Transmitter unit is used to receive Serial No. and the control information that described processing unit sends, and the carrier wave according to described control information generation corresponding frequencies is modulated on the described carrier wave described Serial No. and emission.
But the embodiment of the invention also provides a kind of method of learning type infrared remote control, comprising:
Receive the infrared signal of different frequency, the described infrared signal of demodulation obtains Serial No. and obtains the carrier wave frequency information of described infrared signal;
Store the corresponding relation of described Serial No., described carrier wave frequency information and described Serial No. and described carrier wave frequency information;
Read described Serial No., according to the carrier wave frequency information generation control information of described Serial No. correspondence, the carrier wave according to described control information generation corresponding frequencies is modulated on the described carrier wave described Serial No. and emission.
But embodiment of the invention learning type infrared remote control device and method, by the different carrier frequencies signal is carried out complete record and reproduction, can farthest realize the support of the compatibility of infrared remote-control device and versatility and infrared remote-control device to multiple modulating frequency.But learning type infrared remote control device almost can carry out having reduced the complexity and the equipment cost of system alternately with any infrared remote control system.
Description of drawings
Apparently, the accompanying drawing that describes below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
But Fig. 1 is the structural drawing of one embodiment of the invention learning type infrared remote control device;
But Fig. 2 is another structural drawing of one embodiment of the invention learning type infrared remote control device;
But Fig. 3 is the another structural drawing of one embodiment of the invention learning type infrared remote control device;
But Fig. 4 is the another structural drawing of one embodiment of the invention learning type infrared remote control device;
But Fig. 5 is the structural drawing of another embodiment of the present invention learning type infrared remote control device;
But Fig. 6 is the method flow diagram of another embodiment of the present invention learning type infrared remote control.
Embodiment
But the embodiment of the invention provides a kind of learning type infrared remote control device and method, can realize support and compatibility and the versatility of infrared remote-control device to multiple modulating frequency.
Describe the present invention below in conjunction with accompanying drawing.Described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 1, but one embodiment of the invention provides a kind of learning type infrared remote control device 100.But should can learn to the telepilot of different electric equipments by learning type infrared remote control device 100, and obtain the instruction of each different electric equipments of control, use a plurality of remote controls to control the inconvenience of different electric equipments respectively thereby save by study.In an embodiment, but the electronic equipment that should learning type infrared remote control device can have other functions for set-top box, access point, mobile phone, personal digital assistant etc.The unit that example goes out among the embodiment, but can be the circuit that only is used to realize learning type infrared remote control function in the electronic equipment, also can partly or entirely be the circuit that these electronic equipment Central Plains are used to realize this electronic equipment original function, but these circuit be realized learning type infrared remote control function by design improvement.
But should learning type infrared remote control device 100 comprise receiving element 101 at least, the processing unit 102 that is connected with receiving element 101, and be connected, be used to send a signal to the transmitter unit 103 of electric equipment to control with processing unit 102.
Receiving element 101 can be supported the infrared signal of different carrier frequencies with the reception different frequency, and the described infrared signal of demodulation obtains the corresponding digital sequence.
In an embodiment, receiving element 101 can receive the set of subelement for two or more.Each receives subelement can be infrared receiving terminal.Infrared remote control carrier frequency commonly used has multiple situations such as 30K, 38K, 40K and 56K, if the carrier frequency that the reception subelement is supported comprises carrier frequency commonly used, described receiving element 101 just can compatible carrier frequency arbitrarily commonly used.Each receives infrared receiving cable of subelement formation and supports infrared communication, supports different carrier frequencies respectively that each receives subelement can the concurrent infrared signal of carrying out, receiving the carrier frequency of each self-supporting simultaneously.Receiving element 101 can be known the carrier wave frequency information of current reception infrared signal according to the passage that receives infrared signal.In embodiments of the present invention, described receiving element 101 also can be for supporting the single receiving element of wide cut carrier frequency.In this case, receiving element 101 can this infrared signal of demodulation obtain Serial No., and obtains the carrier wave frequency information of this infrared signal.
Wherein, described processing unit 102 can be central processing unit.
