CN101695111A - Channel selecting device and method of television with double-antennae input port - Google Patents
Channel selecting device and method of television with double-antennae input port Download PDFInfo
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- CN101695111A CN101695111A CN200910180389A CN200910180389A CN101695111A CN 101695111 A CN101695111 A CN 101695111A CN 200910180389 A CN200910180389 A CN 200910180389A CN 200910180389 A CN200910180389 A CN 200910180389A CN 101695111 A CN101695111 A CN 101695111A
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Abstract
The invention discloses a channel selecting device and a method of a television with a double-antennae input port. The device comprises a first antenna input port, a second antenna input port, a memory, a program selecting unit and a port selecting unit, wherein the first antenna input port is connected with a first antenna and used for receiving a program signal sent by a television station through the first antenna; the second antenna input port is connected with a second antenna and used for receiving the program signal sent by the television station through the second antenna; the memory is used for memorizing program information containing an antenna port mark; the program selecting unit is used for selecting the corresponding program information in the memory according to a channel selecting instruction input by a user; and the port selecting unit is used for selecting an antenna input port receiving the program signal according to the antenna port mark in the selected program information. The antenna input port mark is added when the channel is searched by the television with the double-antenna input port, the mark is read when the user selects the channel, and the antenna is automatically switched, therefore, the invention is convenient for users to watch the programs from different antennae and improves the user experience.
Description
Technical field
The present invention relates to TV technology, particularly relate to a kind of channel selecting device and method of television with double-antennae input port.
Background technology
At present, the television set of user's use generally is divided into simulated television and Digital Television.The generation of the TV signal of simulated television, transmission, handle the recovery of receiver, whole process is nearly all finished under the simulation system, and axle is got a sample when being characterized in adopting, and every frame is taken a sample in vertical direction, transmits TV signal in the amplitude modulation(PAM) mode.The processing of the TV signal of Digital Television, transmit, transmit and receive and use digital signal in the process, its concrete transmission course is: image and the voice signal sent by TV station, after digital compression and digital modulation, form digital television signal, transmit through modes such as satellite, terrestrial wireless broadcast or wire cables, after the Digital Television reception, restore original image and sound accompaniment by digital demodulation and digital video-audio decoding processing, its overall process all adopts digital technology to handle.
Along with the continuous development of digital television techniques, the user of many television sets has increased digital antenna on the basis of artificial antenna.The television set of prior art is generally the single antenna input port, digital signal and analog signal be not at the same antenna under most of situation, and the user is switched between digital program and analog program when watching TV programme if desired, then must manually remove to change antenna, use very inconvenient.
Therefore, more existing TVs adopt double-antennae input port to solve the problem that the user changes antenna.When adopting this technology, fixing an antenna input port is ATV (Analog Television, simulated television) input port, another antenna input port is DTV (Digital Television, Digital Television) input port, the user only need be inserted into the corresponding port with ATV antenna and DTV antenna and gets final product like this.
But in a lot of places, user's family has two antennas, and when existing analog program had digital program at least one antenna in two antennas, as having only analog program on the antenna, another existing analog program in root sky had digital program again.At this moment, when the user will watch the analog program of different antennae, still need manually to remove to change antenna, use still inconvenient.
Summary of the invention
The problem to be solved in the present invention provides a kind of channel selecting device and method of television with double-antennae input port, to overcome the defective that needs manually to change antenna when the user sees the different antennae program in the prior art.
For achieving the above object, technical scheme of the present invention provides a kind of channel selecting device of television with double-antennae input port, described device comprises: first antenna input port, be connected with first antenna, and be used for receiving the programme signal that TV station sends by described first antenna; Second antenna input port is connected with second antenna, is used for receiving the programme signal that TV station sends by described second antenna; Memory is used to store the programme information that contains the antenna port sign; Program selection unit is used for the channel selection instruction according to user's input, selects program information corresponding in the described memory; The port selected cell is used for the antenna port sign according to selected programme information, the antenna input port of selective reception programme signal.
Further, described device also comprises: the program information search unit is used for from described first antenna input port and/or second antenna input port search programme information; The antenna port sign is provided with the unit, be used for according to described program information search unit searches to programme information and search the antenna input port of described programme information, the sign of described antenna input port is set in the described programme information, and the programme information after will being provided with stores in the described memory.
Technical scheme of the present invention also provides a kind of method of channel selection of television with double-antennae input port, said method comprising the steps of: the channel selection instruction of steps A, reception user input; Step B, according to described channel selection Instruction Selection program information corresponding; Step C, according to the antenna port in selected programme information sign, the antenna input port of selective reception programme signal, described antenna input port comprise first antenna input port and second antenna input port; Step D, from selected antenna input port program receiving signal.
Further, before steps A, also comprise: step e, search for programme information and the antenna port sign of described programme information is set.
Further, described step e specifically comprises: step e 1, from current antenna input port search programme information; Step e 2, the sign of current antenna input port is set in the programme information that searches; Programme information after step e 3, storage are provided with; Step e 4, judge that whether current frequency is the cut-off frequency of default frequency range, if not, then continue from current antenna input port search programme information; Otherwise change step e 5; Step e 5, judge whether two antenna input ports are all searched for and finish that if not, then another antenna input port is set to current antenna input port, and changes step e 1; Otherwise finish.
Further, described step e 1 specifically comprises: step e 11, judge whether current antenna input port is first antenna input port, if, then from first antenna input port search programme information; Otherwise from second antenna input port search programme information; Step e 12, judge whether to pin program, if then change step e 2; Otherwise continue the search program by the scanning frequency stepping, and change step e 4.
Compared with prior art, beneficial effect of the present invention is as follows:
When searching platform by television with double-antennae input port, the present invention adds the antenna input port sign, and when user's channel selection, reading this sign, the antenna that automaticallyes switch then makes things convenient for the user to watch program from different antennae, need not the user and manually change antenna, promoted user experience.
Description of drawings
Fig. 1 is the structural representation of channel selecting device of a kind of television with double-antennae input port of the embodiment of the invention;
Fig. 2 is the structural representation of channel selecting device of the another kind of television with double-antennae input port of the embodiment of the invention;
Fig. 3 is the flow chart of method of channel selection of a kind of television with double-antennae input port of the embodiment of the invention;
Fig. 4 is the flow chart of the search programme information of the embodiment of the invention and the antenna port that described programme information is set sign.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
The structure of the channel selecting device of a kind of television with double-antennae input port of present embodiment as shown in Figure 1, this device comprise in first antenna input port, second antenna input port, tuner, the simulation put, digital demodulator, master chip and memory.Wherein, tuner receives the programme signal of first antenna input port and/or second antenna input port, when being analog program, tuner is with AIF (Analog IntermediateFrequency, analog intermediate frequency) signal sends in the simulation and puts, put output CVBS (CompositeVideo Broadcast Signal, composite video signal) in the simulation to master chip; When being digital program, tuner sends to digital demodulator with DIF (Digital Intermediate Frequency, digital intermediate frequency) signal, and digital demodulator output TS (Transport Stream, transport stream) data are to master chip; Master chip passes through I
2The C bus is connected with tuner with memory, is used for read-write memory and control programme signal.Comprise program selection unit and port selected cell in the master chip, wherein program selection unit is connected with memory, and the port selected cell is connected with tuner.
First antenna input port is connected with first antenna, is used for receiving the programme signal that TV station sends by described first antenna; Second antenna input port is connected with second antenna, is used for receiving the programme signal that TV station sends by described second antenna; Memory is used for the programme information that storage contains the antenna port sign of RF (Radio Frequence, radio frequency); Program selection unit is used for the channel selection instruction according to user's input, selects program information corresponding in the described memory; The port selected cell will select the control signal Ctr of antenna input port to send to tuner, be used for the antenna port sign RF according to selected programme information, the antenna input port of selective reception programme signal; Supposition is chosen first antenna input port in the present embodiment when Ctr=0, when Ctr=1, chooses second antenna input port.
Embodiment 2
The structure of the channel selecting device of a kind of television with double-antennae input port of present embodiment as shown in Figure 2, this device is compared with embodiment 1, comprise also in the master chip that program information search unit and antenna port sign is provided with the unit, wherein program information search unit and antenna port identify and the unit is set is connected.The program information search unit is used for from first antenna input port and/or second antenna input port search programme information; Antenna port sign be provided with the unit be used for according to described program information search unit searches to programme information and search the antenna input port of described programme information, the sign of described antenna input port is set in the described programme information, and the programme information after will being provided with stores in the memory.
Embodiment 3
The method of channel selection of a kind of television with double-antennae input port of the embodiment of the invention as shown in Figure 3, at first receive the channel selection instruction of user's input, then according to described channel selection Instruction Selection program information corresponding, identify according to the antenna port in the selected programme information again, the antenna input port of selective reception programme signal, described antenna input port comprise antenna input port A and antenna input port B; At last from selected antenna input port program receiving signal.With reference to Fig. 3, present embodiment may further comprise the steps:
Step s301 receives the channel selection instruction of user's input.
Step s302 is according to described channel selection Instruction Selection program information corresponding.
Step s303 judges whether the antenna port sign RF in this programme information is the sign of antenna input port A.If then change step s304; Otherwise change step s306.
Step s304, being provided with and selecting the control signal Ctr of antenna input port is 0.
Step s305 receives the programme signal that TV station sends from the antenna A that is connected with antenna input port A, changes step s308.
Step s306, being provided with and selecting the control signal Ctr of antenna input port is 1.
Step s307 receives the programme signal that TV station sends from the antenna B that is connected with antenna input port B.
Step s308, locking and display program.
Embodiment 4
Present embodiment is compared with embodiment 3, before channel selection, also comprises the process of the antenna port sign of searching for programme information and described programme information being set, and this process may further comprise the steps as shown in Figure 4:
The platform of searching of step s401, reception user input instructs.
Step s402, current antenna input port is set.
Station identification I=0 is searched in step s403, setting.
Step s404, judge whether Ctr is 0, judge promptly whether current antenna input port is antenna input port A, if then change step s405; Otherwise change step s406.
Step s405, from antenna input port A search programme information, and change step s407.
Step s406, from antenna input port B search programme information.
Step s407, judge whether to pin program, if then change step s409; Otherwise change step s408.
Step s408, continue the search program, and change step s411 by the scanning frequency stepping.
Step s409, the sign of current antenna input port is set in the programme information that searches.Promptly in the programme information that searches, add antenna port sign RF, if Ctr=0, RF=A then, otherwise RF=B.
Programme information after step s410, storage are provided with.
Step s411, judge that whether current frequency is the cut-off frequency of default frequency range, if then change step s412; Otherwise change step s414.
Whether station identification I is searched in step s412, judgement is 1, if then finish; Otherwise change step s413.
Step s413, I=I+1 is set, and, is about to another antenna input port and is set to current antenna input port, and change step s404 the Ctr negate.
Step s414, continuation are from current antenna input port search programme information.
When searching platform by television with double-antennae input port, the embodiment of the invention adds the antenna input port sign, and when user's channel selection, reading this sign, the antenna that automaticallyes switch then makes things convenient for the user to watch program from different antennae, need not the user and manually change antenna, promoted user experience.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the channel selecting device of a television with double-antennae input port is characterized in that, described device comprises:
First antenna input port is connected with first antenna, is used for receiving the programme signal that TV station sends by described first antenna;
Second antenna input port is connected with second antenna, is used for receiving the programme signal that TV station sends by described second antenna;
Memory is used to store the programme information that contains the antenna port sign;
Program selection unit is used for the channel selection instruction according to user's input, selects program information corresponding in the described memory;
The port selected cell is used for the antenna port sign according to selected programme information, the antenna input port of selective reception programme signal.
