CN2549658Y - Wireless audiovisual transmission device for bidirectional communication - Google Patents
Wireless audiovisual transmission device for bidirectional communication Download PDFInfo
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- CN2549658Y CN2549658Y CN 02234580 CN02234580U CN2549658Y CN 2549658 Y CN2549658 Y CN 2549658Y CN 02234580 CN02234580 CN 02234580 CN 02234580 U CN02234580 U CN 02234580U CN 2549658 Y CN2549658 Y CN 2549658Y
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Abstract
The utility model provides a two-way communication wireless audiovisual transmission device, which comprises a launching device and a receiving apparatus. The launching device comprises a 2.4 GHz or 5.7 GHz emissive die set and a UHFHF receiving die set; whereas, the receiving apparatus comprises a 2.4 GHz or 5.7 GHz receiving die set and a UHF emissive die set. The emissive die set is used to transmit an image, a sound and a control instruction after signal processing and modulation, and then transmit to the receiving die set where the signal is demodulated and converted to an image, a sound and an output control instruction to output. While, the UFH emissive die set is used to amalgamate and modulate a control instruction and a simulative audio signal and simultaneously transmit to the UHF receiving die set, so as to demodulate a signal and convert and reduce to a sound signal and an output instruction to output. The utility model realizes the capacity for two-way communication of audio and digital control, and the functions of intercommunication and digital dense lock.
Description
Technical field
The utility model is relevant a kind of wireless image-sound transmitting device, particularly about a kind of wireless image-sound transmitting device of two-way communication.
Background technology
Along with making rapid progress of development in science and technology, the development of wireless image-sound transmitting device reaches its maturity, existing in the market wireless image-sound (Vidio/Audio) transmitting device generally is to use the wireless telecommunications frequency band of 900MHz or 2.4GHz transmission, wherein a kind of wireless image-sound transmitting device 10 of basic model as shown in Figure 1, it is made up of an emitter 12 and a receiving system 14, include a sound treatment circuit 16 in this emitter 12, one blender 18 and a modulator 20, utilize sound treatment circuit 16 to transfer L channel (Audio Left) source of sound and R channel (Audio Right) source of sound to a voice signal, and this voice signal is reached in this blender 18 together with image (Vidio) signal of being seized by the video signal source, be emitted to receiving system 14 after making voice signal and signal of video signal be modulated into the first carrier signal by modulator, with by the demodulator 22 of receiving system 14 inside with the carrier signal demodulation that received and after a sound treatment circuit 24 is handled, the sound that recovers is exported by a loudspeaker device, and signal of video signal is then exported by a display.
And the wireless image-sound transmitting device of known another kind of drone version is to arrange in pairs or groups in the wireless image-sound transmitting device of above-mentioned basic model with the emission and the reception of a UHF signal, with usefulness as transmission one remote controller infrared signal, as shown in Figure 2, be provided with a 2.4GHz emitting mould train 26 and a UHF in one emitter 12 and receive module 28, be provided with a 2.4GHz in one receiving system 14 and receive a module 30 and a UHF emitting mould train 32, the start that this 2.4GHz emitting mould train 26 and 2.4GHz receive module 30 is identical with above-mentioned basic model wireless image-sound transmitting device, receive module 36 and be provided with an infrared ray in the UHF emitting mould train 32, one photoconverter 38 and a UHF modulator 40, utilize infrared ray to receive module 36 and receive one by infrared signal that infrared remote controller sent, and infrared signal is converted to electronic signal and after UHF modulator 40 is tuned as one second carrier signal, launches by this photoconverter 38, UHF in the emitter 12 receives module 28 and then is provided with a UHF demodulator 42, one photoconverter 44 and an infrared module 46, after making UHF reception module 28 receive second carrier signal, utilize UHF demodulator 42 and photoconverter 44 respectively with its demodulation and be reduced into infrared signal, again the infrared signal that solves is launched again so that a remote control left side, the operation in R channel source of sound and video signal source.
