CN101695111B - 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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- CN101695111B CN101695111B CN200910180389.1A CN200910180389A CN101695111B CN 101695111 B CN101695111 B CN 101695111B CN 200910180389 A CN200910180389 A CN 200910180389A CN 101695111 B CN101695111 B CN 101695111B
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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 that user uses generally is divided into simulated television and Digital Television.The generation of the TV signal of simulated television, transmission, process are to the recovery of receiver, and whole process nearly all completes under simulation system, and when being characterized in adopting, axle gets a sample, and every frame samples in the vertical direction, transmits TV signal in amplitude modulation(PAM) mode.Digital signal is used in the process of the TV signal of Digital Television, transmission, transmitting and receiving process, its concrete transmitting procedure is: the image sent by TV station and voice signal, after digital compression and digital modulation, form digital television signal, through mode transmission such as satellite, terrestrial wireless broadcast or wire cables, after Digital TV Receiving, restore original image and sound accompaniment by digital demodulation and digital video-audio decoding process, its overall process all adopts digital technology process.
Along with the development of digital television techniques, the user of many television sets adds digital antenna on the basis of artificial antenna.The television set of prior art is generally single antenna input port, digital signal and analog signal be not at the same antenna in most cases, and user is when watching TV programme, if needs switch between digital program and analog program, then manually must go to change antenna, use very inconvenient.
Therefore, more existing TV adopts double-antennae input port to solve the problem that 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, such user only needs ATV antenna and DTV antenna to be inserted into corresponding port.
But in a lot of place, user's family may have two antennas, and when in two antennas, at least one antenna, existing analog program has a digital program, as an antenna only having analog program, another existing analog program in root sky has digital program again.Now, when user will watch the analog program of different antennae, still need manually to go to change antenna, use or inconvenience.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of channel selecting device and method of television with double-antennae input port, needs manually to change the defect of antenna to overcome when user in prior art sees different antennae program.
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: the first antenna input port, is connected with the first antenna, for being received the programme signal that TV station sends by described first antenna; Second antenna input port, is connected with the second antenna, for being received the programme signal that TV station sends by described second antenna; Memory, for storing the programme information containing antenna port mark; Program selection unit, for the channel selection instruction inputted according to user, selects programme information corresponding in described memory; Port selected cell, for according to the antenna port mark in selected programme information, selects the antenna input port of program receiving signal.
Further, described device also comprises: program information search unit, for from described first antenna input port and/or the second antenna input port searching programs information; Antenna port mark setting unit, for according to described program information search unit searches to programme information and search the antenna input port of described programme information, the mark of described antenna input port is set in described programme information, and the programme information after arranging is stored in 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, the programme information corresponding according to described channel selection instruction selection; Step C, according to the antenna port mark in selected programme information, select the antenna input port of program receiving signal, described antenna input port comprises the first antenna input port and the second antenna input port; Step D, from selected antenna input port program receiving signal.
Further, before steps A, also comprise: step e, searching programs information and arrange described programme information antenna port mark.
Further, described step e specifically comprises: step e 1, from current antenna input port searching programs information; Step e 2, the mark of current antenna input port is set in the programme information that searches; Programme information after step e 3, storage are arranged; Step e 4, judge that whether ongoing frequency is the cut-off frequency of default frequency range, if not, then continue from current antenna input port searching programs information; Otherwise go to step E5; Step e 5, judge whether two antenna input ports are all searched for complete, if not, then another antenna input port is set to current antenna input port, and goes to step E1; Otherwise terminate.
Further, described step e 1 specifically comprises: step e 11, judge whether current antenna input port is the first antenna input port, if so, then from the first antenna input port searching programs information; Otherwise from the second antenna input port searching programs information; Step e 12, judge whether pin program, if so, then go to step E2; Otherwise continue searching programs by scanning frequency stepping, and go to step E4.
Compared with prior art, beneficial effect of the present invention is as follows:
The present invention is by adding antenna input port mark during television with double-antennae input port tuning, and this mark is read when user's channel selection, then automatically switch antenna, facilitates user to watch program from different antennae, manually change antenna without the need to user, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the structural representation of the channel selecting device of a kind of television with double-antennae input port of the embodiment of the present invention;
Fig. 2 is the structural representation of the channel selecting device of the another kind of television with double-antennae input port of the embodiment of the present invention;
Fig. 3 is the flow chart of the method for channel selection of a kind of television with double-antennae input port of the embodiment of the present invention;
Fig. 4 be the embodiment of the present invention searching programs information and arrange described programme information antenna port mark flow chart.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of 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 the present embodiment as shown in Figure 1, this device comprise in the first antenna input port, the second antenna input port, tuner, simulation put, digital demodulator, master chip and memory.Wherein, tuner receives the programme signal of the first antenna input port and/or the second antenna input port, when for analog program, tuner is by AIF (Analog IntermediateFrequency, analog intermediate frequency) signal is sent in simulation and puts, put in simulation and export CVBS (CompositeVideo Broadcast Signal, composite video signal) to master chip; When for digital program, tuner is by DIF (Digital Intermediate Frequency, digital intermediate frequency) signal is sent to digital demodulator, and digital demodulator exports TS (Transport Stream, transport stream) data to master chip; Master chip passes through I
2c bus is connected with memory and tuner, for read-write memory and control programme signal.Master chip comprises program selection unit and port selected cell, and wherein program selection unit is connected with memory, and port selected cell is connected with tuner.
First antenna input port is connected with the first antenna, for being received the programme signal that TV station sends by described first antenna; Second antenna input port is connected with the second antenna, for being received the programme signal that TV station sends by described second antenna; Memory is used for the programme information that the antenna port of storage containing RF (Radio Frequence, radio frequency) identifies; Program selection unit is used for the channel selection instruction according to user's input, selects programme information corresponding in described memory; Port selected cell is sent to tuner by selecting the control signal Ctr of antenna input port, for according to the antenna port mark RF in selected programme information, selects the antenna input port of program receiving signal; In the present embodiment, supposition is as Ctr=0, chooses the first antenna input port, as Ctr=1, chooses the second antenna input port.
Embodiment 2
The structure of the channel selecting device of a kind of television with double-antennae input port of the present embodiment as shown in Figure 2, this device is compared with embodiment 1, also comprise program information search unit and antenna port mark setting unit in master chip, wherein program information search unit and antenna port identify setting unit and are connected.Program information search unit is used for from the first antenna input port and/or the second antenna input port searching programs information; Antenna port mark setting 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 mark of described antenna input port is set in described programme information, and the programme information after arranging is stored in memory.
Embodiment 3
The method of channel selection of a kind of television with double-antennae input port of the embodiment of the present invention as shown in Figure 3, first the channel selection instruction of user's input is received, then corresponding programme information is selected according to described channel selection instruction, again according to the antenna port mark in selected programme information, select the antenna input port of program receiving signal, described antenna input port comprises antenna input port A and antenna input port B; Last from selected antenna input port program receiving signal.With reference to Fig. 3, the present embodiment comprises the following steps:
Step s301, receives the channel selection instruction of user's input.
Step s302, selects corresponding programme information according to described channel selection instruction.
Whether step s303, the antenna port mark RF judging in this programme information are the mark of antenna input port A.If so, then s304 is gone to step; Otherwise go to step s306.
Step s304, arranges and selects the control signal Ctr of antenna input port to be 0.
Step s305, receives from the antenna A be connected with antenna input port A the programme signal that TV station sends, goes to step s308.
Step s306, arranges and selects the control signal Ctr of antenna input port to be 1.
Step s307, receives from the antenna B be connected with antenna input port B the programme signal that TV station sends.
Step s308, locking is display program also.
Embodiment 4
The present embodiment compared with embodiment 3, before channel selection, also comprise searching programs information and arrange described programme information antenna port mark process, this process as shown in Figure 4, comprises the following steps:
The tuning instruction of step s401, reception user input.
Step s402, current antenna input port is set.
Step s403, arrange tuning mark I=0.
Step s404, judge whether Ctr is 0, namely judge whether current antenna input port is antenna input port A, if so, then goes to step s405; Otherwise go to step s406.
