JP2006139222A - Remote controller and image display system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a remote controller whose operability can be improved, and to provide an image display system equipped with: the remote controller; and an image display apparatus. <P>SOLUTION: The remote controller 3 which is connected so as to communicate with the image display apparatus for forming an optical image in accordance with inputted image information, for performing the remote control of the image display apparatus with an input operation by an operator, is provided with an operating means 32 for detecting the input operation by the operator, an operation side control means 34 for forming an operation control signal for performing the operation control of the image display apparatus based on the input operation by the operating means 32, an operation side transmitting means 332 for transmitting/outputting the formed operation control signal to the image display apparatus, and an operation side display means 31 for displaying the image based on at least either of information on the whole images related to the displayable images based on the image information inputted to the image display apparatus and information on the output image related to the display image displayed by the image display apparatus. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a remote controller that is communicably connected to an image display device that forms an optical image in accordance with input image information and that remotely operates the image display device by an operator's input operation, and the remote The present invention relates to an image display system including a controller and the image display device.

Conventionally, projectors are used for presentations at conferences, academic conferences, exhibitions, and the like. Such a projector includes a light source, a light modulation device that modulates a light beam emitted from the light source according to image information to form an optical image, and a projection that enlarges and projects the optical image formed by the light modulation device. The lens includes a lens and a control unit that controls driving of the entire projector.
Such a projector has a problem that it is difficult to adjust by the user because the user is away from the projector at the time of presentation, and a projector capable of remote operation has been demanded.

  As a projector capable of such remote operation, a projector having a remote control is known (for example, see Patent Document 1). Here, such a remote control includes an input switching key for switching image information input from the connected device, a cross key for adjusting the projection position of the image, a power key for turning on / off the projector, and A zoom key, etc., for enlarging and reducing the image is provided, and when the key is pressed, a signal is transmitted from the remote control to the projector main body, and the control of the projector main body processes the signal, thereby remotely operating the projector It is possible to do.

  In addition to such functions, the projector remote control (remote control device) described in Patent Document 1 is provided with an auxiliary display device that is connected to the projector main body through mutual communication and displays the status of the projector main body. . In this auxiliary display device, when an internal temperature abnormality or power supply voltage abnormality of the projector occurs, the warning content etc. is displayed, and the user can confirm the operating state of the projector by observing this. It is configured to be able to.

JP 2003-280088 A

However, in the projector described in Patent Document 1, when the projector is operated using the remote controller, the user needs to operate while looking at the projected image, which is a trial and error operation, which is inconvenient. There is a problem that there is. In addition, since an image to be operated with trial and error is displayed, there is a problem in that an inappropriate image is displayed. For example, when a part of the whole image based on the image information input to the projector is enlarged and displayed, when the display area is moved, the enlargement of the display image is once canceled and the whole image is released. After that, it is necessary to newly set and display an enlarged area, which not only complicates the operation but also displays the entire image, which is not preferable for the user. On the other hand, if the enlargement of the display image is not canceled, the display area in the whole image is searched by trial and error, which is inconvenient to operate and an image in an unintended area is displayed. It is not preferable for the person.
Therefore, a remote controller with better operability has been desired.

  The objective of this invention is providing the remote controller which can improve operativity, and the image display system provided with the said remote controller and an image display apparatus.

  In order to achieve the above object, the remote controller of the present invention is communicably connected to an image display device that forms an optical image in accordance with input image information, and the image display device is operated by an operator's input operation. A remote controller that remotely controls the operation unit that detects an input operation of the operator, and an operation side that generates an operation control signal for performing operation control of the image display device based on the input operation by the operation unit A control unit, an operation side transmission unit that transmits and outputs the operation control signal generated by the operation side control unit to the image display device, and an entire image related to a displayable image based on image information input to the image display device And displaying an image based on at least one of the information and the output image information related to the display image displayed on the image display device Characterized in that a display unit.

