CN101132490A - Television receiver for automatically switching channel according to intensity of received signal and method thereof - Google Patents
Television receiver for automatically switching channel according to intensity of received signal and method thereof Download PDFInfo
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- CN101132490A CN101132490A CNA200610115117XA CN200610115117A CN101132490A CN 101132490 A CN101132490 A CN 101132490A CN A200610115117X A CNA200610115117X A CN A200610115117XA CN 200610115117 A CN200610115117 A CN 200610115117A CN 101132490 A CN101132490 A CN 101132490A
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Abstract
This invention relates to a TV receiver converting channels automatically according to signals received and its method including: judging if a channel moving process via users is carried out or if a channel is listened by a listener and output, if the channel moving process is done, then the signal receiving intensity of a channel settled currently is tested and the current channel is converted to adjacent channel according to the intensity and stipulated intensity of a primary signal, if a channel is listened, then its intensity is tested while listening, if the tested intensity is smaller than the stipulated one, then it is converted to other channels if a conversion instruction is input.
Description
Technical field
The present invention relates to television receiver; Especially relate to the signal strength signal intensity that receives according to from TV station, television receiver and the method thereof that can remove automatically switching channel.
Background technology
Be in so-called digital revolution epoch now; Along with the develop rapidly of science and technology, comprise the multimedia field of various information such as image and sound equipment, information communication has obtained development very fast; And the storage of information and have form, also carrying out the transition to digitized form from the simulation form.Owing to be used for compressing the development of the dynamic image compression standard MPEG technology that needs a large amount of DIDs, the size of DID is also diminishing gradually, and progressively expand to nearly all fields such as computer, broadcasting, household electrical appliance, communications, the service of digital video and audio frequency is being provided; The various digital devices of this service meanwhile, have appearred being used to provide.
Wherein, television set is the effective information reception and registration medium as making things convenient in daily life, occupy important status; It utilizes the MPEG technology to come video data and voice data are compressed and transmit by means of the development of digital technology; Therefore, along with can be a large amount of information, the coming on stage of the faster Digital Television that more safely provides also can remove to appreciate the more Polymera that image quality and more lively sound equipment are more clearly broadcast at home easily.
Along with popularizing of this Digital Television, look the hearer can remove to store a large amount of programs and to the information of this program, and utilize this information to select program, and go audiovisual according to user's hobby.In addition, the broadcast program that digital television broadcasting is a large amount of is compared and will be reached tens of times with the existing analogue TV; If satellite digital TV is generally popularized, so, just can remove the global program of audiovisual.If be like this, so, the user just can be sitting in oneself the room just can remove the hundreds of or thousands of above broadcast programs of audiovisual.Under the broadcast program situation more than this audiovisual is thousands of,, must need to search broadcast program by electronic program list (EPG) in order to go to search information and TV guide to broadcast program.Certainly just can go to utilize the information of program at an easy rate by electronic program list, but the user under the situation of audiovisual TV programme, wonder when what program next program be, must remove to show electronic program list all over the screen.Or must go to eject options menu for the title of seeing next program; In this case, just in order to go to see the title of a broadcast program, must show unnecessary screen display (OSD) and information, this can hinder watches current program, but also goes to see the information that there is no need.In addition, press the control of remote controller key, the broadcast program more than hundreds of one by one remove to search programm name, this is to pay a lot of time and effort.In order to address this problem, in the patent of korean application 2002-0079801 number, the automatic channel setting method of a multichannel system has been proposed; This method is at the automatic setting channel or when mobile, to the channel that is set at any time do not do tuning and jump in the past after went to carry out channel search again.
