CN101150695A - A device and method for automatically monitoring outside top input interface of TV set - Google Patents
A device and method for automatically monitoring outside top input interface of TV set Download PDFInfo
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Abstract
The invention provides an external input interface devcice on an automatic monitoring TV, through a plurality of external input interfaces on the automatic monitoring TV, mutual switch between an external input mode and a TV module, each external input interface of the external input mode is realized through a TV remote controller, wherein, comprising: an external input interface detecting device which is used for detecting effective signals whether or not are input through each external input interface; an external input interface prompting device corresponding to the external input interface detecting device, which is used for displaying external input interfaces with effective signals through a screen menu, moreover, the invention also provides an automatic monitoring method, comprising: step 1, detecting effective signals whether or not are input through each external input interface on the TV; step 2, displaying external input interfaces with effective signals through a screen menu adjusting mode on the TV. The invention improves traditional switching mode, improves switching efficiency.
Description
Technical field
The present invention relates to the intelligent field of television set, particularly relevant for a kind of apparatus and method of automatically monitoring outside top input interface of TV set.
Background technology
Along with the development of TV tech and the panelized of Display Technique, the external interface of television set is also more and more, increased digital interface than in the past, yet present panel TV is when switching program source, response time is obviously than CRT (Cathode Ray Tube, cathode ray tube) length of TV, so user is when input source is switched in operation, and the time of cost can be very long.The present invention is by detecting the effective status of outer input interface, determines the number of times that switches only effectively switching in the middle of the external interface according to effective state, thus the time of the wait of minimizing.This invention is the inspiration that obtains after market survey: the panel TV set of Chu Shouing is based on function and consideration easily in the market, all have the video input interface more than 6, when selecting the input video source, select one by one, yet in fact, most of users seldom all connect outer input interface, even all connect, also seldom allow all interfaces that the vision signal input is arranged simultaneously, also having the user is not the access situation of all knowing very much interface constantly, when selecting to watch the external video program, to get rid of one by one, till signal being arranged on TV, concerning panel TV set, this process can take a long time, and is also unfriendly concerning the user.Between this situation, allow television set oneself go to judge that the outside has or not video to import this process, user only simple operations just can finish selection to outer input interface.OSD (on-screen display, screen menu type regulative mode); Also can adopt TV remote controller to select fast to switch.
Summary of the invention
For addressing the above problem, the objective of the invention is to propose a kind of apparatus and method of automatically monitoring outside top input interface of TV set, can detect the outer input interface of outside useful signal input automatically.Show by on-screen menu, after selecting for the user, switch; Can also directly realize switching by the TV remote controller shortcut in addition, this situation, OSD only shows selected effective input interface, OSD is used for prompting.
For achieving the above object, the present invention proposes a kind of device of automatically monitoring outside top input interface of TV set, monitor a plurality of outer input interfaces that are arranged on the television set by TV remote controller, realize between outside input modes and the television mode, the perhaps mutual switching between each outer input interface in the outside input modes, wherein, comprising:
One outer input interface checkout gear is used to detect each outer input interface and whether has the useful signal input;
One outer input interface suggestion device is connected with described outer input interface checkout gear, is used for by the screen menu type regulative mode, shows the outer input interface that has described useful signal input.
The device of above-mentioned automatically monitoring outside top input interface of TV set wherein, also comprises:
One selects switching device shifter, is used for selecting between the outer input interface that has the useful signal input, and selected external input signal and in progress television signal switched.
The device of above-mentioned automatically monitoring outside top input interface of TV set wherein, also comprises:
One powered-down suggestion device, be used for when described television set is in television mode, when perhaps entering tv state by outside input modes, when perhaps described television set is received shutdown command, control described outer input interface suggestion device, show the outer input interface that has the useful signal input automatically.
