JP2011039216A - Image display device, projector, and control method of image display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image display device enabling a user to edit and display a file. <P>SOLUTION: The image display device (projector 1) includes a remote operation device (remote controller 200). A device body 100 includes a storage medium reading section 131 reading a file from a storage medium 300, a first transmission section 124 transmitting the file, a first receiving section 125 receiving image data, and a first display section (image projection section 110) displaying the image data. The remote control device includes a second receiving section 224 receiving the file, an application storage section 223 storing an application program 223a, a data processing section (second data processing section 222) for running the application program and editing the file, a second display section (display device 232) displaying the content of the file, an input operation section (touch panel 231) receiving editing operations, and a second transmission section 225 transmitting the image data of the second display section. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an image display device, a projector, and a control method for the image display device.

  Conventionally, a presenter sometimes gives a presentation while connecting a personal computer and a projector and projecting image data based on the contents of a file opened on the personal computer. In such a case, the presenter can perform editing operations such as adding or deleting characters or figures to the file with a personal computer, and project the image data based on the contents of the edited file on the projector. It was possible.

  In recent years, there has been known a projector capable of projecting image data stored in a storage medium by storing the image data in a storage medium such as a USB (Universal Serial Bus) memory and mounting the storage medium on the projector. It has been. According to such a projector, there is no need to carry or install a personal computer in the presentation hall, and thus there is an advantage of high convenience. However, when projecting image data stored in a storage medium in this way, editing operations such as adding or deleting characters or graphics to the image data while projecting with the projector cannot be performed. There was a problem.

  Patent Document 1 discloses a projector having a touch screen, in which an image is displayed on the touch screen, an image that clearly indicates a touch-operated position is combined with an input image, and the image is projected. . In addition, the projector disclosed in Patent Document 1 includes a drawing memory that stores a trajectory of a touch operation, and can project an image by combining the trajectory with an input image. According to such a projector, the input image can be overwritten with the memo written by the touch operation and projected.

JP 2008-122650 A

  However, the projector described in Patent Document 1 can project the image data of the input image by overwriting a memo or the like, but projects an image based on the contents of a file including editable characters and figures. In this case, an editing operation on the file, that is, an operation such as adding or deleting a character or a figure is impossible, and an image after the editing operation cannot be displayed.

  SUMMARY An advantage of some aspects of the invention is to solve at least a part of the problems described above, and the invention can be implemented as the following forms or application examples.

  Application Example 1 An image display device according to this application example is an image display device including a remote operation device for remotely operating the device body, and the device body reads a file stored in a storage medium. A storage medium reading unit; a first transmission unit that transmits the file read by the storage medium reading unit to the remote operation device; a first reception unit that receives image data from the remote operation device; and the first reception. A first display unit that displays an image based on the image data received by the unit, wherein the remote control device receives the file transmitted from the device main body, and the file An application storage unit that stores an application program that enables browsing and editing, and the application program stored in the application storage unit is operated A data processing unit for opening the file; a second display unit for displaying an image based on the contents of the file; an input operation unit for accepting an operation for browsing or editing the file; and the second display unit. And a second transmission unit that transmits the image data corresponding to the image displayed by the apparatus main body.

  According to such an image display apparatus, the storage medium reading unit included in the apparatus main body reads a file stored in the storage medium. The first transmission unit transmits the file to the remote control device. The first receiving unit receives image data from the remote control device. The first display unit displays an image based on the received image data. The second receiving unit included in the remote control device receives a file transmitted from the device main body. The application storage unit stores an application program that enables browsing and editing of files. The data processing unit operates the application program to open the file. The second display unit displays an image based on the contents of the file. The input operation unit accepts an operation for browsing and editing a file. The second transmission unit transmits image data corresponding to the displayed image to the apparatus main body. That is, the apparatus main body transmits a file read from the storage medium to the remote operation apparatus, and the remote operation apparatus can browse and edit the file by the application program. Then, the remote control device transmits image data corresponding to the displayed image to the device main body. The apparatus main body displays an image based on the received image data. Thereby, the image display apparatus can browse and edit the file stored in the storage medium without using a personal computer or the like. And since the image display apparatus can display the image after editing etc., it is highly convenient. Further, since the user can perform a presentation or the like while editing using a remote control device at a position away from the apparatus main body, convenience is improved.

  Application Example 2 In the image display device according to the application example described above, when a predetermined input operation is performed on the input operation unit included in the remote operation device, the second transmission unit is edited by the application program. The edited file is transmitted to the apparatus main body, the first receiving unit of the apparatus main body receives the edited file sent from the second transmission unit, and the apparatus main body is stored in the storage medium. A storage medium writing unit for storing the edited file is provided.

  According to such an image display device, when a predetermined input operation is performed on the input operation unit of the remote control device, the second transmission unit transmits the edited file that has been edited to the apparatus main body. The first receiving unit included in the apparatus main body receives the edited file. The storage medium writing unit included in the apparatus main body stores the edited file in the storage medium. In other words, the image display device can store the edited file edited by the user in the storage medium. Thereby, the image display apparatus is useful because it can read and display the edited file again after storing the edited file.

  Application Example 3 In the image display device according to the application example described above, the second display unit and the input operation unit included in the remote operation device are configured by a touch screen.

  According to such an image display device, a file opened by an application program can be displayed using a touch screen, and can be browsed or edited. This improves the operability of the remote control device.

  Application Example 4 A projector according to this application example includes a remote operation device for remotely operating the apparatus main body, a light source, and light that forms an image by modulating light emitted from the light source based on image information. An image projection unit having a modulation device and a projection optical system that projects the image formed by the light modulation device, wherein the device body stores a file stored in a storage medium. A storage medium reading unit for reading; a first transmission unit for transmitting the file read by the storage medium reading unit to the remote operation device; a first reception unit for receiving image data from the remote operation device; An image projection unit that projects an image based on the image data received by the reception unit, and the remote operation device receives a second transmission unit that receives the file transmitted from the device body; An application storage unit that stores an application program that enables browsing and editing of the file, a data processing unit that opens the file by operating the application program stored in the application storage unit, and the contents of the file A second display unit that displays an image based on the image, an input operation unit that receives an operation for browsing or editing the file, and the image data corresponding to the image displayed by the second display unit. And a second transmitter for transmitting to the apparatus main body.

  According to such a projector, the device main body transmits a file read from the storage medium to the remote operation device, and the remote operation device can view and edit the file by the application program. . Then, the remote operation device transmits an image corresponding to the content of the displayed file as image data to the device main body. The apparatus main body projects an image based on the received image data. As a result, the projector can view and edit the file stored in the storage medium without using a personal computer or the like. And since the projector can project the image after editing etc., it is highly convenient.

  Application Example 5 An image display apparatus control method according to this application example includes an application storage unit that stores an application program that enables file browsing and editing, and a remote operation device for remotely operating the apparatus main body. A method of controlling an image display device comprising: a file reading step in which the device main body reads a file stored in a storage medium; and a first transmission in which the device main body transmits the file to the remote control device. A second receiving step in which the remote operation device receives the file transmitted from the device main body, the remote operation device operates the application program stored in the application storage unit, and A data processing step for opening a file, and the remote control device includes an image based on the contents of the file A second display step for displaying, an input operation receiving step for the remote operation device to accept an operation for browsing or editing the file, and the remote operation device are displayed by the second display step. A second transmission step of transmitting image data corresponding to an image to the apparatus main body, a first reception step in which the apparatus main body receives the image data from the remote control device, and the apparatus main body in the first reception. A first display step of displaying an image based on the image data received in the step.

  According to such a control method of the image display device, the device main body transmits the file read from the storage medium to the remote operation device, and the remote operation device can view and edit the file by the application program. It is possible. Then, the remote operation device transmits an image corresponding to the content of the displayed file as image data to the device main body. The apparatus main body displays an image based on the received image data. As a result, the image display apparatus can view and edit the file stored in the storage medium without using a personal computer or the like. And since the image display apparatus can display the image after editing etc., it is highly convenient.

  Further, when the above-described image display device and the control method of the image display device are constructed using a computer provided in the image display device, the above form and the application example are for realizing the function. It is also possible to configure in the form of a program or a recording medium that records the program so as to be readable by the computer. Recording media include flexible disks, hard disks, CD-ROMs (Compact Disk Read Only Memory), DVDs (Digital Versatile Disks), magneto-optical disks, nonvolatile memory cards, projector internal storage devices (RAM (Random Access Memory)), Various media that can be read by the computer such as a ROM (semiconductor memory such as a read only memory) and an external storage device (such as a USB memory) can be used.

FIG. 2 is a diagram illustrating an apparatus main body and a remote controller of the projector according to the embodiment. 1 is a block diagram showing a schematic configuration of a projector. The state transition diagram of an apparatus main body. 10 is a flowchart of processing in a normal projection state of the apparatus main body. The flowchart of the process in the edit projection state of an apparatus main body. The state transition diagram of a remote control. The flowchart of the process in the file reception waiting state of a remote control. The flowchart of the process in the edit state of a remote control.

  Hereinafter, embodiments will be described.

(Embodiment)
In this embodiment, as an embodiment of an image display device, a remote controller (hereinafter referred to as “remote controller”) as a remote operation device, and an apparatus main body that projects an image based on image data and displays it on an external screen or the like A projector having the above will be described.

FIG. 1 is a diagram illustrating a projector main body and a remote controller according to the present embodiment. Here, the apparatus main body 100 is shown as viewed from the back. Further, the remote controller 200 is viewed from the front.
As shown in FIG. 1, the apparatus main body 100 is provided with a first input operation unit 121 having a plurality of operation keys on an upper surface 100t of a box-shaped housing 100k. A storage medium mounting unit 130 is provided on the back surface 100b of the housing 100k, and the storage medium 300 is mounted on the storage medium mounting unit 130.
The remote control 200 has a form having a touch screen 230 capable of displaying images and performing touch operations. The remote controller 200 includes a key input operation unit 221 having a plurality of operation keys. Further, the remote control 200 is attached with a touch pen 200 a for operating the touch panel 231 of the touch screen 230.

  The remote controller 200 can transmit image data corresponding to the image GP displayed on the touch screen 230 to the apparatus main body 100. Further, the apparatus main body 100 can project the image GS on the screen SC based on the image data received from the remote controller 200.

  FIG. 2 is a block diagram illustrating a schematic configuration of the projector 1 according to the present embodiment. The internal configuration of the projector 1 will be described with reference to FIG.

The projector 1 includes an apparatus main body 100 and a remote controller 200.
The apparatus main body 100 includes an image projection unit 110 as a first display unit, a first control unit 120, a first input operation unit 121, a first data processing unit 122, a light source control unit 123, a first transmission unit 124, and a first reception. Unit 125, storage medium mounting unit 130, storage medium reading unit 131, image processing unit 132, storage medium writing unit 141, and the like.
The remote controller 200 includes a second control unit 220, a key input operation unit 221, a second data processing unit 222 as a data processing unit, an application storage unit 223, a second reception unit 224, a second transmission unit 225, a touch screen 230, and the like. I have.

First, the apparatus main body 100 will be described.
The image projection unit 110 includes a light source 111 including a discharge light source such as an ultra-high pressure mercury lamp and a metal halide lamp, and a solid light source such as an LED (Light Emitting Diode), a liquid crystal light valve 112 as a light modulation device, and a projection optical system. Projection lens 113 and a light valve driving unit 114 for driving the liquid crystal light valve 112.

  The liquid crystal light valve 112 is configured by a transmissive liquid crystal panel in which liquid crystal is sealed between a pair of transparent substrates. When a driving voltage corresponding to image information is applied to each pixel of the liquid crystal light valve 112 by the light valve driving unit 114, each pixel transmits light source light with a light transmittance corresponding to the image information.

  The light emitted from the light source 111 is modulated by passing through the liquid crystal light valve 112, and the modulated light is projected by the projection lens 113, whereby an image corresponding to the image information is displayed on the screen SC or the like. The

  The first control unit 120 includes a CPU (Central Processing Unit), a RAM used for temporary storage of various data, and a non-volatile memory such as a mask ROM, flash memory, and FeRAM (Ferroelectric RAM). (Both not shown) and function as a computer. The first control unit 120 performs overall control of the operation of the projector 1 by the CPU operating according to a control program stored in a nonvolatile memory.

  The first input operation unit 121 includes a plurality of keys for receiving various input operations on the apparatus main body 100. The keys provided in the first input operation unit 121 include a “power key” for turning on / off the power, an “edit display key” for editing and displaying a file with the remote controller 200, and various settings. There are a “menu key” for switching display / non-display of the menu screen, a “cursor key” used for moving the cursor on the menu screen, a “decision key” for determining various settings, and the like. When the user operates the first input operation unit 121, the first input operation unit 121 outputs an operation signal corresponding to the operation content of the user to the first control unit 120.

  The first data processing unit 122 performs file and image data input / output processing, transmission / reception control, and the like based on an instruction from the first control unit 120. The first data processing unit 122 inputs a file from the storage medium reading unit 131 and issues an instruction to the first transmission unit 124 to cause the remote control 200 to transmit the file. The first data processing unit 122 also receives the image data received by the first receiving unit 125 from the remote controller 200 and outputs the image data to the image processing unit 132. Further, the first data processing unit 122 causes the edited file received by the first receiving unit 125 to be written to the storage medium 300 via the storage medium writing unit 141. In addition, the first data processing unit 122 issues a notification for state transition to the first control unit 120.

  The light source control unit 123 controls the supply and stop of power to the light source 111 based on an instruction from the first control unit 120 to switch the light source 111 on and off.

  The first transmission unit 124 is a transmission unit of communication means using infrared communication. Specifically, the communication means conforms to the IrDA (Infrared Data Association) standard. The first transmission unit 124 transmits a signal based on the contents of the file read from the storage medium reading unit 131 to the remote controller 200 based on an instruction from the first data processing unit 122.

  The first receiving unit 125 is a receiving unit of communication means compliant with the IrDA standard. The first receiving unit 125 receives a signal based on image data or an edited file transmitted from the remote controller 200. The received image data and edited file are output to the first data processing unit 122.

  The storage medium mounting unit 130 is a mounting unit having a connector for connecting the storage medium 300. When the storage medium 300 is attached to the storage medium attachment unit 130, the storage medium 300 and the apparatus main body 100 are electrically connected. The apparatus main body 100 can read and write files, image data, and the like from the storage medium 300. In the present embodiment, the storage medium 300 is a USB storage such as a USB memory, a memory card, or the like, but is not limited thereto.

  The storage medium reading unit 131 reads image data and files stored in the storage medium 300 attached to the storage medium attachment unit 130 based on an instruction from the first control unit 120. The storage medium reading unit 131 outputs the read data to the image processing unit 132 if the read data is image data, and outputs it to the first data processing unit 122 if the read data is a file. The file is opened by the application program 223a stored in the application storage unit 223 included in the remote controller 200, and has a file format that can be viewed and edited. In the present embodiment, the file is document data generated by an application program such as PowerPoint of Microsoft Corporation (registered trademark), Word, Excel, text data, or the like. Note that the file is not limited to the document data generated by the above-described application program, and may be generated by another application program.

  The image processing unit 132 converts the image data input from the storage medium reading unit 131 or the first data processing unit 122 into image information capable of image processing based on an instruction from the first control unit 120. The image information is subjected to various image quality adjustments such as adjustment of brightness, contrast, sharpness, hue, and gamma correction. Further, the image processing unit 132 performs processing for superimposing an OSD (on-screen display) image on the image information as necessary. The image processing unit 132 outputs the image information subjected to such adjustment and processing to the light valve driving unit 114.

  When the light valve driving unit 114 drives the liquid crystal light valve 112 according to the image information input from the image processing unit 132, the liquid crystal light valve 112 forms an image corresponding to the image information, and this image is projected from the projection lens 113. Is done.

  The storage medium writing unit 141 writes a file to the storage medium 300 attached to the storage medium attachment unit 130 based on an instruction from the first data processing unit 122.

Next, the remote controller 200 will be described.
The second control unit 220 includes a CPU, a RAM used for temporary storage of various data, and a non-volatile memory such as a mask ROM, flash memory, and FeRAM (all not shown), and functions as a computer. Is. The second control unit 220 performs overall control of the operation of the remote controller 200 when the CPU operates according to a control program stored in a non-volatile memory.

  The key input operation unit 221 includes a plurality of keys for accepting various key input operations on the remote controller 200. Keys provided in the key input operation unit 221 include a “remote control power key” for turning on / off the remote controller 200, a “main body power key” for turning on / off the apparatus body 100, and the like. is there. When the user operates the key input operation unit 221, the key input operation unit 221 outputs an operation signal corresponding to the operation content of the user to the second control unit 220. The second control unit 220 controls the remote controller 200 according to the operation signal, or transmits an operation signal to the apparatus main body 100 via the second data processing unit 222 and the second transmission unit 225.

  The second data processing unit 222 includes a memory 222a for temporarily storing and editing files and image data. Based on instructions from the second control unit 220, input / output processing of files and image data And transmission / reception control. Further, the second data processing unit 222 performs file editing processing or displays the file on the display device 232 based on an instruction from the second control unit 220.

  Specifically, the second data processing unit 222 inputs the file received by the second receiving unit 224, opens the file based on the application program 223a stored in the application storage unit 223, and displays the touch screen 230. 232 displays the image. Then, the second data processing unit 222 edits the file based on an instruction from the second control unit 220. The second data processing unit 222 converts the image displayed on the display device 232 into image data (display update image data described later), and transmits the image data to the apparatus main body 100 via the second transmission unit 225. In addition, the second data processing unit 222 issues a notification for state transition to the second control unit 220.

  The application storage unit 223 is configured by a nonvolatile memory. The application storage unit 223 stores an application program 223a that enables browsing and editing of files. The application program 223a is read by the second data processing unit 222, expanded in the memory 222a, and used for browsing and editing files. In this embodiment, the application program 223a is a Microsoft Corporation (registered trademark) PowerPoint, Word, Excel, a text editor, or the like. The application program 223a is not limited to this.

  The second receiving unit 224 is a receiving unit of communication means compliant with the IrDA standard. The second receiving unit 224 receives a signal based on the file transmitted from the apparatus main body 100. The received file is output to the second data processing unit 222.

  The second transmission unit 225 is a transmission unit of communication means compliant with the IrDA standard. The second transmission unit 225 transmits a signal based on image data (display update image data) or an edited file to the apparatus main body 100 based on an instruction from the second data processing unit 222.

The touch screen 230 includes a display device 232 as a second display unit that displays an image, and a touch panel 231 fixed on the display device 232. The display device 232 is connected to the second data processing unit 222, and the touch panel 231 is connected to the second control unit 220.
The display device 232 includes a liquid crystal panel in which liquid crystal is sealed between a pair of transparent substrates, a drive unit (not shown) that drives the liquid crystal panel, and the like. Transparent electrodes (pixel electrodes) to which a drive voltage can be applied for each minute region (pixel) are formed in a matrix in a rectangular region (display region).

  The second data processing unit 222 opens the file received by the second reception unit 224 by the application program 223a, and generates image display data to be displayed in the display area of the display device 232 based on the contents of the file. . Display data of the generated image is output to the display device 232 in units of frames. The display device 232 displays an image based on the display data of this image.

  The touch panel 231 includes a light-transmitting lower (display device 232) substrate such as glass and transparent plastic, and a light-transmitting and flexible upper substrate (both not shown) such as a plastic film. It is a resistive film type touch panel arranged to face each other with a predetermined interval, and a transparent electrode is formed on the inner surface of each substrate over almost the entire surface. The upper substrate of the touch panel 231 is provided with a rectangular region (operation region) for performing a touch operation (pressing operation). When the user performs a touch operation in the operation region with a finger or the touch pen 200a, the upper substrate is bent. The upper and lower transparent electrodes are in contact with each other, and a signal (detection signal) corresponding to the contact position (operation position) is output to the second control unit 220.

  Here, the display area of the display device 232 and the operation area of the touch panel 231 are set to the same shape and size, and the operation area and the display area of the display device 232 are viewed from above on the touch panel 231. The display device 232 is fixed so as to match. Therefore, the user can instruct a desired position of the image displayed in the display area by a touch operation. Note that the touch panel 231 is not limited to the resistive film type, and another type of touch panel such as a capacitance type can also be used.

  In the present embodiment, the user can open a file by the application program 223a or edit a file displayed on the display device 232 by performing a touch operation on the touch panel 231. The touch panel 231 accepts an image transmission operation for transmitting image data (display update image data) and an editing end operation for ending editing. In the present embodiment, the touch panel 231 corresponds to the input operation unit.

  Next, the state transition of the apparatus main body 100 of the projector 1 will be described. FIG. 3 is a state transition diagram of the apparatus main body 100 according to the present embodiment. As shown in FIG. 3, the apparatus main body 100 can transition to a normal projection state ST10 and an edit projection state ST11.

  When the apparatus main body 100 is turned on, the apparatus main body 100 enters the normal projection state ST10. The normal projection state ST10 is a state in which the apparatus main body 100 is projecting an image based on image data input from the storage medium 300, that is, a state in which normal projection is being performed. In the normal projection state ST10, when the edit display key provided in the first input operation unit 121 is pressed and an edit display start operation is performed, the apparatus main body 100 transitions to the edit projection state ST11.

The edit projection state ST11 is a state in which the apparatus main body 100 projects an image based on a display update image data signal received from the remote controller 200. The display update image data is image data of an image displayed on the display device 232 of the remote controller 200. The user can cause the apparatus main body 100 to project an image similar to the image on the display device 232 by transmitting display update image data from the remote controller 200 at a desired timing.
In the edit projection state ST11, when the edit display key provided in the first input operation unit 121 is pressed and an edit display end operation is performed, the apparatus main body 100 transitions to the normal projection state ST10. When the edited file is received from the remote controller 200, the apparatus main body 100 transitions to the normal projection state ST10.

Next, processing and state transition in each state of the apparatus main body 100 of the projector 1 will be described.
FIG. 4 is a flowchart of processing in the normal projection state ST10 of the apparatus main body 100.

  In the normal projection state ST10, the first control unit 120 determines whether an edit display start operation has been performed by pressing an edit display key provided in the first input operation unit 121 (step S101). When the edit display start operation is performed (step S101: YES), the first control unit 120 instructs the storage medium reading unit 131 to read the file from the storage medium 300, and the first data processing unit. 122 is input (step S102).

  The first control unit 120 instructs the first data processing unit 122 to transmit a file from the first transmission unit 124 to the remote control 200 (step S103). Then, the first control unit 120 changes the apparatus main body 100 to the edit projection state ST11 (step S104). Then, the processing of the apparatus main body 100 in the normal projection state ST10 ends.

  When the edit display start operation has not been performed (step S101: NO), the first control unit 120 determines whether another operation has been performed (step S105). When other operations are performed (step S105: YES), the first control unit 120 performs processing corresponding to the other operations (step S106). Then, the process proceeds to step S101. Here, the other operations refer to operations of various keys provided in the first input operation unit 121 of the apparatus main body 100, operation signals from the remote controller 200, and the like, but description thereof is omitted. Further, in the present embodiment, in the normal projection state ST10, the apparatus main body 100 does not perform the corresponding processing even when display update image data or an edited file is received from the remote controller 200.

  If no other operation is performed (step S105: NO), the process proceeds to step S101.

  FIG. 5 is a flowchart of processing in the editing projection state ST11 of the apparatus main body 100.

  In the edit projection state ST11, the first data processing unit 122 determines whether the first receiving unit 125 has received display update image data from the remote controller 200 (step S201). When the display update image data is received (step S201: YES), the first data processing unit 122 outputs the received display update image data to the image processing unit 132, and the display update image is output from the image projection unit 110. An image based on the data is projected (step S202). Then, the process proceeds to step S201.

  If display update image data has not been received from the remote control 200 (step S201: NO), the first data processing unit 122 determines whether the first reception unit 125 has received an edited file from the remote control 200. (Step S203). When the edited file is received (step S203: YES), the first data processing unit 122 instructs the storage medium writing unit 141 to store the received edited file in the storage medium 300 (step S204). . The first data processing unit 122 then notifies the first control unit 120, and the first control unit 120 causes the apparatus main body 100 to transition to the normal projection state ST10 (step S205). Then, the process of the apparatus main body 100 in the edit projection state ST11 is ended.

  If the edited file has not been received from the remote controller 200 (step S203: NO), the first control unit 120 has pressed the edit display key provided in the first input operation unit 121 and has performed an edit display end operation. It is determined whether or not (step S206). When the edit display end operation is performed (step S206: YES), the process proceeds to step S205, and the first control unit 120 changes the apparatus main body 100 to the normal projection state ST10. Then, the process of the apparatus main body 100 in the edit projection state ST11 is ended.

  If the edit display end operation has not been performed (step S206: NO), the first control unit 120 determines whether another operation has been performed (step S207). When other operations are performed (step S207: YES), the first control unit 120 performs processing corresponding to the other operations (step S208). Then, the process proceeds to step S201. If no other operation is performed (step S207: NO), the process proceeds to step S201.

  As described above, the apparatus main body 100 of the projector 1 can transition between the normal projection state ST10 and the edit projection state ST11.

  Next, state transition of the remote controller 200 of the projector 1 will be described. FIG. 6 is a state transition diagram of the remote controller 200 according to the present embodiment. As shown in FIG. 6, the remote controller 200 can transition to a file reception waiting state ST20 and an editing state ST21.

  The remote controller 200 enters a file reception waiting state ST20 when the power-on operation of the remote controller 200 is performed. The file reception waiting state ST20 is a state in which the remote controller 200 is waiting to receive a file from the apparatus main body 100. When receiving a file from the apparatus main body 100 in the file reception waiting state ST20, the remote controller 200 transitions to the editing state ST21.

  The editing state ST21 is a state in which the remote controller 200 is browsing or editing a file received from the apparatus main body 100. In the editing state ST21, when the remote controller 200 transmits display update image data corresponding to the content of the file being browsed or edited to the apparatus main body 100, the apparatus main body 100 displays an image based on the display update image data. Project. In the editing state ST21, when the remote controller 200 transmits the edited file to the apparatus main body 100, the apparatus main body 100 stores the edited file in the storage medium 300. In the editing state ST21, when an editing end operation is performed by the touch panel 231, the remote controller 200 transitions to a file reception waiting state ST20.

Next, processing and state transition in each state of the remote controller 200 of the projector 1 will be described.
FIG. 7 is a flowchart of processing in the file reception waiting state ST20 of the remote controller 200.

  In the file reception waiting state ST20, the second data processing unit 222 determines whether or not the second reception unit 224 has received a file from the apparatus main body 100 (step S301). When the file is received (step S301: YES), the second data processing unit 222 temporarily stores the received file in the memory 222a (step S302).

  The second data processing unit 222 reads the application program 223a from the application storage unit 223 into the memory 222a and starts it, opens the received file, makes it editable, and displays it on the display device 232 (step S303). Then, the second data processing unit 222 issues a notification to the second control unit 220, and the second control unit 220 causes the remote controller 200 to transition to the editing state ST21 (step S304). Then, the process of the remote controller 200 in the file reception waiting state ST20 is terminated.

  If the file has not been received (step S301: NO), the second control unit 220 determines whether any other operation has been performed (step S305). When another operation is performed (step S305: YES), the second control unit 220 performs processing corresponding to the other operation (step S306). Then, the process proceeds to step S301. If no other operation is performed (step S305: NO), the process proceeds to step S301. Here, the other operations include operations of various keys provided in the key input operation unit 221 of the remote controller 200, touch operations of the touch panel 231, and the like, and the remote controller 200 is controlled based on the operations or the apparatus main body 100 is operated. An operation signal is transmitted, but detailed description is omitted.

  FIG. 8 is a flowchart of processing in the editing state ST21 of the remote controller 200.

  In the editing state ST21, the second data processing unit 222 determines whether an editing operation by a touch operation on the touch panel 231 has been performed (step S401). When an editing operation is performed (step S401: YES), the second data processing unit 222 performs an editing process according to the editing operation by the application program 223a (step S402). Then, the process proceeds to step S401. Here, the editing operation is an editing operation provided by the application program 223a, and includes addition and deletion of characters and graphics to the file, line movement, page movement, and the like.

  If an editing operation has not been performed (step S401: NO), the second data processing unit 222 determines whether an image transmission operation by a touch operation on the touch panel 231 has been performed (step S403). When an image transmission operation is performed (step S403: YES), the second data processing unit 222 uses the image displayed on the display device 232 as display update image data from the second transmission unit 225 to the apparatus main body 100. Transmit (step S404). Then, the process proceeds to step S401.

  If an image transmission operation has not been performed (step S403: NO), the second data processing unit 222 determines whether an editing end operation has been performed by a touch operation on the touch panel 231 (step S405). When the editing end operation is performed (step S405: YES), the second data processing unit 222 uses the image displayed on the display device 232 as display update image data from the second transmission unit 225 to the apparatus main body 100. Transmit (step S406). Furthermore, the second data processing unit 222 causes the second transmission unit 225 to transmit the edited file that has been edited by the application program 223a to the apparatus main body 100 (step S407).

  Then, the second data processing unit 222 issues a notification to the second control unit 220, and the second control unit 220 causes the remote controller 200 to transition to the file reception waiting state ST20 (step S408). And the process of the remote control 200 in edit state ST21 is complete | finished.

  If the editing end operation has not been performed (step S405: NO), the second control unit 220 determines whether another operation has been performed (step S409). When another operation is performed (step S409: YES), the second control unit 220 performs processing corresponding to the other operation (step S410). Then, the process proceeds to step S401. If no other operation is performed (step S409: NO), the process proceeds to step S401. In the present embodiment, the editing end operation using the touch panel 231 corresponds to a predetermined input operation.

  As described above, the remote controller 200 of the projector 1 can transition between the file reception waiting state ST20 and the editing state ST21.

According to the embodiment described above, the following effects can be obtained.
(1) The apparatus main body 100 of the projector 1 transmits a file read from the storage medium 300 to the remote controller 200, and the remote controller 200 can view and edit the file using the application program 223a. When the image corresponding to the content of the file displayed on the remote controller 200 is transmitted to the apparatus main body 100 as display update image data, the apparatus main body 100 projects an image based on the received display update image data. . Thereby, the projector 1 can edit the file stored in the storage medium 300 without using a personal computer or the like, and can project the edited image, which is convenient. high. In other words, there is no need to carry or install a personal computer at the presentation venue. Furthermore, while the editing operation such as adding or deleting characters or figures to the file is performed, the image is projected by the projector 1. Since it can project, an efficient presentation can be performed.

  (2) Since the projector 1 includes the apparatus main body 100 and the remote controller 200, the user can make a presentation using the remote controller 200 at a position away from the apparatus main body 100, and convenience is improved. .

  (3) When the editing end operation is performed, the remote controller 200 of the projector 1 transmits the edited file to the apparatus main body 100. The apparatus main body 100 receives the edited file and stores the edited file in the storage medium 300. That is, the projector 1 can store the edited file that has been edited by the user in the storage medium 300. Accordingly, the projector 1 is useful because it can read and project again after storing the edited file. In addition, since the user can move the edited file stored in the storage medium 300 to another electronic device such as a personal computer, convenience is improved.

  (4) The remote controller 200 of the projector 1 has a touch screen 230. Thus, the user can use the touch screen 230 to display the file opened by the application program 223a for browsing and editing, thereby improving operability.

  In addition, it is not limited to embodiment mentioned above, It is possible to implement by adding various change, improvement, etc. A modification will be described below.

  (Modification 1) In the above embodiment, the edited file is stored in the storage medium 300 attached to the apparatus main body 100. However, the remote controller 200 includes a file storage unit (not shown) formed of a nonvolatile memory. And the edited file may be stored. Then, the second data processing unit 222 may read the edited file from the file storage unit, edit it, or send it to the apparatus main body 100 as display update image data.

  (Modification 2) In the above embodiment, the communication means between the apparatus main body 100 and the remote controller 200 is the infrared communication means conforming to the IrDA standard, but is not limited to this. For example, communication means using radio waves for wireless communication may be used.

  (Modification 3) In the above embodiment, the predetermined input operation is an editing end operation by a touch operation on the touch panel 231. However, the present invention is not limited to this. For example, a key for transmitting the edited file to the key input operation unit 221 may be provided.

  (Modification 4) In the above embodiment, the image data to be projected by the image projection unit 110 is image data input from the storage medium 300 or display update image data received from the remote controller 200. May be provided with an image input terminal (not shown) so that image information can be input from the image input terminal and an image based on the image information can be projected.

  (Modification 5) In the above embodiment, the projector 1 is used as the image display device. However, the file can be read from and written to the storage medium 300, the file can be transmitted to the remote controller 200, and the image data can be read. The present invention can be applied to any image display apparatus having an apparatus main body capable of receiving the above. For example, a rear projector with an integral transmission screen, or a liquid crystal display, plasma display, SED (Surface-Conduction Electron-Emitter Display), organic EL (Electro Luminescence) display, CRT (Cathode Ray Tube) display, etc. It is also possible to apply to.

  (Modification 6) In the above-described embodiment, the transmissive liquid crystal light valve 112 is used as the light modulator, but a reflective light modulator such as a reflective liquid crystal light valve can also be used. In addition, it is possible to use a micromirror array device that modulates light emitted from a light source by controlling the emission direction of incident light for each micromirror as a pixel.

  DESCRIPTION OF SYMBOLS 1 ... Projector, 100 ... Apparatus main body, 100k ... Housing | casing, 110 ... Image projection part, 111 ... Light source, 112 ... Liquid crystal light valve, 113 ... Projection lens, 114 ... Light valve drive part, 120 ... 1st control part, 121 ... 1st input operation part, 122 ... 1st data processing part, 123 ... Light source control part, 124 ... 1st transmission part, 125 ... 1st reception part, 130 ... Storage medium mounting part, 131 ... Storage medium reading part, 132 ... Image processing unit 141 ... Storage medium writing unit 200 ... Remote control 200a ... Touch pen 220 ... Second control unit 221 ... Key input operation unit 222 ... Second data processing unit 222a ... Memory 223 ... Application Storage unit, 223a ... application program, 224 ... second reception unit, 225 ... second transmission unit, 230 ... touch screen, 231 ... touch panel Le, 232 ... display unit, 300 ... storage medium.

Claims (5)

An image display device provided with a remote operation device for remotely operating the device body,
The apparatus main body is
A storage medium reading unit for reading a file stored in the storage medium;
A first transmission unit that transmits the file read by the storage medium reading unit to the remote control device;
A first receiver for receiving image data from the remote control device;
A first display for displaying an image based on the image data received by the first receiver;
Have
The remote control device is:
A second receiving unit for receiving the file transmitted from the apparatus main body;
An application storage unit that stores an application program that enables browsing and editing of the file;
A data processing unit that operates the application program stored in the application storage unit to open the file;
A second display unit for displaying an image based on the contents of the file;
An input operation unit for accepting an operation for browsing and editing the file;
A second transmission unit that transmits the image data corresponding to the image displayed by the second display unit to the apparatus main body;
An image display device comprising: The image display device according to claim 1,
When a predetermined input operation is performed on the input operation unit of the remote operation device, the second transmission unit transmits the edited file edited by the application program to the device body,
The first receiving unit of the apparatus body receives the edited file sent from the second transmitting unit,
The image display apparatus, wherein the apparatus main body includes a storage medium writing unit that stores the edited file in the storage medium. The image display device according to claim 1 or 2,
The image display apparatus, wherein the second display unit and the input operation unit of the remote operation device are configured by a touch screen. A remote operation device for remotely operating the apparatus main body, a light source, a light modulation device that modulates light emitted from the light source based on image information to form an image, and the light modulation device A projection optical system for projecting an image, and an image projection unit having an image projection unit,
The apparatus main body is
A storage medium reading unit for reading a file stored in the storage medium;
A first transmission unit that transmits the file read by the storage medium reading unit to the remote control device;
A first receiver for receiving image data from the remote control device;
The image projection unit for projecting an image based on the image data received by the first reception unit;
Have
The remote control device is:
A second receiving unit for receiving the file transmitted from the apparatus main body;
An application storage unit that stores an application program that enables browsing and editing of the file;
A data processing unit that operates the application program stored in the application storage unit to open the file;
A second display unit for displaying an image based on the contents of the file;
An input operation unit for accepting an operation for browsing and editing the file;
A second transmission unit that transmits the image data corresponding to the image displayed by the second display unit to the apparatus main body;
A projector comprising: A method for controlling an image display device having an application storage unit that stores an application program that enables browsing and editing of a file, and a remote operation device for remotely operating the device body,
A file reading step in which the apparatus main body reads a file stored in a storage medium;
A first transmission step in which the device main body transmits the file to the remote control device;
A second receiving step in which the remote control device receives the file transmitted from the device main body;
A data processing step in which the remote operation device operates the application program stored in the application storage unit to open the file;
A second display step in which the remote control device displays an image based on the content of the file;
An input operation receiving step in which the remote control device receives an operation for browsing or editing the file;
A second transmission step in which the remote control device transmits image data corresponding to the image displayed in the second display step to the device main body;
A first receiving step in which the device body receives the image data from the remote control device;
A first display step in which the apparatus body displays an image based on the image data received in the first reception step;
A control method for an image display device, comprising:

Images