To above-mentioned patented invention, if do simple introduction, so in korean application, it has following step characteristics, goes to set the automatic channel retrieval if that is: be provided with a user, so, just remove to select channel, go then to judge whether selected channel is the channel of setting at any time; If channel at any time so, just moves to next channel, and then go to carry out the step of above-mentioned deterministic process; Be provided with the result of a judgement,, so, just remove to have judged whether broadcast singal,, so, just be equipped with selecteed channel, if just go deletion, the stage of removing to carry out repeatedly said process again to storage portion stores if broadcast singal is arranged if not channel at any time; Be provided with one and go to judge whether all channels have all been carried out above-mentioned process,, so, just go to finish the automatic channel retrieve stored, go then to judge whether the user has selected the step of memory channel mode if all channels have all been carried out above-mentioned process; Selected the user to remember channel mode if be provided with a user, so, be in above-mentioned process, to stored each channel in the storage part, judge whether to be judged to be the step of channel at any time according to the user; If be provided with a result who judges, the user is judged to be channel at any time to selected channel, so, it is deposited into the step of storage part.
But, by aforesaid traditional automatic channel setting method, the number of channels of setting, at least more than 30, even therefore come setting contents of channel by the automatic channel setting process, the user is in order to retrieve channel, remove to press the control of remote controller key, at least several times, just can remove to choose channel, the existence still of this trouble tens of at most times.
Summary of the invention
The present invention develops in order to address this is that; The object of the present invention is to provide a kind of television receiver, so that will can remove automatically switching channel according to the signal strength signal intensity that receives from TV station.
Another object of the present invention is to provide a kind of television receiver to come the method for automatically switching channel according to the intensity of received signal, so that when utilizing equipment such as remote controller to go converted channel the user, to automatically be transformed into the channel a little less than the received signal on the contiguous channel, significantly dwindle the number of times of pressing remote controller when selecting channel whereby.
A further object of the invention provides a kind of television receiver comes automatically switching channel according to the intensity of received signal method, so that when in many broadcasting channels, removing the some channels of audiovisual, if the received signal weakened of current channel, so, allow it be transformed into automatically on the channel that signal normally received, so as to allow the user can be frequent remove the good picture of view quality.
Television receiver according to the intensity automatically switching channel of received signal, promptly receive the broadcast singal of broadcasting channel, and it is outputed to television receiver on the screen, comprise following part: be provided with a tuner, it is de-tuned a plurality of channels from TV station's received signal selectively, and export an aanalogvoltage, this voltage will be proportional with the intensity of the broadcast singal that receives by tuning in to channels; Be provided with a signal detecting element, when the broadcast singal of receiving channels, it will detect from the aanalogvoltage of tuner output; Be provided with a signal conversion part, it will convert the aanalogvoltage that is detected by the signal detecting element to digital voltage; Also be provided with a control part, it will along with in the input/instruction of downlink channel, remove to control tuner and come mobile channel; In the process of mobile channel, for current channel is transformed into contiguous channel automatically, will be according to receiving by signal conversion part, and by detecting the represented signal strength signal intensity of voltage, and the size of the reference signal intensity of regulation, go to control the tuning of tuner; When to the signal strength signal intensity that channel received of screen output, die down if compare with the stipulated standard signal strength signal intensity, so, will be transformed on other the channel obtain tuning channel by tuner.
Method according to the intensity automatically switching channel of received signal, promptly at the broadcast singal that receives broadcasting channel, and it is outputed in the television receiver on the screen, be used for changing a method by the broadcasting channel of tuner received signal, comprise the steps: to be provided with first step, in this step, judge whether carrying out a channel moving process by the user with going, perhaps whether continuing the some channel of receiving said audiovisual person in audiovisual, the line output of going forward side by side; Be provided with second step, in this step, the result who judges, if the process of a mobile channel, so will along with in the input/instruction of downlink channel, in the process of mobile channel, go to detect the received signal intensity of the channel in the current stop, according to the size of the reference signal intensity of the intensity of the received signal that detects and regulation, current channel is transformed into contiguous channel then; Be provided with third step, in this step, if the result of judgement at the some channels of audiovisual, so, in the time of with the channel that continues to keep in the current audiovisual, goes to detect the intensity of the received signal of current channel; And when the received signal intensity that detects, become less than after the reference signal intensity of stipulating, if the inputting channel conversion instruction, so just the channel of current channel switch to other.
