CN1851798A - Display device starting-up control method and device - Google Patents
Display device starting-up control method and device Download PDFInfo
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- CN1851798A CN1851798A CN 200510066330 CN200510066330A CN1851798A CN 1851798 A CN1851798 A CN 1851798A CN 200510066330 CN200510066330 CN 200510066330 CN 200510066330 A CN200510066330 A CN 200510066330A CN 1851798 A CN1851798 A CN 1851798A
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Abstract
The present invented method includes A, in standby state, display equipment detecting whether signal source interface accessing usable signal source; B, after detecting signal source interface accessing usable signal source, display equipment starting up and entering starting up state. The present invention also discloses display equipment starting up controller. The present invention realizes display equipment starting up autocontrol, raises display equipment intellectualization level, and saving energy source.
Description
Technical field
The present invention relates to the display device technical field, relate in particular to a kind of display device starting-up control method and display device starting-up control device.
Background technology
Display device is used to show various information, is widely used in aspects such as office, teaching, amusement, commercial exhibition.Existing display device comprises cathode ray tube (CRT) display, LCD (LCD), light emitting diode (LED) display, plasma scope (PDP), projector etc.
Can carry out the video signal displayed kind for display device at present increases day by day, therefore a part of display device especially large-screen display equipment such as projector all have more than one signal source interface usually, can receive different types of vision signal from multiple signal source equipment and show.With the projector is example, has the signal source interface of following kind usually: Video Graphics Array (VGA) interface, digital vision (DVI) interface, S-terminal (S-Video) interface, composite video signal (Composite Video) interface, component video signal (Component Video) interface etc.Can be by these interfaces from multiple different signal source equipment, for example: the different types of vision signals of reception such as computing machine, DVD player, video recorder show, vision signal can comprise VGA signal, DVI signal, S-Video signal, composite video signal, component video signal etc., the signal source interface that wherein has can receive the vision signal of more than one types again, and for example the VGA interface both can receive the VGA signal and also can receive component video signal.
For the display device of having of a standard of above-mentioned signal source interface, its system forms as shown in Figure 1, and whole display device is by electronic system 101, power supply 102, and optical system 103 and instruction input system 104 are formed.Wherein, power supply 102 is responsible for to each parts power supply; Various types of signal sources are linked into video processing module 106 by the signal source interface module 105 in the electronic system 101, driver module 107 is handled the back to signal source and is produced modulation intelligence control optical system 103 generation images according to the control of kernel control module 108; Instruction input system 104 sends to kernel control module 108 with user's operational order; Total system is controlled and is coordinated the work of each parts by kernel control module 108.
In the prior art, after display device was connected electric main, power supply 102 was in running order, for electronic system 101 provides power supply; Electronic system 101 is carried out initialization, and display device entered holding state after initialization finished.Under the holding state of prior art, have only kernel control module 108 work in the electronic system 101, and be in low-power consumption mode, video processing module 106 and driver module 107 are not worked; In addition, optical system 103 is not worked yet.Even so inserted signal source by signal source interface module 105, display device also can't be handled, whole display device exterior shows as off-mode.
After this, after instruction input system 104 receives the power-on command of user's input, this order is sent to kernel control module 108, after kernel control module 108 received this power-on command, the control display device starting-up promptly started display device.After the startup, all parts of display device are operate as normal all, specifically, be exactly that other parts in electronic system 101 and optical system 103 and the display device all are in normal mode of operation, display device can process and display the signal source that signal source interface module 105 inserts, and this moment, the state of display device was an open state.Wherein other parts in kernel control module 108 control optical systems 103 and the display device are in normal mode of operation, all provide power supply by control power supply 102 for these parts, thereby make these parts be in normal mode of operation.
The power-on command of user that above-mentioned instruction input system 104 is received input, normally the user power button (Power) on display device control panel or the telepilot realizes by pressing.But, power button on pressing the display device control panel and pressing in the method for these two kinds of the power buttons control display device starting-up on the telepilot, owing to must can realize control by manual operation to display device starting-up, can't realize the Auto Power On of display device, reduce the intelligent degree of display device.
Summary of the invention
In view of this, first fundamental purpose of the present invention is to provide a kind of display device starting-up control method, and this method can realize the Auto Power On of display device, improves the intelligent degree of display device.
Second fundamental purpose of the present invention is to provide a kind of display device starting-up control device, and this device can be realized the Auto Power On of display device, improves the intelligent degree of display device.
First aspect for achieving the above object the invention provides a kind of display device starting-up control method, and this method may further comprise the steps:
Under A, the holding state, whether display device has inserted available signal source to the signal source interface is detected;
B, after detecting the signal source interface and having inserted available signal source, display device starts, and enters open state.
Under the holding state, the electronic system of display device can be in normal operating conditions described in the steps A;
Whether the display device described in the steps A has inserted available signal source to the signal source interface is detected and be: whether the video processing module in the described electronic system has inserted available signal source to the signal source interface is detected;
Described step B is: the video processing module in the described electronic system is after detecting the signal source interface and having inserted available signal source, send to kernel control module with detecting the information that the signal source interface inserted the available signal source, after kernel control module received described information, the startup of control display device entered open state.
Preferably, this method further comprises: increase the signal source detection module in advance in display device;
Under the holding state, described signal source detection module is in running order described in the steps A, and the kernel control module in the display device is in the duty of low-power consumption mode;
Whether the display device described in the steps A has inserted available signal source to the signal source interface is detected and be: whether described signal source detection module has inserted available signal source to the signal source interface is detected;
Described step B is: described signal source detection module is after detecting the signal source interface and having inserted available signal source, send to kernel control module with detecting the information that the signal source interface inserted the available signal source, after kernel control module received described information, the startup of control display device entered open state.
Second aspect for achieving the above object, the invention provides a kind of display device starting-up control device, this device comprises: electronic system 101, be used under holding state according to the external command control display device starting-up that receives, and under holding state, whether self signal source interface has been inserted available signal source and detected, after detecting the signal source interface and having inserted available signal source, the control display device starting-up.
Can comprise kernel control module 108, signal source interface module 105 and video processing module 106 in the described electronic system 101; Under the described holding state, kernel control module 108 and video processing module 106 are in running order;
Under described holding state, whether the signal source interface in 106 pairs of signal source interface modules 105 of video processing module has inserted available signal source is detected, and the object information that detection obtains is outputed to kernel control module 108;
The described object information control display device starting-up that kernel control module 108 receives according to self.
Can also comprise kernel control module 108, signal source interface module 105 and signal source detection module 401 in the described electronic system 101; Under the described holding state, kernel control module 108 and signal source detection module 401 are in running order;
Under described holding state, whether the signal source interface in 401 pairs of signal source interface modules 105 of signal source detection module has inserted available signal source is detected, and the object information that detection obtains is outputed to kernel control module 108;
The described object information control display device starting-up that kernel control module 108 receives according to self.
Described signal source detection module 401 can be made up of sensor 601,602.......
Described sensor can be mechanical pick-up device and/or optical sensor.
Described signal source detection module 401 can also be realized by first signal processing circuit 1200;
Described first signal processing circuit 1200 comprises: voltage comparator 1201 and/or video synchronization signal separate integrated circuit 1202,1203,1204.
Can further include in the described signal source detection module: secondary signal treatment circuit 1101,1301 is used for obtaining described object information signal source information available, and described signal source information available is outputed to kernel control module 108.
Preferably, described secondary signal treatment circuit 1101,1301 is realized by microcontroller.
May further include in the described signal source interface module 105: Digital Visual Interface identifies the pin that whether has inserted signal source and directly is connected with kernel control module 108 in the described Digital Visual Interface;
Described kernel control module 108 is further used for detecting identifying the pin that whether has inserted signal source in the Digital Visual Interface, obtain the object information whether this Digital Visual Interface has inserted the available signal source, and according to this object information control display device starting-up.