  Here, the entire image and the output image need not be a displayable image based on the image information input to the image display device and an image that completely matches the display image displayed on the image display device. In this format, the image information amount and the image size may be increased or decreased. For example, an image with an increased or decreased frame rate or an image with an increased or decreased resolution may be used. Furthermore, only an image representing the display area may be used.

  According to the present invention, information on an entire image related to a displayable image based on image information input to the image display device and information on an output image related to a display image displayed on the image display device are displayed on the operation side display means. An image based on at least one of the information is displayed. That is, at least one of the whole image and the output image is displayed on the operation side display means. According to this, the operability of the remote controller can be improved and the operation of the image display device can be simplified.

Specifically, when the entire image is displayed on the operation-side display means, the remote controller can be operated while visually recognizing an image of an area other than the output image in the displayable image. It is possible to operate while confirming what image information is being input.
Further, when the output image is displayed on the operation side display means, the user checks the output image related to the display image displayed on the image display device while confirming the output image on the operation side display means of the remote controller. The display device can be remotely operated.
Further, when the entire image and the output image are displayed on the operation-side display unit, it is possible to easily confirm in which area of the displayable image the display image displayed by the image display device is. it can.
Accordingly, the user can remotely operate the image display device by operating the remote controller while confirming the entire image and / or the output image displayed on the operation-side display means of the remote controller. The operability of the remote controller can be improved and the operation of the image display device can be simplified.

In the present invention, it is preferable that the operation unit includes a touch panel provided on the operation-side display unit, and the operation-side control unit generates an operation control signal based on an input operation of the touch panel.
Here, the touch panel which comprises an operation means can be comprised with touch panels, such as a pressure-sensitive type and an electrostatic capacitance type.

According to the present invention, since the operation unit is configured to include a touch panel provided on the operation side display unit, by performing an input operation so as to directly operate the image displayed on the operation side display unit, The image display device can be remotely operated.
That is, the operation means can detect an input operation on the image displayed on the apparatus-side display means, and the operation-side control means generates an operation control signal based on the input operation, and the operation-side transmission means The operation control signal can be transmitted to the image display device via the network. Thereby, the operability of the remote controller can be further improved.
As such an input operation, for example, an operation of changing a region of a display image in a displayable image can be given. In such a case, an input operation can be performed on the image displayed on the operation side display means, and an operation can be performed so as to directly specify the area of the display image to be displayed on the image display device. The means can transmit an operation control signal designating the enlarged area. Therefore, the area of the display image displayed on the image display device can be easily changed.

  In the present invention, the operation-side control unit generates an entire image region information generating unit that generates entire image region information representing a region of the entire image on the operation-side display unit based on the information on the entire image, and the output Based on image information, a display image area information generation unit that generates display image area information representing an area of an output image by the operation-side display unit, and image area information generated by each image area information generation unit, It is preferable that the image processing apparatus includes an image region synthesis unit that adds and superimposes and displays on the operation side display unit.

According to the present invention, the position of the output image in the entire image, that is, the position of the display image displayed on the image display device in the displayable image based on the image information input to the image display device can be easily confirmed.
That is, the entire image area information generation unit generates entire image area information representing the entire image area, and the output image area information generation unit generates output image area information indicating the output image area in the entire image area. The image area information is added and superimposed by the image area synthesis unit and displayed on the operation side display means. Therefore, the image displayed on the operation side display means is an image in which the area of the output image is shown in the area of the entire image, and the position of the output image with respect to the entire image can be displayed by the image display device. This corresponds to the position of the display image in the image. According to this, it is possible to easily confirm which area the image display device is displaying among the displayable images based on the image information input to the image display device. Further, when a display image is displayed on the operation-side display means, an area other than the display image in the displayable image based on the image information is also displayed. Therefore, an image area desired to be displayed by the image display device is displayed. It is possible to grasp quickly. Therefore, the operability of the remote controller can be further improved.