But embodiment of the invention learning type infrared remote control device 100, by the different carrier frequencies signal is carried out complete record and reproduction, can farthest realize the support of the compatibility of infrared remote-control device and versatility and infrared remote-control device to multiple modulating frequency.Like this, but learning type infrared remote control device almost can carry out having reduced the complexity and the equipment cost of system alternately with any infrared remote control system.
Further, as shown in Figure 2, described processing unit 102 comprises:
Further, as shown in Figure 3, described transmitter unit 103 comprises:
Carrier wave generates subelement 301, is used for according to the carrier wave that produces corresponding frequencies from the control information of described processing unit 102;
Modulation and emission subelement 302 are used to receive the Serial No. that described processing unit 102 sends, and described Serial No. is modulated to described carrier wave generates on the carrier wave that subelement 301 generated and emission.
Wherein, described carrier wave generation subelement 301 can be the adjustable clock source.Like this, by cooperating of processing unit 102 and receiving element 101 and adjustable clock source, but just can realize learning type infrared remote control function.
Further, as shown in Figure 4, but described learning type infrared remote control device 100 also comprises:
Extension storage unit 401 is used for storing described Serial No. and the pairing carrier wave frequency information of described Serial No. when described processing unit 102 capacity are limited.
As shown in Figure 5, but another embodiment of the present invention provides a kind of learning type infrared remote control device.This device comprises master cpu.The control information that master cpu sends by the infrared receiving cable learning remote control of multichannel device.The infrared signal that the infrared receiving cable of this multichannel is supported different frequency respectively can realize the reception of the infrared signal of nearly all main flow modulating frequency, and can concurrently communicate, and simultaneously the multichannel infrared signal is gathered, is handled.Infrared receiving cable receives the remote signal that telepilot sends.This remote signal is an infrared signal.Infrared receiving cable is converted into Serial No. with this remote signal and is sent to master cpu.Master cpu receives this Serial No., obtains the carrier wave frequency information of this Serial No. according to the passage that sends this Serial No., and this Serial No. and corresponding carrier wave frequency information are stored in the storer, finishes study to this remote signal with this.
When the user utilized this can learning-oriented telechiric device the pairing equipment of this telepilot to be controlled, the user can call out corresponding control command by learning-oriented telechiric device by operating this.In an embodiment, the user can carry out call operation by this button indication on can learning-oriented telechiric device, perhaps by this can learning-oriented telechiric device telepilot carry out call operation.
After master cpu receives call instruction, call out control commands corresponding, promptly be stored in the Serial No. in the storer, send to modulating unit by output control.Simultaneously, master cpu calls out and the corresponding carrier wave frequency information of this Serial No., to should carrier wave frequency information generated frequency control word, generates corresponding carrier signal with control adjustable clock source.In an embodiment, can pass through the adjustable clock source by learning-oriented telechiric device, can realize all standing of reference carrier frequency.Modulating unit receives Serial No. and carrier signal, and this Serial No. is modulated on the carrier wave, sends with the form of infrared signal, realizes control to equipment with this.
But embodiment of the invention learning type infrared remote control device, by the different carrier frequencies signal is carried out complete record and reproduction, can farthest realize the support of the compatibility of infrared remote-control device and versatility and infrared remote-control device to multiple modulating frequency.But learning type infrared remote control device almost can carry out having reduced the complexity and the equipment cost of system alternately with any infrared remote control system.
As shown in Figure 6, but another embodiment of the present invention provides a kind of method of learning type infrared remote control, comprising:
The infrared signal of S61, reception different frequency, the described infrared signal of demodulation obtains Serial No. and obtains the carrier wave frequency information of described infrared signal;
S62, store the corresponding relation of described Serial No., described carrier wave frequency information and described Serial No. and described carrier wave frequency information;
S63, read described Serial No., generate control information, generate the carrier wave of corresponding frequencies, be modulated on the described carrier wave described Serial No. and emission according to control information according to the carrier wave frequency information of described Serial No. correspondence.
By adopting described infrared remote control method, owing to can carry out complete record and reproduction to the different carrier frequencies signal, and the transmission of control respective carrier frequency and Serial No., so can farthest realize the support of the compatibility of infrared remote-control device and versatility and infrared remote-control device to multiple modulating frequency.