The device of above-mentioned automatically monitoring outside top input interface of TV set, wherein, described TV remote controller also comprises:
One switch key is used to control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
The device of above-mentioned automatically monitoring outside top input interface of TV set, wherein, described TV remote controller also comprises:
One selects switch key, be used to control described outer input interface suggestion device and select switching device shifter, on on-screen menu, show the outer input interface that has the useful signal input one by one, and control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
The device of above-mentioned automatically monitoring outside top input interface of TV set, wherein, TV remote controller is provided with:
One options button is used to control described outer input interface suggestion device, shows the outer input interface that has the useful signal input on on-screen menu one by one; With
One switch key is used to control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
The device of above-mentioned automatically monitoring outside top input interface of TV set, wherein, described outer input interface checkout gear specifically comprises:
Signal input unit is used for importing outside useful signal by outer input interface;
Switch control unit, be connected with described signal input unit, be used for state according to outer input interface, the output of control level signal, when described interface does not have holding wire to connect, output low level/high level, when described interface has the holding wire of connection but does not have the useful signal input, output high level/low level when there is the useful signal input in described interface, is imported reverse output unit with described external input signal;
Oppositely output unit is connected with switch control unit with described signal input unit, comprises amplifying circuit and reverser, is used for external input signal being amplified and being sent to output, produces the level output signal of high-low level swing;
The output detecting unit is connected with reverse output unit with described switch control unit, is used for the level signal according to output, judges the state of described outer input interface, and record.
For achieving the above object, the invention allows for a kind of method of automatically monitoring outside top input interface of TV set, monitor a plurality of outer input interfaces that are arranged on the television set by TV remote controller, realize between outside input modes and the television mode, the perhaps mutual switching between each outer input interface in the outside input modes, wherein, may further comprise the steps:
The method of above-mentioned automatically monitoring outside top input interface of TV set, wherein, described step 1 specifically comprises:
Step 91 detects whether each outer input interface is connected with video line on the described television set, if be connected with video line, enters next step, if do not connect, and record testing result, and the detection that enters next outer input interface;
Step 92 detects the input whether outer input interface that is connected with video line exists useful signal, record testing result, and the detection that enters next outer input interface.
The method of above-mentioned automatically monitoring outside top input interface of TV set, wherein, described step 2 specifically may further comprise the steps:
Step 101 by the screen menu type regulative mode, is listed the title of described all outer input interfaces of television set, shows all outer input interfaces of described television set;
Step 102 to the described outer input interface that has the useful signal input, is carried out mark.
The method of above-mentioned automatically monitoring outside top input interface of TV set wherein, when only switch key being set on the described TV remote controller, also comprises after the described step 2:
Press described switch key, control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
The method of above-mentioned automatically monitoring outside top input interface of TV set, wherein, when described TV remote controller was provided with options button and switch key, described step 2 specifically may further comprise the steps:
Press described options button at every turn, on on-screen menu, show a step that has the outer input interface of useful signal input; Perhaps
When a selection switch key only was set on the described TV remote controller, described step 2 specifically may further comprise the steps:
Press described selection switch key at every turn, on on-screen menu, show a step that has the outer input interface of useful signal input.
The method of above-mentioned automatically monitoring outside top input interface of TV set wherein, when described TV remote controller is provided with options button and switch key, also comprises:
Press described switch key, control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually; Perhaps
When a selection switch key only was set on the described TV remote controller, described step 2 specifically may further comprise the steps:
Press described selection switch key continuously, control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
The method of above-mentioned automatically monitoring outside top input interface of TV set wherein, when described television set is in television mode, when perhaps entering tv state by outside input modes, when perhaps described television set is received shutdown command, also comprises:
Control described outer input interface suggestion device,, show the step of the outer input interface that has the useful signal input automatically by the screen menu type regulative mode.
The present invention adopts testing circuit, detect the state of each outer input interface, the outer input interface that outside useful signal input will be arranged, be shown to the user by on-screen menu, make selecting that the user can be convenient, simultaneously, when television mode and shutdown, all right automatically prompting user, the external input device of powered-down (external input signal source) not as yet, the present invention saved greatly between the outer input interface and and television mode between switch the time of being wasted, improved switching efficiency.
Description of drawings
Fig. 1 is the testing circuit schematic diagram of CVBS of the present invention and component;
Fig. 2 is the testing circuit schematic diagram of S_VEDIO of the present invention;
Fig. 3 is the decision flow chart of outer input interface state of the present invention;
Fig. 4 is first kind of schematic diagram that shows the outer input interface testing result of the present invention;
Fig. 5 is second kind of schematic diagram that shows the outer input interface testing result of the present invention.
Embodiment
It is as follows to describe the present invention in detail below in conjunction with specific embodiment.
The present invention includes outer input interface checkout gear and outer input interface suggestion device.The outer input interface checkout gear comprises the testing circuit of various detection outer input interfaces, whether be connected in order to detect outer input interface one by one with video line, whether the outer input interface that is connected with video line has effective signal input, and the result after the record detection.This outer input interface checkout gear specifically comprises: signal input unit, switch control unit, reverse output unit and output detecting unit.Signal input unit is connected respectively with reverse output unit with switch control unit, switch control unit is respectively and reverse output unit again, the output detecting unit already connects, oppositely output unit also is connected with the output detecting unit, signal input unit is used to connect signal input line, import outside useful signal to the outer input interface checkout gear, switch control unit is according to the State Control output of signal input unit, when outer input interface does not connect holding wire, switch control unit is in short circuit/off state, send low level/high level signal to the output detecting unit, when the outer input interface checkout gear has the connection holding wire, but when not having the external input signal input, switch control unit is in and opens circuit/short-circuit condition, send high level/low level signal to the output detecting unit, when outer input interface has outside useful signal to import, signal transmits into reverse output unit, oppositely output unit comprises amplifying circuit and reverse pio chip, can make the output detecting unit receive the signal of high-low level swing.In addition, switch control unit can be provided with different switches according to different input signals, to realize above-mentioned functions.And the output detecting unit is specifically judged the state of outer input interface and record according to the signal of output.The description of physical circuit is by following specific descriptions.
Fig. 1 is the testing circuit schematic diagram of CVBS of the present invention and COMPONENT.Fig. 2 is the testing circuit schematic diagram of S_VEDIO of the present invention.As shown in the figure, Fig. 1, Fig. 2 testing circuit can detect the three state of input port CN1, CN2: (1) does not insert the state of RCA cable; (2) insert good RCA cable, but do not have the state of signal input; (3) state that has intact vision signal to import.Following simple declaration:
In Fig. 1, CN1 is the RCA socket of belt switch, and the 7th Pin is switch, and the 6th Pin video inserts the input of (CVBS or Y) signal; (1) when not having RCA to insert, 6, the 7Pin short circuit, and by R1 (75 Europe) to ground, so CVBS_TEST|Y_TEST is a low level; (2) insert as RCA, but when not having the signal input, this moment 6,7Pin disconnect, and do not have signal to pass through C2, and the A1 pin of IC1 by R6 to ground, Y1 is output as high level, promptly CVBS_TEST|Y_TEST is a high level; (3) when 6Pin has the vision signal input, this moment 6,7Pin disconnects, vision signal enters by amplifying circuits such as Q1 by C1, allow the synchronous head of video amplify, and allow the saturated output of vision signal (regulate R2, R3, R4, the resistance of R5, but VCC value herein also value is bigger than the VCC of IC1), make the signal peak peak value of Q1 output reach the certain limit value, signal arrives the A1 pin of IC1 by the stopping direct current of C2, oppositely export at Y1 by IC1, synchronizing signal is low level output, and vision signal is high level output, and promptly CVBS_TEST|Y_TEST has the high-low level swing.Detect the level state of CVBS_TEST|Y_TEST at last by CPU, mention three kinds of states of outer input interface above judging.
In Fig. 2, the 3Pin of S_VEDIO terminal socket CN2: when not having the S_VEDIO connecting line to insert, disconnect with ground; When the S_VEDIO connecting line inserts, by the outer shroud metal and the ground short circuit of connector.Increase negater circuit (being made of R1, Q1, R8) at this pin, remaining forming circuit is identical with figure one, so circuit description is simply narrated with top consistent basically.
In addition, detect VGA (Video Graphics Array, show the drawing array), DVI ((DigitalVisual Interface, digital visual interface), HDMI (High-definition Multimedia Interface, HDMI (High Definition Multimedia Interface)), the state of USB interfaces such as (Universal Serial Bus, USB (universal serial bus)) is simpler, in this omission.
Fig. 3 is the decision flow chart of outer input interface state of the present invention.Specifically may further comprise the steps:
Step S301, CPU judge I/O (S_VEDIO_TEST, CVBS_TEST|Y_TEST) input;
Step S302 judges whether perseverance is low level to I/O, if perseverance is a low level, then outer input interface does not connect video line, if not, then enters next step;
Step S303 judges that I/O is whether permanent and is high level that if perseverance be high level, then outer input interface has connection, but does not have the vision signal input, as if impermanent be high level, then outer input interface has the connection video line, and has vision signal input.
