CN101567994B - Image source search support method, and image display apparatus using the search support method - Google Patents

Image source search support method, and image display apparatus using the search support method Download PDF

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Publication number
CN101567994B
CN101567994B CN2009101411946A CN200910141194A CN101567994B CN 101567994 B CN101567994 B CN 101567994B CN 2009101411946 A CN2009101411946 A CN 2009101411946A CN 200910141194 A CN200910141194 A CN 200910141194A CN 101567994 B CN101567994 B CN 101567994B
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picture signal
mentioned
image
input terminal
image source
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CN101567994A (en
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藤原修一
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Seiko Epson Corp
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Seiko Epson Corp
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Abstract

The invention provides a search support method for a video source by which, when the entire video sources are unusable, a user can recognize this state, and a video display device and a projector using the search support method. The search support method for video sources includes: a first step of receiving a video source search start operation by a user when a display based on one video source isperformed, and displaying a search screen including a list of video sources that can be displayed in the display device; and a second step of performing a procedure of detecting the presence or absen ce of video signals in a predetermined order until a video signal is detected as to remaining video sources except for the above video source in the video sources that can be displayed in the display device. In the second step, when a video signal is detected, display based on the video source is started; and when a video signal is not detected even once, information of not detecting a video signal is displayed in a search screen.

Description

The search support method of image source and the image display device that uses it
Technical field
The present invention relates to the search support method of image source, the image display device that has used this search support method, projector.
Background technology
In projector, can connect a plurality of image sources (PC, DVD, VTR, other vision facilities, internet etc.) usually as image display device.Figure 16 is the figure that has connected the state of a plurality of image sources in the projector 500 that is illustrated in the past.
Projector 500 as shown in figure 16, generates based on the image light of desirable image source in a plurality of image source PC1, PC2, VTR, DVD and is projected on the screen S.As input/output interface, except input/output interface (I shown in Figure 16 Computer1, I Computer2, I Video, I S-Video) in addition, also use LAN (wireless or wired) interface recently.
; when using such projector; in order to select desirable image source to carry out Projection Display from operable image source, if can which image source of simple search can use in a plurality of image sources, perhaps carrying out what kind of demonstration etc. then can be very convenient.
Figure 17 is the figure that shows for the search support method that image source in the past is described.
The search support method of image source in the past, as shown in figure 17, when by mode switch or remote controller input picture source switching command, then make next image source (step S940) of the current selected image source of RAM sign storage, show the image parent name (step S941) that is stored among the RAM with OSD.Then, will be used to make the switching signal of exporting from the picture signal of the image source of being switched to output to input switching device shifter (step S942).Thereafter, after the time of timer arrives (step S943), the demonstration (step S944) of deletion in OSD.Image source with video 1 → video 2 → option → ... mode, when the switching command of each input picture source, switch by (for example, with reference to patent documentation 1).
Therefore,, then switch image source in proper order, can confirm reliably which image source can use, what kind of carries out show etc. according to image source switching command from the user if adopt the searching method of image source in the past.
But, in the search support method of in the past image source, for the image source that can not use (not image source of the image source that is connected with projector, access failure power supply etc.), because whether also need on one side can use to wait to image source confirms to switch image source in proper order on one side, so complicated operation and inconvenience.In recent years, the quantity of the image source that can be connected with projector increases, and then inconvenience more.Thereby, proposed to be used to solve the search support method of the another kind of image source in the past of such problem.
Figure 18 is the figure that shows for the search support method that alternative image source in the past is described.
The search support method of another kind of image source in the past, as shown in figure 18, by detecting having or not of picture signal, if the image source that can not use is arranged in the search of image source then skip it and search for next image source automatically.Therefore, if adopt the search support method of another kind of image source in the past, even then in the image source of object search, include under the situation of the image source that can not use, because next image source is skipped and searched for automatically to this image source, so do not need to switch image source one by one while confirming whether image source can be used etc., operation becomes easily, and convenience improves (for example, with reference to non-patent literature 1).
[patent documentation 1] spy opens the 2000-081666 communique
[non-patent literature 1] commercial projector panoramic catalogue (Epson is sold Co., Ltd., Seiko-Epson Co., Ltd.) catalog code: CLELSG16A (2004.12.15)) (the 3rd page (the explanation hurdle that picture signal detects automatically))
But, in the search support method of in the past another image source, be under the situation about can not use in interior all image sources in the image source that comprises initial selection because skip all image sources, so on the picture just without any demonstration.Therefore, the user is because of not knowing why what does not all have to show and feel confused that there is the problem of the ease of use difference of projector in its result.
In addition, in the search support method of in the past another image source, for the image source of so-called standby (standby) state (though be connected with projector and energized is not also sent the image source in the stage of picture signal.Below, be called the image source of stand-by state), because also with the same being skipped of situation of the image source that can not use, so exist the user can't select the problem of the image source of such stand-by state.
And these problems are not the problem that only just occurs during the search graph image source in projector, even but the problem that can see too during the search graph image source in the image display device that can connect a plurality of image sources.
Summary of the invention
Thereby, the present invention proposes in order to solve such problem, it is a kind of in can the image source of high efficiency search output image signal that its 1st purpose is to provide, even from all image sources all not under the situation of received image signal, also this information can be allowed the search support method of the image source that the user knows.
In addition, the 2nd purpose is to provide the search support method of the image source of the image source that can select stand-by state.
In addition, the 3rd purpose is to provide image display device and the projector that has used above-mentioned search support method.
To achieve these goals, image display device of the present invention, be the image display device that on display part, shows the image of representing with picture signal, it is characterized in that possessing: a plurality of input terminals that the picture signal that is used for providing from a plurality of image sources is imported according to each picture signal; From a plurality of input terminals, select the input selector of the input terminal of regulation; Be identified in by the identification part of whether importing picture signal on the selected input terminal of input selector; Acceptance be used for to each search of a plurality of input terminals whether import picture signal search operation operating portion and will represent and picture signal correction portion that the searching screen of the search condition of corresponding each the image parent name of each input terminal generates as picture signal; According to search operation to operating portion, at least make the image that constitutes of picture signal by the expression searching screen be presented at control part on the display part, control part, when operating portion is made search operation, in by input selector selective sequential input terminal, to having or not of the input of selected each input terminal by identification part recognition image signal, when not having on the input terminal of being confirmed under the situation of picture signal, the demonstration that to represent this purport by the picture signal correction portion is appended to searching screen, import under the situation of the input terminal that picture signal is arranged when having confirmed, when closing searching screen by the picture signal correction portion, the image that will be made of the picture signal from the input terminal of the input of confirming to have picture signal is presented on the display part.
If adopt this formation, control part is when making search operation to operating portion, in by input selector selective sequential input terminal, to having or not of the input of selected each input terminal by identification part recognition image signal, when on the input terminal of being confirmed not under the situation of received image signal, to represent that by the picture signal correction portion demonstration of this purport is appended on the searching screen, therefore, on the display part of image display device, will represent from not having the demonstration of the information of received image signal to be appended on the searching screen one by one with the corresponding image source of the input terminal of being searched for.
Thereby, can allow the user of image display device see the state of supply of the picture signal of each image source in real time.In addition, even all not under the situation of received image signal, also can see this information by searching screen from all image sources.