Advantage and effect that the present invention had are:
As described above, the present invention when utilizing equipment such as remote controller to change receiving channels in the television receiver as the user, will be transformed into the channel a little less than the received signal automatically on the contiguous channel, thereby can provide the user convenient; In addition, in the channel that television receiver receives, just in the process of the some channels of audiovisual, if the received signal intensity of current channel dies down, so, to be transformed into automatically on the normal channel of received signal, thereby, can improve the user's of audiovisual television receiver satisfaction to the picture that the user often provides high image quality.
Description of drawings
Fig. 1 is in an embodiment of the present invention, uses the structure chart of television receiver according to the intensity automatically switching channel of received signal.
Fig. 2 is in the television receiver of the embodiment of the invention, according to the flow chart of the method for the intensity automatically switching channel of received signal.
Fig. 3 a and Fig. 3 b are in the television receiver of the embodiment of the invention, are used for illustrating the picture exemplary plot according to the intensity automatically switching channel process of received signal.
The symbol description of accompanying drawing major part
100: television receiver 101: tuner
102: screen 103: loud speaker
104: analog to digital converter 105: Video processing portion
106: audio treatment part 107: image processing part
108: amplifier 109: storage part
110: signal detecting element 111: signal conversion part
112: control part
Embodiment
With reference to the accompanying drawings, describe embodiments of the invention in detail.
Fig. 1 is in an embodiment of the present invention, according to the structure chart of the television receiver of the intensity automatically switching channel of received signal.
As shown in Figure 1, television receiver 100 of the present invention comprises following components, is provided with a tuner 101 that is:, and it will receive composite video signal from TV station, export analog picture signal and acoustic signal then; Be provided with a screen 102, be used for display image signals; Be provided with a loud speaker 103, be used for exporting acoustic signal; Be provided with an analog to digital converter 104, it will convert the analog picture signal of tuner 101 outputs to data image signal; Be provided with a Video processing portion 105, it will be processed into a signal aspect that is suitable for screen 102 to the data image signal from analog to digital converter 104 outputs; Be provided with an audio treatment part 106, it will be processed into a signal that is suitable for loud speaker 103 to the acoustic signal from tuner 101 outputs; Be provided with an image processing part 107, it will be processed into a signal that is suitable for screen 102 to the picture signal that obtains exporting from Video processing portion 105; Be provided with an amplifier 108, it will output to loud speaker 103 after the acoustic signal of audio treatment part 106 outputs is amplified.
In addition, television receiver 100 of the present invention also comprises following several sections, is provided with a storage part 109 that is:, and it will store various images and Word message, and storage is used for the channel reference signal intensity of conversion automatically; Be provided with a signal detecting element 110, when the broadcast singal of receiving channels, be used for detecting aanalogvoltage from tuner 101 outputs; Be provided with a signal conversion part 111, it will convert the aanalogvoltage that obtains detecting by signal detecting element 110 to digital voltage; Be provided with a control part 112, it will according on obtaining importing by remote controller/downlink channel instruction, remove mobile channel; And in the channel moving process, be detected the represented signal strength signal intensity of voltage and leave the size of the reference signal intensity in the storage part 109 in according to what receive by signal conversion part 111, will be transformed into contiguous channel to current channel automatically; If the channel received signal intensity in screen 102 outputs less than the reference signal intensity that leaves in the storage part 109, so, will be transformed into other channel to the channel that is receiving by tuner 101.
The broadcast singal of each channel, when being input to tuner 101, signal detecting element 110 will remove to detect the aanalogvoltage by tuner 101 outputs, promptly be used for representing an aanalogvoltage of received signal intensity, and then output to signal conversion part 111.
Signal conversion part 111 will detect voltage transitions to the simulation that receives from detecting element 110 and become a numeral to detect voltage, be sent to control part 112 then.
