CN1945648A - Universal studying programmable remote controller and its control method - Google Patents

Universal studying programmable remote controller and its control method Download PDF

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Publication number
CN1945648A
CN1945648A CN 200610096532 CN200610096532A CN1945648A CN 1945648 A CN1945648 A CN 1945648A CN 200610096532 CN200610096532 CN 200610096532 CN 200610096532 A CN200610096532 A CN 200610096532A CN 1945648 A CN1945648 A CN 1945648A
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China
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control
telepilot
universal
remote controller
card
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CN 200610096532
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Chinese (zh)
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CN100570660C (en
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刘正东
龙江
程明慧
龙涛
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刘正东
龙江
程明慧
龙涛
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Priority to CNB2006100965325A priority Critical patent/CN100570660C/en
Publication of CN1945648A publication Critical patent/CN1945648A/en
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Publication of CN100570660C publication Critical patent/CN100570660C/en

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Abstract

The invention discloses a universal remote controller which can learn programming and its control method, including a button matrix, a mobile and erasable external memory, a memory connector, an infrared codes circuit, a micro-controller which connects with the above pieces, and et al. The memory is a kind of card, which links the remote controller in the mobile way, has a bus interface with the micro-controller, and can link PC by USB interface or the SCM with serial ports directly. First the remote control code of the electrical equipment is stored in the memory card, then the control signals according to control orders from the micro-controller corresponding are transmitted to the above equipment. The remote control equipment is highly integrated and economical with the card separation pattern of similar cell phone and its own learning function through communication between the memory and computer or Internet, which operation is simple and reliable, to be a truly intelligent remote controller.

Description

Universal studying programmable remote controller and control method thereof

Technical field

The present invention relates to a kind of telepilot, particularly universal type telepilot and control method thereof.

Background technology

Some universal remote controls have been arranged at present on the market, by button, storer, Memory connector, infrared signaling circuit, compositions such as microcontroller, the core of its control method is: the remote control mode of designated equipment, appointment model electrical equipment is stored in the chip of telepilot.Carry out certain operations as long as the emission port of original telepilot is aimed at the receiving port of new telepilot, the information of new telepilot accepted by infrared signaling circuit and microcontroller store after handling just can control-target equipment, the shortcoming of this universal remote control is: 1, storage chip is fixed, and information can not be revised at any time; 2, can only control designated equipment, appointment model electric equipment products, can not control the product of new listing, because storer is not supported the renewal of remote control mode, so to those equipment that newly come out, the electrical equipment of typing sign indicating number can not operated, and is difficult to large-scale promotion application for this reason; 3, function button is defined by the wiring board wiring, but silk-screen can only be a cover on the telepilot surface, so just can not be applicable to distinct device.

Summary of the invention

The objective of the invention is provides a kind of universal studying programmable remote controller and control method thereof for overcoming the deficiency of above-mentioned technology, the sign indicating number that this telepilot can other telepilot of self study, upgrade synchronously with new equipment, easy to operate.

The technical solution used in the present invention is: comprise key-press matrix, removable erasable formula external storage, Memory connector, infrared signaling circuit, microcontroller etc., microcontroller is connected with button, storer, Memory connector, infrared signaling circuit respectively, described storer is a kind of storage card, this storage card and telepilot be plug-in be connected and microcontroller between have bus interface, and can directly link to each other with PC, or link to each other with the single-chip microcomputer of band serial ports by USB interface;

Remote control mode with target device electrical equipment is stored in the storage card earlier, and the control command control signal corresponding with described microcontroller sends above-mentioned target device electrical equipment to again, and control method is as follows in regular turn:

(1) with the non-universal controller of target telepilot part with remote control code is placed on Flash, miniature SIM card, CF, the SD card or on other erasable storage mediums;

(2) by USB infrared/radiofrequency signal remote control code receiver and PC or The application of single-chip computer software, the infrared or wireless remote control of captured target telepilot coding is converted into the binary format file that editable text formatting maybe can not be edited;

(3) file is deposited on the above-mentioned erasable storage medium.

By USB infrared/radiofrequency signal remote control code receiver, utilize microcontroller or household PC software in the telepilot, detect different signal carriers automatically, and automatically with data decode, analysis, storage; And can utilize microcontroller in the telepilot, and call and be stored in the storage medium coded file, by frequency division of software, corresponding control signal infrared or wireless can be sent control-target equipment electrical equipment.