And then, control part has under the situation of input terminal of picture signal having confirmed input, when closing searching screen by the picture signal correction portion, the image that will be made of the picture signal from the input terminal of the input of confirming to have picture signal is presented on the display part, therefore, if image display device confirms the input of picture signal, then close searching screen, will be with being presented on the display part from the image of representing with the picture signal of the image source of this input terminal.
Thereby, image display device when allowing the user see that the search of image source finishes, image source that can high efficiency search output image signal.
Thereby image display device of the present invention is can high efficiency in the image source of search output image signal, even all not under the situation of received image signal, also can allow the user see this information from all image sources.
If adopt image display device of the present invention, then preferably have under the input terminal situation about arriving all unconfirmed of picture signal an input, when making one's options the operation of image source by operating portion according to searching screen, then control part selects and the corresponding input terminal of selected image source input selector when closing searching screen by the picture signal correction portion.
If adopt this formation, when having made when searching screen is selected the operation of image source, then control part is when closing searching screen by the picture signal correction portion, input selector is selected and the selected corresponding input terminal of image source that goes out, so, even image display device has under the input terminal situation about arriving all unconfirmed of picture signal an input, also can select with according to the corresponding input terminal of the image source of the selected operation of searching screen.
Thereby, according to image display device of the present invention, can select the image source of stand-by state.
If adopt image display device of the present invention, the preferred storage part that further possesses the selected initial input terminal of storage input selector before carrying out search operation, all unconfirmed the arriving of input terminal that picture signal is arranged when an input, and then in official hour, operating portion is not made a choice under the situation of operation of image source, control part selects to be stored in initial input terminal in the storage part with input selector when closing searching screen with the picture signal correction portion.
If adopt this formation, all unconfirmed the arriving of input terminal that picture signal is arranged an input, and then in official hour, operating portion is not made a choice under the situation of operation of image source, control part is when closing searching screen with the picture signal correction portion, select to be stored in initial input terminal in the storage part with input selector, so, image display device finishes at hunting action, do not confirm under the situation of picture signal fully, when through behind the official hour, just return the state of initial setting automatically.
Thereby image display device by the state of closing searching screen and turning back to initial setting, can allow the user see that clearly hunting action finishes.In addition, under this state, carrying out under the situation of search operation once more,,,, need carry out some operation such as picture signal output function image source for display image so can consciously supervise the user because return the state of initial setting equally.
If adopt image display device of the present invention to be preferably, importing on the selected initial input terminal of input selector before carrying out search operation has under the situation of picture signal, control part, when operating portion is made search operation, with the search operation corresponding action of each one before, by the picture signal correction portion, the picture signal of the searching screen that generation is expressed as follows, described searching screen is meant that including the image parent name corresponding with the initial input terminal and purport is the searching screen of demonstration that has the input of picture signal.
If adopt this formation, then have under the situation of picture signal in input on the initial input terminal, control part, when operating portion has been made search operation, then with the action of the search operation that is undertaken by each one before, generating expression by the picture signal correction portion comprises and the corresponding image parent name of initial input terminal, picture signal with the searching screen of the demonstration of the purport of the input that picture signal is arranged, so, even image display device is having under the situation of picture signal the input of initial input terminal, also after being presented at this purport on the searching screen, further search provides other image source of picture signal.
Thereby, if adopt image display device of the present invention, even then have under the situation of picture signal in input on the initial input terminal, also can be after being presented at this purport on the searching screen, further search provides other image source of picture signal.
If adopt image display device of the present invention, be preferably, when under the situation of the input that does not have picture signal on the input terminal beyond the initial input terminal, control part is when selecting the initial input terminal by input selector, by the picture signal correction portion, to overlap on the picture signal of initial input terminal input with official hour than the little searching screen of image that constitutes by picture signal from the input of initial input terminal.
If adopt this formation, when under the situation of the input that does not have picture signal on the input terminal beyond the initial input terminal, because control part is when selecting the initial input terminal with input selector, will be by the picture signal correction portion than the little searching screen of image of the picture signal of importing from the initial input terminal, overlap official hour on the picture signal of initial input terminal input, so image display device, finish hunting action, the image that will be made of the picture signal from the input of initial input terminal shows the searching screen stipulated time as a setting therein.
Thus, image display device, the image that the picture signal by from input terminal by background constitutes is on one side can allow the user see from the corresponding image source input of initial input terminal this information of picture signal being arranged, Yi Bian show searching screen.And then when through official hour, the then overlapping end of searching screen can only show the image that constitutes from the picture signal of initial input terminal input.
Image display device of the present invention is that the image that will represent with picture signal is presented at the image display device on the display part, it is characterized in that possessing: the picture signal that will provide from a plurality of image sources a plurality of input terminals by each picture signal input are provided; From a plurality of input terminals, select the input selector of the input terminal of regulation; Be identified in the identification part of whether importing picture signal on the input terminal of selecting by input selector; Acceptance is used for whether each search of a plurality of input terminals is imported the operating portion of the search operation of above-mentioned picture signal; The picture signal correction portion that the searching screen of expression and the search condition of corresponding each the image parent name of each input terminal is generated as picture signal; According to search operation to operating portion, at least the control part that on display part, shows the demonstration that constitutes by the picture signal of representing searching screen, control part, when the search operation of having made operating portion, in by input selector selective sequential input terminal, to having or not of the input of selected each input terminal by identification part recognition image signal, append the demonstration that has or not of the picture signal of each input terminal that expression confirms by picture signal correction portion order on searching screen, confirm the having or not of picture signal on all input terminals.
If adopt this formation, control part is when making search operation to operating portion, in with input selector selective sequential input terminal, selected each input terminal is confirmed the having or not of input of picture signal by the identification part, append having or not of the picture signal of representing each input terminal of being confirmed with picture signal correction portion order on searching screen, having or not of the picture signal of affirmation on all input terminals, so, image display device appends on one side having or not of the picture signal that shows each input terminal one by one on searching screen, on one side having or not of the picture signal of affirmation on all input terminals, guide look is presented on the searching screen.
Thereby, image display device can allow the user see the affirmation situation of picture signal one by one according to each image source, and then can show the searching screen that has or not of the picture signal of all input terminals by guide look, allow the user know Search Results expeditiously.In addition, because be presented at having or not of picture signal in all image sources by searching screen guide look, so under the situation that confirm a plurality of image sources that picture signal arranged, the user can be from wherein selecting desirable image source, so this image display device ease of use height.
Thereby image display device of the present invention even all do not having from all image sources under the situation of received image signal, also can allow the user see this information can high efficiency in the image source of search output image signal.
If adopt image display device of the present invention, be preferably the picture signal of having carried out all input terminals have or not affirmation after, under the situation of the operation of the image source that in official hour, operating portion do not made one's options, control part, when closing searching screen, select the initial input terminal of confirming to have picture signal with input selector with the picture signal correction portion.
If adopt this formation, the picture signal of having carried out all input terminals have or not affirmation after, under the situation of the operation of the image source that operating portion do not made one's options at the appointed time, control part is when closing searching screen with the picture signal correction portion, select to have confirmed at first the input terminal of picture signal with input selector, so, image display device shows from the image that has the picture signal of the corresponding image source of input terminal of picture signal to constitute with initial affirmation when closing searching screen.
Thereby image display device of the present invention can be searched for the image source of output image signal expeditiously, automatically shows the image that is made of the picture signal from this image source.
If adopt image display device of the present invention, be preferably carry out carrying out by the identification part to the picture signal of selected each input terminal have or not affirmation during, control part is just in the such demonstration of search signal with picture signal correction portion overlapping purport on searching screen.
If adopt this formation, during the affirmation of carrying out carrying out that has or not to the picture signal of selected each input terminal by the identification part, control part is just in the such demonstration of searching image signal with picture signal correction portion purport on overlapping on the searching screen, so, image display device undertaken by the identification part selected each input terminal confirmed picture signal have or not during, purport is just in the such demonstration of searching image signal on overlapping on the searching screen.
Thereby, if adopt image display device of the present invention, then can allow the user see just in this information of searching image signal.Thus, can prevent to bring " operation don't work " such uneasiness to the user.
If adopt image display device of the present invention, be preferably when searching screen and close, and when input does not have picture signal on the selected input terminal with the action of corresponding each one of search operation or to the selection operation of operating portion and by input selector, control part generates the selected image parent name of expression by the picture signal correction portion and expresses picture signal and do not import the picture signal of the picture of such purport, and is presented on the display part.
If adopt this formation, after hunting action finishes, do not have under the situation of picture signal when on the selected input terminal of input selector, importing, control part, do not import the picture signal of the picture of such purport by picture signal correction portion generation selected image parent name of expression and reflection picture signal, and it is presented on the display part, so image display device, finish and after searching screen closes at hunting action, display list is shown in the selected image source picture of the such purport of received image signal not.
Thereby image display device of the present invention after hunting action finishes and selected input terminal, can allow the user sees does not have received image signal on this input terminal information.Thus, can consciously supervise the user, some operation of the picture signal output function that need carry out image source for display image etc.
If adopt projector of the present invention, then be preferably, above-mentioned image display device be the light modulation of light source portion being sent by optical modulation element for and the corresponding light modulated of picture signal, and with the projector of this light modulated of projecting lens enlarging projection.
Projector because can access with the big image after the projecting lens amplification, so be used for using the demonstration (presentation) of PC (personal computer) and the film appreciation of use DVD etc. more.In such purposes, the image source that is connected with projector is a few devices as PC and DVD player so mostly.Therefore, the user of projector has such demand, that is, and and the image source of picture signal " think fast select to provide ", perhaps " want to confirm from image source whether output image signal ".
Thus, as above-mentioned image display device, projector is fit to.
Thereby, when can be provided at the image source of searching for output image signal expeditiously,, also can allow the user see the projector of this information even all do not have from all image sources under the situation of received image signal.
The search support method of image source of the present invention, the search support method of image source comprises: under the situation of carrying out based on the demonstration of an image source, the search of the image source that reception is made by use begins operation, shows that comprise can be with the 1st step of the searching screen (being also referred to as " image source guide look picture ") of the guide look of the image source of this image display device demonstration; With in the image source that can show, have or not the 2nd step of the order till detecting picture signal (process) to what the remaining image source beyond this image source was carried out according to the rules sequence detection picture signal with this image display device; It is characterized in that in the 2nd step, beginning is not once all detecting under the situation of picture signal based on the demonstration of this image source under the situation that has detected picture signal, and purport is presented on the searching screen for the information that does not detect picture signal.
Therefore, if adopt the search support method of image source of the present invention, then under the situation that all image sources all can not be used, because picture signal does not once all detect, so on searching screen, demonstrate purport for not detecting the information of picture signal.Its result under the situation that all image sources all can not be used, can allow the user see this information, realizes the 1st purpose of the present invention.
And, in the search support method of image source of the present invention, the situation of in the 1st step, " carrying out demonstration " based on an image source, except carrying out based on the situation from the demonstration of the picture signal of an image source, also comprise because do not have received image signal, so show the situation of the information frame of " not having the picture signal input " etc. from this image source.
At the search support method of image source of the present invention, be preferably the storage information relevant in advance with having or not of picture signal, when showing searching screen, show the information relevant with having or not of picture signal by each image source.
By such method, because no matter in search procedure or after search, which all the information relevant with having or not of picture signal is presented on the searching screen by each image source, so can confirm from image signal source output picture signal is arranged, ease of use improves.
In the selection support method of image source of the present invention, be preferably, working as picture signal in above-mentioned the 2nd step does not once all have under the detected situation, selected from searching screen under the situation of specific image source the user, beginning is based on the demonstration of above-mentioned specific image source.
By adopting such method, owing to from searching screen, select specific image source, thereby can select the image source of stand-by state, realize the 2nd purpose of the present invention.
In the selection support method of image source of the present invention, be preferably, when picture signal in above-mentioned the 2nd step does not once all have under the detected situation, carried out keeping out of the way under the situation of operation the user or the user does not make in specified time limit under the situation of any operation, beginning is based on the demonstration of an above-mentioned image source.
The search of image source is carried out when showing an image source normally when having connected the switch of image display device or with image display device.Therefore, in the latter case, by carrying out method as described above, keep out of the way operation or the user does not carry out under the situation of any operation in specified time limit the user, because picture can be turned back to initial picture, so can make image display device become wieldy device.
In the search support method of image source of the present invention, be preferably,, on the background of searching screen, show an above-mentioned image when picture signal in above-mentioned the 2nd step does not once all have under the detected situation.
As mentioned above, the search of image source is carried out when having connected the switch of image display device or when showing an image source with image display device usually.Therefore, in the latter case, by carrying out method as described above, under the once all undetected situation of picture signal in the 2nd step, because on the background of searching screen, show initial picture,, image display device is easy to operative installations so being become.
In the search support method of image source of the present invention, be preferably, in above-mentioned the 2nd step output image signal have or not during, with the information relevant and just be presented on the searching screen in the information of the purport that has or not of detected image signal with the image source that is detected.
By being arranged to such method, because in the detection that has or not of picture signal, the information relevant with detected image source and purport are presented on the searching screen for the information that has or not at the detected image signal just, so can make image display device become wieldy device with purport for passing to the user reliably in such information of searching for.
The search assisting program of image source of the present invention, it is the search assisting program of the image source that shows that the image display device of the image of representing with picture signal carries out, it is characterized in that, has the order (process) of carrying out 2 following steps: promptly, this first step, under the situation of carrying out based on the demonstration of an image source, the image source search of accepting to be made by the user begins operation, shows the searching screen of the guide look that is included in the image source that can show on this image display device; This second step, having or not of remaining image source sequence detection picture signal according to the rules beyond this image source in carrying out the image source that shows at available this image display device, in the time of the order (process) that detects till the picture signal, beginning is based on the demonstration of this image source under the situation that has detected picture signal, once all do not have under the detected situation in picture signal, purport is presented on the searching screen for the information that does not detect picture signal.
Therefore, if be arranged in the search assisting program of using image source of the present invention in the image display device, then under the situation that all image sources can not be used, because picture signal does not once all detect, so on searching screen, show the information of the purport that does not detect picture signal.Its result under the situation that all image sources all can not be used, can allow the user see this information.
Image display device of the present invention, it is characterized in that having 2 following functions: the 1st function, under the situation of carrying out based on the demonstration of an image source, acceptance begins operation by the image source search that the user makes, and shows the searching screen of the guide look of the image source that comprises available this image display device demonstration; The 2nd function, having or not of remaining image source sequence detection picture signal according to the rules beyond this image source in carrying out the image source that available this image display device is shown, in the time of the process that detects till the picture signal, detecting the demonstration that begins under the situation of picture signal based on this image source, once all do not have under the detected situation in picture signal, the information that execution will not detect the purport of picture signal is presented on the searching screen.