Step s405, from antenna input port A searching programs information, and go to step s407.
Step s406, from antenna input port B searching programs information.
Step s407, judge whether pin program, if so, then go to step s409; Otherwise go to step s408.
Step s408, continue searching programs by scanning frequency stepping, and go to step s411.
Step s409, the mark of current antenna input port to be set in the programme information that searches.Namely in the programme information searched, add antenna port mark RF, if Ctr=0, then RF=A, otherwise RF=B.
Programme information after step s410, storage are arranged.
Step s411, judge that whether ongoing frequency is the cut-off frequency of default frequency range, if so, then go to step s412; Otherwise go to step s414.
Step s412, judge tuning mark I whether be 1, if it is terminate; Otherwise go to step s413.
Step s413, I=I+1 is set, and by Ctr negate, is set to current antenna input port by another antenna input port, and goes to step s404.
Step s414, to continue from current antenna input port searching programs information.
The embodiment of the present invention is by adding antenna input port mark during television with double-antennae input port tuning, and this mark is read when user's channel selection, then automatically switch antenna, facilitates user to watch program from different antennae, manually change antenna without the need to user, improve Consumer's Experience.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing 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 (4)
1. a channel selecting device for television with double-antennae input port, is characterized in that, described device comprises:
First antenna input port, is connected with the first antenna, for being received the programme signal that TV station sends by described first antenna;
Second antenna input port, is connected with the second antenna, for being received the programme signal that TV station sends by described second antenna;
Program information search unit, for from described first antenna input port and/or the second antenna input port searching programs information;
Antenna port mark setting unit, for according to described program information search unit searches to programme information and search the antenna input port of described programme information, the mark of described antenna input port is set in described programme information;
Memory, for storing the programme information containing antenna port mark, described antenna port mark setting unit is used for the programme information after arranging to be stored in described memory;
Program selection unit, for the channel selection instruction inputted according to user, selects programme information corresponding in described memory;
Port selected cell, for according to the antenna port mark in selected programme information, selects the antenna input port of program receiving signal.
2. a method of channel selection for 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, the programme information corresponding according to described channel selection instruction selection;
Step C, according to the antenna port mark in selected programme information, select the antenna input port of program receiving signal, described antenna input port comprises the first antenna input port and the second antenna input port;
Step D, from selected antenna input port program receiving signal;
Wherein, before steps A, also comprise step e: searching programs information and arrange described programme information antenna port mark.
3. the method for channel selection of television with double-antennae input port as claimed in claim 2, it is characterized in that, described step e specifically comprises:
Step e 1, from current antenna input port searching programs information;
Step e 2, the mark of current antenna input port is set in the programme information that searches;
Programme information after step e 3, storage are arranged;
Step e 4, judge that whether ongoing frequency is the cut-off frequency of default frequency range, if not, then continue from current antenna input port searching programs information; Otherwise go to step E5;
Step e 5, judge whether two antenna input ports are all searched for complete, if not, then another antenna input port is set to current antenna input port, and goes to step E1; Otherwise terminate.
4. the method for channel selection of television with double-antennae input port as claimed in claim 3, it is characterized in that, described step e 1 specifically comprises:
Step e 11, judge whether current antenna input port is the first antenna input port, if so, then from the first antenna input port searching programs information; Otherwise from the second antenna input port searching programs information;
Step e 12, judge whether pin program, if so, then go to step E2; Otherwise continue searching programs by scanning frequency stepping, and go to step E4.
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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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| 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 CN101695111A (en) | 2010-04-14 |
| CN101695111B true 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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| 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 |
Citations (2)
| 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 |
| CN101047811A (en) * | 2006-03-27 | 2007-10-03 | 船井电机株式会社 | Broadcast receiver |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1941868B (en) * | 2005-09-30 | 2010-05-26 | 深圳Tcl新技术有限公司 | TV channels switching method of same broadcasting and TV channel information |
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Patent Citations (2)
| 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 |
| CN101047811A (en) * | 2006-03-27 | 2007-10-03 | 船井电机株式会社 | Broadcast receiver |
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