CN2520615Y - Intelligent wired and wireless TV signal transmitting device and receiving device - Google Patents
Intelligent wired and wireless TV signal transmitting device and receiving device Download PDFInfo
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- CN2520615Y CN2520615Y CN01229766U CN01229766U CN2520615Y CN 2520615 Y CN2520615 Y CN 2520615Y CN 01229766 U CN01229766 U CN 01229766U CN 01229766 U CN01229766 U CN 01229766U CN 2520615 Y CN2520615 Y CN 2520615Y
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Abstract
The utility model provides a wireless signal sending and receiving device, comprising a first model/data processing circuit, a data-scrambling circuit, a shaping enlarging circuit, a second model/data processing circuit, a radio frequency modulating circuit, a signal mixing circuit, a demodulation-receiving circuit, a computer-controlling, and a signal two-way enlarging circuit. A receiving device of the utility model comprises a signal duplex circuit, a UHF/VHF electron tuning circuit, a first demodulation enlarging circuit, a data-descrambling circuit, a data-decompression circuit, a first data/model conversion circuit, a video frequency imitation output circuit, a second demodulation circuit, a decompression shaping circuit, a second data/model conversion circuit, an audio frequency imitation output circuit, and a command-executing circuit. Adopting the device, imitation video frequency signal of a wire television can be converted into data audio frequency signal and is sent to the receiving device of users, and watching conditions of users can be effectively managed, regulated and controlled.
Description
(1) technical field:
The utility model relates to a kind of emitter and receiving system of intelligent wire and wireless TV signal.
(2) background technology:
Along with China's rural area cable TV " entering the village registers one's residence " evolution of objective, the radio and television services of China have stepped an important step, but in the universal process of cable TV, exist the factor of many its development of restriction.At first be to drop into too high human and material resources and financial resources, make government and consumer individual be difficult to bear for setting up cable television network; To be cable television network be difficult to implement to personal user's management regulation for next, and for example the control problem for charge is difficult to solve.
(3) summary of the invention:
The purpose of this utility model is, provide a kind of and wire and wireless TV signal can be converted into intelligent wire and wireless TV sender unit and the receiving system that wireless television signal sends and receives, use said apparatus effectively to manage and regulate and control user's rating situation.
For achieving the above object, the emitter of the intelligent wire and wireless TV signal that the utility model provides comprises: first mould/number treatment circuit, data scrambling circuit, shaping amplification circuit, second mould/number treatment circuit, rf modulation circuit, signal mixed circuit, receiving demodulation circuit, control computer and the two-way amplifying circuit of signal; Wherein:
The data scrambling circuit is connected between first mould/number treatment circuit and the shaping amplification circuit, and the data scrambling circuit is connected the control of acceptance control computer with the control computer; Rf modulation circuit is connected between second mould/number treatment circuit and the signal mixed circuit, and modulation circuit is connected with shaping amplification circuit frequently; Signal mixed circuit connects receiving demodulation circuit and the two-way amplifying circuit of signal, and signal mixed circuit is connected with the control computer respectively with receiving demodulation circuit.
The receiving system of the intelligent wire and wireless TV signal that the utility model provides simultaneously comprises: signal duplicate circuitry, UHF/VHF (superfrequency/very high frequency(VHF)) electronic tuning circuit, the first demodulation amplifying circuit, data de-scrambling circuit, data decompression circuit, the first D/A switch circuit, video simulation output circuit, second demodulator circuit, decompression shaping circuit, the second D/A switch circuit, audio frequency simulation output circuit and command execution circuit; Wherein: the signal duplicate circuitry connects UHF/VHF electronic tuning circuit, and UHF/VHF electronic tuning circuit and the first demodulation amplifying circuit, data de-scrambling circuit, data decompression circuit, the first D/A switch circuit, video simulation output circuit are connected in series in proper order; The first demodulation amplifying circuit connects second demodulator circuit, and second demodulator circuit, decompression shaping circuit, the second D/A switch circuit, audio frequency simulation output circuit are connected in series in proper order; The command execution circuit is connected with the second D/A switch circuit, audio frequency simulation output circuit, data de-scrambling circuit, data decompression circuit, the first D/A switch circuit respectively.