Though above-mentioned two kinds of wireless image-sound transmitting devices can provide the convenience of audio-visual transmission, though and the wireless image-sound transmitting device of drone version has the function of far-end remote control than each basic model wireless image-sound transmitting device, and comparatively masses like, but it only is the design of unidirectional remote control and one-way transmission and reception, still it is more advanced to satisfy some, complexity and important use, instant two-way intercommunication function and identification code as sound are locked close function, make this wireless image-sound transmitting device can't be applied in the two-way intercommunication and design of doorbell by the unlatching at cipher control gate etc., and then can't actually satisfy the demands of consumers, therefore the utility model is according to above-mentioned puzzlement, and a kind of wireless image-sound transmitting device of brand-new design is proposed, have the present wireless image-sound transfer function except possessing, have more two-way intercommunication and lock close advantage.
Summary of the invention
Technical problem to be solved in the utility model is, above-mentioned deficiency at prior art, and provide a kind of wireless image-sound transmitting device with two-way communication of two-way intercommunication and the close function of digital phase-locking, this device is realized sound and numerically controlled two-way communications capabilities, and has the advantage with 2.4GHz or 5.7GHz channel one-way transmission image simultaneously.
Above-mentioned technical problem of the present utility model is realized by following technical scheme.
A kind of wireless image-sound transmitting device of two-way communication is characterized in that comprising:
One emitter, it is to comprise that one first channel emitting mould train and one second channel receive module, be provided with one first channel modulator in this first channel emitting mould train, it is that a received signal of video signal, one first voice signal and first control signal that is produced according to one first digital control instruction are tuned as a first carrier signal simultaneously, and go out by one first channel transmission antennas transmit, and be provided with one second channel demodulation device in this second channel reception module; And
One receiving system, it is to comprise that one first channel receives module and one second channel emitting mould train, this first channel receives module and is connected with one first channel reception antenna, and this first channel receives in the module and is provided with one first channel demodulation device, it is this first carrier signal that is received by this first channel reception antenna to be separated recall to this signal of video signal, this first voice signal and this first control signal, and export one first output order according to this first control signal, and be provided with one second channel modulator in this second channel emitting mould train, it is after second control signal that is produced according to the second digital control instruction and a received second sound signal are mixed and being tuned as one second carrier signal, receive module via one second channel transmission antennas transmit to this second channel, recall to this second control signal and this second sound signal so that utilize this second channel demodulation device to separate, and export one second output order according to this second control signal.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
Wherein, the frequency of this first channel is to be selected from 2.4 * 10
9Hertz and 5.7 * 10
9Hertz one of them, and the frequency of this second channel is a hyperfrequency.
Wherein, in this emitter and this receiving system and be respectively arranged with a microprocessor, to control the input of this digital control instruction and the output of this output order by this microprocessor.
Wherein, this signal of video signal in this first channel emitting mould train is from the input in a video signal source and after the conversion process of an image-processing circuit, received by this first channel modulator again, again this video signal source be selected from a charge coupled cell and a high-k metal gate devices one of them.
Wherein, this second sound signal in this first voice signal in this first channel emitting mould train and this second channel emitting mould train is respectively from the input of a microphone and respectively after the conversion process of one first sound treatment circuit and one second sound treatment circuit, and each free this first channel modulator and this second channel modulator receive again.
Wherein, this first control signal and this second control signal are respectively after the conversion process of one first digital processing circuit and one second digital processing circuit, and each free this first channel modulator and this second channel modulator receive again.
Wherein, this signal of video signal that is demodulated by this first channel demodulation device is to export a display to after the conversion of one first video conversion processing of circuit.
Wherein, this first voice signal and this second sound signal that is demodulated respectively by this first channel demodulation device and this second channel demodulation device is to export a loudspeaker device to respectively after one first audio conversion circuit and one second audio conversion circuit treatment conversion.
Wherein, this first control signal and this second control signal that is demodulated respectively by this first channel demodulation device and this second channel demodulation device is to export after the treatment conversion of one first digital conversion circuit and one second digital conversion circuit respectively.
Wherein, this first digital control instruction is to be selected from numerical ciphers instruction, a doorbell key command and a perceptron to instruct one of them, and this first output order is to be selected from buzzer instruction and a cresset indicating device instructs one of them; And this second digital control instruction is to be selected from numerical ciphers instruction and a key switch instructs one of them, and this second output order is to be selected from gate controlled switch instruction and a lamp control switch instructs one of them.