Therefore, if adopt image display device of the present invention, then under the situation that all image sources can not be used, because picture signal does not once all detect, so on searching screen, show the information of the purport that does not detect picture signal.Its result under the situation that all image sources all can not be used, can allow the user see this information.
Description of drawings
Fig. 1 is the summary pie graph of the projector of execution mode 1.
Fig. 2 is the flow chart of search support method of the image source of expression execution mode 1.
Fig. 3 is the figure of expression display frame one example.
Fig. 4 is the figure of expression display frame one example.
Fig. 5 is the figure of expression display frame one example.
Fig. 6 is the figure of expression display frame one example.
Fig. 7 is the figure of expression display frame one example.
Fig. 8 is the figure of expression display frame one example.
Fig. 9 is the figure of expression display frame one example.
Figure 10 is the figure of expression display frame one example.
Figure 11 is the figure of display frame one example in the expression execution mode 2.
Figure 12 is the figure of expression display frame one example.
Figure 13 is the figure of expression display frame one example.
Figure 14 is the flow chart of search support method of the image source of expression execution mode 3.
Figure 15 is the figure of expression display frame one example.
Figure 16 is the figure that connects the state of a plurality of image sources in the projector that is illustrated in the past.
Figure 17 is the figure that is used to illustrate the search support method of image source in the past.
Figure 18 is the figure that is used to illustrate the search support method of another image source in the past.
Label declaration
51: as lamp 52R, 52G, the 52B of light source portion: as display part and light modulation
The liquid crystal light valve 53 of element: operating portion 54: as the remote controller of operating portion
56: input selector 57: identification part 61: the picture signal correction portion
62:OSD memory 65: projecting lens 66: control part
67: storage part 100: the T1～T4 of projector: input terminal
Computer1, computer2, S-Video, Video: image source
Vin: picture signal
Embodiment
Below, describe embodiments of the present invention with reference to the accompanying drawings in detail.
(execution mode 1)
" formation of projector "
Fig. 1 is the block diagram of expression as the summary formation of the projector of image display device of the present invention.Below, illustrate that with Fig. 1 the summary of projector 100 constitutes.
Projector 100, be the 3 former colour contents that the white light that will be sent as the lamp 51 of light source is separated into red light, blue light, green light, every kind of coloured light is used as liquid crystal light valve 52R, 52G, the 52B that each coloured light of display part uses to be modulated according to the picture signal that provides from image source, with the light modulated of synthetic once more full color with projecting lens 65 enlarging projections on the screen SC, so-called " liquid crystal 3 board-like projectors ".
Wherein, liquid crystal light valve 52R, 52G, 52B are optical modulation elements, respectively as red light, green light, blue light with and be provided with, be comprised in the formation of optic 64.
Projector 100 is by constituting with inferior part: lamp 51, operating portion 53, remote controller 54, operation acceptance portion 55, input terminal T1～T4, input selector 56, identification part 57, image converter 58, picture signal handling part 59, frame memory 60, picture signal correction portion 61, OSD memory 62, liquid crystal panel drive division 63, optic 64, projecting lens 65, control part 66, storage part 67, power supply unit 68, lamp drive division 69.
Lamp 51 for example is the discharge lamp that high-pressure mercury-vapor lamp, metal halide lamp and Halogen lamp LED etc. can access high brightness.
Operating portion 53 is arranged on above the body of projector 100, possesses a plurality of operation buttons that are used to operate projector 100., include and be used to " power knob " that start and close projector 100 with in the buttons in a plurality of operations; Be used to search for " the picture search button " of the image source that picture signal is provided; Be used to select desirable image source to " source selector button " (all not shown) of each image source etc.
As the remote controller 54 of operating portion, be the remote controller that is used for remote operation projector 100, possess a plurality of operation buttons of operating projector 100 with operating portion 53 the same being used to.
Operation acceptance portion 55 when operating portion 53 or remote controller 54 are made operation, accepts this operation, to the operation signal of control part 66 transmissions the becoming trigger impulse of exercises.
Input terminal T1～T4 is the picture signal that is used for providing from a plurality of external electronic device PC1, PC2, DV, VI as image source is input to projector 100 according to each picture signal a input terminal.
Input terminal T1, T2 for example are mini D-sub15 pin terminal, and be corresponding with the analog rgb signal that provides from personal computer PC 1, PC2.In addition, the use of the holding wire by changing 15 pins that mini D-sub15 pin terminal has distributes, and can also import component signal.
Input terminal T3 for example is the S terminal, and is corresponding with the S signal that provides from DVD player DV, S video tape recorder etc.
Input terminal T4 for example is the 1RCA terminal, with corresponding from video tape recorder VI, the first-class mixed signal that provides of TV high frequency.
Input terminal as projector 100, except above-mentioned image input terminal, also be provided with sound input end of for example stereo mini-jack that is used for input audio signal etc., externally carry out the USB terminal, RS232C terminal etc. of the exchange of various information between PC and the projector 100, for diagram is omitted in simple declaration.
Below, with external electronic device PC1, PC2, DV, VI, the performance that is communicated with in the image parent name synthetically describes together.
Specifically, in the image parent name, personal computer PC 1, PC2 shown as " Computer1 " and " Computer2 ".Equally DVD player DV is shown as " S-Video ", video tape recorder VI is shown as " Video ".
Input selector 56 is selector switches of input terminal T1～T4, according to the selection signal from control part 66, selects any 1 terminal in 4 input terminals.Thus, providing under the situation of picture signal Vin with the corresponding image source of selected input terminal, projector 100 is the image that is made of this picture signal Vin of projection just.
Image source in the acquiescence in stage of dispatching from the factory of projector 100 is " Computer 1 ".After projector's 100 startings, for example, " the picture search button " if of remote controller 54, then input selector 56 switches image source by selective sequential input terminal T1～T4 according to the order of " Computer 1 ", " Computer2 ", " S-Video ", " Video ".
In addition, when projector 100 shutdown, moment of shutdown with selected image source information stores in storage part 57, when starting next time, reproduce.
Identification part 57 for example is a comparator, to whether from providing picture signal Vin by input selector 56 selected image sources, by confirming that the having or not of synchronizing signal that is comprised among the picture signal Vin discern, and will pass on the identification signal that has or not of the input of picture signal Vin to send to control part 66.
58 couples of analog picture signal Vin of image converter carry out the A/D conversion, export as data image signal Din.This carries out for picture signal Vin being implemented various picture signals handle.In addition, be built-in with decoder.
Specifically, image converter 58 is under the situation of analog rgb signal of image source " Computer 1 ", " Computer 2 " at picture signal Vin, directly implements to comprise the picture signal of A/D conversion process and handles.When picture signal Vin is the S signal of image source " S-Video ", or under the situation of the mixed signal of " Video ", after being converted to component signal, implementing to comprise the picture signal of A/D conversion process and handle with built-in decoder.
Picture signal handling part 59 for picture signal Din being arranged to the suitable signal that shows with liquid crystal light valve 52R, 52G, 52B, carries out view data is write frame memory 60, and reads the picture signal processing that waits under defined terms.In picture signal is handled, include by amplifying and dwindling the image of representing with picture signal Din, the corresponding to ratio of exploring degree (sealing) that itself and liquid crystal light valve 52R, 52G, 52B had is handled,, the frame-rate conversion of the scanning update times in the expression 1 second etc.Picture signal Din is implemented such picture signal and handles, and is output as data image signal Dsc.
Picture signal correction portion 61, enforcement is to be suitable for the even correcting process of irregular colour revising, cause because of the intrinsic brightness irregularities of liquid crystal light valve 52R, 52G, 52B etc. with the γ of liquid crystal light valve 52R, 52G, 52B gray-scale displayed value with the grayvalue transition that picture signal Dsc had, and then the analog picture signal Vout of D/A conversion has been implemented in output.
In addition, picture signal correction portion 61 plays and for example makes the image parent name overlap OSD such on the image of representing with picture signal Bin (On-Screen Display) function.Picture signal correction portion 61 according to the osd signal from control part 66, is for example read " searching screen " of " image parent name ", image source from OSD memory 62, it is overlapped on the picture signal Dsc.
Picture signal correction portion 61, under the situation of received image signal Vin not, for example from OSD memory 62, read " spare picture " of expressing " image parent name " and " not received image signal " such printed words at complete blue picture, generate the picture signal Vout that represents " spare picture " and its output.
OSD memory 62 is nonvolatile memories, the picture of the mode of operation of the expression projector that various states, " spare picture " of storing " searching screen " of " image parent name ", image source etc. use in OSD and various character patterns etc.
Liquid crystal panel drive division 63 is liquid crystal drivers, provides picture signal Bout and driving voltage etc. to liquid crystal light valve 52R, 52G, 52B, the projection picture of publishing picture on liquid crystal light valve 52R, 52G, 52B.
The formation of optic 64 comprises: the integrator optical system that the white light of lamp 51 emissions is converted to the stable almost parallel light of Luminance Distribution; The white light that Luminance Distribution is stable is separated into redness as light 3 primary colors, green, blue light component of all kinds, offers liquid crystal light valve 52R, the 52G that each coloured light uses, the split-optics (all not shown) of 52B; The combining optical that will synthesize once more by each coloured light that liquid crystal light valve 52R, 52G, 52B modulated according to picture signal Vout by every kind of coloured light.
Light modulated from every kind of color of liquid crystal light valve 52R, 52G, 52B, by possess dichroic coating 71 that reflect blue light sees through green light, dichroic coating 72 that reflection red light sees through green light, be synthesized as the cross dichroic prism 73 of combining optical, as the light modulated of full color of modulating and almost parallel and penetrated according to picture signal Vout.
Projecting lens 65 is made of convex lens etc., will amplify and form projected light from intersecting the light modulated of colour splitting prism 73, with image projection on screen SC.Projecting lens 65 has the zoom function of the magnification ratio of adjusting projected light and adjusts the focusing function of the focus of projected light.
Control part 66 is CPU (Central Processing Unit), carries out the exchange of signal via bus B us with each one, in addition, and according to action from each ones of control such as the operation signals of operation acceptance portion 55.
Storage part 67, but for example constitute by the nonvolatile memory of rewrite data such as flash memory.Storage is by the various control programs that are used to indicate and control the action of projector 100, operating system (Off ア one system ウ エ ア) and subsidiary data in storage part 67.
In control program, include as " the picture search program " that be used to search for the search assisting program of the image source that provides picture signal.For example be included in execution " picture search program " the selected input terminal name of input selector etc. before as subsidiary data.
Power supply unit 68 imports alternating electromotive force from external power source 80 from socket, by with built-in AC/DC converter section (all not shown) enforcement transformation, rectification and level and smooth etc. processing, thereby provides the direct voltage of stabilisation to each one of projector 100.
Lamp drive division 69 possesses: receive from the electric power of power supply unit 68 and supply with, in order to light the lamp 51 as discharge lamp, produce ignitor (ignitor) circuit that high voltage forms discharge path; The ballasting circuit of the stable illuminating state after being used to maintaining lights (all not shown).
" the 1st image source search form "
Fig. 2 is the flow chart of search support method of the image source of expression execution mode 1.Fig. 3～Figure 10 is the figure of display frame one example of expression execution mode 1.
At this, be the center with Fig. 2, suitable to Fig. 1 and Fig. 3～Figure 10, a form of the search of the image source in projector 100 is described.
The search support method of the image source of execution mode 1 is to have supposed after starting projector 100, carries out the search support method of image source of situation of the search of image source.
And, in the search support method of the image source of execution mode 1, when being arranged in the mains switch of connecting projector 100, carry out based on the demonstration of the corresponding image source of input terminal T1 " Computer1 ".In addition, this moment, hypothesis did not have picture signal output from image source " Computer 1 ".
The search support method of the image source of execution mode 1 has the 1st step S10 and the 2nd step S20 as shown in Figure 2.
Because the operation of " power knob " of remote controller 54 is finished, thus from operation acceptance portion 55 to control part 66 operation signal.Receive the control part 66 of operation signal, start each one and carry out initialization.Control part 66 is by the input terminal T1 of input selector 56 selections as the input terminal of acquiescence.
In step S11, control part 66, because according to identification signal from identification part 57, not from the corresponding image source of input terminal T1 " Computer 1 " received image signal, so generate the picture signal of " spare picture " of presentation graphs 3, this image of projection by picture signal correction portion 61.On " spare picture ", demonstrate " not having the picture signal input " this information.
In step S12, control part 66 receives owing to operated " the picture search button " of remote controller 54 and from the operation signal that operation acceptance portion 55 sends, carries out " the picture search program " of storage part 67.The action of each one in each following step is a benchmark with " picture search program ".In addition, control part 66, in the moment that the picture search operation is finished, the input terminal that input selector 56 is selected is stored in the storage part 67 as the initial input terminal.
In step S13, control part 66 generates the picture signal of representing " searching screen " shown in Figure 4 by picture signal correction portion 61, and this image of projection.In " searching screen " of Fig. 4, show that expression does not have " nothing " this information of received image signal from image source " Computer 1 ".
The step S11 of above-mentioned explanation～S13 is equivalent to the 1st step S10.
In step S21, control part 66 is selected the input terminal by the Next selecting sequence of the input terminal of input selector 56 selections.The selecting sequence of input terminal is with " input terminal T1 " → " input terminal T2 " → " input terminal T3 " → " input terminal T4 " → " input terminal T1 " ... such mode circulates.
In step S22, control part 66, by identification part 57 confirm from the having or not of the picture signal of the corresponding image source of selected input terminal in step S21.Under the situation of the input that picture signal is arranged, enter step S27.Under the situation of the input that does not have picture signal, enter step S23.
In addition, in each step, control part 66 consistently upgrades " searching screen " and search condition by picture signal correction portion 61 one by one.
" searching screen " of Fig. 5 be confirming from the picture that has or not of the picture signal of the corresponding image source of input terminal T2 " Computer 2 ".On this picture, show that purport is " just at the searching image signal " such information.In addition, " searching screen " of Fig. 6 be confirming from the picture that has or not of the picture signal of the corresponding image source of input terminal T4 " Video ", the same with Fig. 5, show that purport is " just at the searching image signal " such information.
In step S23, control part 66 confirms whether all input terminal T1～T4 have been carried out the search of picture signal.Under the situation that the search to all input terminals is through with, enter step S24.Under the situation that also has the input terminal of not searching for, return step S21.
In step S24, control part 66 generates the picture signal of " searching screen " of presentation graphs 7 and this image of projection by picture signal correction portion 61.What " searching screen " of Fig. 7 represented is the input that does not all have picture signal from all image sources.And, demonstrate " because do not detect picture signal, so please manually select image source " such information.
In step S25, control part 66 is according to from the having or not of the operation signal of operation acceptance portion 55, and confirms whether to have made in official hour the operation of " the source selector button " of operating portion 53 or remote controller 54.Under the situation that the operation signal of selecting image source is arranged, enter step S26, under the situation of the operation signal of not selecting image source, enter step S28.By the way, official hour is about 10 seconds.
In step S26, control part 26 is selected and the corresponding input terminal of selected image source in step S25 with input selector 56 when closing " searching screen " by picture signal correction portion 61.
Then, the situation that the picture signal input is arranged in step S22 is described.
In step S27, control part 66 is when closing " searching screen " by picture signal correction portion 61, according to the picture signal projected image in the input terminal that is input to the input that has confirmed picture signal in step S22.For example, Fig. 8 is illustrated in the picture when detecting picture signal among the input terminal T2.And, from the picture of image source " Computer 2 " in order simply to represent with dot pattern.
Then, in step S25, the situation of the operation of not selecting image source is described.
In step S28, control part 66, because the operation of the image source that in official hour, do not make one's options, so when closing " searching screen " by picture signal correction portion 61, from storage part 67, read the information of initial input terminal, select this input terminal by input selector 56.
Fig. 9 represents the picture of this state, shows the picture the same with Fig. 3 " spare picture ".And then for example working as initial input terminal is under the situation of input terminal 4, shows picture shown in Figure 10.
More than Shuo Ming step S22～S28 is equivalent to the 2nd step S20.
As mentioned above, if adopt present embodiment then can obtain following effect.
(1) control part 66, when remote controller 54 is made search operation, in by input selector 56 selective sequential input terminal T1～T4, confirm the having or not of input of picture signals by selected each input terminal in 57 pairs of identification parts, when not having on the input terminal of being confirmed under the situation of received image signal, to represent that by picture signal correction portion 61 demonstration of this purport appends on searching screen, so, on the searching screen of projector's 100 projections, append the demonstration that has or not of the picture signal of each input terminal that expression searches for one by one according to the search situation.
Thereby, can allow in real time the user of projector 100 see each image source picture signal situation is provided.In addition, even from all image sources, all do not having under the situation of received image signal, also can see this information by searching screen.
And then, control part 66 has under the situation of input terminal of picture signal having confirmed input, when closing searching screen by picture signal correction portion 61, the image that projection is formed by the picture signal from the input terminal of the input that is identified picture signal, therefore, projector 100 is when the input that confirms picture signal, close searching screen, projection is by from the image of representing with the picture signal of the corresponding image source of this input terminal.
Thereby the image source that output has picture signal in the information that allows the user see that the search of image source finishes, can be searched for expeditiously by projector 100.
Thus, projector 100 can the high efficiency search export the image source that picture signal is arranged, and, even all do not having from all image sources under the situation of received image signal, also can allow the user know this situation.And then, because by simple 1 search operation, show the state of the picture signal of each image source, so when confirm picture signal then automatically with corresponding image source connection, so projector 100 easy to use can be provided.
(2) when the operation of the image source that makes one's options according to searching screen, control part 66, when closing searching screen by picture signal correction portion 61, input selector 56 is selected and the corresponding input terminal of selected image source, so, projector 100, even have an input under the input terminal situation about arriving all unconfirmed of picture signal, also can select with according to the corresponding input terminal of the image source of the selected operation of searching screen.
Thereby the image source of stand-by state can be selected by projector 100.
(3) all unconfirmed the arriving of input terminal of picture signal arranged when an input, and then in official hour, operating portion is not made one's options under the situation of operation of image source, control part 66 is when closing searching screen by picture signal correction portion 61, select to be stored in initial input terminal in the storage part 67 by input selector 56, so, projector 100, finish at hunting action, do not confirm under the situation of picture signal fully, through official hour the time, then return the state of initial setting automatically.
Thereby, projector 100, by closing searching screen, and the state that returns initial setting, thereby can allow the user see the information that hunting action finishes clearly.In addition, under this state, when carrying out search operation once more, can turn back to the state of initial setting equally, so can consciously supervise the user:, need carry out certain operations such as picture signal output function to image source for display image.
(4) carry out carrying out by identification part 57 selected each input terminal is confirmed picture signal have or not during, control part 66, making purport by picture signal correction portion 61 is just to overlap on the searching screen in such demonstration of searching image signal, so projector 100, the picture signal of carrying out selected each input terminal by identification part 57 have or not affirmation during, projection comprises purport for just in the searching screen of the demonstration of searching image signal.
Thereby projector 100 can allow the user see just in the such information of searching image signal.Thus, can prevent to bring " action don't work " such uneasiness to the user.
(5) after hunting action finishes, when on input selector 56 selected input terminals, not having received image signal, control part 66, generate the picture signal of selected image parent name of expression and the picture that reflects the purport that does not have the picture signal input by picture signal correction portion 61, so, projector 100 finishes and after searching screen closed, display list was shown in the picture of the purport that does not have the picture signal input on the selected image source at hunting action.
Thereby projector 100 is after the search terminal finishes and selected input terminal, and can allow the user see does not have the information of picture signal input on this input terminal.Thus, can consciously supervise the user:, need carry out certain operations such as picture signal output function to image source for display image.
(6) in step S10 as the 1st step, under the situation of carrying out based on the demonstration of an image source, acceptance begins operation by the image source search that the user makes, show the searching screen that is included in the image source guide look that can show among the step S100, in step S20 as the 2nd step, in the image source that execution can show in projector 100, to the remaining image source beyond the image source, sequence detection picture signal according to the rules have or not process till detecting picture signal.
And then, in step S20 as the 2nd step, detecting under the situation of picture signal, beginning is based on the demonstration of this image source, once all do not detecting under the situation of picture signal, purport is presented on the searching screen for the information that does not detect picture signal, therefore, the image source search support method performed according to projector 100, under the situation that all image sources all can not be used, because picture signal does not once all detect, so purport is presented on the searching screen for the information that does not detect picture signal.
Thereby, according to the image source search support method of projector 100, under the situation that all image sources all can not be used, can allow the user see this purport.In addition, this search support method is carried out " picture search program " by projector 100 and is realized.
Thereby, can provide a kind of under the situation that all image sources all can not be used, can allow the user see " the picture search program " of this purport.
(execution mode 2)
" the 2nd image source search form "
Figure 11～Figure 13 is the figure that is illustrated in display frame one example in the execution mode 2.Figure 11 be with execution mode 1 in the corresponding figure of Fig. 3, Figure 12 be with execution mode 1 in the corresponding figure of Fig. 7, Figure 13 be with execution mode 1 in the corresponding figure of Fig. 9.
The search support method of the image source of execution mode 2, be supposed in the process of using projector, the search support method of the image source when carrying out the search of other image sources different with the image source of using.
The formation of projector and to be stored in control program in the storage part 66 etc. identical with the projector 100 of execution mode 1.
At this, be the center with Fig. 2, suitable utilize Fig. 1 and Figure 11～Figure 13, illustrate with execution mode 1 in the different place of explanation.
In step S11, show the image as shown in Figure 11 that constitutes by picture signal as initial picture from image source " Computer 1 ".In addition, by the image that image source " Computer 1 " constitutes, represent with dot pattern for simplicity.
In step S13, control part 66, generating expression and the corresponding image parent name of initial input terminal and comprise purport by picture signal correction portion 61 is the picture signal of searching screen of demonstration that the input of picture signal is arranged, and this image of projection.
In step S24, on the background of " searching screen ", demonstrate the image of image source " Computer 1 " as shown in figure 12." searching screen " is set to than little by the image of representing from the picture signal of image source " Computer1 ".
In step S25, when not making the selection operation of image source at the appointed time, as shown in figure 13 in step S28, the picture of displayed map image source " Computer 1 ".
The search support method of the image source of execution mode 2 is except above-mentioned aspect, identical with the search support method of the image source of execution mode 1.
As mentioned above, if adopt present embodiment, then except the effect of execution mode 1, can also obtain following effect.
(1) input of initial input terminal is being had under the situation of picture signal, control part 66, when remote controller 54 is made search operation, with the search operation corresponding action of each one before, generate expression and the corresponding image parent name of initial input terminal by picture signal correction portion 61, with comprising purport is the picture signal of searching screen of demonstration with input of picture signal, so, projector 100, even have under the situation of picture signal in input on the initial input terminal, also after being presented at this purport on the searching screen, further search provides other image source of picture signal again.
Thereby projector 100 has under the situation of picture signal even import on to the initial input terminal, also can be after being presented at this purport on the searching screen, and further search provides other image source of picture signal again.
(2) when on the input terminal beyond the initial input terminal, not having the input of picture signal, control part 66, when selecting the initial input terminal by input selector 56, will be by picture signal correction portion 61 than the little searching screen of image that constitutes by picture signal from the input of initial input terminal, overlap on the picture signal of initial input terminal input with the stipulated time, so, projector 100, finish hunting action, with the image that is made of the picture signal from initial input terminal input is background, therein searching screen is shown the stipulated time.
Thereby projector 100 by the image that is made of the picture signal from the input terminal of background, allows the user see from the corresponding image source input of initial input terminal picture signal being arranged, and can show searching screen simultaneously.When further passing through official hour, because the overlapping end of searching screen, so can only show the image that constitutes by picture signal from the input of initial input terminal.
(execution mode 3)
" the search form of the 3rd image source "
Figure 14 is the flow chart of search support method of the image source of expression execution mode 3.Figure 15 is the figure of display frame one example in the expression execution mode 3.
The projector 100 of the formation of projector and execution mode 1 is identical.
The projector 100 of execution mode 3, " the picture search program " that only be stored in the storage part 66 constitutes for the program different with execution mode 1.
At this, be the center with Figure 14, aptly with reference to Figure 13, Figure 15 etc., the form of search of the image source of projector 100 is described.
Because the operation of " power knob " of remote controller 54 is made, thus from operation acceptance portion 55 to control part 66 operation signal.The control part 66 that receives operation signal makes each starting, carries out initialization.Control part 66 is selected as the input terminal T1 that gives tacit consent to input terminal by input selector 56.At this moment, suppose from image source " Computer 1 " output image signal not.
In step S31, control part 66, because according to identification signal from identification part 57, not from the corresponding image source of input terminal T1 " Computer 1 " received image signal, so generate the picture signal of " spare picture " of presentation graphs 3 and this image of projection by picture signal correction portion 61.On " spare picture ", show the information of " not received image signal ".
In step S32, control part 66 receives owing to operated " the picture search button " of operating portion 53 and from the operation signal that operation acceptance portion 55 sends, carries out " the picture search program " of storage part 67.The action of each one in each following step is a benchmark with " picture search program ".In addition, control part 66, in the moment that the picture search operation is finished, the input terminal that input selector 56 is selected is stored in the storage part 67 as the initial input terminal.
In step S33, control part 66 generates the picture signal of representing " searching screen " shown in Figure 4, this image of projection by picture signal correction portion 61.In " searching screen " of Fig. 4, demonstrate expression does not have received image signal from image source " Computer 1 " " nothing " such information.
In step S34, the input terminal of next selecting sequence of the input terminal that control part 66 selection input selectors 56 are selected.The selecting sequence of input terminal is with " input terminal T1 " → " input terminal T2 " → " input terminal T3 " → " input terminal T4 " → " input terminal T1 " ... this mode circulates.
In step S35, control part 66, with identification part 57 confirm from the having or not of the picture signal of the corresponding image source of selected input terminal in step S34.And then the information that has or not with the picture signal of each image source of being confirmed comprises search order and is stored in together in the storage part 67.
In addition, in each step, control part 66 is consistently upgraded " searching screen " and search condition one by one by picture signal correction portion 61." searching screen " of Fig. 5 be confirming from the picture that has or not of the picture signal of the corresponding image source of input terminal T2 " Computer2 ".The information that on this picture, shows the purport of " just at the searching image signal ".
In step S36, control part 66 confirms whether all input terminal T1～T4 have been carried out the search of picture signal.Under the situation that the search to all input terminals finishes, enter step S37.Under the situation of the input terminal of also not searching for, return step S34.
In step S37, control part 66 generates the picture signal of expression Figure 15 " searching screen " and this image of projection by picture signal correction portion 61.In " searching screen " of Figure 15, guide look is presented at the having or not of input of the picture signal in all image sources.In addition, the information that shows " please manually selecting image source ".
In step S38, control part 66 has confirmed whether to make the operation of " the source selector button " of operating portion 35 or remote controller 54 according to from the having or not of the operation signal of operation acceptance portion 55.Under the situation that the operation signal of selecting image source is arranged, enter step S41.Under the situation of the operation signal of not selecting image source, enter step S39.
In step S39, control part 66, whether " searching screen " of confirming to show Figure 15 in step S37 has passed through official hour afterwards.Under the situation of having passed through official hour, enter step S40.Do not reaching under the situation of official hour, returning step S37, continuing the demonstration of " searching screen ".By the way, official hour is about 10 seconds.
In step S40, control part 66 is read " the corresponding input terminal of image source of picture signal being arranged with initial affirmation " from storage part 67 when closing " searching screen " by picture signal correction portion 61, and selected by input selector 56.Under the situation of Figure 15 " searching screen ", selected to have the sub-T2 of image source " Computer 2 " corresponding input end of picture signal with initial affirmation.Thus, projection is by the image that constitutes from the picture signal of " Computer 2 " shown in Figure 8.
In addition, Search Results in step S37, as shown in Figure 7 all unconfirmed under the situation of picture signal on all image sources, control part 66, when closing " searching screen " by picture signal correction portion 61, from storage part 67, read the information of initial input terminal, select this input terminal by input selector 56.
Then, in step S38, the situation of selection operation that image source is arranged is described.
In step S41, control part 66 is selected and the corresponding input terminal of selecting in step S38 of image source by input selector 56 when closing " searching screen " by picture signal correction portion 61.
And projector 100 even have under the situation of picture signal in input on the initial input terminal, also can carry out same search.For the hunting action that has in input on the initial input terminal under the situation of picture signal, below the part that they are different with above-mentioned explanation only is described.
In step S31, show the image as shown in figure 11 that constitutes by picture signal as initial picture from image source " Computer 1 ".
In step S33, control part 66, being generated expression and the corresponding image parent name of initial input terminal and included purport by picture signal correction portion 61 is the picture signal of searching screen of demonstration with input of picture signal, and this image of projection.
In step S37, the image of displayed map image source on the background of " searching screen " " Computer 1 ".
As mentioned above, if adopt present embodiment then can obtain following effect.
(1) control part 66, when operating portion 53 is made search operation, then when selecting input terminal in order by input selector 56, each input terminal of being selected by identification part 57 is confirmed the having or not of input of picture signal, the DISPLAY ORDER that has or not that to be represented the picture signal of each input terminal of being confirmed by picture signal correction portion 61 appends on searching screen, having or not of the picture signal of affirmation on all input terminals, so, projector 100 is having or not to append and be presented on the searching screen the picture signal of each input terminal one by one on one side, having or not of the picture signal of one side affirmation in all input terminals, and guide look is presented on the searching screen.
Thereby, projector 100 can allow the user one by one each image source be seen one by one the affirmation situation of picture signal, and then show the searching screen that has or not of the picture signal of all input terminals by guide look, can allow the user know Search Results expeditiously.In addition, because be presented at having or not of picture signal in all image sources with searching screen guide look, so under the situation that confirm a plurality of image sources that picture signal arranged, the user can therefrom select desirable image source, so the convenience height of projector 100.
Thereby projector 100 is when can searching for the image source of output image signal expeditiously, even all not under the situation of received image signal, also can allow the user see its purport from all image sources.
(2) picture signal in having carried out all input terminals have or not affirmation after, under the situation of the operation of the image source that in official hour, operating portion 53 do not made one's options, control part 66 is when closing searching screen by picture signal correction portion 61, select the initial input terminal of confirming to have picture signal with input selector 56, so, projector 100 shows by from the image that has the picture signal of the corresponding image source of input terminal of picture signal to constitute with initial affirmation when closing searching screen.
Thereby projector 100 can search for output expeditiously the image source of picture signal, and can show the image that is made of the picture signal from this image source automatically.
(3) projector 100, even have under the situation of picture signal in input on the initial input terminal, also can have the situation of picture signal the same with input not, carry out hunting action, can access and import effect the same when picture signal is arranged on the initial input terminal.
And the present invention is not limited to above-mentioned execution mode, can add various changes and improvement in the above-described embodiment.Variation below is described.
(variation 1)
Illustrate with Fig. 1.In the respective embodiments described above, illustrated that projector 100 has used the board-like projection type projector of liquid crystal 3 of 3 liquid crystal light valve 52R, 52G, 52B as optical modulation element, but be not limited to this.
For example, the formation of projector also can use the chromatic filter with the red, green, blue look to be configured to clathrate regularly, with the liquid crystal light valve of the one-board of 1 light modulated that just can penetrate full color.In addition, also can use the structure of reflection-type liquid-crystal display device, inclined mirror equipment.
Even these constitute, also can obtain and above-mentioned execution mode and the same action effect of variation.
(variation 2)
Illustrate with Fig. 1.In execution mode and variation, illustrated that search support method with image source of the present invention is adapted to the example in the projector 100 of front projection type, but the present invention is not limited to this, also goes for projection TV set, liquid crystal TV set, plasma TV, CRT television set, PC monitor, OLED display and other various image display devices of rear projection type.
(variation 3)
Illustrate with Fig. 1.In above-mentioned execution mode and distortion example,, be that example has illustrated the present invention with " Computer 1 ", " Computer 2 ", " S-Video ", " Video " these 4 kinds, but the present invention is not limited to this as image source.For example, can be further to add " component vide " and " digital video " as image source, by setting up and their corresponding input terminal, analog D-sub 15 pin terminals; The structure of IEEE1394 (Institute of Electrical and ElectronicEngineers 2394) terminal.
In addition, even use to adopt under the situation of image source of communicator of image source beyond these and internet etc., also can obtain and above-mentioned execution mode and the same effect and the effect of distortion example.

Claims (6)

1. image display device, it is that the image that will represent with picture signal is presented at the image display device on the display part, it is characterized in that possessing:
The above-mentioned picture signal that will provide from a plurality of image sources a plurality of input terminals by above-mentioned each picture signal input are provided;
From a plurality of above-mentioned input terminals, select the input selector of the input terminal of regulation;
Whether the input terminal identification of being selected by above-mentioned input selector is imported the identification part of above-mentioned picture signal;
Acceptance is used for whether each search of above-mentioned a plurality of input terminals is imported the operating portion of the search operation of above-mentioned picture signal;
The picture signal correction portion that the searching screen of expression and the search condition of corresponding each the image parent name of above-mentioned each input terminal is generated as picture signal;
According to search operation, on above-mentioned display part, carry out control part at least by the demonstration that constitutes of picture signal of the above-mentioned searching screen of expression to aforesaid operations portion; Wherein
Above-mentioned control part, when search operation is made by aforesaid operations portion, in the above-mentioned input terminal all by above-mentioned input selector selective sequential, above-mentioned selected each input terminal is confirmed the having or not of input of above-mentioned picture signal by above-mentioned identification part, the demonstration that has or not of the above-mentioned picture signal of above-mentioned each input terminal of confirming of expression is appended on above-mentioned searching screen in proper order by above-mentioned picture signal correction portion, confirm the having or not of above-mentioned picture signal of all above-mentioned input terminals.
2. image display device as claimed in claim 1, it is characterized in that: after the affirmation that has or not of the above-mentioned picture signal of having carried out all above-mentioned above-mentioned input terminals, under the situation of the operation of the image source that in official hour, aforesaid operations portion do not made one's options, above-mentioned control part, when closing above-mentioned searching screen, select to have confirmed at first the input terminal of picture signal by above-mentioned input selector by above-mentioned picture signal correction portion.
3. image display device as claimed in claim 1 or 2, it is characterized in that: carry out undertaken by above-mentioned identification part to the above-mentioned picture signal of above-mentioned selected each input terminal have or not identification during, above-mentioned control part, making purport by above-mentioned picture signal correction portion is that the demonstration of searching for above-mentioned picture signal overlaps on the above-mentioned searching screen.
4. image display device as claimed in claim 1 or 2, it is characterized in that: be closed in above-mentioned searching screen, by with the action of corresponding each one of above-mentioned search operation or above-mentioned input terminal that the selection operation of aforesaid operations portion is selected by above-mentioned input selector on do not import under the situation of above-mentioned picture signal, above-mentioned control part, generate the picture signal of the picture of the title of the above-mentioned selected image source of expression and the purport that demonstration does not have received image signal by above-mentioned picture signal correction portion, and it is presented on the above-mentioned display part.
5. image display device as claimed in claim 1 or 2 is characterized in that: above-mentioned image display device is to become the projector that also uses the above-mentioned light modulated of projecting lens enlarging projection with the corresponding light modulated of above-mentioned picture signal by the light modulation that optical modulation element sends light source portion.
6. search support method, it is supported the search of the above-mentioned picture signal that provides from a plurality of image sources in the image that will represent with picture signal is presented at image display device on the display part, it is characterized in that possessing:
Acceptance is used for whether each search of a plurality of input terminals is imported the step of the search operation of above-mentioned picture signal, and wherein, the above-mentioned picture signal that above-mentioned a plurality of input terminals are used for providing from above-mentioned a plurality of image sources is imported;
The step that the searching screen of expression and the search condition of corresponding each the image parent name of above-mentioned each input terminal is generated as picture signal;
Corresponding to above-mentioned search operation, on above-mentioned display part, carry out step at least by the demonstration that constitutes of picture signal of the above-mentioned searching screen of expression;
Select the step of above-mentioned a plurality of input terminals successively;
Whether above-mentioned selected input terminal identification is imported the step of above-mentioned picture signal;
The DISPLAY ORDER that has or not of the above-mentioned picture signal of above-mentioned each input terminal of confirming of expression is appended step on above-mentioned searching screen.
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