Intelligent wire and wireless TV sender unit of the present utility model can be converted into digital video signal with the analog video signal of cable TV, and will send to the user by transmitting set or cable television network after described digital video signal compression and the scrambling, user's intelligent wire and wireless TV signal receiving device can send above-mentioned emitter the digital video signal descrambling and play the back of decompressing, such device is when realizing cable TV " entering the village registers one's residence ", owing to can adopt wireless mode to handle the problem of cable TV signal, can save great amount of manpower, material resources and financial resources, participate in the control and the management of signal owing to use a computer simultaneously, therefore can effectively manage different user and different TV programme according to user's feedback signal, for example work as the user and do not pay the license fee time spent, can send unauthorized control signal by computer receiving system to this user in the control flows of computer, make this user can not receive normal cable TV signal, thereby solve rating paying problem; Behind user's paying, send the authorization control signal by receiving system in the control flows of computer, and control signal such as mandate time, rating scope makes the user can recover watching of normal cable television program to this user.As seen, use the utility model effectively to manage and regulate and control to user's rating situation.
(4) description of drawings:
Fig. 1 is an intelligent wire and wireless TV sender unit embodiment block diagram of the present utility model;
Fig. 2 is an intelligent wire and wireless TV signal receiving device embodiment block diagram of the present utility model;
Fig. 3 is an intelligent wire and wireless TV sender unit embodiment circuit diagram of the present utility model;
Fig. 4 is an intelligent wire and wireless TV signal receiving device embodiment circuit diagram of the present utility model;
(5) embodiment:
Deep more comprehensively for the utility model is had, the utility model is described in further detail below in conjunction with accompanying drawing.
With reference to figure 1, Fig. 1 is an intelligent wire and wireless TV sender unit embodiment block diagram of the present utility model.Intelligent wire and wireless TV sender unit 1 shown in the figure comprises: first mould/number treatment circuit 11, data scrambling circuit 12, shaping amplification circuit 13, second mould/number treatment circuit 14, rf modulation circuit 15, signal mixed circuit 16, receiving demodulation circuit 18, control computer 17 and the two-way amplifying circuit 19 of signal.
Described first mould/number treatment circuit 11, comprise first analog to digital converter 111 and the first compression reshaper 112, be respectively applied for pulse code modulation and compression shaping that the analog video signal with cable TV is converted to digital video signal and carries out this digital video signal.Digital video signal after the compression shaping is sent to described data scrambling circuit 12, disturb modulation with the data interference signal of described control computer 17 generations and the video compression signal of described first modulus treatment circuit generation, obtain video and disturb digital signal, this video disturbs digital signal to be sent to described shaping amplification circuit 13 to carry out shaping and amplify and be sent to described rf modulation circuit 15.With the said process while, second analog to digital converter 141 that second mould/number treatment circuit 14 comprises and the second compression reshaper 142, also respectively the simulated audio signal of corresponding cable TV is converted into digital audio and video signals and this digital audio and video signals is compressed shaping, the video of digital audio and video signals after the compression shaping and 13 outputs of described shaping amplification circuit disturbs digital signal to be delivered to described rf modulation circuit 15 simultaneously, is used for disturbing digital signal to carry out rf modulations the video after digital uncompressed audio signal and the amplification and obtains the digital radio modulation signal; This signal is sent to described signal mixed circuit 16, is mixed together with the various control signals of described computer to be digital data stream; This digital data stream is sent to described receiving demodulation circuit 18 on the one hand and carries out demodulation, decompression, descrambling, recovers to obtain undressed video and audio signal, then above-mentioned signal is delivered to described control computer 17 and is monitored, controls; Be sent to the two-way amplifying circuit 19 of described signal on the other hand and amplify, send into the emitter that transmitting set or cable television network send to user's wireless television signal then.
The two-way amplifying circuit 19 of described signal also is used to finish the another one function, promptly the subscriber signal that receives by wireless receiver or cable television network amplifies, deliver to described receiving demodulation circuit 18 then and carry out demodulation, decompression, descrambling, giving described control Computer Analysis at last handles, so that subscriber signal is detected, discerns, finish the request that user's mandate and unauthorized control and process user are sent.
Fig. 3 is an intelligent wire and wireless TV sender unit embodiment circuit diagram of the present utility model.Among Fig. 3, it is the integrated circuit of μ PD6956C and HD2528D that described described first analog to digital converter 111 that first mould/number treatment circuit 11 comprises and the described first compression reshaper 112 adopt model respectively; It is the integrated circuit of AD μ C821 that described data scrambling circuit 12 adopts model; Described shaping amplification circuit 13 adopts the NG592 operational amplifier; It is the integrated circuit of AK3545 that second analog to digital converter 141 that described second mould/number treatment circuit 14 comprises and the second compression reshaper 142 adopt model; Described rf modulation circuit 15 adopts common video modulation circuit; Described signal mixed circuit 16 adopts common blender; Described receiving demodulation circuit 18 directly adopts wireless television signal receiving system of the present utility model; The two-way amplifying circuit 19 of control computer 17 and signal adopts common computer and amplifying circuit.
Fig. 2 is an intelligent wire and wireless TV signal receiving device embodiment block diagram of the present utility model.Intelligent wire and wireless TV signal receiving device 2 shown in the figure comprises: signal duplicate circuitry 221, UHF/VHF electronic tuning circuit 211, the first demodulation amplifying circuit 212, data de-scrambling circuit 213, data decompression circuit 214, the first D/A switch circuit 215, video simulation output circuit 220, second demodulator circuit 216, decompression shaping circuit 217, the second D/A switch circuit 218, audio frequency simulation output circuit 219 and command execution circuit 223.
Signal duplicate circuitry 221 connects UHF/VHF electronic tuning circuit 211, and UHF/VHF electronic tuning circuit 211 is connected in series in proper order with the first demodulation amplifying circuit 212, data de-scrambling circuit 213, data decompression circuit 214, the first D/A switch circuit 215, video simulation output circuit 220; The first demodulation amplifying circuit 212 connects second demodulator circuit 216, and second demodulator circuit 216, decompression shaping circuit 217, the second D/A switch circuit 218, audio frequency simulation output circuit 219 orders are connected in series; Command execution circuit 223 is connected with the second D/A switch circuit 218, audio frequency simulation output circuit 219, data de-scrambling circuit 213, data decompression circuit 214, the first D/A switch circuit 215 respectively.
Described signal duplicate circuitry 221 is used for the impedance matching and the filtering that receive the digital radio modulation signal and the modulation signal that the user sends is sent to antenna and finishes emission and received signal from antenna or cable television network; The signal that receives is sent to UHF/VHF electronic tuning circuit 211, will become the digital intermediate frequency modulation signal from the digital radio modulation signal transformation that described duplicate circuitry is sent here; This signal is sent to 212 amplifications of the described first demodulation amplifying circuit, demodulation, obtains including the data flow of digital video interference signal, computer control signal and digital accompaniment intermediate-freuqncy signal; Data de-scrambling circuit 213 will be isolated digital video interference signal and computer control signal, and described digital video interference signal descrambling will be obtained the compression of digital video signal from the data flow that the described first demodulation amplifying circuit 212 obtains; Above-mentioned digital video interference signal is delivered to described data decompression circuit 214, and this circuit obtains digital video signal according to the control signal of described command execution circuit 223 outputs to described compression of digital video signal decompression; Described command execution circuit 223 is used for the computer control signal that obtains from the data de-scrambling circuit is discerned, and is converted to the operation that control signal corresponding is controlled described data decompression circuit and the described first D/A switch circuit; Like this, if the control signal of command execution circuit output is for allowing user watched signal, then data decompression circuit 214 will produce and can make the user carry out the decompressed signal of normal rating, otherwise will produce the decompressed signal that can't carry out normal rating; Described data decompression circuit 214 output digital video signals are admitted to the described first D/A switch circuit 215, according to the control signal of the output of described command execution circuit described digital video signal are converted to corresponding analog video signal by this circuit; Equally, if the control signal of command execution circuit output is for allowing user watched signal, the then described first D/A switch circuit 215 will produce and can make the user carry out the number of normal rating/touch switching signal, otherwise will produce the number that can't carry out normal rating/touch switching signal; Analog signal after the conversion is through video simulation output circuit 220, and the video-unit that outputs to the user is play.
Data de-scrambling circuit 213 is sent to described command execution circuit 223 from the described first demodulation amplifying circuit, 212 isolated computer control signal and discerns, and is converted to corresponding rating control signal.
Described second demodulator circuit 216 is used for carrying out demodulation from the digital accompaniment intermediate-freuqncy signal that the described first demodulation amplifying circuit obtains, and obtains the digital compression audio signal; This signal is sent to described decompression shaping circuit 217 and decompresses, the digital accompaniment signal that obtains is delivered to the described second D/A switch circuit 218, and this circuit is analog audio signal according to the control signal of described command execution circuit output with described digital accompaniment conversion of signals; This analog audio signal under the control of the control signal that described command execution circuit is exported, outputs to described analog audio signal user's audio device plays through described audio frequency simulation output circuit 219; If the control signal of command execution circuit output is for allowing user watched signal, then described second D/A switch circuit 215 and described audio frequency simulation output circuit 219 will produce number that the user is normally listened to/touch switching signal and audio output signal, otherwise will produce the number that can't normally listen to/touch switching signal and audio output signal.
Intelligent wire and wireless TV signal receiving device 2 shown in Figure 2 also comprises:
User's function circuit 222, described user's function circuit 22 comprises signal modulator 2221 and user's operator 2222, be respectively applied for the solicit operation that receives the user, the signal of described request operation is modulated, through the signal duplicate circuitry, send to the emitter of wireless television signal by antenna or cable television network.
Fig. 4 is an intelligent wire and wireless TV signal receiving device embodiment circuit diagram of the present utility model.Among Fig. 4, described UHF/VHF electronic tuning circuit adopts the TDC-3D tuner; The described first demodulation amplifying circuit adopts TA7611; It is the integrated circuit of MAX568D that described data de-scrambling circuit and described data decompression circuit adopt model; It is the integrated circuit of HD2586C that described first D/A switch circuit and described video simulation output circuit adopt model; It is the integrated circuit of TA7176 that described second demodulator circuit and described decompression shaping circuit adopt model; It is the integrated circuit of AK5348 that described second D/A switch circuit and described audio frequency simulation output circuit adopt model; Described command execution circuit adopts the MAX5258 integrated circuit.
Claims (6)
1, a kind of intelligent wire and wireless TV sender unit, comprise: first mould/number treatment circuit, data scrambling circuit, shaping amplification circuit, second mould/number treatment circuit, rf modulation circuit, signal mixed circuit, receiving demodulation circuit, control computer and the two-way amplifying circuit of signal is characterized in that:
The data scrambling circuit is connected between first mould/number treatment circuit and the shaping amplification circuit, and the data scrambling circuit is connected the control of acceptance control computer with the control computer; Rf modulation circuit is connected between second mould/number treatment circuit and the signal mixed circuit, and modulation circuit is connected with shaping amplification circuit frequently; Signal mixed circuit connects receiving demodulation circuit and the two-way amplifying circuit of signal, and signal mixed circuit is connected with the control computer respectively with receiving demodulation circuit.
2, emitter according to claim 1 is characterized in that: the described first modulus treatment circuit comprises first analog to digital converter and the first compression reshaper that is connected in series.
3, emitter according to claim 1 is characterized in that: the described second modulus treatment circuit comprises second analog to digital converter and the second compression reshaper that is connected in series.
4, a kind of intelligent wire and wireless TV signal receiving device, comprise: signal duplicate circuitry, UHF/VHF (superfrequency/very high frequency(VHF)) electronic tuning circuit, the first demodulation amplifying circuit, data de-scrambling circuit, data decompression circuit, the first D/A switch circuit, video simulation output circuit, second demodulator circuit, decompression shaping circuit, the second D/A switch circuit, audio frequency simulation output circuit and command execution circuit is characterized in that:
The signal duplicate circuitry connects UHF/VHF electronic tuning circuit, and UHF/VHF electronic tuning circuit and the first demodulation amplifying circuit, data de-scrambling circuit, data decompression circuit, the first D/A switch circuit, video simulation output circuit are connected in series in proper order; The first demodulation amplifying circuit connects second demodulator circuit, and second demodulator circuit, decompression shaping circuit, the second D/A switch circuit, audio frequency simulation output circuit are connected in series in proper order; The command execution circuit is connected with the second D/A switch circuit, audio frequency simulation output circuit, data de-scrambling circuit, data decompression circuit, the first D/A switch circuit respectively.
5, receiving system according to claim 4 is characterized in that: this device also comprises the remote control circuit that is connected respectively with UHF/VHF electronic tuning circuit, the second D/A switch circuit, data de-scrambling circuit.
6, receiving system according to claim 4 is characterized in that: this device also comprises the user's function circuit that is connected with the signal duplicate circuitry, and described user's function circuit comprises signal modulator and user's operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01229766U CN2520615Y (en) | 2001-07-06 | 2001-07-06 | Intelligent wired and wireless TV signal transmitting device and receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01229766U CN2520615Y (en) | 2001-07-06 | 2001-07-06 | Intelligent wired and wireless TV signal transmitting device and receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2520615Y true CN2520615Y (en) | 2002-11-13 |
Family
ID=33644552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01229766U Expired - Fee Related CN2520615Y (en) | 2001-07-06 | 2001-07-06 | Intelligent wired and wireless TV signal transmitting device and receiving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2520615Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100373930C (en) * | 2005-10-27 | 2008-03-05 | 上海交通大学 | Analogue TV differential rotating machine possessing digital TV program differential rotating function |
| US7627228B2 (en) | 2005-03-04 | 2009-12-01 | Sharp Kabushiki Kaisha | Wireless video transmission system |
| CN1665279B (en) * | 2004-03-04 | 2010-06-23 | 亚洲光学股份有限公司 | Signal integration device and communication system |
| CN101798920A (en) * | 2010-04-12 | 2010-08-11 | 大港油田集团有限责任公司 | Controllable signal transmitter capable of loading pseudo random code |
| US7880817B2 (en) | 2005-08-24 | 2011-02-01 | Sharp Kabushiki Kaisha | Receiver apparatus for outputting digital video and audio signals and receiver system incorporating the receiver apparatus |
| US7907218B2 (en) | 2005-11-07 | 2011-03-15 | Sharp Kabushiki Kaisha | Receiver apparatus and receiver system |
| US7932957B2 (en) | 2005-09-09 | 2011-04-26 | Sharp Kabushiki Kaisha | Receiver apparatus and receiver system |
| CN102098460B (en) * | 2009-12-11 | 2013-10-30 | 深圳市华视联发电子科技有限公司 | Integrated ultrahigh frequency audio and video transmitter and transmission method thereof |
-
2001
- 2001-07-06 CN CN01229766U patent/CN2520615Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1665279B (en) * | 2004-03-04 | 2010-06-23 | 亚洲光学股份有限公司 | Signal integration device and communication system |
| US7627228B2 (en) | 2005-03-04 | 2009-12-01 | Sharp Kabushiki Kaisha | Wireless video transmission system |
| US7880817B2 (en) | 2005-08-24 | 2011-02-01 | Sharp Kabushiki Kaisha | Receiver apparatus for outputting digital video and audio signals and receiver system incorporating the receiver apparatus |
| US7932957B2 (en) | 2005-09-09 | 2011-04-26 | Sharp Kabushiki Kaisha | Receiver apparatus and receiver system |
| CN100373930C (en) * | 2005-10-27 | 2008-03-05 | 上海交通大学 | Analogue TV differential rotating machine possessing digital TV program differential rotating function |
| US7907218B2 (en) | 2005-11-07 | 2011-03-15 | Sharp Kabushiki Kaisha | Receiver apparatus and receiver system |
| CN102098460B (en) * | 2009-12-11 | 2013-10-30 | 深圳市华视联发电子科技有限公司 | Integrated ultrahigh frequency audio and video transmitter and transmission method thereof |
| CN101798920A (en) * | 2010-04-12 | 2010-08-11 | 大港油田集团有限责任公司 | Controllable signal transmitter capable of loading pseudo random code |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |