CN2178970Y - TV remote controllor with aural transmitting receive - Google Patents
TV remote controllor with aural transmitting receive Download PDFInfo
- Publication number
- CN2178970Y CN2178970Y CN93234250U CN93234250U CN2178970Y CN 2178970 Y CN2178970 Y CN 2178970Y CN 93234250 U CN93234250 U CN 93234250U CN 93234250 U CN93234250 U CN 93234250U CN 2178970 Y CN2178970 Y CN 2178970Y
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- China
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- circuit
- sound
- signal
- sound accompaniment
- remote
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- Expired - Fee Related
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Abstract
The utility model discloses a TV remote controller with sound transmitting and receiving, which is mainly composed of a remote control transmitter handset, an infrared sound transmitting and receiving circuit, etc. The TV remote controller with sound transmitting and receiving is characterized in that a sound receiving device is arranged in the remote control transmitter handset. A sound transmitting key on the remote control transmitter handset is pressed, and a TV silences. The sound transmitting function identifies channel selecting circuits to control the sound transmitting. An earphone is inserted in the sound output socket of the remote control transmitter handset, and the TV sound can be heard. The remote control transmitting infrared sound receiving can be realized. The utility model has the advantages of shapely integrality and convenient use. The sound can not influence the study of children, and can not disturb the rest of family members or neighbors.
Description
The utility model relates to a kind of TV remote controller with sound accompaniment forwarding reception, increases sound accompaniment and transmit receiving function in existing TV remote controller.
Existing TV remote controller is not with sound accompaniment to transmit receiving system, existing television field frame retransmission unit is made up of sound accompaniment transponder and two parts of aural receiver, be installed in respectively in two casings, power respectively with two Battery packs, during use the transponder input plug is inserted in the earphone jack of television set, use inconvenience, then can not use the television set that does not have earphone jack; Also can only transmit the audio signal of a sound channel in the earphone jack to the television set that picture-in-picture function is arranged.
The purpose of this utility model is will provide a kind of to transmit the TV remote controller that receives with sound accompaniment, wishes to have easy to use, saving material.
The utility model is to realize like this, produce radiating circuit by the distant control function signal, the remote signal receiving circuit, distant control function control transformation circuit, the sound channel input circuit, the audio signal radiating circuit, audio signal receives the reduction circuit and forms, the remote signal receiving circuit links to each other with distant control function control transformation circuit, the distant control function signal is produced the infrared signal reception that radiating circuit sends, processing and amplifying is passed to distant control function control transformation circuit, it is characterized in that: the audio signal reception is gone back primary circuit and is arranged in the remote control transmitter mobile phone, and the sound forwarding capability signal of pretending is produced and emission by the control of remote control transmitter mobile phone; Sound accompaniment forwarding capability identification channel selection circuit is contained in the television set, is used to discern sound accompaniment forwarding capability channel selecting; Sound accompaniment forwarding capability identification channel selection circuit, be connected with audio signal input channel circuit and aural transmitting circuit with above-mentioned distant control function control transformation circuit respectively, the sound accompaniment forwarding capability signal that above-mentioned distant control function signal generation radiating circuit is sent receives, discerns, carries out the selection of sound channel, and audio signal launched, go back primary circuit by above-mentioned audio signal reception and receive, be reduced into sound accompaniment sound.With the mute function key in the existing TV remote controller, realize the remote control of sound accompaniment is transmitted, use the control level signal of the level signal double as sound accompaniment forwarding capability of remote control mute function.
Transmit the TV remote controller that receives according to the band sound accompaniment that above scheme is made, its advantage is: the audio signal receiving circuit directly is contained in the remote control transmitter mobile phone, does not need other casing, and produces the radiating circuit CB common battery with function signal, do not need other packed battery, save material; Sound accompaniment forwarding capability signal is produced and emission by remote control transmitter mobile phone control, make sound accompaniment transmit receiving function and realize remote control, and remote control reduces in one with the audio signal reception, and is easy to use; The audio signal radiating circuit directly is contained in the television set, does not need external sound accompaniment transponder, the television set overall appearance; Sound accompaniment forwarding capability identification channel selection circuit, can make the picture-in-picture function television set, realize the reception of many pictures multi-audio easily, as seeing the program of two channels simultaneously, the sound accompaniment of a channel is sent from TV loudspeaker, and the audio signal of another channel is launched by sound accompaniment, listens to earphone from the sound accompaniment receiving terminal, also but the multichannel sound accompaniment is transmitted simultaneously, is received, and makes the picture in picture TV set practicality stronger; Watch the people of TV programme, can listen to sound accompaniment with earphone by the sound accompaniment receiving terminal, sound accompaniment can not influence child's study and disturb household or neighbours' rest.
