CN101365085A - Method for television signal source detection and television set - Google Patents
Method for television signal source detection and television set Download PDFInfo
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- CN101365085A CN101365085A CNA200710075624XA CN200710075624A CN101365085A CN 101365085 A CN101365085 A CN 101365085A CN A200710075624X A CNA200710075624X A CN A200710075624XA CN 200710075624 A CN200710075624 A CN 200710075624A CN 101365085 A CN101365085 A CN 101365085A
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Abstract
The invention provides a method for detecting TV information sources, which includes the following steps: first, detecting whether externally-connected auxiliary equipment connected with a TV signal input port is in operation; second, judging whether the externally-connected equipment outputs signals according to the result of detection, so as to judge whether signals are input into the signal input port connected with the auxiliary equipment. The technical scheme provides clear instructions for TV users to understand the conditions of information source input in the presence of multiple signal sources, thus meeting the requirements of the users and bringing good using effect and experience.
Description
Technical field
The invention belongs to TV technology., relate in particular to the technology that television set input information source detects.
Background technology
Development along with TV tech, existing television set is except can received television signal and play the TV programme, can also receive other various signals, and be equipped with the plurality of information resources input interface for this reason, for example a plurality of AV (video) input interface, the composite video input port, USB (Universal Serial Bus, USB) input interface, HDMI (High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)) signal input port, DVI (Digital Visual Interface, digital video interface) signal input port, rgb signal input port etc.
See also Fig. 1, in the prior art, for the situation that a plurality of information source inputs are arranged, have special information source to select interface for users to carry out information source selection and switching usually in the operation interface of TV, information source is selected the interface as shown in Figure 1.After the user sent the order that information source shows, the television set OSD module received the control command calling information source of television set control unit MCU and selects the interface, and was superimposed upon on the current vision signal and is presented on the video screen.In this interface, include a plurality of information source choice boxs, a plurality of information source input interfaces that can insert with corresponding television set.Simultaneously, the OSD module background colour that superposes in the information source choice box carries out the situation that information source is selected with input of sign current information source or user.Be generally two kinds of colors in the prior art: a kind of is to choose background colour 11 (as lavender), and a kind of is background colour 13 to be selected (as white etc.).
Concrete situation is: when the television set OSD module receives the command calls information source selection interface of control unit MCU, the OSD module is obtained last user simultaneously and is selected definite information source choice box numbering from its memory, and background colour 11 is chosen in stack in the information source choice box in the information source selection interface of correspondence, it is lavender, other the information source choice box background colour 13 to be selected that then superposes, i.e. white.When the television set OSD module received mobile select command from television set control unit MCU, the OSD module then chose current demonstration the background colour in the information source choice box of background colour 11 to be adjusted into background colour 13 to be selected, i.e. white; Simultaneously it is contiguous (top or below, according to the direction decision of mobile select command) background colour in information source choice box is adjusted into and chooses background colour 11, i.e. lavender.If the user has carried out definite operation in any one chooses the information source choice box of background colour, then the reference numeral of this information source choice box of OSD module records and storing gives this feedback information television set control unit MCU to switch the operation of information source accordingly simultaneously.
Come therefrom, the television signal interface becomes more and more abundanter, when providing diversified recreation experience for the user, also brings some problems.In the present design of television set, can't know that in user interface which input port has signal, which does not have signal.When the user need be switched the information source of television set, owing to have only the information source choice box of signal input port correspondence in the existing television information source interface switching, but these information source choice boxs can not provide corresponding signal input port whether the signal input is arranged, and the indication of ocular and clear is provided in the time of can't switching information source for the user.
Summary of the invention
The method and the television set that the object of the present invention is to provide a kind of television information source to detect are intended to solve the problem whether signal input port that detects television set has the signal input.
For achieving the above object, the technical solution used in the present invention is as follows:
The method that a kind of television information source detects, described method comprises the steps:
The external auxiliary equipment that a, detection are connected with the television signal input port whether in running order;
B, judge whether output signal of described external auxiliary equipment, thereby judge whether the signal input port that is connected with described auxiliary device has signal input according to testing result.
Wherein step a specifically comprises:
Whether the current circuit of a1, the described external auxiliary equipment of detection is closed, thereby judges the whether in running order of described external auxiliary equipment.
Wherein step b specifically comprises:
If the described external auxiliary equipment of b1 be in non operating state, then the television signal input port that is connected with described external auxiliary equipment does not have the signal input, if described external auxiliary equipment is in running order, the television signal input port that then described external auxiliary equipment connects has the signal input.
Wherein also comprise after the step b:
Whether c, television set have the signal input to select information source choice box corresponding in the interface to identify to information source according to its signal input port, it is optional to have the information source choice box of the signal input port correspondence of signal input to be designated, and will not have the information source choice box of signal input to be designated not optional.
Described information source choice box in the information source interface is identified is specially information source selcetion.removelistener background colour, it is optional background colour that the information source selcetion.removelistener of the signal input port correspondence of signal input will be arranged, and will not have the information source selcetion.removelistener of the signal input port correspondence of signal input to be not optional background colour.
The present invention also provides a kind of television set, and described television set comprises signal detection module, microcontroller MCU and OSD module, wherein:
Described signal detection module is connected with described MCU, whether the external auxiliary equipment that is used for detecting described television set is in running order, thereby judge whether the television signal input port that is connected with described external auxiliary equipment has the signal input, and testing result is transferred to described MCU;
Described MCU links to each other with described OSD module, is used for the testing result of described signal detection module transmission is transferred to described OSD module.
Described MCU also is used for selecting the interface to show on described television display information source according to the commands for controlling OSD module of the information source demonstration of user's input, described OSD module is used for selecting the information source choice box in the interface to identify according to described testing result to described information source, it is optional to have the information source choice box of the information source input port correspondence of signal input to be designated, will not have the signal input the information source input port correspondence the information source choice box be designated not optional.
Described signal detection module comprises sniffer and input control device, whether the current circuit that described sniffer is used for surveying described external auxiliary equipment has electric current, described input control module links to each other with described sniffer, whether in running order, thereby judge whether the television signal input port that links to each other with described external auxiliary equipment has the signal input according to the result of detection of described sniffer if being used for discerning described external auxiliary equipment.
Described television set is described external auxiliary equipment power supply by power output socket, described sniffer links to each other with described power output socket, and whether be used for surveying the loop that described power output socket and described external auxiliary equipment form has electric current.
Described auxiliary device is a digital TV set-top box, and coupled television signal input port is video AV1; Perhaps, described auxiliary device is the common DVD player, and coupled television signal input port is video AV2; Perhaps, described auxiliary device is the high definition DVD player, and coupled television signal input port is high-definition media interface HDMI.
The present invention overcomes the deficiencies in the prior art, adopt the auxiliary device that detects television set external connection whether in running order, judge that external auxiliary device has no signal output, thereby judge whether the television signal input port that links to each other with external auxiliary equipment has the no signal input, thereby realize each video interface of television set is had the technical scheme of the detection of no signal input, the situation of understanding the information source input for TV user under the situation of multiple source provides clear and definite indication, satisfied user's demand, simultaneously the user brought good result of use and experience.
Description of drawings
Fig. 1 is that the prior art information source is selected the interface schematic diagram;
Fig. 2 is an embodiment of the invention theory diagram;
Fig. 3 is the described signal detection module circuit diagram of the embodiment of the invention;
Fig. 4 is an embodiment of the invention flow chart.
Embodiment
Whether technical scheme provided by the invention is: in running order by the auxiliary device that detects television set external connection, judge that external auxiliary device has no signal output, thereby judge whether the television signal input port that links to each other with external auxiliary equipment has the no signal input, thereby realize each video interface of television set is had the detection of no signal input.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As stated in the Background Art, there is diversified information source in existing television set, the external auxiliary equipment of existing television set is also more and more simultaneously, as DVD player, digital TV set-top box, audio amplifier and power amplification device etc., these external auxiliary equipment often need and the supporting use of television set, for example, if the user wishes to watch Digital Television, then must open the power supply of television set and digital TV set-top box simultaneously, for solving television set and the synchronous problem of external auxiliary equipment power supply, can provide power interface for external auxiliary equipment by television set, the user only need open the power supply of television set, and then television set will be external auxiliary device power supply simultaneously.The technical scheme that following embodiment provided is exactly to be based upon on such basis, that is to say, the TV set multi-group power accessory power outlet in the invention process, these power output sockets are the external auxiliary equipment power supply.