  The image display system of the present invention is connected to an image display device that forms an optical image in accordance with input image information and the image display device so as to be able to communicate with each other. An image display system comprising a remote controller for remotely operating the device, wherein the remote controller detects an input operation of the operator, and the image display device based on an input operation by the operation unit An operation side control means for generating an operation control signal for performing the operation control of the operation, an operation side transmission means for transmitting and outputting the operation control signal generated by the operation side control means to the image display device, and an input to the image display device At least one of the entire image related to the displayable image based on the image information to be output and the output image related to the display image displayed on the image display device The image display device includes a display device side receiving unit that receives an operation control signal from the operation side transmitting unit, and processes the received image information and receives the received operation. And a display device-side control means for controlling the entire image display device based on the control signal.

According to the present invention, it is possible to achieve substantially the same effect as the above-described remote controller.
Further, since the drive of the image display device is controlled based on the operation control signal generated by the input operation on the remote controller, the operation corresponding to the input operation on the remote controller is realized by the image display device. Can do. Therefore, the operability of the image display device can be improved.

  In the present invention, the operation-side control unit generates an entire image region information generating unit that generates entire image region information representing a region of the entire image on the operation-side display unit based on the information on the entire image, and the output Based on image information, an output image area information generation unit that generates output image area information representing an area of an output image on the operation-side display unit, and image area information generated by each image area information generation unit And an image region synthesis unit that adds and superimposes and displays on the operation side display means.

According to the present invention, as in the case of the remote controller described above, the position of the output image area in the entire image area displayed on the operation-side display means is the position of the display image in the displayable image area of the image display device. The position of the region can be made to correspond.
That is, the whole image area information generation unit generates whole image area information indicating the whole image area on the operation side display unit, and the output image area information generation unit generates the area of the output image on the operation side display unit. Is generated. These pieces of image area information are added and superimposed by the image area synthesis unit, and an image showing the area of the output image in the entire image is displayed on the apparatus-side display means. According to this, it is possible to immediately confirm in which region of the displayable image the position of the display image displayed on the image display device is. Therefore, the operability of the remote controller can be improved.

In the present invention, it is preferable that the image area synthesis unit displays the output image area brightly in the superimposed image area information.
According to the present invention, since the area of the output image is brightly displayed in the entire image displayed on the operation side display unit, the area of the output image can be easily recognized. Therefore, the operability of the remote controller can be further improved.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
(1) Overall Configuration of Projector System FIG. 1 is a configuration diagram showing a projector system 1 according to the present invention.
The projector system 1 of the present embodiment corresponds to the image display system of the present invention, and includes a projector main body 2 as an image display device and a remote controller (hereinafter sometimes abbreviated as “remote controller”) 3. The Among these, the projector main body 2 forms an optical image corresponding to image information input from the device 4 connected to the projector main body 2, and enlarges and projects the optical image on the screen 5. The remote controller 3 remotely controls the projector main body 2 and performs wireless communication with the projector main body 2 by a wireless LAN (Local Area Network) or the like.
The configuration of the remote controller 3 will be described in detail later.

(2) Configuration of Projector Body 2 FIG. 2 is a schematic diagram showing the internal configuration of the projector body 2.
The projector body 2 includes an optical unit 21 that forms an optical image, a projection lens 22 that magnifies and projects the optical image formed by the optical unit 21, and a communication unit 23 (not shown in FIG. 2) that communicates with the remote controller 3. , A control board 24 (not shown in FIG. 2) for controlling the driving of the entire projector body 2, an interface 25 connected to the device 4, a power supply unit 26 for supplying power to them, and these are housed inside And an outer case 27 made of synthetic resin.
Among these, the exterior case 27 is configured as a synthetic resin case having a substantially rectangular parallelepiped shape as a whole, and is provided with an operation panel 261 provided with a plurality of operation switches.
Further, the power supply unit 26 converts an alternating current input from an external power source into a direct current, converts the direct current into a predetermined voltage corresponding to each electronic component constituting the projector body 2, and converts the direct current into the electronic component. Supply.

(2-1) Configuration of Optical Unit 21 The optical unit 21 optically processes the light beam emitted from the light source to form an optical image (color image) corresponding to the image information, and passes through the projection lens 22. A unit for enlarging and projecting onto the projection surface 51 (see FIG. 1) of the screen 5. The optical unit 21 is configured in a substantially L shape in plan view that extends along the back surface of the exterior case 27 and extends along the side surface of the exterior case 27.
Among these, although the detailed illustration is omitted, the projection lens 22 is configured as a combined lens in which a plurality of lenses are housed inside the lens barrel.

As shown in FIG. 2, the optical unit 21 includes an integrator illumination optical system 211, a color separation optical system 212, a relay optical system 213, an optical device 214, and these optical components 211 to 214 on the illumination optical axis A. The optical component casing 215 is disposed at a predetermined position.
The integrator illumination optical system 211 is an optical system for illuminating an image forming area of a liquid crystal panel 2141 (to be described later) constituting the optical device 214 substantially uniformly. The integrator illumination optical system 211 includes a light source device 2111, a first lens array 2112, a second lens array 2113, a polarization conversion element 2114, and a superimposing lens 2115.

The light source device 2111 includes a light source lamp 2116 that emits a radial light beam, and a reflector 2117 that reflects the emitted light emitted from the light source lamp 2116.
Among these, the light source lamp 2116 employs a high-pressure mercury lamp in the present embodiment, but is not limited thereto, and a halogen lamp, a metal halide lamp, or the like can be employed.
In this embodiment, the reflector 2117 employs a parabolic mirror. However, the reflector 2117 is not limited to this, and is configured by an ellipsoidal mirror. The light beam reflected by the ellipsoidal mirror on the light beam exit side is parallel light. It is good also as a structure which employ | adopted the collimated concave lens as follows.

The first lens array 2112 has a configuration in which small lenses having a substantially rectangular outline when viewed from the optical axis direction are arranged in a matrix. Each of these small lenses splits the light beam emitted from the light source device 2111 into a plurality of partial light beams.
The second lens array 2113 has substantially the same configuration as the first lens array 2112, and has a configuration in which small lenses are arranged in a matrix. The second lens array 2113 has a function of forming an image of each small lens of the first lens array 2112 on a liquid crystal panel 2141 (to be described later) of the optical device 214 together with the superimposing lens 2115.

The polarization conversion element 2114 is disposed between the second lens array 2113 and the superimposing lens 2115, and converts the light beam emitted from the second lens array 2113 into substantially one type of polarized light.
Specifically, each partial light beam converted into substantially one type of linearly polarized light by the polarization conversion element 2114 is finally substantially superimposed on a liquid crystal panel 2141 (to be described later) of the optical device 214 by the superimposing lens 2115. Here, in a projector using a liquid crystal panel of a type that modulates linearly polarized light, only one type of polarized light can be used, and therefore approximately half of the light emitted from the light source device 2111 that emits randomly polarized light cannot be used. For this reason, in this embodiment, by using the polarization conversion element 2114, the light emitted from the light source device 2111 is converted into substantially one type of polarized light, and the light use efficiency in the optical device 214 is enhanced.

The color separation optical system 212 includes two dichroic mirrors 2121 and 2122 and a reflection mirror 2123, and the dichroic mirrors 2121 and 2122 allow a plurality of partial light beams emitted from the integrator illumination optical system 211 to be separated. It has a function of separating into three color lights of red, green and blue.
The relay optical system 213 includes an incident side lens 2131, a relay lens 2133, and reflection mirrors 2132 and 2134, and the red light separated by the color separation optical system 212 is a later-described red light side liquid crystal panel 2141 of the optical device 214. (2141R).

  Here, the dichroic mirror 2121 of the color separation optical system 212 reflects the blue light component and transmits the red light component and the green light component of the light beam emitted from the integrator illumination optical system 211. The blue light reflected by the dichroic mirror 2121 is reflected by the reflection mirror 2123, and then passes through the field lens 2118 and reaches a liquid crystal panel 2141 (2141B) on the blue light side (to be described later) of the optical device 214. The field lens 2118 converts each partial light emitted from the second lens array 2113 into a light beam parallel to the central axis (principal ray). The field lens 2118 provided on the light beam incident side of the other liquid crystal panel 2141 (2141G, 2141R) for green light and red light has the same configuration and function.

Of the red light component and the green light component transmitted through the dichroic mirror 2121, the green light component is reflected by the dichroic mirror 2122, then passes through the field lens 2118, and a later-described green light side liquid crystal panel 2141 ( 2141G).
On the other hand, the red light component passes through the dichroic mirror 2122, passes through the relay optical system 213, passes through the field lens 2118, and reaches a later-described red light side liquid crystal panel 2141 (2141 R) of the optical device 214.

Here, the relay optical system 213 is used for the red light component because the optical path length of the red light component is longer than the optical path lengths of the other color light components. This is for the purpose of preventing the decrease of the above. That is, this is to transmit the partial light beam incident on the incident side lens 2131 to the field lens 2118 as it is.
In this embodiment, since the optical path length of the red light component is long, the relay optical system 213 is arranged on the optical path of the red light component. However, a configuration in which the optical path length of the blue light component is increased is also conceivable. In such a case, the relay optical system 213 may be disposed on the optical path of the blue light component.

  The optical device 214 modulates an incident light beam according to image information to form a color image. The optical device 214 includes three incident-side polarizing plates 2142 on which the respective color lights separated by the color separation optical system 212 are incident, and liquid crystal panels 2141 (2141R, 2141G, 2141B), an exit-side polarizing plate 2143, and a cross dichroic prism 2144 as a color synthesizing optical device.

  The liquid crystal panel 2141 (2141R, 2141G, 2141B) corresponds to the light modulation element of the present invention. The liquid crystal panel 2141 uses, for example, polysilicon TFTs as switching elements, and is a liquid crystal composed of two light-transmitting substrates arranged opposite to each other and a liquid crystal material hermetically sealed by these light-transmitting substrates. And a layer. The liquid crystal panel 2141 modulates and emits a light beam incident via the incident-side polarizing plate 2142 according to image information.

The incident-side polarizing plate 2142 transmits only polarized light in a certain direction among the color lights separated by the color separation optical system 212 and absorbs other light beams. A polarizing film is attached to a substrate such as sapphire glass. It has been done.
Also, the exit side polarizing plate 2143 is configured in substantially the same manner as the incident side polarizing plate 2142, and transmits only polarized light in a predetermined direction and absorbs other light beams out of the light beams emitted from the liquid crystal panel 2141. The polarization axis of the polarized light to be transmitted is set to be orthogonal to the polarization axis of the polarized light to be transmitted by the incident side polarizing plate 2142.

  The cross dichroic prism 2144 forms a color image by synthesizing optical images emitted from the emission-side polarizing plate 2143 and modulated for each color light. The cross dichroic prism 2144 is provided with a dielectric multilayer film that reflects red light and a dielectric multilayer film that reflects blue light in a substantially X shape along the interface of four right-angle prisms. Three color lights are synthesized by the dielectric multilayer film.

(2-2) Configuration of Communication Unit 23 FIG. 3 is a block diagram showing an internal configuration of the projector body 2.
The projector body 2 includes the communication unit 23 and the control board 24 as described above.
The communication unit 23 performs wireless communication with the remote controller 3, receives a radio signal as an operation control signal transmitted from the remote controller 3, outputs the radio signal to the control board 24, and outputs a control signal output from the control board 24 and This is communication means of the projector main body 2 that converts image information into a radio signal and transmits it to the remote controller 3.
As shown in FIG. 3, the communication unit 23 includes a receiving unit 231 serving as a display device side receiving unit that receives a radio signal from the remote controller 3 and a display unit side transmitting unit that transmits the radio signal to the remote controller 3. The transmission unit 232 includes a signal conversion unit 233 that converts a received signal and a signal to be transmitted.
Among these, the signal conversion unit 233 converts the radio signal received by the reception unit 231 into an operation control signal that can be recognized by the control board 24 and outputs the operation control signal to the control board 24. The signal converter 233 converts the control signal and image information generated by the control board 24 into a radio signal that can be recognized by the remote controller 3 and outputs the radio signal to the transmitter 232.