Fig. 1 transmits the electrical schematic diagram that receives TV remote controller for the band sound accompaniment;
Fig. 2 is the interface circuit figure of sound accompaniment forwarding capability identification channel selection circuit and audio signal radiating circuit and sound channel input circuit, distant control function control transformation circuit, remote signal receiving circuit;
Fig. 3 produces radiating circuit for the distant control function signal and sound accompaniment receives the reduction circuit diagram;
Fig. 4 is a remote control transmitter handset structure schematic diagram.
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Fig. 1 shows this band sound accompaniment and transmits the electrical block diagram that receives remote controller.Produce radiating circuit control by the distant control function signal and send the sound accompaniment forward signal, this signal is received by the remote signal receiving circuit, through distant control function control transformation processing of circuit, through sound accompaniment forwarding capability identification channel selection circuit, select the sound accompaniment input channel, open aural transmitting circuit, audio signal is imported, and emission, this signal is received by audio signal and goes back the primary circuit reception and be reduced into sound accompaniment.
Fig. 2 shows the interface circuit figure of sound accompaniment forwarding capability identification channel selection circuit and audio signal radiating circuit and sound channel input circuit, distant control function control transformation circuit, remote signal receiving circuit;
Now to have used the magnificent board TC542A-2PD(R of pleasure of Fei Lipu CTV320S remote control system) to increase the sound accompaniment forwarding capability be that identification channel selecting and sound accompaniment emission interface circuit are transmitted in example explanation sound accompaniment to color television set.The sound accompaniment forwarding remote control signal is by the infrared receiver tube V in the remote signal receiving circuit (14)
001Receive, pass to the 1. pin that receives amplification circuit N001CX20106A, through preamplifier, limit spoke amplifier, band pass filter and waveform shaping circuit, by 7. pin through R
111Pass to central microprocessor integrated circuit N103PCA84C640's
Pin is that the distant control function control transformation circuit (15) formed of core is handled the back by 2. pin output control level signal of PCA84C640, through V by PCA84C640
111, R
135, R
136, C
123, C
122The low-pass filter network of forming is through R
156Pass in the sound channel input circuit of being made up of N301TDA4501 and N601TDA1013B (16), the direct current volume control end of audio power amplifier integrated circuit N601TDA1013B is pin 7., C
607Be filter capacitor, the sound accompaniment audio signal is by small-signal processing integrated circuit N301TDA4501's
Pin output is through resistance R
328, C
610, R
604, R
605, C
609Filter network is by C
60The audio input end that 8 are coupled gives N601TDA1013B is pin: V 8.