If the user go to press remote controller on/the downlink channel key, so, control part 112 will remove to control the channel tuning of tuner 101; Along with in the input/instruction of downlink channel, remove to control tuner and come mobile channel.In the process of removing the mobile channel key in this wise, for current channel is transformed into contiguous channel automatically, will be according to receiving by signal conversion part, and by detecting the represented signal strength signal intensity of voltage, and the size of the reference signal intensity of regulation, go to control the tuning of tuner; If the received signal intensity of the current stop channel that obtains detecting from signal detecting element 110, greater than the reference signal intensity that leaves in the storage part 109, so, control part 112 will remove to keep current channel, in input/during the instruction of downlink channel till.If received signal intensity is less than the reference signal intensity of regulation, so, control part 112 will remove to control the channel tuning of tuner 101 for current channel being transformed into contiguous channel.
The user is in the process of using a certain channel of audiovisual, the received signal intensity of the current channel that detects by signal detecting element 110, if greater than the reference signal intensity of depositing in storage part 109, so, control part 112 will remove to keep the just current channel in audiovisual.The intensity of current channel received signal, if less than the intensity of the reference signal of depositing in storage part 109, so, control part 112 will be shown to the content of consulting channel switch on the screen 102.
As the answer of consulting channel switch, if the user indicates channel switch, so, control part 112 will go to retrieve broadcast message on all receiving channelss by tuner 101, go to seek to broadcast the channel identical with the broadcast program contents of current channel.The result of retrieval exist to broadcast the channel of identical broadcasts program, and so, control part 112 will remove to control the channel tuning of tuner 101, is transformed into then broadcasting on other the channel of identical broadcasts program.But the result of retrieval if there is no broadcasts the channel of same program, and so, control part 112 will be channel switch to current adjacent channel.
Have said structure and function below with reference to flow chart explanation, television receiver of the present invention will come the process of automatically switching channel according to the intensity of received signal.
Fig. 2 is in the television receiver of the embodiment of the invention, comes the method flow diagram of automatically switching channel according to the intensity of received signal.
As shown in Figure 2, if the user removes to press the menu control key on the remote controller, so, as shown in Fig. 3 a, television receiver 100 will show the menu item (S201) that is included in the upper of defined in " automatic channel conversion " project with the form of on-screen displays.
Under this state, if the user utilizes remote controller to select automatic channel conversion project (S202), so, television receiver 100 will be according to the intensity of the received signal of channel, with go to set be used for automatically switching channel " automatic channel translative mode " (S203).
But, automatic channel translative mode of the present invention, not necessarily leave no choice but set by aforesaid process, if on remote controller, be equipped with operating key, so, can utilize this operating key to set the automatic channel translative mode, can also set the automatic channel translative mode for the acquiescence item, needn't set separately by the user.
The automatic channel translative mode is under the state that obtains like this setting, and television receiver 100 will remove to judge whether the channel moving process carrying out by the user, or whether the user is at a channel of audiovisual (S204); If the result who judges is a process that channel moves, so, on pressing remote controller on/during the downlink channel key, will remove mobile channel (S205).
In the process that such channel moves, whether the intensity that the intensity (S206) that television receiver 100 will go to detect the received signal of current stop channel goes to judge the received signal that is detected then is less than the intensity (S207) of stipulated standard signal; If the result who judges, the intensity of the received signal that is detected want big, so, remove to keep current channel, until in the input/the downlink channel instruction till; Carry out the transition to channel moving process (S205) then.
Judged result in deterministic process (S207), if the intensity of received signal is less than the reference signal intensity of regulation, so, television receiver 100 will be transformed into contiguous channel (S208) to its current channel, and remove to keep the channel that obtains changing, up in the input/the downlink channel instruction till; Remove to carry out the transition to channel moving process (S205) then.
In such channel moving process, the channel automatically process of conversion will be proceeded down, until till when selecting a channel by the user is final.