The present invention adopts the separation between machine and card pattern of similar mobile phone, by the communication of storage card and computing machine and internet, cooperate the learning functionality of himself, integrated and economized with the remote control equipment height, operate simple and reliablely, make telepilot become a real intelligent universal remote controller.

Description of drawings

Following structure the drawings and specific embodiments are described in further detail the present invention.

Fig. 1 is circuit theory diagrams of the present invention;

Fig. 2 is the multiple infrared remote control equipment of a centralized control synoptic diagram;

Fig. 3 is infrared remote-controlled signal self study and reduction schematic diagram;

Fig. 4 is the schematic diagram that modulated wave is carried out demodulation;

Fig. 5 is the corresponding relation figure of infrared encoded signal pulsewidth;

Fig. 6 is the external interrupt service routine process flow diagram of measured waveform;

Fig. 7 is a measurement data playback process flow diagram;

Fig. 8 is the remote-control transmitting signal principle figure;

Fig. 9 is a structural drawing of the present invention;

Figure 10 is a signal reception process process flow diagram of the present invention;

Figure 11 is a signal process of transmitting process flow diagram of the present invention.

Embodiment:

The bare machine of telepilot of the present invention part is made up of button, storage card, card connector, infrared signaling circuit, microcontroller etc., for high-grade machine, and can the collocating LCD touch-screen etc.; After only being inserted with the storage card of control program and remote control code, bare machine just can become universal remote controller truly, can control various household electrical appliances.

Storer of the present invention is a kind of storage card, for on Flash, miniature SIM card, CF, the SD card or other erasable storage mediums, this storage card and telepilot be plug-in be connected, with microcontroller between have USB interface and can directly link to each other or link to each other with the single-chip microcomputer of being with serial ports with PC.

Adopt the separation between machine and card pattern of similar mobile phone, be placed on the non-universal controller of telepilot part and remote control code (the infrared or wireless remote control coding that is different from telepilot itself) on Flash, miniature SIM card, CF, the SD card or on other storage mediums, itself has learning functionality telepilot, can learn other telepilots, and code changed on the storage medium preserve.

By simple USB infrared/radiofrequency signal remote control code receiver and specialized application software, can catch infrared or the wireless remote control coding, be converted into the file of the binary format that editable text formatting maybe can not edit, by selecting different infrared protocol storage card is controlled different carrier waves, and automatically with data decode, analysis, storage, storage card is supported carrier frequency 0K to 100K, the code waveform data can upload to PC and go up preservation, also can pass Wave data down from PC, storage card can be expanded by the internet, adopts the Wave data compression to deposit.

Specify the design of hardware and software part of the present invention below respectively:

One, The hardware design

Be illustrated in figure 1 as circuit theory diagrams of the present invention, Figure 2 shows that the multiple infrared remote control equipment of centralized control synoptic diagram, usually Infrared remote controller with remote signal (binary pulse sign indicating number) on the carrier wave of 38KHz, after buffering is amplified, deliver to infrarede emitting diode, be converted into infrared signal and launch.The form of binary pulse sign indicating number has multiple, and wherein the most commonly used is PWM sign indicating number (pulse-length modulation sign indicating number) and PPM sign indicating number (pulse position modulation code).The former represents 1 with broad pulse, and burst pulse represents 0.Latter's pulse width is the same, but the width of sign indicating number position is different, the representative 1 of sign indicating number bit wide, the representative 0 that the sign indicating number position is narrow.

Remote control coding pulse signal (is example with the PPM sign indicating number) is made up of signals such as preamble code, systematic code, system's radix-minus-one complement, function code, function radix-minus-one complements usually.Preamble code also is initial code, and high level and the width that by width is 9ms is that the low level of 4.5ms is formed (different telechiricss has certain difference on the width of high-low level), is used for indicating the beginning of remote control coding pulse signal.Systematic code also is identification code, and it is used to refer to the kind of telechirics, to distinguish other telechirics, prevents the misoperation of each telechirics.Function code also is order code, and it has represented the control corresponding function, and the microcontroller in the receiver can be finished various feature operations according to the numerical value of function code.System's radix-minus-one complement and function radix-minus-one complement are respectively the radix-minus-one complements of systematic code and function code, and the adding of radix-minus-one complement is in order to proofread whether produce mistake in the transmission course at receiving end.In order to improve interference free performance and to reduce electrical source consumption, be that the carrier signal of 38KHz (cycle is 26.3ms) is carried out pulse-amplitude modulation (PAM) with above-mentioned remote control coding pulse to frequency, after amplifying, buffering delivers to the infraluminescence pipe again, remote signal is launched.