Further, among the step S63, described carrier wave according to described control information generation corresponding frequencies comprises:
S631, obtain control information.In an embodiment, this control information can be frequency control word.
S632, produce the carrier wave of respective frequencies according to described frequency control word.In an embodiment, frequency control word control adjustable clock source produces the carrier wave of respective frequencies.
One of ordinary skill in the art will appreciate that, realize all or part of flow process in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-OnlyMemory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the described protection domain of claim.
Claims (10)
1. but a learning type infrared remote control device is characterized in that, comprising:
Receiving element is used to receive the infrared signal of different frequency, and the described infrared signal of demodulation obtains Serial No. and obtains the carrier wave frequency information of described infrared signal;
Processing unit, be used for receiving and store described Serial No. from described receiving element, store the corresponding relation of described carrier wave frequency information and described Serial No. and described carrier wave frequency information, the control information that sends described Serial No. and generate to transmitter unit according to the carrier wave frequency information of described Serial No. correspondence;
Transmitter unit is used to receive Serial No. and the control information that described processing unit sends, and the carrier wave according to described control information generation corresponding frequencies is modulated on the described carrier wave described Serial No. and emission.
2. device according to claim 1, wherein, described processing unit comprises storing sub-units and control sub unit:
Described storing sub-units is used for receiving and storing described Serial No. from described receiving element, stores the corresponding relation of described carrier wave frequency information and described Serial No. and described carrier wave frequency information;
Described control sub unit is used for the control information that sends described Serial No. and generate according to the carrier wave frequency information of described Serial No. correspondence to described transmitter unit.
3. device according to claim 1 and 2, wherein, described processing unit is a central processing unit.
4. device according to claim 1, wherein, described receiving element comprises at least two infrared receiving cables, each described infrared receiving cable is supported different carrier frequencies; Described receiving element is known the carrier wave frequency information of the infrared signal of current reception according to the passage that receives infrared signal.
5. device according to claim 1, wherein, described transmitter unit comprises:
Carrier wave generates subelement, is used for receiving described control information from described processing unit, generates the carrier wave of corresponding frequencies according to described control information;
Modulation and emission subelement are used for receiving described Serial No. from described processing unit, are modulated on the sub carrier wave that generates of described carrier wave generation unit described Serial No. and emission.
6. device according to claim 5, wherein, described carrier wave generation unit is the adjustable clock source.
7. according to claim 1,2,4,5 or 6 each described devices, wherein, described infrared remote-control device also comprises:
The extension storage unit is used for storing described Serial No. and the pairing carrier wave frequency information of described Serial No. when described processing unit capacity is limited.
8. but the method for a learning type infrared remote control is characterized in that, comprising:
Receive the infrared signal of different frequency, the described infrared signal of demodulation obtains Serial No. and obtains the carrier wave frequency information of described infrared signal;
Store the corresponding relation of described Serial No., described carrier wave frequency information and described Serial No. and described carrier wave frequency information;
Read described Serial No., according to the carrier wave frequency information generation control information of described Serial No. correspondence, the carrier wave according to described control information generation corresponding frequencies is modulated on the described carrier wave described Serial No. and emission.
9. method according to claim 8, wherein, described carrier wave according to described control information generation corresponding frequencies comprises:
Obtain frequency control word;
Produce the carrier wave of respective frequencies according to described frequency control word.
10. method according to claim 9, wherein, described carrier wave according to described frequency control word generation respective frequencies comprises:
Described frequency control word control adjustable clock source produces the carrier wave of respective frequencies.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100933474A CN101697248B (en) | 2009-09-27 | 2009-09-27 | Learning type infrared remote control device and method |
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| CN2009100933474A CN101697248B (en) | 2009-09-27 | 2009-09-27 | Learning type infrared remote control device and method |
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| CN101697248A true CN101697248A (en) | 2010-04-21 |
| CN101697248B CN101697248B (en) | 2012-05-30 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102339528A (en) * | 2010-07-19 | 2012-02-01 | 厦门哈隆电子有限公司 | Multifunctional infrared testing instrument |
| CN102592435A (en) * | 2012-02-22 | 2012-07-18 | 华为终端有限公司 | Method for remotely controlling electronic device and mobile terminal |
| CN102810241A (en) * | 2011-06-02 | 2012-12-05 | 林兆力 | Method and device for changing frequency of carrier waves transmitted by wireless remote controller via local keys |
| WO2015024232A1 (en) * | 2013-08-22 | 2015-02-26 | 华为终端有限公司 | Infrared remote control apparatus, method and terminal |
| CN104868950A (en) * | 2014-02-25 | 2015-08-26 | 华为技术有限公司 | Infrared emission device, infrared remote control device, and infrared light emitting and receiving method |
| CN107767655A (en) * | 2017-11-08 | 2018-03-06 | 陈永 | A kind of remote control |
| CN107993422A (en) * | 2016-10-27 | 2018-05-04 | Sice科技公司 | For the clone method of remote control equipment operated in radio frequency and thus obtained remote control equipment |
| CN108986444A (en) * | 2017-06-05 | 2018-12-11 | 深圳市海洋王照明工程有限公司 | A kind of learning method and its transmitting equipment of infrared coding |
| CN110291568A (en) * | 2017-02-10 | 2019-09-27 | 金泰克斯公司 | Utilize the individual channel training of trainable transceiver and multiple functions of control remote-control device |
| CN110320816A (en) * | 2019-08-02 | 2019-10-11 | 珠海格力电器股份有限公司 | Wireless signal processing methods, household appliance control method, household electrical appliance and computer readable storage medium |
| CN113299056A (en) * | 2021-06-10 | 2021-08-24 | 深圳市炬力北方微电子有限公司 | Infrared data transmission method, device, system and related equipment |
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2009
- 2009-09-27 CN CN2009100933474A patent/CN101697248B/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102339528A (en) * | 2010-07-19 | 2012-02-01 | 厦门哈隆电子有限公司 | Multifunctional infrared testing instrument |
| CN102810241A (en) * | 2011-06-02 | 2012-12-05 | 林兆力 | Method and device for changing frequency of carrier waves transmitted by wireless remote controller via local keys |
| CN102592435A (en) * | 2012-02-22 | 2012-07-18 | 华为终端有限公司 | Method for remotely controlling electronic device and mobile terminal |
| CN102592435B (en) * | 2012-02-22 | 2014-04-30 | 华为终端有限公司 | Method for remotely controlling electronic device and mobile terminal |
| CN105210127A (en) * | 2013-08-22 | 2015-12-30 | 华为终端有限公司 | Infrared remote control apparatus, method and terminal |
| WO2015024232A1 (en) * | 2013-08-22 | 2015-02-26 | 华为终端有限公司 | Infrared remote control apparatus, method and terminal |
| CN104868950A (en) * | 2014-02-25 | 2015-08-26 | 华为技术有限公司 | Infrared emission device, infrared remote control device, and infrared light emitting and receiving method |
| CN107993422A (en) * | 2016-10-27 | 2018-05-04 | Sice科技公司 | For the clone method of remote control equipment operated in radio frequency and thus obtained remote control equipment |
| CN107993422B (en) * | 2016-10-27 | 2021-07-23 | Sice科技公司 | Method for duplicating a remote control device operating at radio frequencies and remote control device thus obtained |
| CN110291568A (en) * | 2017-02-10 | 2019-09-27 | 金泰克斯公司 | Utilize the individual channel training of trainable transceiver and multiple functions of control remote-control device |
| CN108986444A (en) * | 2017-06-05 | 2018-12-11 | 深圳市海洋王照明工程有限公司 | A kind of learning method and its transmitting equipment of infrared coding |
| CN107767655A (en) * | 2017-11-08 | 2018-03-06 | 陈永 | A kind of remote control |
| CN110320816A (en) * | 2019-08-02 | 2019-10-11 | 珠海格力电器股份有限公司 | Wireless signal processing methods, household appliance control method, household electrical appliance and computer readable storage medium |
| CN110320816B (en) * | 2019-08-02 | 2020-07-28 | 珠海格力电器股份有限公司 | Wireless signal processing method, household appliance control method, household appliance and computer readable storage medium |
| CN113299056A (en) * | 2021-06-10 | 2021-08-24 | 深圳市炬力北方微电子有限公司 | Infrared data transmission method, device, system and related equipment |
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| CN101697248B (en) | 2012-05-30 |
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