Judged result in deterministic process (S204), if just at the some channels of audiovisual, so, television receiver 100 will remove to continue to keep the current channel in the audiovisual, simultaneously go to detect the signal strength signal intensity that current channel receives, and go to judge that the signal strength signal intensity that is detected is whether less than the intensity (S209) of the reference signal of regulation with certain cycle; If the result who judges, the intensity of the received signal that is detected want big, so, current channel will be continued to keep, until till the inputting channel conversion instruction.
Judged result in deterministic process (S209), if the intensity of received signal is less than the degree of the reference signal of regulation, so, as as shown in Fig. 3 b, television receiver 100 will be the reference content of channel switch, such as " you think converted channel? " to be shown to (S210) on the screen 102 with on-screen displays.As answer to it, if the user utilizes remote controller to instigate channel switch (S211), television receiver 100 will be retrieved broadcast message on all receiving channelss by tuner 101 so, and go to judge whether broadcasting the channel (S212) identical with the broadcast program of current channel.The result who judges, if having at the channel of broadcasting the identical broadcasts program, so, television receiver 100 will be current channel switch on other channel of broadcasting the identical broadcasts program (S213).
Judged result in deterministic process (S212) is if there is no broadcast the channel of identical broadcasts program, and so, television receiver 100 will be channel switch (S214) to the adjacent frequency channel of current channel.
Technological thought of the present invention has been made specific description by embodiment.But embodiment is used for describing; Should be noted that it is not used for limiting.In addition, if the insider in the technology of the present invention field so just can go to understand in the scope of technological thought of the present invention, can make various embodiments.
Claims (10)
1. according to the television receiver of the intensity automatically switching channel of received signal, promptly receive the broadcast singal of broadcasting channel, and it outputed to television receiver on the screen, it is characterized in that comprising following part:
Be provided with a tuner, it is de-tuned a plurality of channels from TV station's received signal selectively, and export an aanalogvoltage, and this voltage will be proportional with the intensity of the broadcast singal that receives by tuning in to channels;
Be provided with a signal detecting element, when the broadcast singal of receiving channels, it will detect from the aanalogvoltage of tuner output;
Be provided with a signal conversion part, it will convert the aanalogvoltage that is detected by the signal detecting element to digital voltage;
Also be provided with a control part, it will along with in the input/instruction of downlink channel, remove to control tuner and come mobile channel; In the process of mobile channel, for current channel is transformed into contiguous channel automatically, will be according to receiving by signal conversion part, and by detecting the represented signal strength signal intensity of voltage, and the size of the reference signal intensity of regulation, go to control the tuning of tuner; When to the signal strength signal intensity that channel received of screen output, die down if compare with the stipulated standard signal strength signal intensity, so, will be transformed on other the channel obtain tuning channel by tuner.
2. the television receiver of the intensity automatically switching channel according to received signal according to claim 1 is configured to default value though it is characterized in that the reference signal intensity of described regulation, can reset by the user.
3. the television receiver of the intensity automatically switching channel according to received signal according to claim 1 and 2 is characterized in that:
In the process of mobile channel, the received signal intensity of current stop channel, if less than the reference signal intensity of stipulating, control part will be transformed into current channel on the contiguous channel automatically so.
4. according to the method for the intensity automatically switching channel of received signal, promptly at the broadcast singal that receives broadcasting channel, and it is outputed in the television receiver on the screen, be used for changing a method by the broadcasting channel of tuner received signal, it is characterized in that comprising the steps:
Be provided with first step, in this step, judge whether carrying out a mobile channel process, perhaps whether continuing the some channel of receiving said audiovisual person in audiovisual, the line output of going forward side by side by the user with going;
Be provided with second step, in this step, the result who judges, if the process of a mobile channel, so will along with in the input/instruction of downlink channel, in the process of mobile channel, go to detect the received signal intensity of the channel in the current stop, according to the size of the reference signal intensity of the intensity of the received signal that detects and regulation, current channel is transformed into contiguous channel then;
Be provided with third step, in this step, if the result of judgement at the some channels of audiovisual, so, in the time of with the channel that continues to keep in the current audiovisual, goes to detect the intensity of the received signal of current channel; And when the received signal intensity that detects, become less than after the reference signal intensity of stipulating, if the inputting channel conversion instruction, so just the channel of current channel switch to other.
5. the method for the intensity automatically switching channel according to received signal according to claim 4 is characterized in that also comprising the steps:
According to the intensity of channel received signal, go to set the 4th step of an automatic channel setting translative mode that is used for automatically switching channel.
6. the method for the intensity automatically switching channel according to received signal according to claim 5 is characterized in that described the 4th step also comprises the steps:
Be provided with the 4-1 step, in this step,, will on screen, show the upper menu item that is included in defined in the automatic channel conversion project along with the menu of finishing regulation is selected;
Be provided with the 4-2 step, in this step,, will go to set an automatic channel translative mode along with automatic channel inverted term purpose is selected.
7. the method for the intensity automatically switching channel according to received signal according to claim 4 is characterized in that the intensity according to the received signal of channel, sets default conditions for being used for the automatic channel translative mode of automatically switching channel.
8. according to the method for the described intensity automatically switching channel according to received signal of among the claim 4-7 each, it is characterized in that in described second step, if the intensity of the received signal that is detected is greater than the stipulated standard signal strength signal intensity, to remove to keep current channel so, until in the input/downlink channel instruction till; If the intensity of the received signal that is detected less than the stipulated standard signal strength signal intensity, will be transformed into current channel on the contiguous channel so.
9. according to the method for the described intensity automatically switching channel according to received signal of among the claim 4-7 each, it is characterized in that described third step comprises the steps:
Be provided with the 3-1 step, in this step, the intensity of the received signal that is detected if compare and diminished with the reference signal intensity of regulation, will show the content of seeking advice from screen conversion so on screen;
Be provided with the 3-2 step, in this step, as the answer of consulting, if go the inputting channel conversion instruction, so will be to other channel current channel switch.
10. according to the method for the described intensity automatically switching channel according to received signal of among the claim 4-7 each, it is characterized in that described third step comprises the steps:
Be provided with the 3-1 step, in this step,, will retrieve broadcast message on all receiving channelss, and go to judge whether to exist and broadcast the channel identical with the broadcast program contents of current channel by tuner along with the inputting channel conversion instruction;
Be provided with the 3-2 step, in this step, the result of judgement, if exist to broadcast the channel of identical broadcasts program, so will be current channel switch to broadcasting on other the channel of identical broadcasts program;
Be provided with the 3-3 step, in this step, the result of judgement if there is no broadcasts the channel of same program, will current channel be transformed on the contiguous channel so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610115117XA CN101132490A (en) | 2006-08-19 | 2006-08-19 | Television receiver for automatically switching channel according to intensity of received signal and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610115117XA CN101132490A (en) | 2006-08-19 | 2006-08-19 | Television receiver for automatically switching channel according to intensity of received signal and method thereof |
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| CN101132490A true CN101132490A (en) | 2008-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200610115117XA Pending CN101132490A (en) | 2006-08-19 | 2006-08-19 | Television receiver for automatically switching channel according to intensity of received signal and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707958A (en) * | 2017-10-25 | 2018-02-16 | 深圳慧源创新科技有限公司 | The method and device that picture channel automatically selects |
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2006
- 2006-08-19 CN CNA200610115117XA patent/CN101132490A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707958A (en) * | 2017-10-25 | 2018-02-16 | 深圳慧源创新科技有限公司 | The method and device that picture channel automatically selects |
| CN107707958B (en) * | 2017-10-25 | 2019-11-12 | 深圳慧源创新科技有限公司 | The method and device that picture channel automatically selects |
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