CN202931467U - Television remote controller and television set - Google Patents
Television remote controller and television set Download PDFInfo
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- CN202931467U CN202931467U CN 201220604239 CN201220604239U CN202931467U CN 202931467 U CN202931467 U CN 202931467U CN 201220604239 CN201220604239 CN 201220604239 CN 201220604239 U CN201220604239 U CN 201220604239U CN 202931467 U CN202931467 U CN 202931467U
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Abstract
The utility model discloses a television remote controller, comprising a light-sensitive button control panel provided with several light-sensitive buttons and an internal control circuit for controlling the communication between the television remote controller and the television set. The internal control circuit comprises a light-sensitive button control circuit, a signal input circuit and a decoding circuit; the light-sensitive button control signal output after acquisition light change is input by the light-sensitive button control circuit to the decoding circuit through the signal input circuit; and the decoding circuit detects the light-sensitive button control signal and decodes, and a button code which can be identified by the television set is sent to the television set according to the decoding result. The utility model also discloses the television set, which receives the button code transmitted by the television remote controller and carries out corresponding control operation according to the button code. According to the television remote controller and the television set, the television set is controlled by touching the light-sensitive buttons, the sensitivity and accuracy of the television remote controller are raised, operation is simple, and usage is convenient.
Description
Technical field
The utility model relates to TV technology, relates in particular to a kind of TV remote controller and television set.
Background technology
At present, remote controller has been popularized the fields such as industrial, military, civilian, the electrical home appliances used in people's daily life, and such as television set, air conditioner, sound equipment, computer, game machine etc., all can utilize remote controller to control.In prior art, the remote controller of most of television sets is controlled television set by the function key of pressing on remote controller, when the user wants to watch a certain view level, need to search one by one and switch, and just finds the grade that will watch, and this operation is not too convenient.In addition, after remote controller is aging, some button on remote controller is because loose contact need to be pressed continuously repeatedly and could be responded, or some button damages and malfunctioning, causes using inconvenience.Moreover, in prior art, mostly adopt the infrared key commands that waits induction technology to receive the user, but this type of remote controller less stable easily is subject to the interference of other continuous light sources and malfunctioning, and then affects the normal use of remote controller.
Summary of the invention
Malfunctioning for remote controller processing ease of the prior art, react sensitive not defect, the utility model proposes a kind of TV remote controller and television set, be intended to improve sensitivity and the accuracy of TV remote controller.
In order to achieve the above object, the utility model proposes a kind of TV remote controller, this TV remote controller comprises the light sensation keying front plate that is provided with some light sensation buttons and, for controlling the internal control circuit of described TV remote controller and television set communication, described internal control circuit comprises light sensation keying circuit, signal input circuit and decoding circuit; Wherein:
Described light sensation keying circuit, according to the rate of change of the light collected, is exported a light sensation keying signal to described signal input circuit; Described signal input circuit, according to the level state of described light sensation keying signal, selects whether to trigger described decoding circuit; If described decoding circuit is triggered, detect described light sensation keying signal, and decoding, send the button code value of described TV function identification to described television set according to decode results.
Preferably, described internal control circuit also comprises light drive circuit, described light drive circuit is connected with described light sensation keying circuit, and described light drive circuit comprises powered battery end, working power input, the first light sensation device, the first triode, field effect transistor and at least one voltage generation unit; Wherein:
The power end of described the first light sensation device is connected with described powered battery end, earth terminal ground connection, and the output of described the first light sensation device is connected with the base stage of described the first triode through described voltage generation unit; The grounded emitter of described the first triode, the collector electrode of described the first triode is connected with the grid of described field effect transistor; The source electrode of described field effect transistor is connected with described powered battery end, and its drain electrode is connected with described working power input.
Preferably, each described voltage generation unit comprises the first resistance, the second resistance and the first electric capacity; Described the first electric capacity is in parallel with described the second resistance, and a common port is connected between the base stage of described the first resistance and described the first triode, another common end grounding.
Preferably, described light drive circuit also comprises the 3rd resistance, the 4th resistance and the second electric capacity; Described the 3rd resistance is connected between the grid of the collector electrode of described the first triode and described field effect transistor; One end of described the second electric capacity is connected with described working power input, and the other end is connected with the emitter of described the first triode, and through described the 4th grounding through resistance.