According to remote signal coding and emission process, the identification of remote signal is that decode procedure is to identify 0 and 1 in the binary pulse sign indicating number after removing the 38KHz carrier signal.The hardware circuit of remote signal identification, storage, reduction is made up of single-chip microcomputer W78E52B-24, integrated infrared receiving terminal, storer, reduction modulation and infraluminescence tube drive circuit as shown in Figure 2.

Integrated infrared receiving terminal adopts SIEMENS SFH 506-38, and it is responsible for the demodulation of infrared remote-controlled signal.Be modulated on the 38kHz the infrared pulse signal demodulation and oppositely after be input to INT0 (P3.2) pin of W78E52B-24 again, carry out the measurement of high level and low level width by single-chip microcomputer.

Be infrared remote-controlled signal self study and reduction schematic diagram as shown in Figure 3, use the E2PROM chip 24C32 with I2C bus interface as storer, its capacity is 4KB, is used for preserving the high level and the low level width data of the remote signal of identification.Usually the binary pulse code length of remote signal is 32, is made up of a high level and a low level for every, and the deration of signal data that should preserve are 64, add 2 data of preamble code, 66 data altogether, and each data is represented with a byte.A remote signal order needs 66 bytes to preserve.Consider that different telechiricss has any different, some remote signal order is longer, so storage space should leave suitable surplus, decides the capacity and the model of E2PROM chip.

The reduction of remote signal is by the P0 mouth, as being P0.1 among Fig. 3, the high level and the low level of output binary pulse sign indicating number and holding time, again with the 38KHz modulating pulse with, allow the 38KHz modulating pulse to pass through when being P0 mouth output high level, turn-off the 38KHz modulating pulse during output low level.Signal after the modulation drives infrared transmitting tube.LED is used to refer to each state in the self study among the figure.The P2 mouth links one group of button, and quantity is identical with the central controlled infrared remote control number of devices of needs, is used for control single chip computer to enter or withdraw from the self study state, and button is number corresponding with device number.Single-chip microcomputer is communicated by letter by RS-485 or usb bus with host computer or Centralized Controller, transmits the control of infrared remote control equipment

Fig. 4 is the schematic diagram that modulated wave is carried out demodulation, and the output of all Infrared remote controller is all carried out pulse amplitude modulation with the serial data behind the coding to the square wave of 38kHz~40kHz and produced.If directly modulated wave is measured, and its pulsewidth has only microsecond more than 20, because the instruction cycle of single-chip microcomputer is the microsecond level, can produce very big error.Therefore, to carry out demodulation to modulated wave earlier, the waveform after the demodulation is measured.With CX20106 modulated wave is carried out demodulation, the remote control coding pulse that CX20106 is demodulated directly is connected into the INT0 and the T0 pin of single-chip microcomputer, and timer T0 and T1 are initialized as timing working mode 1, the position, GATE position of T0.Each external interrupt at first stops regularly, and the count value of record T0, T1 then with the count value zero clearing of T0, T1, and restarts regularly.The value of T0 is the high level pulsewidth, and the value of T1~T0 is a low-level pulse width.The corresponding relation of T0, T1 and infrared encoded signal pulsewidth as shown in Figure 5.

The flow process of the external interrupt service routine of measured waveform as shown in Figure 6, measurement data playback flow process as shown in Figure 7, need only with cycle data ground change P1.0 and just can obtain original remote control coding pulse.

As shown in Figure 8, with remote control pulse signal modulation 38kHz square wave, then modulated wave is amplified, drive infrarede emitting diode, just can obtain the remote-control transmitting signal, modulate available one or a realization, the 38kHz square wave can produce with the timer T1 of single-chip microcomputer.The carrier frequency of some telepilot may be 40kHz, need only strengthen the still available 38kHz carrier frequency of emissive power a little and make its receiving circuit action.