By above technical scheme as can be seen, in the display device starting-up control method of the present invention, by under holding state, whether the signal source interface having been inserted available signal source detect, and detect inserted available signal source after, start display device and enter open state, realized automatic control, improved the intelligent degree of display device display device starting-up;
In the display device starting-up control method of the present invention, by the video processing module that is provided with under the holding state is duty, directly whether the signal source interface has been inserted available signal source and detected, realized automatic control simply and easily display device starting-up by video processing module;
In the display device starting-up control method of the present invention, by in display device, increasing the detection that the signal source detection module realizes whether the signal source interface has been inserted the available signal source, thereby under the holding state of display device, video processing module needn't be in running order, reduce the power consumption of display device, saved the energy.
In the display device starting-up control device of the present invention, by in display device, increasing the signal source detection module, whether this module has inserted available signal source to the signal source interface is detected, and the notice kernel control module starts display device after detecting the signal source interface to have inserted available signal source, realized automatic control, improved the intelligent degree of display device display device starting-up;
In the display device starting-up control device of the present invention, the availability that realizes signal source by first signal processing circuit detects, needn't sensor be set at the signal source interface of display device, only need change, realize the present invention more easily the circuit setting of inside;
In the display device starting-up control device of the present invention, obtain the information that signal source interface in the testing result has inserted the available signal source by the secondary signal treatment circuit, and this information sent to kernel control module, thereby needn't all divide to be used in for each signal source at kernel control module carries out the pin that availability detects, and has reduced taking the pin of kernel control module;
In the display device starting-up control device of the present invention, as above-mentioned secondary signal treatment circuit, realized processing with cheap microcontroller easily, and reduced cost testing result.
Description of drawings
Fig. 1 is the composition structural drawing of display device among the present invention;
Fig. 2 is the overview flow chart of display device starting-up control method of the present invention;
Fig. 3 is the process flow diagram of display device starting-up control method first embodiment of the present invention;
Fig. 4 forms structural drawing for display device starting-up control device of the present invention;
Fig. 5 is the process flow diagram of display device starting-up control method second embodiment of the present invention;
Fig. 6 is the composition structural drawing of display device starting-up control device first embodiment of the present invention;
Fig. 7 is the composition diagram of an example of display device starting-up control device first embodiment of the present invention;
Fig. 8 is the concrete application synoptic diagram of sensor in the example shown in Figure 7;
Fig. 9 is the composition diagram of display device starting-up control device first another example of embodiment of the present invention;
Figure 10 is the concrete application synoptic diagram of sensor in the example shown in Figure 9;
Figure 11 is the composition structural drawing of display device starting-up control device the 3rd embodiment of the present invention;
Figure 12 is the composition structural drawing of display device starting-up control device the 4th embodiment of the present invention;
Figure 13 is the composition structural drawing of display device starting-up control device the 5th embodiment of the present invention.
Embodiment
For making purpose of the present invention, technical scheme clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
Main thought of the present invention is, by the signal source interface is detected, after detecting the signal source interface and having inserted available signal source, promptly starts display device, realizes the Auto Power On of display device.The overall procedure of display device starting-up control method of the present invention as shown in Figure 2, concrete steps are as follows:
Under step 201, the holding state, whether display device has inserted available signal source to the signal source interface is detected.
Step 202, after detecting the signal source interface and having inserted available signal source, display device starts and enters open state.
Under the above-mentioned holding state, the other display equipment ingredient duty outside the electronic system is the same with prior art.But in electronic system, can be that whole electronic system all is in normal operating conditions, whether the video processing module in the electronic system just can insert available signal source to the signal source interface and detected like this, video processing module detects notifies kernel control module after the signal source interface has inserted available signal source, kernel control module control display device starting-up, promptly start all constituents operate as normal that display device makes display device, display device promptly has been in open state behind the startup display device; Also can be to have only part in running order in the electronic system, be specially and in display device, increase core signal source detection module in advance, this signal source detection module and kernel control module are in running order, and kernel control module is in low-power consumption mode, whether the signal source detection module just can insert available signal source to the signal source interface and detected like this, and after having inserted available signal source, the signal source interface notifies kernel control module detecting, kernel control module starts all constituents operate as normal of display device control display device then, after starting display device, display device promptly has been in open state.Same as the prior art, when kernel control module control display device starts, other parts in control optical system and the display device make it to be in normal mode of operation, all provide power supply by the control power supply for these parts, thereby make these parts be in normal mode of operation.
Further specify the present invention below by specific embodiment.
Among first embodiment of display device starting-up control method of the present invention, when display device is connected electric main, after the electronic system initialization, display device is in holding state, the whole operate as normal of electronic system under this holding state, whether video processing module has inserted available signal source to the signal source interface in the signal source interface module is detected, and after having detected available signal source, notify kernel control module, kernel control module control display device starting-up, promptly control also operate as normal all of the optical system of display device and other parts, after this display device is in open state.
The flow process of present embodiment as shown in Figure 3, concrete steps are as follows:
After step 301, display device are connected electric main, the electronic system initialization, each module after the initialization in the electronic system is operate as normal all, and optical system is not worked, and display device is in holding state.
Whether the video processing module in step 302, the electronic system has inserted available signal source to the signal source interface in the signal source interface module is detected.
In the present embodiment, whether video processing module has inserted start rear video processing module in method that available signal source detects and the prior art to the signal source interface, and to carry out the method for signal source searching identical, no longer elaborates at this.
After step 304, kernel control module receive this information, start display device, promptly control the optical system operate as normal, and also operate as normal all of other parts of control display device, make display device be in open state, finish the start of display device.
Also operate as normal of other parts of the optical system operate as normal of kernel control module control display device and control display device in step 304, specific implementation is same as the prior art, no longer elaborates here.
More than be the explanation to display device starting-up control method first embodiment of the present invention, in this embodiment, the hardware of not changing display device has promptly been realized the Auto Power On of display device.But because display device is being connected behind the electric main under the present holding state, the electronic system of display device all is in normal mode of operation, and the electric weight demand is bigger.For this reason, proposed the second embodiment of the present invention, be described below.
In second embodiment of display device starting-up control method of the present invention, as shown in Figure 4, in display device, increase signal source detection module 401, specifically can in the electronic system of display device, increase signal source detection module 401.Under holding state, whether 401 work of signal source detection module have inserted effective signal source to the signal source port in the signal source port module 105 and have detected; In addition, still have only kernel control module 108 to be in the duty of low-power consumption mode in original module of electronic system, other modules still are in off working state.
The flow process of present embodiment as shown in Figure 5, concrete steps are as follows:
After step 501, display device are connected electric main, the electronic system initialization, after the initialization in the electronic system kernel control module be in low-power consumption mode, the signal source detection module is in running order, other modules and the optical system of electronic system are in off working state, and display device is in holding state.
Step 502, whether the signal source detection module has inserted available signal source to the signal source interface in the signal source interface module detects.
In this step, whether the signal source detection module has inserted specific implementation method detailed description again in the specific embodiment of following display device starting-up control device that available signal source detects to the signal source interface.
After step 504, kernel control module receive the signal source information available, start display device, promptly control display device starting-up, specifically comprise other module operate as normal in the control electronic system, and also operate as normal all of other parts of control optical system and display device, make display device be in open state, finish the start of display device.
More than by specific embodiment display device starting-up control method of the present invention is had been described in detail.Wherein in second embodiment of display device starting-up control method, shown the structural drawing of display device starting-up control device of the present invention by Fig. 4.By specific embodiment display device starting-up control device of the present invention is elaborated again below.
First embodiment of display device starting-up control device of the present invention forms as shown in Figure 6.Wherein, signal source detection module 401 comprises sensor 601,602......, corresponding signal source interface of each sensor wherein, whether pairing signal source interface has been inserted signal source is detected, and the result after will detecting outputs to kernel control module, kernel control module promptly starts display device after the testing result that is input to self according to sensor defines the signal source interface and inserted signal source.
In Fig. 6, VGA interface, DVI interface, S-Video interface, composite video signal interface and five signal source interfaces of component video signal interface have been comprised in the signal source interface module 105, corresponding comprised 601,602,603,604 and 605 5 sensors in the signal source detection module, wherein each sensor is corresponding with a signal source interface.And in fact, the signal source interface of display device may be so not many, have only wherein several, may also have more signal source interface yet, and is corresponding in the implementation procedure of present embodiment, only needs to reduce or increase sensor and getting final product accordingly.
In the present embodiment, need be pin of each sensor assignment, be used for receiving the information that whether has inserted the available signal source corresponding to the signal source interface of this sensor promptly whether the signal source interface has inserted the information of signal source at kernel control module 108.For example, when sensor has signal source to insert to the respective signal source interface after, the output high level, after then kernel control module receives high level by the pin that is connected with this sensor, insert signal source should be arranged according to the high level that wherein sets in advance, the low level correspondence does not have signal source to insert, and can know has signal source to insert, and promptly has the signal source interface to insert available signal source; Otherwise, when sensor to not having signal source to be inserted at the signal source interface, output low level then, the pin of kernel control module by being connected with this sensor knows that corresponding signal source interface does not have signal source to insert.Here, also can in kernel control module, be provided with certain pin the low level correspondence for there being signal source to insert, and the high level correspondence for there not being the signal source insertion.
The sensor can be a mechanical pick-up device, as microswitch; Optical sensor is as infrared sensor; Or other can detect the sensor whether the signal source interface has inserted signal source.Respectively as a specific example, the signal source detection module in the present embodiment is further specified below with microswitch and infrared sensor.
In the circuit structure as shown in Figure 7, the signal source detection module corresponding to the signal source interface in the signal source interface module 105 have 5 microswitches 701,702 ... 705, be used for detecting VGA interface, DVI interface, S-VIDEO interface, composite video signal interface and component video signal interface respectively and whether inserted signal source.Microswitch can be as shown in Figure 8 being provided with of signal source interface, and signal source interface wherein is the VGA interface, and microswitch is realized getting final product being provided with reference to Fig. 8 of other signal source interfaces.
As shown in Figure 8, Fig. 8 a and Fig. 8 b show is at the state that does not have signal source interface and microswitch under the signal source insertion situation.In this state, owing to do not have signal source contact microswitch 801, microswitch 801 output low levels, kernel control module 108 knows that according to the pin current potential that links to each other with this microswitch 801 this VGA interface 802 does not have signal source to insert; In Fig. 8 c and Fig. 8 d, then shown situation about inserting after the signal source, after signal source 803 is inserted, touch microswitch 801, microswitch 801 output high level, kernel control module 108 is a high level according to the pin current potential that links to each other with this microswitch 801, and can know has the signal source interface to insert signal source.
In the circuit structure as shown in Figure 9, signal source detection module 401 has 5 infrared sensors 901,902......905 corresponding to the signal source interface in the signal source interface module 105, is used for detecting VGA interface, DVI interface, S-Video interface, composite video signal interface and component video signal interface respectively and whether has inserted signal source.Infrared sensor can be as shown in figure 10 being provided with of signal source interface, and the signal source interface shown in Figure 10 is the VGA interface, and infrared sensor is realized getting final product being provided with reference to Figure 10 of other signal source interfaces.
As shown in figure 10, infrared sensor comprises infrared transmitter 1001 and infrared remote receiver 1002, when VGA interface 1003 does not insert signal source, shown in Figure 10 a and Figure 10 b, infrared remote receiver 1002 can receive the infrared signal that infrared transmitter 1001 is sent, at this moment infrared remote receiver 1002 output low levels, kernel control module 108 know that according to the pin current potential that links to each other with this infrared remote receiver 1002 this VGA interface 1003 does not have the signal source insertion; After this VGA interface 1003 inserts signal source 1004, shown in Figure 10 c and Figure 10 d, infrared remote receiver 1002 does not receive the infrared signal that infrared transmitter 1001 is sent, at this moment infrared remote receiver 1002 is exported high level, kernel control module 108 is a high level according to the pin current potential that links to each other with this infrared remote receiver 1002, can know that this signal source interface has inserted signal source.
It more than is explanation to display device starting-up control device first embodiment of the present invention, in display device starting-up control device first embodiment, for each signal source interface all is provided with corresponding sensor, but some signal source interface, pin level by himself just can obtain the information whether this signal source interface has inserted signal source, for these signal source interfaces, can not be its signalization source interface.
In display device starting-up control device second embodiment of the present invention, just can obtain whether to have inserted the signal source interface of signal source for the pin that passes through interface self as the DVI interface, not for it is provided with sensor, directly be connected with the corresponding pin of kernel control module but directly can identify the pin that whether has inserted signal source.For example, for the DVI interface, be exactly that direct the 14th pin with the DVI interface connects with the corresponding pin of kernel control module.Like this, after the signal source interface had inserted signal source, it will become high level with the pin the level whether sign that kernel control module directly links to each other has inserted signal source, and kernel control module just can be known has the signal source interface to insert available signal source.
In display device starting-up control device the 3rd embodiment of the present invention, in the signal source detection module, increase the secondary signal treatment circuit.Can identify the pin that whether has inserted signal source in sensor or the signal source interface at first is connected with the secondary signal treatment circuit, the secondary signal treatment circuit is handled all signals of importing self, only the signal source interface has been inserted the information in available signal source, promptly the signal source information available sends kernel control module to.Like this, in kernel control module, just needn't be, and only need distribute the pin that is connected with the secondary signal treatment circuit to get final product for each signal source interface all distribute corresponding pin, reduced the quantity that signal source detects shared kernel control module pin.
Because present microcontroller technology is very ripe, can realize the function of above-mentioned secondary signal treatment circuit easily by microcontroller, so in Figure 11, be the structure of example explanation present embodiment signal source detection module with microcontroller 8051.As shown in figure 11, the pairing sensor 601 of each signal source interface, 602, ... be connected with microcontroller 1101, microcontroller 1101 detects the availability in the signal institute respective signal source of each sensor output that is connected to self, after the level that detects certain sensor output shows that the signal source interface of this sensor correspondence has signal source to insert, be about to comprise that the signal source interface has inserted the signal source available event of signal source information, by the asynchronous serial communication interface between microcontroller 1101 and the kernel control module 1101,1102 output to kernel control module 108.
In above-mentioned three embodiment, mainly realize whether the signal source interface has been inserted the detection of available signal source in the signal source detection module by sensor, in the present invention, can also detect by electric signal, determine whether the signal source interface has inserted available signal source the signal source interface.How to be elaborated by electric signal is detected below by the 4th embodiment, to determine whether the signal source interface has inserted available signal source.
In the 4th embodiment of display device starting-up control device of the present invention, except that the DVI interface, whether the signal source detection module has inserted vertical synchronizing signal by the detection signal source interface, carries out the signal source availability and detects.As shown in figure 12, comprise in the signal source detection module of present embodiment that voltage comparator LM393 separates integrated circuit LM1881 with video synchronization signal.Wherein, voltage comparator 1201 separates integrated circuit 1202,1203,1204 with video synchronization signal output terminal links to each other with kernel control module 108 respectively, behind voltage comparator 1201 or video synchronization signal separation integrated circuit 1202,1203,1204 output high level, the pin of kernel control module 108 by being attached thereto just can know that corresponding signal source interface has inserted available signal source.
Wherein, the in-phase input end of voltage comparator 1201 receives the vertical synchronizing signal from the VGA interface, and inverting input receives reference voltage source, and this reference voltage source can be+0.5V voltage, and voltage comparator 1201 output terminals are connected to kernel control module 108.After VGA signal source interface has inserted the VGA signal source, to voltage comparator 1201 output vertical synchronizing signals, because the crest voltage of vertical synchronizing signal is+0.7V, greater than voltage comparator 1201 reverse input voltage+0.5V, so the voltage that detects its in-phase input end when voltage comparator 1201 will be exported high level greater than behind+the 0.5V.
For S-Video interface, composite video signal interface and component video signal interface, employing video synchronization signal separation integrated circuit is isolated vertical synchronizing signal wherein, and the information output that will whether isolate vertical synchronizing signal.After audio video synchronization separation integrated circuit is isolated vertical synchronizing signal, promptly export high level; Otherwise output low level.Because it has been the known technology of this area that video synchronization signal separates integrated circuit, the principle of video synchronization signal not being separated integrated circuit describes here.
In addition, in the present embodiment, for identical among the processing of DVI interface and above-mentioned second embodiment, can directly its 14th pin be connected with kernel control module 108, the 14th pin of DVI interface thinks that promptly this DVI interface has inserted the available signal source when kernel control module 108 output high level.
At display device starting-up control device the 5th embodiment of the present invention, as shown in figure 13, in Figure 11, increased microcontroller 1301 in the signal source detection module on the basis of first signal processing circuit 1200, identical with the function of microcontroller among display device starting-up control device the 3rd embodiment, whether the signal source interface of 1301 pairs of receptions of microcontroller has inserted the information in available signal source is handled, and by asynchronous serial communication interface 1302,1303 results after will handling, the signal source available event that has promptly comprised the signal source available information, send kernel control module 108 to, thereby reduced taking kernel control module 108 pins.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1, a kind of display device starting-up control method is characterized in that, this method may further comprise the steps:
Under A, the holding state, whether display device has inserted available signal source to the signal source interface is detected;
B, after detecting the signal source interface and having inserted available signal source, display device starts, and enters open state.
2, method according to claim 1 is characterized in that, under the holding state, the electronic system of display device is in normal operating conditions described in the steps A;
Whether the display device described in the steps A has inserted available signal source to the signal source interface is detected and be: whether the video processing module in the described electronic system has inserted available signal source to the signal source interface is detected;
Described step B is: the video processing module in the described electronic system is after detecting the signal source interface and having inserted available signal source, send to kernel control module with detecting the information that the signal source interface inserted the available signal source, after kernel control module received described information, the startup of control display device entered open state.
3, method according to claim 1 is characterized in that, this method further comprises: increase the signal source detection module in advance in display device;
Under the holding state, described signal source detection module is in running order described in the steps A, and the kernel control module in the display device is in the duty of low-power consumption mode;
Whether the display device described in the steps A has inserted available signal source to the signal source interface is detected and be: whether described signal source detection module has inserted available signal source to the signal source interface is detected;
Described step B is: described signal source detection module is after detecting the signal source interface and having inserted available signal source, send to kernel control module with detecting the information that the signal source interface inserted the available signal source, after kernel control module received described information, the startup of control display device entered open state.
4, a kind of display device starting-up control device comprises: electronic system (101) is used under holding state according to the external command control display device starting-up that receives;
It is characterized in that, described electronic system (101) is further used under holding state whether self signal source interface has been inserted available signal source and detects, and after detecting the signal source interface and having inserted available signal source, the control display device starting-up.
5, display device starting-up control device according to claim 4 is characterized in that, comprises kernel control module (108), signal source interface module (105) and video processing module (106) in the described electronic system (101); Under the described holding state, kernel control module (108) and video processing module (106) are in running order;
Under described holding state, whether video processing module (106) has inserted available signal source to the signal source interface in the signal source interface module (105) is detected, and the object information that detection obtains is outputed to kernel control module (108);
The described object information control display device starting-up that kernel control module (108) receives according to self.
6, display device starting-up control device according to claim 4 is characterized in that, comprises kernel control module (108), signal source interface module (105) and signal source detection module (401) in the described electronic system (101); Under the described holding state, kernel control module (108) and signal source detection module (401) are in running order;
Under described holding state, whether signal source detection module (401) has inserted available signal source to the signal source interface in the signal source interface module (105) is detected, and the object information that detection obtains is outputed to kernel control module (108);
The described object information control display device starting-up that kernel control module (108) receives according to self.
7, display device starting-up control device according to claim 6 is characterized in that, described signal source detection module (401) is by sensor (601,602 ...) form.
8, display device starting-up control device according to claim 7 is characterized in that, described sensor is mechanical pick-up device and/or optical sensor.
9, display device starting-up control device according to claim 6 is characterized in that, described signal source detection module (401) is realized by first signal processing circuit (1200);
Described first signal processing circuit (1200) comprising: voltage comparator (1201) and/or video synchronization signal separate integrated circuit (1202,1203,1204).
10, according to arbitrary described display device starting-up control device in the claim 7 to 9, it is characterized in that, described signal source detection module further comprises: secondary signal treatment circuit (1101,1301), be used for obtaining described object information signal source information available, and described signal source information available is outputed to kernel control module (108).
11, display device starting-up control device according to claim 10 is characterized in that, described secondary signal treatment circuit (1101,1301) is realized by microcontroller.
12, according to arbitrary described display device starting-up control device in the claim 6 to 9, it is characterized in that, further comprise in the described signal source interface module (105): Digital Visual Interface identifies the pin that whether has inserted signal source and directly is connected with kernel control module (108) in the described Digital Visual Interface;
Described kernel control module (108) is further used for detecting identifying the pin that whether has inserted signal source in the Digital Visual Interface, obtain the object information whether this Digital Visual Interface has inserted the available signal source, and according to this object information control display device starting-up.
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| CNB2005100663301A CN100505032C (en) | 2005-04-22 | 2005-04-22 | Display device starting-up control method and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241038B (en) * | 2007-02-05 | 2011-05-18 | 佳世达科技股份有限公司 | Method for determining detection signal source sequence |
| CN106028131A (en) * | 2016-06-24 | 2016-10-12 | 联想(北京)有限公司 | Control method, device and system |
| CN112104848A (en) * | 2019-06-17 | 2020-12-18 | 中强光电股份有限公司 | Startup circuit, projector and startup judging method thereof |
| CN113422990A (en) * | 2021-05-12 | 2021-09-21 | 深圳岱仕科技有限公司 | Projection equipment working state control method and device, controller and storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508540A (en) * | 2011-11-02 | 2012-06-20 | 南京Lg新港显示有限公司 | Infrared induction automatic energy-saving module and energy saving method |
-
2005
- 2005-04-22 CN CNB2005100663301A patent/CN100505032C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241038B (en) * | 2007-02-05 | 2011-05-18 | 佳世达科技股份有限公司 | Method for determining detection signal source sequence |
| CN106028131A (en) * | 2016-06-24 | 2016-10-12 | 联想(北京)有限公司 | Control method, device and system |
| CN112104848A (en) * | 2019-06-17 | 2020-12-18 | 中强光电股份有限公司 | Startup circuit, projector and startup judging method thereof |
| CN113422990A (en) * | 2021-05-12 | 2021-09-21 | 深圳岱仕科技有限公司 | Projection equipment working state control method and device, controller and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100505032C (en) | 2009-06-24 |
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