Advantage of the present utility model is:
1, with 2.4GHz or 5.7GHz channel video-audio signal and a control signal are sent to a receiving system after with time modulation by an emitter, utilize the receiving system should be audio-visual and control signal demodulation and oppositely be transmitted back to this emitter again, so that an intercommunication system of highly integrating to be provided with a UHF channel.
2,2.4GHz or 5.7GHz channel and UHF channel are integrated in same device, realizing sound and numerically controlled two-way communications capabilities, and have advantage simultaneously with 2.4GHz or 5.7GHz channel one-way transmission image.
Below illustrate in detail by the specific embodiment conjunction with figs., when the effect that is easier to understand the purpose of this utility model, technology contents, characteristics and is reached.
Description of drawings
Fig. 1 is the block schematic diagram of known a kind of wireless image-sound transmitting device.
Fig. 2 is the block schematic diagram of known another kind of wireless image-sound transmitting device.
Fig. 3 is a block schematic diagram of the present utility model.
Embodiment
The utility model is made up of an emitter 52 and a receiving system 54, as shown in Figure 3, this emitter 52 comprises one first channel emitting mould train, generally be to adopt 2.4GHz emitting mould train 56, its inside is provided with first image-processing circuit 58 that is connected with the exterior video signal source, is sent to the 2.4GHz modulator 60 that it is connected to receive and to handle from the image in video signal source after being converted into a signal of video signal; One first sound treatment circuit 62 is to be connected with the sound source of outside, handles the sound that sound source is imported to receive, and after being converted into a voice signal, reaches in this 2.40Hz modulator 60; One first digital processing circuit 64 is to connect a first microprocessor 66, and be subjected to operator's operation indication and after producing one first control command, the treatment conversion by first digital processing circuit 64 is also to be sent in the 2.4GHz modulator 60 after the control signal in first microprocessor 66; After utilizing this 2.4GHz modulator 60 that this signal of video signal, voice signal and control signal are modulated to a first carrier signal that is suitable for doing to transmit simultaneously, launch by a 2.4GHz transmitting antenna 68.Above-mentioned again first microprocessor 66 also is connected with second digital conversion circuit 72 that one second channel receives in the module, it generally is to adopt UHF to receive module 70 that this second channel receives module, wherein be provided with a UHF reception antenna 74, it is to be connected with a UHF demodulator 76, the output of UHF demodulator 76 then is connected to this second digital conversion circuit 72 and one second audio conversion circuit 78, and makes the output of second audio conversion circuit 78 be connected to a loudspeaker device.
Wherein, above-mentioned video signal source generally is to adopt a charge coupled cell (Charged CoupledDevice, CCD) or a high-k metal gate devices (CMOS), sound source then is a microphone, above-mentioned again emitter is the front door that is installed in general residential building, and the operational order that first microprocessor 66 is received is the input for a numerical ciphers, doorbell button or perceptron instruction.
One receiving system 54, generally be the dwelling house inside that is installed in the household, it is that the 2.4GHz reception antenna 82 that utilizes a 2.4GHz to receive module 80 receives the first carrier signal that this 2.4GHz emitting mould train 56 spreads out of, and utilize the signal of video signal that will be modulated to the first carrier signal of a 2.4GHz demodulator, voice signal and control signal demodulation, and make signal after the demodulation respectively through one first video conversion circuit 86, after one first audio conversion circuit 88 and the 90 conversion reduction of one first digital conversion circuit, make signal of video signal export a display to, voice signal exports a loudspeaker device to, control signal then through one with second microprocessor processes 92 that this first digital conversion circuit 90 is connected after, export one first output order by second microprocessor 92 according to this control signal, wherein the output of second microprocessor 92 is to be connected to a buzzer and a cresset indicating device, so that make buzzer and cresset indicating device send caution sound equipment and cresset respectively according to this second control command.
In the above-mentioned again receiving system 54 and be provided with a UHF emitting mould train 94, it is to include one second digital processing circuit 96 and one second sound treatment circuit 98, the two is to be connected to a UHF modulator 100, and the output of UHF modulator 100 is connected in a UHF transmitting antenna 102, wherein second digital processing circuit 96 also is connected with second microprocessor 92, so that second microprocessor 92 be subjected to the operator operation and after producing one second control command, treatment conversion by second digital processing circuit 96 is a control signal and is sent in the UHF modulator 100, make voice signal and control signal change into the UHF remote signal, and by 102 outputs of UHF transmitting antenna, and then allow UHF reception antenna 74 receive, so that signal is demodulated to baseband signal by aforesaid UHF demodulator 76, frequency characteristic with foundation voice signal and digital control instruction, make first microprocessor 66 that baseband signal is decomposited digital control instruction, in addition with the analoging sound signal of low frequency after second audio conversion circuit 78 is handled, export outside loudspeaker device to, first microprocessor 66 then sends one second output order according to this control signal, second control command that wherein is input in the receiving system 54 is a numerical ciphers and key switch instruction, and second output order that first microprocessor sent then is the open gate controlled switch in a control gate or is the lamp control switch that a control gate light opens and closes.
In the utility model; an one 2.4GHz emitting mould train 56 and a UHF are set in emitter 52 receive module 70; reach the design that a 2.4GHz receives a module 80 and a UHF emitting mould train 94 is set in receiving system 54; to make 54 of emitter 52 and receiving systems have the two-way communication of sound and digital controlled signal and the one-way communication function of image; once the emitter 53 that is installed in the gate because of doorbell switch push or perceptron detects visitor's image and exports after operational order to a first microprocessor; transmission via wireless image-sound transmitting device 10; then be installed in control that buzzer among the household and cresset indicating device will be subjected to second microprocessor 92 and start so that remind owner that I have a visit from a guest; simultaneously owner then by image transfer function of the present utility model by the image of watching the visitor in the display; and utilize microphone to carry out two-way intercommunication respectively; with when desire is opened the gate; operate this gate controlled switch or lamp control switch; make operational order that two switches import after these wireless image-sound transmitting device 10 transmission; light is opened or is opened at the control gate automatically; if when wherein being input into operational order one numerical ciphers of this first microprocessor 66 or second microprocessor 92; could start with making that the output of the 4th control command in the output of second control command in the receiving system 54 and the emitter 52 all needs via the identification of password, have and strengthen function antitheft and protection.
On the other hand, because in general monitoring (Surveillance) application, single-tone (Mono) sound is promptly enough, the effect that does not need stereo (Stereo), so in the utility model, with traditional L channel source of sound or R channel source of sound one of them as transfer control instruction, and utilize digital coding and modulating signal that control signal is transmitted, this kind utilizes the 2.4GHz channel with image, sound and digital control instruction are integrated transmission and utilized the UHF channel that the design of transmission is integrated in sound and digital control instruction can be in not needing significantly to change under the prerequisite of conventional wireless audio and video transmitting set framework, be implemented on the same channel possibility of transportation simulator and digital signal simultaneously, make the higher demand that more can satisfy the user again of practicality of the present utility model; The residing frequency of this first channel is except being the above-mentioned 2.4GHz in addition, and channel that can also 5.7GHz replaces.
But the above is preferred embodiment of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.So be that all equalizations of doing according to the described shape of the utility model claim, structure, feature and spirit change and modification, all should be included in the claim of the present utility model.
Claims (10)
1, a kind of wireless image-sound transmitting device of two-way communication is characterized in that comprising:
One emitter, it is to comprise that one first channel emitting mould train and one second channel receive module, be provided with one first channel modulator in this first channel emitting mould train, it is that a received signal of video signal, one first voice signal and first control signal that is produced according to one first digital control instruction are tuned as a first carrier signal simultaneously, and go out by one first channel transmission antennas transmit, and be provided with one second channel demodulation device in this second channel reception module; And
One receiving system, it is to comprise that one first channel receives module and one second channel emitting mould train, this first channel receives module and is connected with one first channel reception antenna, and this first channel receives in the module and is provided with one first channel demodulation device, it is this first carrier signal that is received by this first channel reception antenna to be separated recall to this signal of video signal, this first voice signal and this first control signal, and export one first output order according to this first control signal, and be provided with one second channel modulator in this second channel emitting mould train, it is after second control signal that is produced according to the second digital control instruction and a received second sound signal are mixed and being tuned as one second carrier signal, receive module via one second channel transmission antennas transmit to this second channel, recall to this second control signal and this second sound signal so that utilize this second channel demodulation device to separate, and export one second output order according to this second control signal.