Test operation process of the present invention is as follows:

(1) connects power supply, depress SW1, enter mode of learning, by button on the terminal, LED is bright, the learned remote control power valve is aimed at received head, apart from 20CM, presses a key on the telepilot, waveform of terminal opening entry this moment, LED goes out after finishing, and continues next button.

(2) SW1 that upsprings is in the signaling state, and by certain key on the terminal, terminal can send out the waveform of the respective keys of typing just now again, follows the LED flicker.

(3) communication mode: USB emulation serial ports is readed over 9600B, and N/8/1 instructs and reply to be byte.

(4) order format such as following table: ??D7 ??D6 ??D5 ??D4 ??D3 ??D2 ??D1 ??D0 ??0 ??0 ??x ??x ??x ??x ??x ??x

Terminal is received that the learn command of host computer is laggard and is gone into the study state, light LED, learned remote control is aimed at the reception head of terminal, apart from 20CM, presses the button of being learnt, terminal opening entry waveform, follow LED glittering, waveform was deposited corresponding memory block after record was finished, the data before covering, LED goes out, and acknowledge character " O " is (4FH) to host computer.If do not push button in 20 seconds, then learning process failure is sent out acknowledge character " E " (45H) to host computer, data in the past are retained, if wrong in the learning process, send out acknowledge character " E " (45H) to host computer, data in the past are eliminated, signaling order format such as following table: ??D7 ??D6 ??D5 ??D4 ??D3 ??D2 ??D1 ??D0 ??0 ??1 ??x ??x ??x ??x ??x ??x

Terminal is just launched the waveform of corresponding numbering memory block after receiving signaling instruction, sends out acknowledge character " O " and (4FH) gives host computer, if waveform is for empty or make mistakes then send out acknowledge character " E " and (45H) give host computer.

Read waveform order format such as following table: ??D7 ??D6 ??D5 ??D4 ??D3 ??D2 ??D1 ??D0 ??1 ??0 ??x ??x ??x ??x ??x ??x

D7-6:10---reads the waveform instruction; D5-0:xxxxxx---memory block numbering (0-63).

Terminal is just issued host computer (512 byte) to the Wave data of corresponding numbering memory block after receiving and reading the waveform instruction, sends out data and check byte again.

Write waveform order format such as following table: ??D7 ??D6 ??D5 ??D4 ??D3 ??D2 ??D1 ??D0 ??1 ??1 ??x ??x ??x ??x ??x ??x

D7-6:11---writes the waveform instruction; D5-0:xxxxxx---memory block numbering (0-63).

After terminal is received and is write the waveform instruction, and then receive Wave data (512 byte) and deposit corresponding numbering memory block, receive data and check byte again, successfully send out acknowledge character " O " (4FH) to host computer, otherwise send out acknowledge character " E " (45H) to host computer if receive.

Two, software section design

Mainly utilize embedded system operating system to carry out product development, comprise the two-part research and development of software that reaches in the telepilot hardware in the SD card:

Comprise in the hard machine of telepilot that wherein following user can't revise software:

(1) embedded system operating system (selecting LINUX)

(2) interrupt call

(3) keyboard interface program (transformation existing system)

(4) LCD interface routine (transformation existing system)

(5) SD card read-write program (independent development)

(6) data encrypting and deciphering program (purchase and hold very)

(7) crystal oscillator modulation program

(8) self-defining function

(9) infrared transmission

(10) infrared reception decoding program

Comprise following software in the SD card:

(1) card read-write allocation table, self-defined chained list

(2) card key program (purchase and hold very)

(3) telepilot generates software (same with the UltraVNC code)

(4) touch-screen typing software (purchasing Chinese king software)

(5) other application software (outsourcing)

More than be the software that the user can't revise, also comprise the following data of revising of can passing through to calculate in the SD card:

(1) telepilot control table (carrier wave, key Wave data), autonomous definition database

(2) telepilot Background, button figure.