Preferably, described light sensation keying circuit comprises some light sensation keyings unit, and each described light sensation keying unit comprises the second light sensation device, the 5th resistance, the 6th resistance, the 3rd electric capacity and signal output part; Wherein:
The power end of described the second light sensation device is connected with described working power input, earth terminal ground connection, and the output of described the second light sensation device is connected with described signal output part through described the 5th resistance; Described the 6th resistance and the 3rd Capacitance parallel connection, a common port is connected between described the 5th resistance and signal output part, another common end grounding.
Preferably, described signal input circuit comprises some signal input unit, and each described signal input unit comprises signal input part, the second triode and the 3rd triode; Wherein:
Described signal input part is connected with the signal output part of described light sensation keying circuit, and is connected with the base stage of described the second triode; The collector electrode of described the second triode is connected with the base stage of described the 3rd triode, and is connected the grounded emitter of described the second triode with described working power input.
Preferably, each described signal input unit also comprises the 7th resistance, the 8th resistance and the 9th resistance; Described the 7th resistance is connected between the base stage of described signal input part and described the second triode; One end of described the 8th resistance is connected between the base stage of described the 7th resistance and described the second triode, other end ground connection; Described the 9th resistance is connected between the base stage and described working power input of described the 3rd triode.
Preferably, described decoding circuit comprises coding chip, the 4th triode, infrared diode and crystal oscillator; Wherein:
The 4th pin of described coding chip is connected with the collector electrode of described the 3rd triode, the 22nd pin is connected with the emitter of described the 3rd triode, the 24th pin is connected with described working power input, the 6th pin is connected with the base stage of described the 4th triode, the 8th pin is connected with two starting of oscillation pins of described crystal oscillator respectively with the 9th pin, the 10th pin ground connection; The grounding pin ground connection of described crystal oscillator; The collector electrode of described the 4th triode is connected with described working power input, and emitter is through described infrared diode ground connection.
Preferably, described decoding circuit also comprises the tenth resistance, the 11 resistance and the 4th electric capacity; Described the tenth resistance is connected between the collector electrode of the 4th pin of described coding chip and described the 3rd triode, described the 11 resistance is connected with the negative electrode of described infrared diode, one end of described the 4th electric capacity is connected with the 24th pin of described coding chip, other end ground connection.
The utility model further also proposes a kind of television set, and this television set receives the button code value that described TV remote controller sends, and carries out corresponding control operation according to described button code value.
The TV remote controller the utility model proposes utilizes the light sensation button to respond to the operation of user to button, when the user has operation on the light sensation button, can accurately identify operated light sensation button, and then send corresponding button code value to television set, realization is controlled television set, improves sensitivity and the accuracy of TV remote controller.
The accompanying drawing explanation
The structured flowchart that Fig. 1 is the preferred embodiment of the utility model TV remote controller;
Fig. 2 is the arrange schematic diagram of preferred embodiment of the light sensation button on light sensation keying front plate in the utility model TV remote controller;
The circuit diagram that Fig. 3 is light drive circuit preferred embodiment in the utility model TV remote controller;
The circuit diagram that Fig. 4 is a light sensation keying unit in the utility model TV remote controller;
The circuit diagram that Fig. 5 is a signal input unit in the utility model TV remote controller;
The circuit diagram that Fig. 6 is decoding circuit preferred embodiment in the utility model TV remote controller;
The schematic diagram that Fig. 7 is the order preferred embodiment of touching light sensation button when in the utility model TV remote controller, graphical passwords is for " Z " word.
The realization of the purpose of this utility model, functional characteristics and advantage, in connection with embodiment, and be described further with reference to accompanying drawing.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
See figures.1.and.2, the structured flowchart that Fig. 1 is the preferred embodiment of the utility model TV remote controller; Fig. 2 is the arrange schematic diagram of preferred embodiment of the light sensation button on light sensation keying front plate in the utility model TV remote controller.
In the present embodiment, TV remote controller comprises light sensation keying front plate 100 and internal control circuit 200, be provided with some light sensation buttons on light sensation keying front plate 100, as the G11 to G14 in Fig. 2, G21 to G24, G31 to G34 and G41 to G44, internal control circuit 200 is for controlling the communication between TV remote controller and television set.
Particularly, internal control circuit 200 comprises light sensation keying circuit 220, signal input circuit 230 and decoding circuit 240.