Television system structure involved in the present invention comprises information source interface, remote control receiver module, microcontroller (MCU), signal processing and display module, OSD module, memory module and signal detection module as shown in Figure 2.Wherein, the input that the information source interface is responsible for signal provides interface, and processs and displays at processing of signal feed signals and the display module that following of the control of MCU is chosen; The remote control receiver module receives the signal from remote controller, and relevant order is transmitted a MCU operate accordingly and control; The OSD module generates the OSD menu under the control of MCU, and coherent signal is sent to signal processing and display module carries out overlap-add procedure and demonstration; The MCU module is controlled whole system, receives various information, and sends various operational orders; And the module that increases in the present invention is a signal detection module 10, and it detects the external power pack of television set, and relevant information is sent to MCU handles accordingly and control; Memory module is used for the testing result of store M CU transmission.
The concrete structure of signal detection module 10 comprises sniffer and input control device as shown in Figure 3.Corresponding to interface n1, the n2 of TV set power accessory power outlet ..., n6, sniffer part correspondence also be provided with same number of probe assembly m1, m2 ..., m6, be used for power output socket is carried out gallon.Each probe assembly is connected with the input control device, and the input control device is connected with TV MCU.
Based on the development of present Detection Techniques, have or not the technology of detection very ripe and general to carrying out electric current on the power circuit, so will not be described in detail in the embodiment of the invention with regard to this probe assembly.And, have in the acquiescence probe assembly in the current connection line of sign currentless identification data position is arranged, when having electric current to flow through in the connection line, the identification data position is 1, if there is not electric current to flow through in the connection line, then the identification data position is 0.Simultaneously, the data of this identification data position can be read by the input control section.
Interface n1, n2... have connected the attaching plug of different external connection auxiliary device respectively on the TV set power socket, carry out power supply in order to the auxiliary device to various television set external connections and supply with.In the present embodiment, suppose to have following corresponding relation between each power output socket and the television signal input port: insert the auxiliary device digital TV set-top box of n1 supply socket interface, the signal output port of digital TV set-top box is connected with signal input port AV1 on the television set; The auxiliary device that inserts n2 supply socket interface is the common DVD player, and the signal output port of common DVD player is connected with the signal input port AV2 of television set; The auxiliary device that inserts n3 supply socket interface is IPTV (Internet Protocol TV network protocol television) set-top box, and the signal output port of IPTV set-top box is connected with the S terminal of television set; The auxiliary device that inserts n4 supply socket interface is high definition DVD, and the output port of high definition DVD is connected with the signal input port HDMI of television set ..., the rest may be inferred.During practical application the present invention program, the corresponding relation between each power output socket and the television signal input port might not can be set as mentioned above according to actual needs.
In general, the auxiliary device circuit of television set external connection itself is a current circuit, and carries out the control whether loop switches on by its mains switch.The current circuit of digital TV set-top box is by its mains switch K1 control, and the current circuit of common DVD is controlled by its mains switch K2 ..., the rest may be inferred.
When the mains switch K1 on the digital TV set-top box is in off-state, the current circuit of digital TV set-top box is disconnected, digital TV set-top box is in closed condition, therefore there is not electric current to flow through the current circuit of digital TV set-top box, just there is not electric current to flow through the power circuit at n1 place yet, at this moment, gallon assembly m1 detects does not have electric current to flow through, and is its identification data position 0.Accordingly, this moment digital TV set-top box to television set will without any signal output, that is to say that television signal input port AV1 imports without any signal.
When the mains switch K1 on the digital TV set-top box is in closure state, the current circuit of digital TV set-top box is connected, there is electric current to flow through the current circuit of digital TV set-top box, so also just there is electric current to flow through the power circuit at n1 place, at this moment, gallon assembly m1 has detected electric current and has flow through, and is its identification data position 1.Accordingly, digital TV set-top box will have signal output to television set this moment, that is to say, television set composite video 1 information source has the vision signal input.
The input control section reads the data of the identification data position of all probe assemblies with certain loop cycle, and these data are sent to MCU, and MCU receives after the testing result of input control module transmission, and testing result is stored in the memory.Also can when customer requirements switches information source, detect in real time, then testing result is transferred to MCU.
When the user need be switched information source, to want to play video disc by common DVD as the user from interrupting in progress digital television program, need switch to information source AV2 this moment from current information source AV1.The user at first closes the mains switch K1 of digital TV set-top box, the mains switch K2 of closed then common DVD player, press " information source " button on the TV remote controller then, television set receives the control signal that remote controller sends, TV MCU has the testing result of no signal according to each signal input port of storing in the memory, control OSD module selects information source choice box corresponding in the interface to be provided with to information source, whether sign has the signal input according to the signal input port of information source choice box correspondence, the information source choice box is designated different background colours, as there is the background colour of the information source choice box of signal input to be set to optional background colour, as white, the information source selcetion.removelistener of signal input port correspondence that will not have signal input is for not optional background colour, as grey.
This moment is owing to the mains switch of digital TV set-top box is closed, probe assembly m1 does not detect electric current, the value of its sign position is 0, the background colour of TV MCU control OSD module information source choice box AV1 is set to grey (other information source choice box also is set to grey), in like manner, the background colour of TV MCU control OSD module information source choice box AV2 is set to white.When information source selected the interface to show on video screen, the user can directly judge the information source choice box of target information source correspondence by the background colour of information source choice box, and do not need to remember that input port external be which kind of equipment.As mentioned above, AV2 information source choice box background colour is a white (optional background colour) in the information source selection interface, and then the user can judge directly that the signal input port that DVD player connects is AV2, thereby finishes switching fast.
Except whether the above-mentioned signal input port that identifies each information source choice box correspondence with background colour has the signal input, can also adopt other identification method, as directly at the literal of information source choice box periphery annex " optional " or " not optional ", perhaps, eject a language or voice suggestion: " optional " or " not optional " when closing mark when pointing to some information source choice boxs.
The flow chart of the embodiment of the invention comprises the steps: as shown in Figure 4
1, the user triggers " information source " button on the remote controller, sends the information source switching command;
2, after TV MCU receives remote control command, detect electric power thus supplied for the power output socket of each external auxiliary equipment power supply of television set, judge whether the signal input port that is connected with each external auxiliary equipment has the signal input, and store judged result into television memory;
3, to select to have in the interface information source choice box of the signal input port correspondence of signal input to be designated information source according to the testing result of storing in memory control OSD module optional for television set, will not have the information source choice box of the port correspondence of signal input to be designated not optional;
4, show information source selection interface on the television display screen curtain, the user switches to target information source according to the optional of information source choice box or not optional sign.
In the foregoing description, the auxiliary device of television set external connection is to have the power output socket of television set to power, probe assembly is surveyed be the TV set power accessory power outlet with the loop of external auxiliary equipment formation in whether electric current is arranged, thereby judge whether external auxiliary equipment in running order.When specifically using the solution of the present invention, the auxiliary device of television set external connection also can be can't help TV power accessory power outlet power supply, whether the current circuit that probe assembly is surveyed external auxiliary equipment by induction or other modes is closed, thereby judges whether it has signal output.
The above only is preferred 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, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method that television information source detects is characterized in that described method comprises the steps:
The external auxiliary equipment that a, detection are connected with the television signal input port whether in running order;
B, judge whether output signal of described external auxiliary equipment, thereby judge whether the signal input port that is connected with described auxiliary device has signal input according to testing result.
2. method according to claim 1 is characterized in that, wherein step a specifically comprises:
Whether the current circuit of a1, the described external auxiliary equipment of detection is closed, thereby judges the whether in running order of described external auxiliary equipment.
3. method according to claim 2 is characterized in that, wherein step b specifically comprises:
If the described external auxiliary equipment of b1 be in non operating state, then the television signal input port that is connected with described external auxiliary equipment does not have the signal input, if described external auxiliary equipment is in running order, the television signal input port that then described external auxiliary equipment connects has the signal input.
4. method according to claim 1 is characterized in that, wherein also comprises after the step b:
Whether c, television set have the signal input to select information source choice box corresponding in the interface to identify to information source according to its signal input port, it is optional to have the information source choice box of the signal input port correspondence of signal input to be designated, and will not have the information source choice box of signal input to be designated not optional.
5. method according to claim 1, it is characterized in that, described information source choice box in the information source interface is identified is specially information source selcetion.removelistener background colour, it is optional background colour that the information source selcetion.removelistener of the signal input port correspondence of signal input will be arranged, and will not have the information source selcetion.removelistener of the signal input port correspondence of signal input to be not optional background colour.
6. a television set is characterized in that, described television set comprises signal detection module, microcontroller MCU and OSD module, wherein:
Described signal detection module is connected with described MCU, whether the external auxiliary equipment that is used for detecting described television set is in running order, thereby judge whether the television signal input port that is connected with described external auxiliary equipment has the signal input, and testing result is transferred to described MCU;
Described MCU links to each other with described OSD module, is used for the testing result of described signal detection module transmission is transferred to described OSD module.