Shown in Fig. 9~11, Fig. 9 is a structural drawing of the present invention, and Figure 10 is a signal reception process process flow diagram of the present invention; Figure 11 is a signal process of transmitting process flow diagram of the present invention.The telepilot of standard form is to develop on the traditional remote controller basis, 9 kinds of opertaing device selection key (CT1 are provided, CT2, ... .CT9), and increase a learning key and locking HOLD key, its learning process is described below: use key up and down, on screen, find CT1 (also can be self-defining device name) to press OK key and learning key simultaneously, make on the telepilot study light emitting diode turn green, then press the mode of learning that HOLD enters CT1, read and write as SD that switch does not leave or SD is Card Reader, at this moment, the study light emitting diode reddens, and can't enter mode of learning, returns control model by HOLD.After entering mode of learning, the SD card generates the empty table of a code data of CT1 automatically, and simultaneously original table is renamed as band series number data table stores, in order to using in the future.With the infrared transmission pipe of learned remote control infrared receiving tube over against intelligent general-purpose studying programmable remote controller, pinning the transmit leg button does not put, then by the corresponding button in study side, up to the flicker of study light emitting diode green glow, illustrate that button data writes in the SD card, data are encrypted in the ablation process.After all button study finishes, remove mode of learning by HOLD and enter control model.

Its learning process of telepilot of band liquid crystal display is described below: use key up and down, on screen, find CT1 (also can be self-defining device name) to press OK key and learning key simultaneously, make on the telepilot study light emitting diode turn green, then press the mode of learning that HOLD enters CT1, do not open or SD is Card Reader as SD read-write switch, at this moment, the study light emitting diode reddens, can't enter mode of learning, return control model by HOLD.After entering mode of learning, the SD card generates the empty table of a code data of CT1 automatically, and simultaneously original table is renamed as band series number data table stores, in order to using in the future.With the infrared transmission pipe of learned remote control infrared receiving tube over against intelligent general-purpose studying programmable remote controller, pinning the transmit leg button does not put, then by the corresponding button in study side, up to the flicker of study light emitting diode green glow, illustrate that button data writes in the SD card, data are encrypted in the ablation process.After all button study finishes, remove mode of learning by HOLD and enter control model.The tables of data of learning on the SD card can copy by computing machine, is uploaded on the enterprise web site behind the DecryptDecryption, downloads and copies the card into SD, just can carry out device control.With key up and down, on screen, find CT1 (also can be self-defining device name) to choose CT1 by the OK key, according to the equipment of selecting, read the control data table of CTX in the SD card, obtain carrier frequency, thereby determine frequency of operation.Press when a button, from the SD card, read the Wave data of this key, then send corresponding infrared waveform opertaing device action.

Its learning process of telepilot of band touch-screen is described below: after the start, enter mode of learning by learning key, according to the bond number of pressing of being learned telepilot, bond number and self-defining device name are pressed in input, denominatively can directly choose title, system occurs one automatically equally by the bond number telepilot.Button name can also can be used text editing on computers by selecting typing, can change the pattern of telepilot in computing machine.After entering mode of learning, the SD card generates the empty table of a code data of CT1 automatically, and simultaneously original table is renamed as band series number data table stores, in order to using in the future.With the infrared transmission pipe of learned remote control infrared receiving tube over against intelligent general-purpose studying programmable remote controller, pinning the transmit leg button does not put, then by the corresponding button in study side, up to the flicker of study light emitting diode green glow, illustrate that button data writes in the SD card, data are encrypted in the ablation process.After all button study finishes, remove mode of learning by learning key and enter control model.

The tables of data of learning on the SD card can be copied tool by computing machine and gets off, and is uploaded on the enterprise web site behind the DecryptDecryption, downloads and copies the card into SD, just can carry out device control.

The present invention compiles code, be placed on the website and exchange download for the radio amateur, also can form paying website operation system, the coding of user such as certain domestic electrical equipment remote controller of needs needs online the paying to download or buy the storage card of finishing writing control program and remote control code.So just can accomplish really that one family needs only a kind of telepilot and just can control all household electrical appliances and relevant device, the use amount of the telepilot in the whole world of Jian Shaoing widely makes this traditional electrical accessorie product of telepilot enter all shops again simultaneously and the supermarket becomes possibility.