Wherein, the light on light sensation keying circuit 220 Real-Time Monitoring light sensation buttons changes, and according to the rate of change of the light collected, exports a light sensation keying signal to signal input circuit 230; Signal input circuit 230, according to the level state of light sensation keying signal, selects whether to trigger decoding circuit 240; If decoding circuit 240 is triggered, detect the light sensation keying signal, and decoding, the button code value that sends the identification of TV function according to decode results is to television set, and then realization is to the control of television set.
In the present embodiment, when the light sensation button on light sensation keying front plate 100 is touched, the light of light sensation keytop changes, light sensation keying circuit 220 is according to the variation of the light collected, export a light sensation keying signal to signal input circuit 230, signal input circuit 230 is according to the level state of this light sensation keying signal, select to trigger or do not trigger decoding circuit 240, if trigger decoding circuit 240, decoding circuit 240 detects the light sensation keying signal, confirm which light sensation button is touched, after the figure that a plurality of light sensation buttons that perhaps are touched form, light sensation keying signal is now carried out to decoding, the light sensation keying signal forms digital button code value after decoding, this button code value transfers to the infrared receiving terminal of television set after modulation, television set is controlled accordingly.
The present embodiment utilizes the light sensation button to respond to the operation of user to button, when the user has operation on the light sensation button, can accurately identify operated light sensation button, and then sends corresponding button code value to television set, realizes controlling television set.
TV remote controller in the present embodiment, except the function with normal remote control, also has the figure encryption function, for television boot-strap is encrypted.The user can set in advance the encryption figure according to actual conditions and be encrypted, different grades can also be set, different grades is provided with corresponding password (for example graphical passwords), be specially and according to different user, graphical passwords be set be encrypted on light sensation keying front plate 100, also view level can be set, when each start, on light sensation keying front plate 100 according to set graphical passwords, input set graphical passwords in the mode that touches the light sensation button, start after the television set checking, and open corresponding view level, the user just can watch corresponding content on television set.
In conjunction with Fig. 1 and Fig. 3, the structured flowchart that Fig. 1 is the preferred embodiment of the utility model TV remote controller; The circuit diagram that Fig. 3 is light drive circuit 210 preferred embodiments in the utility model TV remote controller.
Based on above-described embodiment, internal control circuit 200 also comprises light drive circuit 210, whether light drive circuit 210 works for control light sensation keying circuit 220 according to external environment light, when the external environment light intensity does not reach the first pre-set threshold value that makes 220 normal operations of light sensation keying circuit, light drive circuit 210 does not provide operating voltage to light sensation keying circuit 220, so that light sensation keying circuit 220 can not be worked; When the external environment light intensity reaches the first pre-set threshold value that makes 220 normal operations of light sensation keying circuit, light drive circuit 210 provides operating voltage to light sensation keying circuit 220, makes 220 normal operations of light sensation keying circuit.
In the present embodiment, light drive circuit 210 comprises powered battery end V
iN, working power input V
sTB, the first light sensation device G01, the first triode Q01, field effect transistor Q02 and at least one voltage generation unit, the present embodiment is provided preferably with the first voltage generation unit 211 and second voltage generation unit 212.In the present embodiment, the first triode Q01 is NPN type triode, and field effect transistor Q02 is the P-channel field-effect transistor (PEFT) pipe, and field effect transistor Q02 is built-in with diode, plays protection and afterflow effect.
Wherein, the power end VCC of the first light sensation device G01 and powered battery end V
iNconnect, the earth terminal GND ground connection of the first light sensation device G01, the output IO of the first light sensation device G01 is connected with the base stage of the first triode Q01 through voltage generation unit 211 and 212; The grounded emitter of the first triode Q01, the collector electrode of the first triode Q01 is connected with the grid of field effect transistor Q02; The source electrode of field effect transistor Q02 and powered battery end V
iNconnect its drain electrode and working power input V
sTBconnect.
Particularly, each voltage generation unit (as the first voltage generation unit 211 in Fig. 3) comprises the first resistance R 01, the second resistance R 02 and the first capacitor C 01; Wherein, the first capacitor C 01 is in parallel with the second resistance R 02, and a common port is connected between the base stage of the first resistance R 01 and the first triode Q01, another common end grounding.