1, V
2, R
1, R
2, C
1Form aural transmitting circuit (18), C
1A termination N301TDA4501 audio output
The resistance R that pin picks out
328, another termination V
1Base stage, play sound channel input action, R
1Be input divider resistance, R
2Be biasing resistor, V
1Be audio signal amplifier tube, V
2Be the sound accompaniment infrared emission tube; Sound accompaniment forwarding capability identification channel selection circuit (17) is by power switch circuit TWH8751, V
3, R
3, C
2Form, the TWH8751 operating voltage is 12～24V, and 5. pin connects positive source, and 3. pin connects power cathode, 4. pin is an output, 1. pin is an input, and 2. pin is the gating end, when add at 2. pin high level (〉=1.6V) time output 4. pin present high level immediately, when add at 2. pin low level (≤1.2V) time, output 4. pin is a low level, TWH8751 conducting, diode V
3Meet 2. pin pulse-width signal output resistance R of N103PCA84C640
135, with the volume control signal rectification through C
2Filtering is delivered to 2. pin of TWH8751, R
3Be current-limiting resistance, TWH8751 4. pin is connected on triode V
1Emitter on, V
2Be connected on V
1Collector electrode on, V
2And R
2Current-limiting resistance R with TWH8751
3Be connected on same positive source, when pressing quiet key (3) on the remote control transmitter mobile phone, this function signal produces radiating circuit (12) by the distant control function signal and sends, by V
001N001CX20106A is passed in reception, after treatment, pass to N103PCA84C640 again, through central microprocessor processing, computing, make the 2. pin output low level of PCA84C640, at this moment, the direct current volume control end of audio power amplifier N601TDA1013B 7. pin becomes low level, the output volume minimum reaches quiet purpose, and the low level of the 2. pin of PCA84C640 output simultaneously is by V
3Insert 2. pin of TWH8751,2. pin is discerned this level voltage≤1.2V, TWH8751 conducting, V
1Launch very low level, opened V
1, V
2, R
2The power supply of the aural transmitting circuit of forming (18), audio signal is through C
1The coupling input is by V
1Amplify, promote infrared emission tube V again
2The emission audio signal; When the remote control transmitter mobile phone was not launched mute function command signal or the quiet instruction of emission cancellation: WTH8751 is pin level 〉=1.6V 2., and 4. pin is exported high level, is in cut-off state, V
1Outage can not be worked; There is control level to pass to TDA1013B 7. during pin at the 2. pin of PCA84C640; WTH8751 is pin level 〉=1.6V 2., and 4. pin output high level is in cut-off state, V
1Outage, aural transmitting circuit (18) is not worked, and TDA1013B has sound accompaniment output.Identification channel selection circuit (17) is transmitted in sound accompaniment and aural transmitting circuit (18) all is contained in the television set.
The radiating circuit of transmitting two kinds of sound accompaniments for multipicture TV set simultaneously can be with two kinds of audio signals, and modulation respectively as one road FM modulation 95KHZ, to another road FM modulation 245KHZ, is distinguished amplifying emission again.
For multipicture TV set, sound accompaniment forwarding capability identification and channel selecting, can be by the PCA84C640 integrated circuit
Pin controls,
Pin is the sound accompaniment control output end, according to remote control command, is used to control the sound accompaniment state of required selection, language I or II during such as two sound accompaniment; Stereo or pressure single-tone when stereo etc., when
During the pin low level, sound accompaniment is controlled to be manual single-tone or language I; When
When pin was high level, sound accompaniment was controlled to be stereo or the language II; Utilize
The high level of pin and low level state, the control trigger is selected to transmit to multiple sound channel, realizes with remote controller handset the remote control of key frame or secondary picture sound accompaniment being transmitted.
Fig. 3 shows the distant control function signal and produces transmitter circuit and sound accompaniment reception reduction circuit diagram.Reflector is by the control button, and control signal generation circuit and remote signal drive, illuminating circuit is formed, and the button of reflector connects with matrix-style, SAA3010 9.～
Pin is the button output, forms the row of key-press matrix, 1. pin with
～
Pin is the button input, forms the row of key-press matrix, and integrated circuit SAA3010 is the core of reflector, push button signalling identification, remote signal produce and modulation all within it portion finish,
Pin is external 432KH ceramic resonator, the resistance R that is connected in series between ceramic filter and the ground
4, playing stabilization, signal generator produces corresponding remote signal output under the control of coded command, and modulated signal is by 7. pin output, and the infrared transmitter of reflector is by V
4, V
5, V
6Form R
5, R
6, R
8, R
9Be biasing resistor, R
7, R
10Be current-limiting resistance, 7. the pin output signal meets V
4The ambipolar emitter follower of forming, V
4, V
5Triode is infrared emission tube V
6Driving tube, they are operated on off state, when no signal, triode ends, emitting diode is not worked, when output output order sign indicating number, command code is added to infrared emission tube V after amplifying circuit amplify to drive
6On, command code is launched with ultrared form, finish the remote signal emission function.
V
7, V
8, integrated circuit LM386 forms audio signal and receives and go back primary circuit (13), R
11, R
12, R
13Be biasing resistor, C
4, C
5Be coupling capacitance, C
6Be shunt capacitance, C
7Be output capacitance, Y is an earphone, V
7Be infrared receiver tube, V
8Be amplifier tube, infrared receiver tube V
7, receive the infrared ray audio signal after, be converted into audio signal, through C
4V is delivered in coupling
8Base stage, after amplifying, again by C
5Coupling, the input of delivering to LM386 is pin 3., after power amplification, by 5. pin through output capacitance C
7Pass to earphone Y and be reduced into sound accompaniment, finish the remote control sound accompaniment and transmit receiving function, W is a volume control potentiometer, in order to regulate the size of sound accompaniment, K is that audio signal receives the mains switch of going back primary circuit (13), sound accompaniment receives goes back primary circuit and the shared Battery pack of distant control function signal generation radiating circuit (12), is contained in the casing.