(2-3) Configuration of Control Board 24 The control board 24 corresponds to the display-device-side control means of the present invention, and is configured as a circuit board that controls the drive of the entire projector body 2. As shown in FIG. 3, the control board 24 drives and controls the projector main body 2 based on an operation control signal input from the remote controller 3 and an operation control signal input from the operation panel 261 via the communication unit 23. .
The control board 24 includes a CPU (Central Processing Unit) and the like, and as shown in FIG. 3, a main control unit 241 that controls the entire apparatus of the projector body 2, a ROM (Read Only Memory) 242, A RAM (Random Access Memory) 243, a display control system 244 that forms an optical image under the control of the main control unit 241, an input switching unit 245, a time-division processing unit 246, FM (Frame Memory) 247 and 248, The output switching unit 249 and the information compression unit 250 are provided.

  Among these, the ROM 242 stores a control program processed by the main control unit 241 and various control data. The RAM 243 is used as a work memory for the main control unit 241, and control data in the ROM 242 is temporarily written as necessary.

The input switching unit 245 is connected to the main control unit 241, the interface 25, and the FM 247, and based on a control signal from the main control unit 241, the connected device 4 (4A, 4B, 4C, 4D) connected to the interface 25. The image information forming the display image is selected from the image information input from) and output to the FM 237.
The time division processing unit 246 is connected to the main control unit 241, the interface 25, and the FM 248, and based on a control signal from the main control unit 241, each connected device 4 (4A, 4B, 4C, 4D) is output to the FM 248 every predetermined time in the order of the connected devices 4A, 4B, 4C, 4D. This time may be set as appropriate, may be a time corresponding to one frame formed by the liquid crystal panel 2141, or may be a time obtained by dividing one second by the number of connected devices 4.
The FMs 247 and 248 are connected to the input switching unit 245 and the time division processing unit 246, respectively, and temporarily hold image information for one frame among the image information input from the input switching unit 245 and the time division processing unit 246. To the display control system 244.

The main control unit 241 is configured by a CPU or the like, and outputs a control signal to each electronic component constituting the projector body 2 based on an operation control signal input from the signal conversion unit 233 of the communication unit 23 and the operation panel 261. The drive of the projector body 2 is controlled.
In addition, when the drive setting of the projector main body 2 is changed by operating the operation panel 261, the main control unit 241 outputs a control signal and display image information to the remote controller 3 via the communication unit 23, and the projector The setting states of the main body 2 and the remote controller 3 are synchronized. For example, when the operation panel 261 is operated to change the display area among the displayable images based on the image information, a control signal indicating that the display image area has been changed, and Information on the changed display image is transmitted to the remote controller 3 via the communication unit 23.

For example, the main control unit 241 performs the following control.
When a control signal for improving the brightness of the display image is input to the main control unit 241, the control signal is output to the display control system 244 that forms the display image to increase the brightness.
In addition, when a control signal is input from the connection device 4 (4A, 4B, 4C, 4D) via the interface 25 and an image information serving as a display image formation information source is input, the input switching unit 245 performs control. A signal is output and the image information input to the display control system 244 via the FM 247 is switched.