The outer input interface suggestion device is connected with the outer input interface checkout gear, the title of the outer input interface of useful signal input will be had, highlight on on-screen menu by OSD, the input source of pointing out each button to select, such as: TV, AV1, AV2, S-VEDIO, COMPONENT1, COMPONENT2, RGB, DVI/HDMI etc. one of them, the prompting user can select in the above-mentioned outer input interface that has a useful signal input.Wherein the method for Xian Shiing can comprise following two kinds:
Fig. 4 is first kind of schematic diagram that shows the outer input interface testing result of the present invention.As shown in the figure, specifically may further comprise the steps:
Step S401, CPU have judged three kinds of states of outer input interface (comprising VGA, DVI, HDMI and USB interface);
Step S402, the state that shows each outer input interface by OSD, for the outer input interface that does not have video line the to connect title of display interface only, the user can not select this interface as input, for there being video line to connect, but the interface that does not have the input of effective video signal, display interface title then, and increase icon, this interface also optional its as input, for existing connection video line, the outer input interface that effective signal input is arranged again, outer input interface suggestion device increase icon by OSD display interface title, and allowing this icon constantly glimmer, the user can select this interface fast as input.
Certainly, mark to each Interface status, and not only be confined to above-mentioned method, exist the outer input interface of useful signal input just can realize the purpose that the present invention points out as long as can obviously give prominence to, in addition, the user also can check the state of external equipment according to the state of each interface, carries out corresponding debugging and operation.
Fig. 5 is second kind of schematic diagram that shows the outer input interface testing result of the present invention.As shown in the figure, can shortcut be set on TV remote controller, may further comprise the steps:
Step S501, CPU judge three kinds of states of outer input interface;
Step S502 presses shortcut (INPUT), only shows the title that video line connects and have the outer input interface of useful signal input by OSD on screen.The user presses shortcut one time, effectively input selection of screen display.
In addition, the present invention also comprises the selection switching device shifter, and this device is used for the external input signal with selected outer input interface reception, switches mutually with other external input signals or with tv state.
When using first kind of OSD mode to show testing result, on TV remote controller, switch key can only be set, selected interface in the middle of the outer input interface that the flicker mark is arranged of user in on-screen menu as input, press switch key, then the external input signal of the interface that will select is play, replace other external input signal, perhaps switch to outside input modes, play this selected signal from television mode.
When using second kind of OSD mode to show testing result, on TV remote controller, be provided with one and select switch key, when the user once only presses this selection switch key, what select the realization of switching device shifter acquiescence is the function of above-mentioned options button, when user's one-time continuous was pressed selection switch key (selecting switch key such as double-clicking), what the selection switching device shifter was defaulted as realization was the function of above-mentioned switch key.
The present invention also comprises a powered-down suggestion device, when television set is in following three kinds of state following times, (1) television set is under the TV pattern and works, (2) forward work under the TV state to from the outside input modes state, (3) television set is received Power off order, if when also having outside useful signal input, the powered-down suggestion device can start the outer input interface suggestion device, show the outer input interface that also has the useful signal input by OSD, the prompting user turns off the power supply in external source.This prompting is to present STB (present disc player when video disc has been put, can shut down automatically, and STB (Set Top Box, set-top box) shutdown function not automatically) of great use.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (14)
1. the device of an automatically monitoring outside top input interface of TV set, monitor a plurality of outer input interfaces that are arranged on the television set by TV remote controller, realize between outside input modes and the television mode, the perhaps mutual switching between each outer input interface in the outside input modes, it is characterized in that, comprising:
One outer input interface checkout gear is used to detect each outer input interface and whether has the useful signal input;
One outer input interface suggestion device is connected with described outer input interface checkout gear, is used for by the screen menu type regulative mode, shows the outer input interface that has described useful signal input.
2. the device of automatically monitoring outside top input interface of TV set according to claim 1 is characterized in that, also comprises:
One selects switching device shifter, is used for selecting between the outer input interface that has the useful signal input, and selected external input signal and in progress television signal switched.
3. the device of automatically monitoring outside top input interface of TV set according to claim 1 and 2 is characterized in that, also comprises:
One powered-down suggestion device, be used for when described television set is in television mode, when perhaps entering tv state by outside input modes, when perhaps described television set is received shutdown command, control described outer input interface suggestion device, show the outer input interface that has the useful signal input automatically.
4. the device of automatically monitoring outside top input interface of TV set according to claim 2 is characterized in that, described TV remote controller also comprises:
One switch key is used to control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
5. the device of automatically monitoring outside top input interface of TV set according to claim 1 and 2 is characterized in that, described TV remote controller also comprises:
One selects switch key, be used to control described outer input interface suggestion device and select switching device shifter, on on-screen menu, show the outer input interface that has the useful signal input one by one, and control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
6. the device of automatically monitoring outside top input interface of TV set according to claim 1 and 2 is characterized in that, TV remote controller is provided with:
One options button is used to control described outer input interface suggestion device, shows the outer input interface that has the useful signal input on on-screen menu one by one; With
One switch key is used to control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
7. the device of automatically monitoring outside top input interface of TV set according to claim 1 is characterized in that, described outer input interface checkout gear specifically comprises:
Signal input unit is used for importing outside useful signal by outer input interface;
Switch control unit, be connected with described signal input unit, be used for state according to outer input interface, the output of control level signal, when described interface does not have holding wire to connect, output low level/high level, when described interface has the holding wire of connection but does not have the useful signal input, output high level/low level when there is the useful signal input in described interface, is imported reverse output unit with described external input signal;
Oppositely output unit is connected with switch control unit with described signal input unit, comprises amplifying circuit and reverser, is used for external input signal being amplified and being sent to output, produces the level output signal of high-low level swing;
The output detecting unit is connected with reverse output unit with described switch control unit, is used for the level signal according to output, judges the state of described outer input interface, and record.
8. the method for an automatically monitoring outside top input interface of TV set, monitor a plurality of outer input interfaces that are arranged on the television set by TV remote controller, realize between outside input modes and the television mode, the perhaps mutual switching between each outer input interface in the outside input modes, it is characterized in that, may further comprise the steps:
Step 1 detects whether each outer input interface exists the useful signal input on the television set;
Step 2 by the screen menu type regulative mode, shows the outer input interface that has described useful signal input on described television set.
9. the method for automatically monitoring outside top input interface of TV set according to claim 8 is characterized in that, described step 1 specifically comprises:
Step 91 detects whether each outer input interface is connected with video line on the described television set, if be connected with video line, enters next step, if do not connect, and record testing result, and the detection that enters next outer input interface;
Step 92 detects the input whether outer input interface that is connected with video line exists useful signal, record testing result, and the detection that enters next outer input interface.
10. the method for automatically monitoring outside top input interface of TV set according to claim 7 is characterized in that, described step 2 specifically may further comprise the steps:
Step 101 by the screen menu type regulative mode, is listed the title of described all outer input interfaces of television set, shows all outer input interfaces of described television set;
Step 102 to the described outer input interface that has the useful signal input, is carried out mark.
11. the method for automatically monitoring outside top input interface of TV set according to claim 10 is characterized in that, when only switch key being set on the described TV remote controller, also comprises after the described step 2:
Press described switch key, control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
12. the method for automatically monitoring outside top input interface of TV set according to claim 8 is characterized in that, when described TV remote controller was provided with options button and switch key, described step 2 specifically may further comprise the steps:
Press described options button at every turn, on on-screen menu, show a step that has the outer input interface of useful signal input; Perhaps
When a selection switch key only was set on the described TV remote controller, described step 2 specifically may further comprise the steps:
Press described selection switch key at every turn, on on-screen menu, show a step that has the outer input interface of useful signal input.
13. the method for automatically monitoring outside top input interface of TV set according to claim 12 is characterized in that, when described TV remote controller is provided with options button and switch key, also comprises:
Press described switch key, control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually; Perhaps
When a selection switch key only was set on the described TV remote controller, described step 2 specifically may further comprise the steps:
Press described selection switch key continuously, control described selection switching device shifter, with between selected external input signal and other external input signals under the outside input modes or and television mode between the step switched mutually.
14. the method for automatically monitoring outside top input interface of TV set according to claim 8, it is characterized in that, when described television set is in television mode, when perhaps entering tv state by outside input modes, when perhaps described television set is received shutdown command, also comprise:
Control described outer input interface suggestion device,, show the step of the outer input interface that has the useful signal input automatically by the screen menu type regulative mode.
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