The first light sensation device G01 Real-Time Monitoring surround lighting, when the external environment light collected changes, the output IO output current signal of the first light sensation device G01, this current signal is after the first resistance R 01 of the first voltage generation unit 211, the second resistance R 02 ground connection, produce voltage signal at the first capacitor C 01 two ends, for the base stage of the first triode Q01 provides voltage.The present embodiment only be take the first voltage generation unit 211 and is described as example, if be provided with a plurality of voltage generation units, the structure of each voltage generation unit and principle are with reference to structure and the principle of above-mentioned the first voltage generation unit 211.
Particularly, light drive circuit 210 also comprises the 3rd resistance R 03, the 4th resistance R 04 and the second capacitor C 02; The 3rd resistance R 03 is connected between the grid of the collector electrode of the first triode Q01 and field effect transistor Q02; One end of the second capacitor C 02 and working power input V
sTBconnect, the other end of the second capacitor C 02 is connected with the emitter of the first triode Q01, and through described the 4th resistance R 04 ground connection.
In the present embodiment, light drive circuit 210 is not worked or works for controlling light sensation keying circuit 220, and its concrete principle is:
When the external environment light ratio is darker, when the external environment light intensity that the first light sensation device G01 collects is less than the first predetermined threshold value, wherein this first predetermined threshold value can need to set suitable value according to design, the electric current of the first light sensation device G01 output is very little, the voltage formed in the base stage of the first triode Q01 can't drive the first triode Q01, thereby make the grid of field effect transistor Q02 and the voltage difference between source electrode be not enough to drive field effect transistor Q02, now between the grid of field effect transistor Q02 and source electrode, be equivalent to short circuit, so that not conducting of field effect transistor Q02, powered battery end V
iNnot to the working power input V of connected light sensation keying battle array circuit
sTBpower supply, light sensation keying circuit 220 can not worked owing to there is no enough driving voltages.
When the external environment light ratio is bright, when the light intensity that the first light sensation device G01 collects is greater than the first predetermined threshold value, the current ratio of the first light sensation device G01 output is larger, the first triode Q01 flows through, the voltage formed in the base stage of the first triode Q01 impels the first triode Q01 conducting, thereby the grid of being on the scene effect pipe Q02 and the voltage difference between source electrode are large to driving field effect transistor Q02 conducting, powered battery end V
iNworking power input V to connected light sensation keying battle array circuit
sTBpower supply, light sensation keying circuit 220 obtains enough driving voltages and works.
Whether the present embodiment utilizes light drive circuit 210 to control light sensation keying circuit 220 according to the size of external environment light and works, guarantee when the user enters in dark space, prevent that the TV remote controller induction light from changing and auto-unlocking or now the user operate the situations such as reactionless, avoid the misoperation of TV remote controller, improve the performance of TV remote controller, further guarantee the validity that TV remote controller is used.
In conjunction with Fig. 1, Fig. 2 and Fig. 4, the structured flowchart that Fig. 1 is the preferred embodiment of the utility model TV remote controller; Fig. 2 is the arrange schematic diagram of preferred embodiment of the light sensation button on light sensation keying front plate in the utility model TV remote controller; The circuit diagram that Fig. 4 is a light sensation keying unit in the utility model TV remote controller.
In the present embodiment, light sensation keying circuit 220 comprises some light sensation keyings unit, and each light sensation keying unit comprises the second light sensation device G02, the 5th resistance R 05, the 6th resistance R 06, the 3rd capacitor C 03 and signal output part V
lS1.
Wherein, the power end VCC of the second light sensation device G02 and working power input V
sTBconnect, the earth terminal GND ground connection of the second light sensation device G02, the output IO of the second light sensation device G02 is through the 5th resistance R 05 and signal output part V
lS1connect; The 6th resistance R 06 and the 3rd capacitor C 03 parallel connection, a common port is connected in the 5th resistance R 05 and signal output part V
lS1between, another common end grounding.
The second light sensation device G02 can be according to the variation size of the light collected, output high level or low level light sensation keying signal, when the light of the light sensation keytop on light sensation keying front plate 100 changes, the second light sensation device G02 recognizes light and changes, at its output IO output current signal, this current signal is after the 5th resistance R 05 and the 6th resistance R 06 flow to ground, form voltage signal, produce the light sensation keying signal, and the light sensation keying signal is exported in signal input circuit 230.
When the rate of change that the light of light sensation keytop detected as the second light sensation device G02 is greater than the second predetermined threshold value, be that the user is while having operation, the light sensation keying signal of these light sensation keying circuit 220 output low levels, when the rate of change that the light of light sensation keytop detected as the second light sensation device G02 is less than the second predetermined threshold value, while being the user without operation, the light sensation keying signal of light sensation keying circuit 220 output high level.In the present embodiment, the second predetermined threshold value can be set as required.
The present embodiment only be take the structure of a light sensation keying unit and operation principle and is described as structure and the operation principle of example to light sensation keying circuit 220, light sensation number of keys on the corresponding light sensation keying of the present embodiment front plate 100, be provided with the light sensation keying unit corresponding with the light sensation number of keys, each light sensation keying unit is identical with structure and the operation principle of above-mentioned light sensation keying unit, repeats no more herein.The present embodiment is provided preferably with 16 light sensation keying unit, correspondingly, be provided with 16 light sensation buttons on light sensation keying front plate 100, as the G11 in Fig. 2, G12, G13, G14, G21, G22, G23, G24, G31, G32, G33, G34, G41, G42, G43 and G44, these light sensation buttons are arranged according to regular square.Can increase or reduce the quantity of light sensation keying unit as required, all light sensation buttons are arranged into to arbitrary graphic.
In conjunction with Fig. 1, Fig. 4 and Fig. 5, the structured flowchart that Fig. 1 is the preferred embodiment of the utility model TV remote controller; The circuit diagram that Fig. 4 is a light sensation keying unit in the utility model TV remote controller; The circuit diagram that Fig. 5 is a signal input unit in the utility model TV remote controller.
In the present embodiment, signal input circuit 230 comprises some signal input unit, and each signal input unit comprises signal input part V
lS2, the second triode Q03 and the 3rd triode Q04.
Wherein, signal input part V
lS2signal output part V with light sensation keying circuit 220
lS1connect, and be connected with the base stage of the second triode Q03; The collector electrode of the second triode Q03 is connected with the base stage of the 3rd triode Q04, and with working power input V
sTBconnect the grounded emitter of the second triode Q03.
Particularly, each signal input unit also comprises the 7th resistance R 07, the 8th resistance R 08 and the 9th resistance R 09; The 7th resistance R 07 is connected in signal input part V
lS2and between the base stage of the second triode Q03; One end of the 8th resistance R 08 is connected between the base stage of the 7th resistance R 07 and the second triode Q03, the other end ground connection of the 8th resistance R 08; The 9th resistance R 09 is connected in base stage and the working power input V of the 3rd triode Q04
sTBbetween.
When the user has operation, the light sensation keying signal that signal input circuit 230 receives is high level, the second triode Q03 saturation conduction, and the base stage of the 3rd triode Q04 is low level, the 3rd not conducting of triode Q04 work, do not trigger decoding circuit 240.
As the user, without when operation, the light sensation keying signal that signal input circuit 230 receives is low level, the second not conducting of triode Q03 work, and the base stage of the 3rd triode Q04 is high level, the 3rd triode Q04 conducting work, and trigger decoding circuit 240.
In conjunction with Fig. 1, Fig. 5 and Fig. 6, the structured flowchart that Fig. 1 is the preferred embodiment of the utility model TV remote controller; The circuit diagram that Fig. 5 is a signal input unit in the utility model TV remote controller; The circuit diagram that Fig. 6 is decoding circuit 240 preferred embodiments in the utility model TV remote controller.
In the present embodiment, decoding circuit 240 comprises coding chip U01, the 4th triode Q05, infrared diode D01 and crystal oscillator X01.
Wherein, the 4th pin of coding chip U01 is connected with the collector electrode of the 3rd triode Q04, the 22nd pin is connected with the emitter of the 3rd triode Q04, in Fig. 5 and Fig. 6, the network label is that SEN1 means that the 4th pin of coding chip U01 is connected with the collector electrode of the 3rd triode Q04, and the network label is that DRV1 means that the 22nd pin of coding chip U01 is connected with the emitter of the 3rd triode Q04; The 24th pin of coding chip U01 and working power input V
sTBconnect, the 6th pin of coding chip U01 is connected with the base stage of the 4th triode Q05, and the 8th pin of coding chip U01 is connected with two starting of oscillation pins of crystal oscillator X01 respectively with the 9th pin, the 10th pin ground connection of coding chip U01; The grounding pin ground connection of crystal oscillator X01; The collector electrode of the 4th triode Q05 and working power input V
sTBconnect, emitter is through infrared diode D01 ground connection.
Particularly, decoding circuit 240 also comprises the tenth resistance R the 10, the 11 resistance R 11 and the 4th capacitor C 04; The tenth resistance R 10 is connected between the collector electrode of the 4th pin of coding chip U01 and the 3rd triode Q04, the 11 resistance R 11 is connected with the negative electrode of infrared diode D01, one end of the 4th capacitor C 04 is connected with the 24th pin of coding chip U01, the other end ground connection of the 4th capacitor C 04.
The light sensation keying signal that 240 pairs of decoding circuits receive is detected, confirm to have which this touch of light sensation button, perhaps there is continuously which light sensation button to be touched, analyze the figure that all light sensation buttons that are touched form, the light sensation keying signal produced is carried out to decoding, export digital button code value, after to this, digital button code value is modulated again, send to television set the button code value that television set can be identified by infrared diode D01, complete and television set between communication, realize controlling television set.
The utility model TV remote controller adopts the light sensation button to respond to the operation of user to button, when the user has operation on the light sensation button, TV remote controller can accurately be identified operated light sensation button, and then send corresponding button code value to television set, realization is controlled television set, improves sensitivity and the accuracy of TV remote controller.
The utility model TV remote controller, except the key controlled function with normal remote control, also has the figure encryption function, by graphical passwords is set, television boot-strap is encrypted, and view level is set; When on light sensation keying front plate 100, in the mode that touches the light sensation button, inputting the graphical passwords of being encrypted, just can on television set, watch corresponding content, simple to operate, easy to use, and get rid of the interference of other programme contents, viewing effect is better.
The utility model further also proposes a kind of television set, and this television set receives the button code value that TV remote controller sends, and carries out corresponding control operation according to the button code value.
In the present embodiment, in TV set terminal, user name is set, default view level, for example the grade of television set information source, television program, the setting that shows image, sound equipment are set, and set graphical passwords, when turning on television set at every turn, television set operation interface prompting user tablet pattern password, input in the mode that touches the light sensation button graphical passwords of being encrypted on light sensation keying front plate 100, start after the graphical passwords that the television set checking is inputted is correct, and open default view level, as shown in Figure 7, the schematic diagram that Fig. 7 is the order preferred embodiment of touching light sensation button when in the utility model TV remote controller, graphical passwords is for " Z " word, when the graphical passwords of setting is " Z " font, can on light sensation keying front plate 100, touch successively G11, G12, G13, G14, G23, G32, G41, G42, G43 and G44 are as the graphical passwords that will input.
The present embodiment can arrange a plurality of user names in TV set terminal, and selected user name, and each chosen user name, all can preset required view level.The user, by input and the corresponding graphical passwords of grade, just can watch corresponding television content on television set, simple to operate, easy to use, and gets rid of the interference of other programme contents, and viewing effect is better.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (10)
1. a TV remote controller, comprise the light sensation keying front plate that is provided with some light sensation buttons and for controlling the internal control circuit of described TV remote controller and television set communication, it is characterized in that, described internal control circuit comprises light sensation keying circuit, signal input circuit and decoding circuit; Wherein:
Described light sensation keying circuit, according to the rate of change of the light collected, is exported a light sensation keying signal to described signal input circuit; Described signal input circuit, according to the level state of described light sensation keying signal, selects whether to trigger described decoding circuit; If described decoding circuit is triggered, detect described light sensation keying signal, and decoding, send the button code value of described TV function identification to described television set according to decode results.
2. TV remote controller as claimed in claim 1, it is characterized in that, described internal control circuit also comprises light drive circuit, described light drive circuit is connected with described light sensation keying circuit, and described light drive circuit comprises powered battery end, working power input, the first light sensation device, the first triode, field effect transistor and at least one voltage generation unit; Wherein:
The power end of described the first light sensation device is connected with described powered battery end, earth terminal ground connection, and the output of described the first light sensation device is connected with the base stage of described the first triode through described voltage generation unit; The grounded emitter of described the first triode, the collector electrode of described the first triode is connected with the grid of described field effect transistor; The source electrode of described field effect transistor is connected with described powered battery end, and its drain electrode is connected with described working power input.
3. TV remote controller as claimed in claim 2, is characterized in that, each described voltage generation unit comprises the first resistance, the second resistance and the first electric capacity; Described the first electric capacity is in parallel with described the second resistance, and a common port is connected between the base stage of described the first resistance and described the first triode, another common end grounding.
4. TV remote controller as claimed in claim 3, is characterized in that, described light drive circuit also comprises the 3rd resistance, the 4th resistance and the second electric capacity; Described the 3rd resistance is connected between the grid of the collector electrode of described the first triode and described field effect transistor; One end of described the second electric capacity is connected with described working power input, and the other end is connected with the emitter of described the first triode, and through described the 4th grounding through resistance.
5. TV remote controller as described as any one in claim 1 to 4, it is characterized in that, described light sensation keying circuit comprises some light sensation keyings unit, and each described light sensation keying unit comprises the second light sensation device, the 5th resistance, the 6th resistance, the 3rd electric capacity and signal output part; Wherein:
The power end of described the second light sensation device is connected with described working power input, earth terminal ground connection, and the output of described the second light sensation device is connected with described signal output part through described the 5th resistance; Described the 6th resistance and the 3rd Capacitance parallel connection, a common port is connected between described the 5th resistance and signal output part, another common end grounding.
6. TV remote controller as claimed in claim 5, is characterized in that, described signal input circuit comprises some signal input unit, and each described signal input unit comprises signal input part, the second triode and the 3rd triode; Wherein:
Described signal input part is connected with the signal output part of described light sensation keying circuit, and is connected with the base stage of described the second triode; The collector electrode of described the second triode is connected with the base stage of described the 3rd triode, and is connected the grounded emitter of described the second triode with described working power input.
7. TV remote controller as claimed in claim 6, is characterized in that, each described signal input unit also comprises the 7th resistance, the 8th resistance and the 9th resistance; Described the 7th resistance is connected between the base stage of described signal input part and described the second triode; One end of described the 8th resistance is connected between the base stage of described the 7th resistance and described the second triode, other end ground connection; Described the 9th resistance is connected between the base stage and described working power input of described the 3rd triode.
8. TV remote controller as described as claim 1 or 7, is characterized in that, described decoding circuit comprises coding chip, the 4th triode, infrared diode and crystal oscillator; Wherein:
The 4th pin of described coding chip is connected with the collector electrode of described the 3rd triode, the 22nd pin is connected with the emitter of described the 3rd triode, the 24th pin is connected with described working power input, the 6th pin is connected with the base stage of described the 4th triode, the 8th pin is connected with two starting of oscillation pins of described crystal oscillator respectively with the 9th pin, the 10th pin ground connection; The grounding pin ground connection of described crystal oscillator; The collector electrode of described the 4th triode is connected with described working power input, and emitter is through described infrared diode ground connection.
9. TV remote controller as claimed in claim 8, is characterized in that, described decoding circuit also comprises the tenth resistance, the 11 resistance and the 4th electric capacity; Described the tenth resistance is connected between the collector electrode of the 4th pin of described coding chip and described the 3rd triode, described the 11 resistance is connected with the negative electrode of described infrared diode, one end of described the 4th electric capacity is connected with the 24th pin of described coding chip, other end ground connection.
10. a television set, is characterized in that, described television set receives the button code value that TV remote controller sends as in one of claimed in any of claims 1 to 9, and carry out corresponding control operation according to described button code value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604239 CN202931467U (en) | 2012-11-15 | 2012-11-15 | Television remote controller and television set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604239 CN202931467U (en) | 2012-11-15 | 2012-11-15 | Television remote controller and television set |
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| Publication Number | Publication Date |
|---|---|
| CN202931467U true CN202931467U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604239 Expired - Lifetime CN202931467U (en) | 2012-11-15 | 2012-11-15 | Television remote controller and television set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202931467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539277A (en) * | 2014-10-13 | 2015-04-22 | 广东美的集团芜湖制冷设备有限公司 | Light-operated key |
| CN105259967A (en) * | 2015-10-12 | 2016-01-20 | 珠海格力电器股份有限公司 | Remote controller control circuit and control method thereof |
-
2012
- 2012-11-15 CN CN 201220604239 patent/CN202931467U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539277A (en) * | 2014-10-13 | 2015-04-22 | 广东美的集团芜湖制冷设备有限公司 | Light-operated key |
| CN104539277B (en) * | 2014-10-13 | 2018-08-17 | 广东美的集团芜湖制冷设备有限公司 | Light-operated button |
| CN105259967A (en) * | 2015-10-12 | 2016-01-20 | 珠海格力电器股份有限公司 | Remote controller control circuit and control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
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| CX01 | Expiry of patent term |