2, the wireless image-sound transmitting device of two-way communication according to claim 1 is characterized in that: wherein, the frequency of this first channel is to be selected from 2.4 * 10
9Hertz and 5.7 * 10
9Hertz one of them, and the frequency of this second channel is a hyperfrequency.
3, the wireless image-sound transmitting device of two-way communication according to claim 1, it is characterized in that: wherein, in this emitter and this receiving system and be respectively arranged with a microprocessor, to control the input of this digital control instruction and the output of this output order by this microprocessor.
4, the wireless image-sound transmitting device of two-way communication according to claim 1, it is characterized in that: wherein, this signal of video signal in this first channel emitting mould train is from the input in a video signal source and after the conversion process of an image-processing circuit, received by this first channel modulator again, again this video signal source be selected from a charge coupled cell and a high-k metal gate devices one of them.
5, the wireless image-sound transmitting device of two-way communication according to claim 1, it is characterized in that: wherein, this second sound signal in this first voice signal in this first channel emitting mould train and this second channel emitting mould train is respectively from the input of a microphone and respectively after the conversion process of one first sound treatment circuit and one second sound treatment circuit, and each free this first channel modulator and this second channel modulator receive again.
6, the wireless image-sound transmitting device of two-way communication according to claim 1, it is characterized in that: wherein, this first control signal and this second control signal are respectively after the conversion process of one first digital processing circuit and one second digital processing circuit, and each free this first channel modulator and this second channel modulator receive again.
7, the wireless image-sound transmitting device of two-way communication according to claim 1 is characterized in that: wherein, this signal of video signal that is demodulated by this first channel demodulation device is to export a display to after the conversion of one first video conversion processing of circuit.
8, the wireless image-sound transmitting device of two-way communication according to claim 1, it is characterized in that: wherein, this first voice signal and this second sound signal that are demodulated respectively by this first channel demodulation device and this second channel demodulation device are to export a loudspeaker device to respectively after one first audio conversion circuit and one second audio conversion circuit treatment conversion.
9, the wireless image-sound transmitting device of two-way communication according to claim 1, it is characterized in that: wherein, this first control signal and this second control signal that are demodulated respectively by this first channel demodulation device and this second channel demodulation device are to export after the treatment conversion of one first digital conversion circuit and one second digital conversion circuit respectively.
10, the wireless image-sound transmitting device of two-way communication according to claim 1, it is characterized in that: wherein, this first digital control instruction is to be selected from numerical ciphers instruction, a doorbell key command and a perceptron to instruct one of them, and this first output order is to be selected from buzzer instruction and a cresset indicating device instructs one of them; And this second digital control instruction is to be selected from numerical ciphers instruction and a key switch instructs one of them, and this second output order is to be selected from gate controlled switch instruction and a lamp control switch instructs one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02234580 CN2549658Y (en) | 2002-05-13 | 2002-05-13 | Wireless audiovisual transmission device for bidirectional communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02234580 CN2549658Y (en) | 2002-05-13 | 2002-05-13 | Wireless audiovisual transmission device for bidirectional communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2549658Y true CN2549658Y (en) | 2003-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02234580 Expired - Fee Related CN2549658Y (en) | 2002-05-13 | 2002-05-13 | Wireless audiovisual transmission device for bidirectional communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2549658Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284100A (en) * | 2013-07-05 | 2015-01-14 | 宏正自动科技股份有限公司 | Distributed video control system and distributed video control method |
-
2002
- 2002-05-13 CN CN 02234580 patent/CN2549658Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284100A (en) * | 2013-07-05 | 2015-01-14 | 宏正自动科技股份有限公司 | Distributed video control system and distributed video control method |
| CN104284100B (en) * | 2013-07-05 | 2017-10-24 | 宏正自动科技股份有限公司 | Distributed video control system and distributed video control method |
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| 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 |