2. the channel selecting device of television with double-antennae input port as claimed in claim 1 is characterized in that, described device also comprises:
The program information search unit is used for from described first antenna input port and/or second antenna input port search programme information;
The antenna port sign is provided with the unit, be used for according to described program information search unit searches to programme information and search the antenna input port of described programme information, the sign of described antenna input port is set in the described programme information, and the programme information after will being provided with stores in the described memory.
3. the method for channel selection of a television with double-antennae input port is characterized in that, said method comprising the steps of:
The channel selection instruction of steps A, reception user input;
Step B, according to described channel selection Instruction Selection program information corresponding;
Step C, according to the antenna port in selected programme information sign, the antenna input port of selective reception program data, described antenna input port comprise first antenna input port and second antenna input port;
Step D, from selected antenna input port program receiving data.
4. the method for channel selection of television with double-antennae input port as claimed in claim 3 is characterized in that, before steps A, also comprises:
Step e, search for programme information and the antenna port sign of described programme information is set.
5. the method for channel selection of television with double-antennae input port as claimed in claim 4 is characterized in that, described step e specifically comprises:
Step e 1, from current antenna input port search programme information;
Step e 2, the sign of current antenna input port is set in the programme information that searches;
Programme information after step e 3, storage are provided with;
Step e 4, judge that whether current frequency is the cut-off frequency of default frequency range, if not, then continue from current antenna input port search programme information; Otherwise change step e 5;
Step e 5, judge whether two antenna input ports are all searched for and finish that if not, then another antenna input port is set to current antenna input port, and changes step e 1; Otherwise finish.
6. the method for channel selection of television with double-antennae input port as claimed in claim 5 is characterized in that, described step e 1 specifically comprises:
Step e 11, judge whether current antenna input port is first antenna input port, if, then from first antenna input port search programme information; Otherwise from second antenna input port search programme information;
Step e 12, judge whether to pin program, if then change step e 2; Otherwise continue the search program by the scanning frequency stepping, and change step e 4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180389.1A CN101695111B (en) | 2009-10-27 | 2009-10-27 | Channel selecting device and method of television with double-antennae input port |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910180389.1A CN101695111B (en) | 2009-10-27 | 2009-10-27 | Channel selecting device and method of television with double-antennae input port |
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| CN101695111A true CN101695111A (en) | 2010-04-14 |
| CN101695111B CN101695111B (en) | 2015-06-17 |
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| CN200910180389.1A Active CN101695111B (en) | 2009-10-27 | 2009-10-27 | Channel selecting device and method of television with double-antennae input port |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055930A (en) * | 2010-12-09 | 2011-05-11 | 深圳Tcl新技术有限公司 | Multi-signal simultaneous searching device and method |
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| CN1298239A (en) * | 1999-11-17 | 2001-06-06 | 索尼公司 | Information transmission system, information outputting & inputting equipment and connecting relation recognition method |
| CN1941868A (en) * | 2005-09-30 | 2007-04-04 | 深圳Tcl新技术有限公司 | List concerned with same program on different TV channels and switching method among them |
| CN101047811A (en) * | 2006-03-27 | 2007-10-03 | 船井电机株式会社 | Broadcast receiver |
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2009
- 2009-10-27 CN CN200910180389.1A patent/CN101695111B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298239A (en) * | 1999-11-17 | 2001-06-06 | 索尼公司 | Information transmission system, information outputting & inputting equipment and connecting relation recognition method |
| CN1941868A (en) * | 2005-09-30 | 2007-04-04 | 深圳Tcl新技术有限公司 | List concerned with same program on different TV channels and switching method among them |
| CN101047811A (en) * | 2006-03-27 | 2007-10-03 | 船井电机株式会社 | Broadcast receiver |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055930A (en) * | 2010-12-09 | 2011-05-11 | 深圳Tcl新技术有限公司 | Multi-signal simultaneous searching device and method |
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| CN101695111B (en) | 2015-06-17 |
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