Claims (8)

1. universal studying programmable remote controller, comprise key-press matrix, removable erasable formula external storage, Memory connector, infrared signaling circuit, microcontroller etc., microcontroller is connected with button, storer, Memory connector, infrared signaling circuit respectively, it is characterized in that: described storer is a kind of storage card, this storage card and telepilot be plug-in be connected and microcontroller between have bus interface, and can directly link to each other with PC, or link to each other with the single-chip microcomputer of band serial ports by USB interface.
2. the control method of the described universal studying programmable remote controller of claim 1, remote control mode with target device electrical equipment is stored in the storage card earlier, control command control signal corresponding with described microcontroller sends above-mentioned target device electrical equipment to again, and it is characterized in that: control method is as follows in regular turn:
(1) with the non-universal controller of target telepilot part with remote control code is placed on Flash, miniature SIM card, CF, the SD card or on other erasable storage mediums;
(2) by USB infrared/radiofrequency signal remote control code receiver and PC or The application of single-chip computer software, the infrared or wireless remote control of captured target telepilot coding is converted into the binary format file that editable text formatting maybe can not be edited;
(3) file is deposited on the above-mentioned erasable storage medium.
3. the control method of a kind of universal studying programmable remote controller according to claim 2, it is characterized in that: by USB infrared/radiofrequency signal remote control code receiver, utilize microcontroller or household PC software in the telepilot, automatically detect different signal carriers, and automatically with data decode, analysis, storage; And can utilize microcontroller in the telepilot, and call and be stored in the storage medium coded file, by frequency division of software, corresponding control signal infrared or wireless can be sent control-target equipment electrical equipment.
4. the control method of a kind of universal studying programmable remote controller according to claim 3 is characterized in that: storage card is supported carrier frequency 0K to 150K, and the code waveform data can upload to PC and go up and preserve, and also can pass Wave data down to storage card from PC.
5. the control method of a kind of universal studying programmable remote controller according to claim 3, it is characterized in that: control documents in the storage card and software, can write, edit with text editor or computer software by hand according to control stipulations, the agreement of prior agreement; Change filename and/or line of text order, can change telepilot by key definition.
6. the control method of a kind of universal studying programmable remote controller according to claim 2, it is characterized in that: storage card can be expanded by the internet.
7. the control method of a kind of universal studying programmable remote controller according to claim 3 is characterized in that: microcontroller is a kind of file management system and compatible FAT file system, is managing the All Files in the storage card.
8. the control method of a kind of universal studying programmable remote controller according to claim 2, it is characterized in that: have data base management system (DBMS) on the described erasable storage medium, carry out by microcontroller, guarantee that a telepilot can control the equipment of the infrared or radiofrequency signal telepilot of various use.
CNB2006100965325A 2006-09-30 2006-09-30 Universal studying programmable remote controller and control method thereof CN100570660C (en)

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CN103606264A (en) * 2013-11-18 2014-02-26 四川长虹电器股份有限公司 Infrared transmitting and receiving extension cord with switching function
CN103839402A (en) * 2012-11-22 2014-06-04 苏州朗捷通智能科技有限公司 Multipath infrared remote control system
CN104680770A (en) * 2013-11-29 2015-06-03 红板凳科技股份有限公司 Infrared remote controller capable of remotely updating control code
CN104851277A (en) * 2015-05-05 2015-08-19 佛山博朗德技术有限公司 Full-control type remote controller and implementing method thereof based on waveform downloading and address selecting
CN101556478B (en) * 2008-04-12 2016-05-11 丹佛斯公司 For the control device of at least one heating, air-conditioning, ventilation or refrigeration system
CN105913636A (en) * 2016-05-09 2016-08-31 常州市永伟电子有限公司 Management method for auxiliary remote controller of electric appliance
CN109686076A (en) * 2018-12-28 2019-04-26 天长市志铖电子科技有限公司 A kind of control method and remote controler of remote controler

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CN101556478B (en) * 2008-04-12 2016-05-11 丹佛斯公司 For the control device of at least one heating, air-conditioning, ventilation or refrigeration system
CN101620770B (en) * 2008-07-02 2011-10-12 浩鑫股份有限公司 Wireless home control system
CN101833854A (en) * 2010-04-27 2010-09-15 四川长虹电器股份有限公司 Universal remote control with USB interface and remote control code interacting method
CN102215604A (en) * 2011-03-31 2011-10-12 杭州芯赛微电子有限公司 Method for realizing network download infrared remote control function by mobile phone
CN102243804A (en) * 2011-06-23 2011-11-16 无锡物联网产业研究院 Learning type infrared remote control device based on wireless sensing network and implementation method thereof
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