For multipicture TV set, two-way sound accompaniment is simultaneously transmitted to receive and is gone back primary circuit, FM can be modulated at the two-way infrared ray audio signal of 95KHZ and 245KHZ, receive by infrared receiver tube, after preposition amplification, divide the two-way frequency-selecting again, one road LC frequency-selecting 95KHZ, LC frequency-selecting 245KHZ in another road amplifies the limit spoke more respectively, and FM demodulation filtering, power amplifier, promotion earphone separately restore two kinds of sound accompaniments.
Fig. 4 shows the structural representation of remote control transmitter mobile phone, and it is made up of shell (1), function keyboard (2), quiet key (3), distant control function signal generation radiating circuit plate (4), distant control function infrared emission tube (5), audio volume potentiometer (7), sound accompaniment reception reduction circuit board (8), earphone socket (9), mains switch (10), battery (11); At an end top of shell (1) distant control function infrared emission tube (5) and sound accompaniment infrared receiver tube (6) are installed, the distant control function signal is housed in volume potentiometer (7), earphone socket (9), mains switch (10), shell (1) are equipped with in a side of shell (1) produces radiating circuit plate (4) and sound accompaniment reception reduction circuit board (8), their shared Battery packs (11), function keyboard (2) is equipped with on a surface of shell (1), and quiet key (3) and other function key are housed on the function keyboard (2).
Claims (1)
1, a kind of TV remote controller that receives of transmitting with sound accompaniment, mainly produce radiating circuit (12) by remote signal, remote signal receiving circuit (14), distant control function control transformation circuit (15), sound channel input circuit (16), audio signal radiating circuit (18), audio signal receives goes back primary circuit (13) composition, remote signal receiving circuit (14) links to each other with distant control function control transformation circuit (15), the distant control function signal is produced the infrared signal reception that radiating circuit (12) sends, amplify, processing is passed to distant control function control transformation circuit (15) and be it is characterized in that: the sound accompaniment reception is gone back primary circuit (13) and is arranged in the remote control transmitter mobile phone, and sound accompaniment forwarding capability signal is produced and emission by the control of remote control transmitter mobile phone; Sound accompaniment forwarding capability identification channel selection circuit (17), be contained in the television set, be used to discern sound accompaniment forwarding capability channel selecting, sound accompaniment forwarding capability identification channel selection circuit (17), be connected with sound channel input circuit (16) and aural transmitting circuit (18) with above-mentioned distant control function control transformation circuit (15) respectively, above-mentioned distant control function signal is produced the sound accompaniment forwarding capability signal reception that radiating circuit (12) sends, identification, carry out the selection of sound channel, and audio signal launched, go back primary circuit (13) by above-mentioned audio signal reception and receive, be reduced into sound accompaniment sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93234250U CN2178970Y (en) | 1993-07-01 | 1993-07-01 | TV remote controllor with aural transmitting receive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93234250U CN2178970Y (en) | 1993-07-01 | 1993-07-01 | TV remote controllor with aural transmitting receive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2178970Y true CN2178970Y (en) | 1994-10-05 |
Family
ID=33809973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93234250U Expired - Fee Related CN2178970Y (en) | 1993-07-01 | 1993-07-01 | TV remote controllor with aural transmitting receive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2178970Y (en) |
-
1993
- 1993-07-01 CN CN93234250U patent/CN2178970Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: WU JIHUA TO: SUN DEYAN; WU JIHUA |
|
| CP03 | Change of name, title or address |
Address after: 519000, Zhuhai, Xiangzhou, water hang West Village No. 99, Zhuhai long day development company Patentee after: Sun Deyan Patentee after: Wu Jihua Address before: Hunan province Zhuzhou high tech Development Zone Jinke Electrical Machinery Co Ltd Patentee before: Wu Jihua |
|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wu Jihua Document name: payment instructions |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |