CN101489030B - Portable wireless television playing method applied to wired digital set-top box - Google Patents
Portable wireless television playing method applied to wired digital set-top box Download PDFInfo
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- CN101489030B CN101489030B CN2009101053147A CN200910105314A CN101489030B CN 101489030 B CN101489030 B CN 101489030B CN 2009101053147 A CN2009101053147 A CN 2009101053147A CN 200910105314 A CN200910105314 A CN 200910105314A CN 101489030 B CN101489030 B CN 101489030B
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Abstract
The invention provides a portable radio television playing method for a cable digital set-top box comprising: firstly receiving analog signals by the cable digital set-top box, and transmitting the analog signals to a transmission equipment, secondly receiving a radio high frequency signal transmitted by the transmission equipment through a receiving conversion apparatus, and converting the radio high frequency signal to a digital signal through the receiving conversion apparatus, then converting the digital signal to the analog signal, finally to a video and an audio signals, receiving the video and audio signals from the receiving conversion apparatus through a portable playing apparatus, and transmitting the video and audio signals to the users. Said mode can reach purposes that the users can enjoy programs transmitted from the cable digital set-top box in any room of the home or lying on beds, and the playing apparatus is convenient for users to operate.
Description
Technical field
The present invention relates to a kind of cable digital TV player method, more specifically be meant a kind of with analog signal revolution word signal, digital signal is changeed the wireless high-frequency signal and is sent, the wireless high-frequency signal receives revolution word signal, digital signal decoding revolving die analog signal or be embedded into method in other portable Play System.The present invention is mainly used in the wireless TV signal of watching that wired digital set-top box is relayed of portable liquid crystal screen playback equipment.
Background technology
As everyone knows, along with the progress of society and improving constantly of social production force level, the apparatus that more and more can promote people's daily life quality occurs in a large number, and especially extensively is subject to people's attention with the equipment that can make people obtain more consultancy in these apparatus.Cable digital TV is exactly the product that is born under such social background, and cable digital TV it must need auxiliary auxiliary equipment with other in digital signal being converted to the process that the AV signal outwards transmits as a kind of final broadcast window of AV, and the equipment that set-top box comes to this.
Set-top box is meant in early days based on the analog channel of cable TV network augments device, analog channel descrambler.Along with developing rapidly of digital television broadcasting and internet, the user is to the continuous enhancing of information requirement, and it is the message pick-up and the treatment facility of display terminal that set-top box develops into the television set.Digital Television be one from programme acquisition, making, transmission, to the user side set-top box all with the end-to-end system of digital form processing signals.Top box of digital machine receives Digital Television and the various data message that various transmission mediums come, by demodulation, demultiplexing, decoding and audio/video coding (perhaps by corresponding data resolution module), on simulated television, watch digital television program and various data message.
Because himself characteristic of set-top box as mentioned above, its concrete occupation mode is accepted by the overwhelming majority's consumer, but with regard to the set-top box of present appearance, it must be arranged between image player (being TV) and the external signal output, and is to adopt signal connecting line to connect between the three.And the locus of this image player just must be subjected to the restriction of this signal connecting line like this.Simultaneously, this set-top box also must be placed near this image player.Such occupation mode has restricted user's occupation mode to a great extent, such as, the user must just can watch or hear image or the voice signal that this image player plays out in specific locus.And this is the major defect for the conventional set-top box working method.
Summary of the invention
The invention provides a kind of wired digital set-top box portable radiotelephone TV that is applied to plays, it mainly is the signal that utilizes movable wireless playback equipment receiving set up box to send, see through any room that this playback equipment just can be within the family like this or lie on a bed and appreciate the program that wired digital set-top box sends freely, and this is to be main purpose of the present invention.
To achieve these goals, the technical solution used in the present invention is:
It comprises the steps: to be applied to the wired digital set-top box portable wireless television playing method
The first step, wired digital set-top box receive analog signal, and with this analog signal transmission to passing in the transmitting device, be transferred to this and pass on this analog signal in the transmitting device, at first, pass on transmitting device by this and be converted to digital signal, then, this digital signal is passed on transmitting device by this and is converted to wireless high-frequency signal and immediately to external transmission.
Wherein, this wired digital set-top box is connected with the external analog signal conveying circuit, this wired digital set-top box receives video and the audio signal in this external analog signal conveying circuit immediately, this passes on transmitting device and receives the analog signal of this wired digital set-top box immediately, and this analog signal carried out format conversion, this passes on transmitting device and can be arranged on this wired digital set-top box inside, also can be arranged on this wired digital set-top box outside, this passes on transmitting device and comprises power amplifier, frequency mixer, analog to digital converter, up-converter and signal transmitting antenna.
Further, this passes on the analog signal of this wired digital set-top box that transmitting device receives, at first, transfer in this power amplifier, and this analog signal is amplified by this power amplifier, then, this analog signal enters carries out mixing in this frequency mixer, afterwards, this analog signal enters in this analog to digital converter, carry out format conversion, this analog signal is converted to digital signal by this analog to digital converter, further, this digital signal is transferred in this up-converter, and promote frequency to specific tranmitting frequency, last, this digital signal is outwards launched by this signal transmitting antenna.
Second step, be received from this by receiving converter and pass on this wireless high-frequency signal that transmitting device launches, and this wireless high-frequency signal at first is converted to digital signal by this receiving converter, then be converted to analog signal, at last, be converted to video, audio signal, portable playback equipment receives from the video in this receiving converter, audio signal, and this video, audio signal are passed to the user.
Wherein, this portable playback equipment is the video/audio playback equipment, further, this portable playback equipment is MP4, MP5 or digital photo frame playback equipment, this portable playback equipment can change its locus at any time according to user's instructions for use, it has video playback window and voice playing window, and transmit the appreciable video of user to the user immediately by this video playback window and this voice playing window, audio signal, this receiving converter can be arranged on this portable playback equipment inside, also can be arranged on this portable playback equipment outside, this receiving converter comprises signal receiving antenna, down converter, filter amplifier, digital to analog converter and FM demodulator.
Wherein, this signal receiving antenna is received from the digital signal that this this signal transmission antennas transmit of passing on transmitting device goes out, then, this digital signal is transported in this down converter, and change frequency to characteristic frequency, afterwards, be transferred to and carry out filtering in this filter amplifier with the unnecessary clutter of filtering, further, this digital signal enters in this digital to analog converter, and be converted to analog signal, at last, this analog signal enters in this FM demodulator, carries out FM demodulation and synthetic vision signal and the audio signal of output, this vision signal and audio signal transmission to this portable playback equipment, and by this portable playback equipment with this video, audio signal passes to the user.
Again, this wired digital set-top box also comprises infrared remote controller and Remote signal conversion unit, this Remote signal conversion unit is arranged between this wired digital set-top box and this infrared remote controller, in order to the infrared remote control signal that this infrared remote controller is sent, remote transmission is to wired digital set-top box.At first be converted to digital signal, then this digital signal radio frequency is sent, receive this digital signal in another locus afterwards, and this digital signal that will receive is converted to infrared remote control signal, realizes Remote by this infrared remote control signal at last this wired digital set-top box.
Wherein, this Remote signal conversion unit comprises remote control signal transmission device and remote control signal receiver, this remote control signal transmission device is corresponding with this infrared remote controller and is positioned near the particular spatial location of this portable playback equipment, this remote control signal transmission device is in order to be received from the infrared remote control signal that this infrared remote controller sends, and this infrared remote control signal is converted to digital signal, and be converted to characteristic frequency, outwards send immediately at last.
This remote control signal transmission device can connect and is arranged on this portable playback equipment, it comprises infrared ray receiver window, transducer, radio frequency follower and signal transmitting antenna, wherein, it is corresponding with this infrared remote controller and be received from the infrared remote control signal that this infrared remote controller sends that this infrared ray is accepted window, this transducer is in order to be converted to digital signal with this infrared remote control signal, and be converted to characteristic frequency by this radio frequency follower, outwards send by this signal transmitting antenna is instant at last.
This remote control signal receiver is corresponding with this remote control signal transmission device and is positioned near the particular spatial location of this wired digital set-top box, this remote control signal receiver is in order to be received from the digital signal that this remote control signal transmission device sends, and this digital signal is reduced to infrared remote control signal, and transfers to this wired digital set-top box and realize remote control this wired digital set-top box.
This remote control signal receiver can connect and is arranged on this wired digital set-top box, it comprises signal receiving antenna, radio frequency loader, transducer and infrared window, wherein, this signal receiving antenna is in order to be received from the digital signal that this remote control signal transmission device sends, and this radio frequency loader is converted to this digital signal this digital signal transition infrared remote control signal and transfers to the remote control of this wired digital set-top box realization to this wired digital set-top box by this infrared window to characteristic frequency and by this transducer.
Beneficial effect of the present invention is: because method of the present invention is, at first receive analog signal by wired digital set-top box, and with this analog signal transmission to passing in the transmitting device, be transferred to this and pass on this analog signal in the transmitting device, at first, pass on transmitting device by this and be converted to digital signal, then, this digital signal passes on by this that transmitting device is converted to the wireless high-frequency signal and immediately to external transmission; Secondly, be received from this by receiving converter and pass on this wireless high-frequency signal that transmitting device launches, and this wireless high-frequency signal at first is converted to digital signal by this receiving converter, then be converted to analog signal, at last, be converted to video, audio signal, portable playback equipment receives from the video in this receiving converter, audio signal, and this video, audio signal are passed to the user; And be arranged between this wired digital set-top box and this infrared remote controller in aforesaid process medium-long range remote signal converting unit, in order to the long-range wired digital set-top box that is forwarded to of the infrared remote control signal that this infrared remote controller is sent, at first be converted to digital signal, then this digital signal radio frequency is sent, receive this digital signal in another locus afterwards, and this digital signal that will receive is converted to infrared remote control signal, realizes Remote to this wired digital set-top box by this infrared remote control signal at last.By above mode can reach the user within the family any room or lie on a bed and appreciate the program that wired digital set-top box sends freely, the effect that makes things convenient for the user to operate.
Description of drawings
Fig. 1 is the operation principle block diagram of the first step of the present invention;
Fig. 2 is the operation principle block diagram in second step of the present invention;
Fig. 3 is the operation principle block diagram of remote control signal transmission device of the present invention;
Fig. 4 is the operation principle block diagram of remote control signal receiver of the present invention;
Fig. 5 is a user mode schematic diagram of the present invention.
Embodiment
Shown in Fig. 1 to 5, it comprises the steps: to be applied to the wired digital set-top box portable wireless television playing method
The first step, as shown in Figure 1, wired digital set-top box 10 receives analog signal, and with this analog signal transmission to passing in the transmitting device 20, be transferred to this and pass on this analog signal in the transmitting device 20, at first, pass on transmitting device 20 by this and be converted to digital signal, then, this digital signal passes on by this that transmitting device 20 is converted to the wireless high-frequency signal and immediately to external transmission.
Wherein, this wired digital set-top box 10 is connected with the external analog signal conveying circuit, these wired digital set-top box 10 instant video and audio signals that receive in this external analog signal conveying circuit.
This passes on the instant analog signals that receive these wired digital set-top boxes 10 of transmitting device 20, and this analog signal carried out format conversion, this passes on transmitting device 20 and can be arranged on this wired digital set-top box 10 inside, also can be arranged on this wired digital set-top box 10 outsides.
This passes on transmitting device 20 and comprises power amplifier 21, frequency mixer 22, analog to digital converter 23, up-converter 24 and signal transmitting antenna 25.
Further, this passes on the analog signal of this wired digital set-top box 10 that transmitting device 20 receives, at first, transfer in this power amplifier 21, and this analog signal is amplified by this power amplifier 21, then, this analog signal enters in this frequency mixer 22 carries out mixing, afterwards, this analog signal enters in this analog to digital converter 23, carries out format conversion, and this analog signal is converted to digital signal by this analog to digital converter 23, further, this digital signal is transferred in this up-converter 24, and promotes frequency to specific tranmitting frequency, and is last, this digital signal is outwards launched by this signal transmitting antenna 25, this, uses because this equipment is positioned family as standard through the temporary WiFi 2.4G that adopts in contrast back, is 100 meters so the wireless transmission distance is fixed tentatively, transmitting range can be followed according to customer demand and carry out suitable adjustment future, send by antenna.
Second the step, as shown in Figure 2, be received from this by receiving converter 30 and pass on this wireless high-frequency signal that transmitting device 20 launches, and this wireless high-frequency signal at first is converted to digital signal by this receiving converter 30, then be converted to analog signal, at last, be converted to video, audio signal, portable playback equipment 40 receives from video, audio signal in this receiving converter 30, and this video, audio signal are passed to the user.
Wherein, this portable playback equipment 40 is the video/audio playback equipment, and further, this portable playback equipment 40 is MP4, MP5 or digital photo frame playback equipment.
This portable playback equipment 40 can change its locus at any time according to user's instructions for use, it has video playback window and voice playing window, and transmits the appreciable video of user, audio signal to the user immediately by this video playback window and this voice playing window.
This receiving converter 30 can be arranged on this portable playback equipment 40 inside, also can be arranged on this portable playback equipment 40 outsides.
This receiving converter 30 comprises signal receiving antenna 31, down converter 32, filter amplifier 33, digital to analog converter 34 and FM demodulator 35.
Wherein, this signal receiving antenna 31 is received from the digital signal that this this signal transmitting antenna 25 that passes on transmitting device 20 is launched, then, this digital signal is transported in this down converter 32, and change frequency to characteristic frequency, afterwards, be transferred to and carry out filtering in this filter amplifier 33 with the unnecessary clutter of filtering, further, this digital signal enters in this digital to analog converter 34, and be converted to analog signal, at last, this analog signal enters in this FM demodulator 35, carries out FM demodulation and synthetic vision signal and the audio signal of output, this vision signal and audio signal transmission to this portable playback equipment 40, and by this portable playback equipment 40 with this video, audio signal passes to the user.
Again, shown in Fig. 3 to 5, this wired digital set-top box 10 also comprises infrared remote controller 50 and Remote signal conversion unit 60, this Remote signal conversion unit 60 is arranged between this wired digital set-top box 10 and this infrared remote controller 50, in order to the infrared remote control signal that this infrared remote controller 50 is sent, at first be converted to digital signal, then this digital signal radio frequency is sent, receive this digital signal in another locus afterwards, and this digital signal that will receive is converted to infrared remote control signal, realizes Remote to this wired digital set-top box 10 by this infrared remote control signal at last.
Wherein, this Remote signal conversion unit 60 comprises remote control signal transmission device 70 and remote control signal receiver 80.
This remote control signal transmission device 70 is corresponding with this infrared remote controller 50 and is positioned near the particular spatial location of this portable playback equipment 40, this remote control signal transmission device 70 is in order to be received from the infrared remote control signal that this infrared remote controller 50 sends, and this infrared remote control signal is converted to digital signal, and be converted to characteristic frequency, outwards send immediately at last.
This remote control signal transmission device 70 can connect and is arranged on this portable playback equipment 40, it comprises infrared ray receiver window 71, transducer 72, radio frequency follower 73 and signal transmitting antenna 74, wherein, it is corresponding and be received from the infrared remote control signal that this infrared remote controller 50 sends that this infrared ray is accepted window 71 and this infrared remote controller 50, this transducer 72 is in order to be converted to digital signal with this infrared remote control signal, and be converted to characteristic frequency such as 433MHz by this radio frequency follower 73, outwards send by this signal transmitting antenna 74 is instant at last.
This remote control signal receiver 80 is corresponding with this remote control signal transmission device 70 and is positioned near the particular spatial location of this wired digital set-top box 10, this remote control signal receiver 80 is in order to be received from the digital signal that this remote control signal transmission device 70 sends, and this digital signal is reduced to infrared remote control signal, and transfer to the remote control that this wired digital set-top box 10 is realized this wired digital set-top box 10.
This remote control signal receiver 80 can connect and is arranged on this wired digital set-top box 10, it comprises signal receiving antenna 81, radio frequency loader 82, transducer 83 and infrared window 84, wherein, this signal receiving antenna 81 is in order to be received from the digital signal that this remote control signal transmission device 70 sends, and this radio frequency loader 82 is converted to this digital signal this digital signal transition infrared remote control signal and transfers to the remote control that this wired digital set-top box 10 is realized this wired digital set-top box 10 by this infrared window 84 to characteristic frequency and by this transducer 83.
The above only is a preferable exemplifying embodiment of the present invention; not in order to restriction the present invention; all any modifications of being done within the spirit and principles in the present invention; be equal to and replace and improvement etc., and other is applied to the wired digital set-top box portable wireless television playing method and all should be included within protection scope of the present invention.
Claims (9)
1. be applied to the wired digital set-top box portable wireless television playing method, it is characterized in that, it comprises the steps:
The first step, wired digital set-top box receive analog signal, and with this analog signal transmission to passing in the transmitting device, be transferred to this and pass on this analog signal in the transmitting device, at first, pass on transmitting device by this and be converted to digital signal, then, this digital signal is passed on transmitting device by this and is converted to wireless high-frequency signal and immediately to external transmission;
Wherein, this wired digital set-top box is connected with the external analog signal conveying circuit, this wired digital set-top box receives video and the audio signal in this external analog signal conveying circuit immediately, this passes on transmitting device and receives the analog signal of this wired digital set-top box immediately, and this analog signal carried out format conversion, this passes on transmitting device and comprises power amplifier, frequency mixer, analog to digital converter, up-converter and signal transmitting antenna
Further, this passes on the analog signal of this wired digital set-top box that transmitting device receives, at first, transfer in this power amplifier, and this analog signal is amplified by this power amplifier, then, this amplified analog signal enters carries out mixing in this frequency mixer, afterwards, analog signal after this mixing enters in this analog to digital converter, carry out format conversion, this analog signal of carrying out after the format conversion is converted to digital signal by this analog to digital converter, further, this digital signal is transferred in this up-converter, and promote frequency to specific tranmitting frequency, last, the digital signal after this lifting frequency is outwards launched by this signal transmitting antenna;
Second step, be received from this by receiving converter and pass on this wireless high-frequency signal that transmitting device launches, and this wireless high-frequency signal at first is converted to digital signal by this receiving converter, then be converted to analog signal, at last, be converted to video, audio signal, portable playback equipment receives from the video in this receiving converter, audio signal, and this video, audio signal are passed to the user;
Wherein, this portable playback equipment is the video/audio playback equipment, this portable playback equipment can change its locus at any time according to user's instructions for use, it has video playback window and voice playing window, and transmit the appreciable video of user, audio signal to the user immediately by this video playback window and this voice playing window
This receiving converter comprises signal receiving antenna, down converter, filter amplifier, digital to analog converter and FM demodulator, wherein, this signal receiving antenna is received from the digital signal that this this signal transmission antennas transmit of passing on transmitting device goes out, then, the digital signal that this signal receiving antenna receives is transported in this down converter, and change frequency to characteristic frequency, afterwards, be transferred to and carry out filtering in this filter amplifier with the unnecessary clutter of filtering, further, this filtered digital signal enters in this digital to analog converter, and be converted to analog signal, at last, analog signal after this digital-to-analogue conversion enters in this FM demodulator, carry out FM demodulation and synthetic vision signal and the audio signal of output, this vision signal and audio signal transmission to this portable playback equipment, and by this portable playback equipment with this video, audio signal passes to the user;
This equipment also comprises wired digital set-top box infrared remote controller and remote signal remote conversion unit, this remote signal remote conversion unit is arranged between this wired digital set-top box and this infrared remote controller, can pass the room partition wall in order to the infrared remote control signal that this infrared remote controller is sent and shake the control wired digital set-top box at a distance, at first infrared signal is converted to digital signal, then the digital signal radio frequency after this infrared signal conversion is sent, receive the digital signal that this radio frequency sends in another locus afterwards, and this digital signal that will receive is converted to infrared remote control signal, realizes Remote to this wired digital set-top box by this infrared remote control signal at last.
2. the wired digital set-top box portable wireless television playing method that is applied to as claimed in claim 1 is characterized in that: this remote signal remote conversion unit comprises remote control signal transmission device and remote control signal receiver,
This remote control signal transmission device is corresponding with this infrared remote controller and is positioned near the particular spatial location of this portable playback equipment, this remote control signal transmission device is in order to be received from the infrared remote control signal that this infrared remote controller sends, and this infrared remote control signal is converted to digital signal, and be converted to characteristic frequency, last instant outwards transmission
This remote control signal transmission device connection is arranged on this portable playback equipment, this remote control signal transmission device comprises the infrared ray receiver window, transducer, the signal transmitting antenna of radio frequency follower and remote control signal transmission device, wherein, this infrared ray receiver window is corresponding with this infrared remote controller and be received from the infrared remote control signal that this infrared remote controller sends, this transducer is in order to be converted to digital signal with this infrared remote control signal, and be converted to characteristic frequency by this radio frequency follower, outwards send by the signal transmitting antenna of this remote control signal transmission device is instant at last
This remote control signal receiver is corresponding with this remote control signal transmission device and is positioned near the particular spatial location of this wired digital set-top box, this remote control signal receiver is in order to be received from the digital signal that this remote control signal transmission device sends, and the digital signal that this remote control signal transmission device is sent is reduced to infrared remote control signal, and transfer to this wired digital set-top box and realize remote control this wired digital set-top box
This remote control signal receiver connection is arranged on this wired digital set-top box, this remote control signal receiver comprises the signal receiving antenna of remote control signal receiver, the radio frequency loader, the digital to analog converter of remote control signal receiver and infrared window, wherein, the signal receiving antenna of this remote control signal receiver is in order to being received from the digital signal that this remote control signal transmission device sends, and the digital signal transition that this radio frequency loader sends this remote control signal transmission device will be converted to infrared remote control signal through the digital signal that this radio frequency loader is converted to characteristic frequency and transfer to this wired digital set-top box by this infrared window to characteristic frequency and by the digital to analog converter of this remote control signal receiver realizes remote control to this wired digital set-top box.
3. the wired digital set-top box portable wireless television playing method that is applied to as claimed in claim 2 is characterized in that: this in the implementation step first step passes on transmitting device and is arranged on this wired digital set-top box inside.
4. the wired digital set-top box portable wireless television playing method that is applied to as claimed in claim 2 is characterized in that: this in the implementation step first step passes on transmitting device and is arranged on this wired digital set-top box outside.
5. the wired digital set-top box portable wireless television playing method that is applied to as claimed in claim 2 is characterized in that: implementation step this portable playback equipment in second step is the MP4 player.
6. the wired digital set-top box portable wireless television playing method that is applied to as claimed in claim 2 is characterized in that: implementation step this portable playback equipment in second step is the MP5 player.
7. the wired digital set-top box portable wireless television playing method that is applied to as claimed in claim 2 is characterized in that: implementation step this portable playback equipment in second step is the digital photo frame playback equipment.
8. the wired digital set-top box portable wireless television playing method that is applied to as claimed in claim 2 is characterized in that: implementation step second this receiving converter in the step is arranged on this portable playback equipment inside.
9. the wired digital set-top box portable wireless television playing method that is applied to as claimed in claim 2 is characterized in that: implementation step second this receiving converter in the step is arranged on this portable playback equipment outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101053147A CN101489030B (en) | 2009-02-04 | 2009-02-04 | Portable wireless television playing method applied to wired digital set-top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101053147A CN101489030B (en) | 2009-02-04 | 2009-02-04 | Portable wireless television playing method applied to wired digital set-top box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101489030A CN101489030A (en) | 2009-07-22 |
| CN101489030B true CN101489030B (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101053147A Expired - Fee Related CN101489030B (en) | 2009-02-04 | 2009-02-04 | Portable wireless television playing method applied to wired digital set-top box |
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| CN (1) | CN101489030B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206024016U (en) * | 2016-07-29 | 2017-03-15 | 深圳创维数字技术有限公司 | A kind of Set Top Box for supporting individualized voice to adjust |
| CN106604099A (en) * | 2016-12-30 | 2017-04-26 | 深圳大学 | Cable television digital set-top box video signal and audio signal wireless transmission device |
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2009
- 2009-02-04 CN CN2009101053147A patent/CN101489030B/en not_active Expired - Fee Related
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| CN101489030A (en) | 2009-07-22 |
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Granted publication date: 20110119 Termination date: 20130204 |