7. television set according to claim 6, it is characterized in that, described MCU also is used for selecting the interface to show on described television display information source according to the commands for controlling OSD module of the information source demonstration of user's input, described OSD module is used for selecting the information source choice box in the interface to identify according to described testing result to described information source, it is optional to have the information source choice box of the information source input port correspondence of signal input to be designated, will not have the signal input the information source input port correspondence the information source choice box be designated not optional.
8. television set according to claim 6, it is characterized in that, described signal detection module comprises sniffer and input control device, whether the current circuit that described sniffer is used for surveying described external auxiliary equipment has electric current, described input control module links to each other with described sniffer, whether in running order, thereby judge whether the television signal input port that links to each other with described external auxiliary equipment has the signal input according to the result of detection of described sniffer if being used for discerning described external auxiliary equipment.
9. television set according to claim 8, it is characterized in that, described television set is described external auxiliary equipment power supply by power output socket, described sniffer links to each other with described power output socket, and whether be used for surveying the loop that described power output socket and described external auxiliary equipment form has electric current.
10. television set according to claim 6 is characterized in that, described auxiliary device is a digital TV set-top box, and coupled television signal input port is video AV1; Perhaps, described auxiliary device is the common DVD player, and coupled television signal input port is video AV2; Perhaps, described auxiliary device is the high definition DVD player, and coupled television signal input port is high-definition media interface HDMI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710075624XA CN101365085A (en) | 2007-08-06 | 2007-08-06 | Method for television signal source detection and television set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710075624XA CN101365085A (en) | 2007-08-06 | 2007-08-06 | Method for television signal source detection and television set |
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| CN101365085A true CN101365085A (en) | 2009-02-11 |
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| CNA200710075624XA Pending CN101365085A (en) | 2007-08-06 | 2007-08-06 | Method for television signal source detection and television set |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977287A (en) * | 2010-08-25 | 2011-02-16 | 冠捷显示科技（厦门）有限公司 | Method for prompting signal state of television signal source menu |
| CN103139519A (en) * | 2013-02-01 | 2013-06-05 | 深圳万兴信息科技股份有限公司 | Method and device for selection of input signals |
| CN103297802A (en) * | 2013-05-14 | 2013-09-11 | 杨玉峰 | VGA (video graphic array) signal generator and distributor combination with EDID (extended display identification data) detection function |
| CN102055943B (en) * | 2009-10-28 | 2013-10-23 | 纬创资通股份有限公司 | Detection method, detection device and multimedia device |
| CN104053031A (en) * | 2013-03-13 | 2014-09-17 | 海尔集团公司 | Display device control method, multimedia player, display device and control system |
| CN105187757A (en) * | 2015-08-31 | 2015-12-23 | 青岛海尔智能家电科技有限公司 | Method and device for displaying device terminal state |
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2007
- 2007-08-06 CN CNA200710075624XA patent/CN101365085A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055943B (en) * | 2009-10-28 | 2013-10-23 | 纬创资通股份有限公司 | Detection method, detection device and multimedia device |
| CN101977287A (en) * | 2010-08-25 | 2011-02-16 | 冠捷显示科技（厦门）有限公司 | Method for prompting signal state of television signal source menu |
| CN101977287B (en) * | 2010-08-25 | 2012-07-25 | 冠捷显示科技（厦门）有限公司 | Method for prompting signal state of television signal source menu |
| CN103139519A (en) * | 2013-02-01 | 2013-06-05 | 深圳万兴信息科技股份有限公司 | Method and device for selection of input signals |
| CN103139519B (en) * | 2013-02-01 | 2016-03-30 | 深圳万兴信息科技股份有限公司 | A kind of method that input signal is selected and device |
| CN104053031A (en) * | 2013-03-13 | 2014-09-17 | 海尔集团公司 | Display device control method, multimedia player, display device and control system |
| CN103297802A (en) * | 2013-05-14 | 2013-09-11 | 杨玉峰 | VGA (video graphic array) signal generator and distributor combination with EDID (extended display identification data) detection function |
| CN105187757A (en) * | 2015-08-31 | 2015-12-23 | 青岛海尔智能家电科技有限公司 | Method and device for displaying device terminal state |
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