JP2009217663A - Display and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display, along with a program, capable of appropriately indicating an operation button that can be used in respective device states. <P>SOLUTION: An FROM12 includes an effective button table 50 which indicates correspondence between the state of a projector 1 and an operation button which is an effective operation candidate in respective device states. The projector 1, upon receiving a command from a remote controller 16, refers to the effective button table 50 of the FROM12 to acquire a light turn-on information of the button which is to be effective next time based on the current state of the projector 1, which is transmitted to the remote controller 16. The remote controller 16, based on the acquired light turn-on information, turns on one of LED elements in a light array 55 that corresponds to the button. Thus, an effective button is turned on in respective devices states. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a display device and a program including an operation unit having a plurality of operation buttons.

  A display device such as a projector can be remotely operated by a remote controller. With the increase in functionality of display devices in recent years, the number of operation buttons mounted on a remote controller is increasing. However, as the number of operation buttons arranged on the remote controller increases, the usage becomes complicated and it is difficult to find a button that the user wants to operate.

On the other hand, Patent Document 1 proposes that when a remote controller operation button is pressed, a button to be operated next is lit to navigate to the user.
JP 2007-336063 A

  However, the invention disclosed in Patent Document 1 is based on the premise that a button to be operated next is determined. However, it is often difficult for a user to specify a button to be operated. In such a case, the one shown in Patent Document 1 cannot be properly navigated.

  For example, in the state of the menu screen, various operations can be executed using the menu screen, and it is difficult to specify what operation the user performs. Further, while the menu screen is displayed, there is a possibility that operations not related to the operation on the menu screen, such as volume adjustment and video switching button, may be performed.

  In view of the above-described problems, an object of the present invention is to provide a display device and a program that can appropriately indicate buttons that can be operated in each state.

  In order to solve the above-described problems, the present invention provides an operation means having N operation buttons (N is an integer satisfying N ≧ 2), a plurality of device states, and N operations. Storage means for storing a correspondence table in which M operation buttons (where M is an integer satisfying 2 ≦ M ≦ N) that are operation candidates in each device state among the buttons, and for each change in device state A display device comprising: a control unit that refers to the correspondence table and turns on a light incorporated in M operation buttons that are operation candidates in the device state after the change.

  According to the present invention, it is possible to operate in each device state by providing a correspondence table in which a plurality of device states are associated with M operation buttons that are operation candidates in each device state among the N operation buttons. By turning on the light incorporated in the (usable) operation button, it is possible to appropriately indicate the operation button that can be operated in each device state.

  In the present invention described above, the operation means is a remote controller for remotely operating the display device main body, and the control means includes light lighting information for lighting the light incorporated in each operation button as an operation candidate. Lighting control is performed by transmitting to a remote controller.

  According to the present invention, it is possible to notify the operation button that can be operated in each device state by turning on the light built in the operation button of the remote controller.

  In the present invention described above, the N operation buttons include a plurality of lights of different colors, and the correspondence table assigns an operation priority to each operation button as an operation candidate in each device state. The control means turns on a light of a color corresponding to an operation priority among a plurality of lights of different colors.

  According to the present invention, the priority of the operation can be notified by the difference in the color of the light.

  In the above invention, the correspondence table stores the operation priority associated with each operation button that is an operation candidate in each device state, and the control means changes the brightness of the light according to the operation priority. And lighting control.

  According to the present invention, the priority of the operation can be notified by the difference in the brightness of the light.

  The present invention is a program for causing a computer to function as each means in the display device.

  According to the present invention, it is possible to operate in each device state by providing a correspondence table in which a plurality of device states are associated with M operation buttons that are operation candidates in each device state among the N operation buttons. Control to display various operation buttons.

  Hereinafter, a display device and a program according to an embodiment of the present invention will be described with reference to the drawings. Here, the case where the projector is operated by a remote controller will be described. However, the present invention is not limited to the projector, but a television receiver, a VTR (Video Tape Recorder), a video disk, a hard disk video recorder, a CATV ( All can be applied to a display device that operates a plurality of buttons, such as a cable television set-top box, a printer with an operation panel, a facsimile machine, and a copier.

  FIG. 1 is a block diagram showing an overall configuration of a projector 1 according to the first embodiment of the present invention. In FIG. 1, a system controller 11 (control means) controls the entire apparatus. A flash read only memory (FROM) 12 and a random access memory (RAM) 13 are provided for the system controller 11.

  The system controller 11 includes a CPU (Central Processing Unit) and the like. In the FROM 12, various setting values are stored in addition to the control program. The RAM 13 reads / writes temporary data necessary for execution of processing.

  An input is given to the system controller 11 from the input unit 14 (operation means). The input unit 14 includes a plurality of operation buttons (panel keys) that receive input from the user. Under each operation button of the input unit 14, a light array 18 is provided in which LED elements corresponding to each operation button are arranged. Further, a command signal from a remote controller 16 (operation means) is given to the system controller 11 via the light transmitting / receiving unit 15. A communication unit 17 is provided for the system controller 11. Via this communication unit 17, data can be exchanged with an external device, or a cooperative operation with an external device can be performed.

  A large number of operation buttons are arranged on the remote controller 16, and each function is assigned to each operation button. In the first embodiment of the present invention, only the operation buttons that are valid operation candidates in each device state are turned on from among a large number of operation buttons (specifically, the light built in the operation button is turned on) This makes it easy to grasp the operation buttons to be operated by each user. This will be described later.

  The optical unit 20 constitutes an optical system for projecting an image based on the input video signal on the screen 29. The optical unit 20 includes a lamp 21, a lens 23, dichroic mirrors 24a, 24b, 24c, reflection mirrors 25a, 25b, liquid crystal panels 26a, 26b, 26c, a combining prism 27, and a projection lens 28. Yes.

  The lamp 21 is, for example, a metal halide lamp. A lighting drive signal is sent to the lamp 21 from the lamp control unit 22. As a result, the lamp 21 emits white light under the control of the system controller 11. Light from the lamp 21 passes through the lens 23 and is emitted.

  The red component of the light from the lamp 21 is reflected by the R reflecting dichroic mirror 24a and applied to the liquid crystal panel 26a via the reflecting mirror 25a. The green component of the light from the lamp 21 is reflected by the G reflection dichroic mirror 24b and applied to the liquid crystal panel 26b. The blue component of the light from the lamp 21 is reflected by the B reflection dichroic mirror 24c and irradiated to the liquid crystal panel 26c through the reflection mirror 25b.

  The liquid crystal panels 26a, 26b, and 26c are for forming images of R, G, and B colors, respectively. The liquid crystal panels 48a, 26b, and 26c are supplied with video signals of R, G, and B colors from the liquid crystal controller 48. The transmittance of each pixel of the liquid crystal panels 26a, 26b, and 26c varies depending on the video signal of each color from the liquid crystal controller 48.

  The light passing through the liquid crystal panels 26a, 26b, and 26c for each color is combined by the combining prism 27, and an optical image based on the input video signal is formed. This optical image is projected on the screen 29 via the projection lens 28.

  The lens position of the projection lens 28 can be adjusted by the lens driving motor 30. A driving signal is supplied from the system controller 11 to the lens driving unit 31. The lens driving motor 30 is driven by this driving signal under the control of the system controller 11.

  In the source signal input unit 41, a plurality of types of video input terminals such as a composite video signal, an S video signal, a component video signal, an analog RGB signal, and a digital RGB signal are arranged. A desired signal is selected from various video signals input to the source signal input unit 41 by a video switching signal from the system controller 11. The selected video signal is sent to the input video conversion unit 42.

  The video signal selected by the source signal input unit 41 is sent to the input video conversion unit 42. The input video converter 42 includes an A / D (Analog to Digital) converter that digitizes an analog input signal, a decoder that decodes an RGB component color video signal from a composite color video signal, and the like. Various video signals sent from the unit 41 are converted into a predetermined format, for example, a digital RGB signal. The video signal from the input video conversion unit 42 is sent to the image processor 45.

  The image processor 45 performs a scaling process on the input video signal according to the number of pixels of the liquid crystal panels 26a, 26b, and 26c. The image processor 45 performs keystone correction for correcting trapezoidal distortion and the like. A frame memory 46 is provided for the image processor 45, and scaling processing and keystone correction processing are performed using the frame memory 46. Further, the image processor 45 performs liquid crystal surface unevenness correction, gamma correction processing, and the like on the input video signal.

  An OSD (On Screen Display) generator 47 generates various display signals under the control of the system controller 11. This display signal is sent to the image processor 45 and synthesized with a video signal to be projected.

  An output signal from the image processor 45 is sent to the liquid crystal controller 48. The liquid crystal controller 48 generates various timing signals for driving the liquid crystal panels 26a, 26b, and 26c.

  In addition, the liquid crystal controller 48 performs D / A conversion on the RGB video signals for each pixel, and generates a positive video signal and a negative video signal in order to perform AC driving. The video signals of each color from the liquid crystal controller 48 are supplied to the liquid crystal panels 26a, 26b and 26c, respectively.

  As described above, in the first embodiment of the present invention, by lighting only the operation buttons that are valid operation candidates in each state from among the many operation buttons arranged in the remote controller 16, Each user can easily grasp the operation buttons to be operated. This will be described below.

  FIG. 2 is a block diagram for explaining the control between the remote controller 16 and the projector 1 in the first embodiment of the present invention.

  As shown in FIG. 2, in the first embodiment of the present invention, the FROM 12 (storage means) on the projector 1 side shows the correspondence between the projector state and the operation buttons that are effective operation candidates in each state. An effective button table 50 (correspondence table) is provided.

  The remote controller 16 is provided with a CPU 51, a light transmission / reception unit 53, an input key array 54, and a light array 55. Further, a FROM 56 and a RAM 57 are provided for the CPU 51.

  The input key array 54 constitutes a plurality of operation buttons arranged on the remote controller 16. The FROM 56 stores a command signal corresponding to the operation of the input key array 54. The light array 55 includes a plurality of LED elements. The operation buttons of the input key array 54 have translucency, for example, and LED elements corresponding to the operation buttons in the light array 55 are arranged below the operation buttons.

  When the input key array 54 is operated, a command signal corresponding to the input key array 54 is read from the FROM 56. This command signal is transmitted to the projector 1 by infrared rays via the light transmitting / receiving unit 53.

  When the projector 1 receives a command from the remote controller 16, the projector 1 performs an operation setting corresponding to the received command. Then, by referring to the effective button table 50 of the FROM 12, the light lighting information of the operation button to be effective next is acquired from the current state of the projector 1, and the light lighting information is transmitted to the remote controller 16.

  The remote controller 16 receives the light lighting information sent from the projector 1. This light lighting information is sent to the CPU 51. The CPU 51 of the remote controller 16 turns on the LED element of the corresponding operation button in the light array 55 based on this light lighting information. As a result, only the operation buttons that are valid in each state are turned on from among the many operation buttons arranged on the remote controller 16.

  FIG. 3 is a flowchart showing processing between the projector 1 and the remote controller 16 in the first embodiment of the present invention. In FIG. 3, when any of the operation buttons constituting the input key array 54 is pressed (step S1), the CPU 51 of the remote controller 16 transmits a command signal corresponding to the pressed operation button (step S2).

  On the other hand, the system controller 11 of the projector 1 determines whether or not a command from the remote controller 16 has been received (step S101). When the command from the remote controller 16 is received, the operation setting corresponding to the received command is set. Perform (step S102). Then, the system controller 11 of the projector 1 refers to the effective button table 50 of the FROM 12 and acquires the light lighting information of the operation button that will be effective next from the current state of the projector 1 (step S103). Information is transmitted to the remote controller 16 (step S104).

  When the CPU 51 of the remote controller 16 receives the light lighting information sent from the projector 1 in step S3, the CPU 51 of the corresponding operation button is selected from the LED elements in the light array 55 based on the light lighting information. Turn on (step S4) and return to step S1.

  In the above example, the effective button table 50 is provided in the FROM 12 of the projector 1 and the light lighting information from the projector 1 is acquired by the remote controller 16. However, the effective button table 50 is provided on the remote controller 16 side. Also good.

  In the above-described example, the processing by the remote controller 16 has been described. However, not only the remote controller 16 but also the panel keys of the input unit 14 of the projector 1 can be selected from a number of arranged operation buttons. Only the operation buttons effective in each state may be lit.

  In addition, the operation buttons have different color lights built in, and the operation buttons are stored in the valid button table 50 in association with the operation priorities for the operation buttons that are operation candidates in the respective states. The operation buttons may be lit in different display colors.

  For example, an operation button having a high priority is a button that the user will operate next in order to realize a function that the user wants. If the menu is set, the menu selection button, the return button, the decision button, and the like may be the operation buttons with the priority “high”.

  An operation button with a priority “medium” does not realize a function desired by the user, but the function can be executed. If the menu is set, the volume adjustment, video switching button, etc. may be the operation buttons having the medium priority.

  The invalid button is an operation button in which nothing happens even if operated. For example, it is conceivable that the operation button with the priority “high” is lit in red, the operation button with the priority “medium” is lit in yellow, and the invalid button is not lit.

  The effective button table 50 stores the operation priority associated with each operation button that is an operation candidate in each state, and changes the brightness of the LED element corresponding to each operation button according to the priority. May be turned on.

  For example, it is conceivable that the operation button with the priority “high” is lit with high brightness, the operation button with the priority “medium” is lit with low brightness, and the invalid button is not lit.

  Subsequently, specific examples of the present invention will be described. FIG. 4 shows an example of the arrangement of the remote controllers 16, and FIG. 5 shows an example of the arrangement of the panel keys of the input unit 14.

  As shown in FIG. 4, the remote controller 16 includes a power button 101, a video switching button 102, a menu button 103, a determination button 104, a cancel button 105, a help button 106, a direction button 107, zoom buttons 108a and 108b, and numeric buttons. 109, an AV mute button 110 and a volume button 111 are arranged.

  As shown in FIG. 5, a power button 201, an image switching button 202, a menu button 203, a decision button 204, a cancel button 205, a help button 206, and a direction button 207 are arranged as panel keys on the input unit 14 of the projector 1. Has been. The operation buttons of the remote controller 16 and the operation buttons of the input unit 14 have the same function.

  FIG. 6 shows an example of light emission of the keys of the remote controller 16 and the input unit 14 having the key arrangement as shown in FIGS. FIG. 6 shows the light emission state of each operation button in the normal state, the light emission state of each operation button during menu display, and the light emission state of each operation button during password input. In the figure, “ON” indicates an operation button that is emitting light, and “OFF” indicates an operation button that is not illuminated. In this example, the number N of operation buttons is (N = 11).

  In the normal state, out of N (N = 11) operation buttons, M (M = 7) operation buttons are lit as effective buttons. During the menu display, of the N (N = 11) operation buttons, M (M = 5) operation buttons are lit as effective buttons. During password input, of the N (N = 11) operation buttons, M (M = 5) operation buttons are lit as valid buttons.

  FIG. 7 shows another example of light emission of the remote controller 16 having the key arrangement as shown in FIGS. 4 and 5 and the keys of the input unit 14. In this example, color-coded display according to priority is also performed.

  In the normal state, of the N (N = 11) operation buttons, M (M = 7) operation buttons are lit in red as effective buttons having high priority. During the menu display, 10 (M = 10) operation buttons among the N (N = 11) operation buttons are lit as effective buttons, and among these, 5 operation buttons have high priority. The active buttons are lit in red, and the five operation buttons are lit in yellow as effective buttons with low priority. During password input, of the N (N = 11) operation buttons, M (M = 5) operation buttons are lit as valid buttons, and of these, 4 operation buttons have high priority. The red button is turned on as an effective button, and one is turned on in yellow as an effective button with a low priority.

  As described above, in the embodiment of the present invention, the FROM 12 on the projector 1 side is provided with the effective button table 50 indicating the correspondence between the state of the projector 1 and the operation buttons that are effective operation candidates in each device state. In each apparatus state, an operation button that is effective is turned on. Thus, the user can easily find an effective operation button from among a large number of operation buttons arranged on the remote controller and perform an appropriate operation.

  The present invention is not limited to the above-described embodiments, and various modifications and applications can be made without departing from the gist of the present invention. For example, the projector 1 of the above example employs a liquid crystal display method, but there is no limitation on the display principle such as a CRT display method or a light switch display method (micromirror device method).

1 is a block diagram showing an overall configuration of a projector according to a first embodiment of the present invention. It is a block diagram for demonstrating control of the projector and remote controller of the 1st Embodiment of this invention. It is a flowchart for demonstrating control of the projector and remote controller of the 1st Embodiment of this invention. It is explanatory drawing of the remote controller in the projector of the 1st Embodiment of this invention. It is explanatory drawing of the input part of the projector of the 1st Embodiment of this invention. It is explanatory drawing of an example of the button display in the projector of the 1st Embodiment of this invention. It is explanatory drawing of the other example of the button display in the projector of the 1st Embodiment of this invention.

Explanation of symbols

  1: Projector 11: System controller 14: Input unit 15: Transmitting / receiving unit 16: Remote controller 18: Light array 50: Effective button table 51: CPU 53: Transmitting / receiving unit 54: Input key array 55: Light array 56: Input key array

Claims (5)

Operation means having N operation buttons (where N is an integer satisfying N ≧ 2) with built-in lights;
A correspondence table associating a plurality of device states with M operation buttons (M is an integer satisfying 2 ≦ M ≦ N) as operation candidates in each device state among the N operation buttons. Storage means for storing;
A control unit that refers to the correspondence table for each change in the device state and turns on the light built in the M operation buttons that are operation candidates in the device state after the change;
A display device comprising: The operation means is a remote controller for remotely operating the display device body,
2. The display device according to claim 1, wherein the control unit performs lighting control by transmitting light lighting information for lighting a light incorporated in each operation button as an operation candidate to the remote controller. . The N operation buttons incorporate a plurality of lights of different colors,
In addition, the correspondence table stores an operation priority associated with each operation button that is an operation candidate in each device state,
The display device according to claim 1, wherein the control unit turns on a light of a color corresponding to the operation priority among the plurality of lights of different colors. The correspondence table stores an operation priority associated with each operation button as an operation candidate in each device state,
The display device according to claim 1, wherein the control unit performs lighting control by changing luminance of the light according to the operation priority.   The program for functioning a computer as each means in the display apparatus of any one of Claim 1 thru | or 4.

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