Further, when a divided image request signal for dividing and displaying an image corresponding to the image information from each connected device 4 is input, a control signal is output to the display control system 244 and the time division processing unit 246 to perform time division. The image information subjected to the time division processing by the processing unit 246 is output to the display control system 244 via the FM 248, and the display control system 244 includes a display image that includes displayable images corresponding to a plurality of pieces of image information. An image is formed.
When the divided image request signal is input from the remote control 3 via the communication unit 23, the main control unit 241 sends a control signal for causing the output switching unit 249 to transmit and output the divided image information to the remote control 3. The image information of the divided image that is output and formed is transmitted to the remote controller 3 via the information compression unit 250 and the communication unit 23. On the other hand, when a divided image request signal is input from the operation panel 261, the main control unit 241 outputs a control signal for outputting image information of the divided image to the liquid crystal panel 2141 to the output switching unit 249 to form the divided image request signal. The image information of the divided images is output to the liquid crystal panel 2141.

In addition, when a menu image formation signal for changing the drive setting of the projector body 2 is input, the main control unit 241 outputs a control signal to the display control system 244, and the display control system 244 causes the menu image to be displayed. To form.
Similarly to the case of the divided image, when the menu formation signal is input from the remote controller 3, the main control unit 241 controls the output switching unit 249 to transmit and output the formed menu image to the remote control 3. A signal is output, and the image information of the formed menu image is transmitted to the remote controller 3 via the information compression unit 250 and the communication unit 23. On the other hand, when a display request signal is input from the operation panel 261, the main control unit 241 outputs a control signal for outputting the menu image to the liquid crystal panel 2141 to the output switching unit 249, and the formed menu image is displayed. The image information is output to the liquid crystal panel 2141.

The display control system 244 drives the liquid crystal panel 2141 based on the image information input to the FM 247 under the control of the main control unit 241 to form a display image and an image to be transmitted to the remote controller 3, The image information is output to the communication unit 23.
The display control system 244 includes a display control unit 2441, a display image forming unit 2442, a displayable image forming unit 2443, a divided image forming unit 2444, a menu image forming unit 2445, and a ROM 2446.
In this embodiment, the display control system 244 is configured by a CPU different from the main control unit 241. However, the display control system 244 is configured by one CPU that realizes the functions of the main control unit 241 and the display control system 244. May be.

  The display control unit 2441 outputs control signals to the function units 2442 to 2445 constituting the display control system 244 based on the control signal input from the main control unit 241, and operates these function units 2442 to 2445 as appropriate. Image formation is performed. That is, image formation in the projector main body 2 is controlled by the display control unit 2441.

The display image forming unit 2442 forms a display image corresponding to the image information input from the FM 247. The information on the display image is output to the liquid crystal panel 2141 of the optical unit 21 described above, is output to the information compression unit 250, and is transmitted to the remote controller 3 as an output image.
When the coordinate information indicating the region in the displayable image is input from the main control unit 241 via the display control unit 2441, the display image forming unit 2442 uses the image of the region corresponding to the coordinate information as a display image. Then, information on the display image is output to the liquid crystal panel 2141. In addition, the coordinate information and the image information of the display image are output to the information compression unit 250.

  The displayable image forming unit 2443 forms an image that can be displayed on the projector body 2 based on the image information input from the connection device 4 via the FM 247, and outputs the image information of the formed displayable image to the information compression unit 250. . The displayable image formed by the displayable image forming unit 2443 is an image based on the image information input from the connected device 4, and is an image in which a predetermined area is not specified and an aspect ratio is not changed.

  The divided image forming unit 2444 forms a divided image corresponding to the image information input from the FM 248, and outputs the image information of the formed divided image to the output switching unit 249. The divided images formed by the divided image forming unit 2444 are time-divided into one image from each connected device 4 (4A, 4B, 4C, 4D) via the interface 25 and the time-division processing unit 246. The displayable images based on the input image information are images that are displayed by changing the image forming position at predetermined time intervals in the order of the connected devices 4A, 4B, 4C, and 4D. This predetermined time is synchronized with the time in the time division processing unit 246. In addition, since a plurality of displayable images are included in one image, one displayable image is formed in a reduced size.

  Menu image forming unit 2445 forms a menu image and outputs the formed menu image to output switching unit 249. The image information of the menu image is stored in the ROM 2446, and the image information of the menu image is appropriately read by the menu image forming unit 2445. A plurality of pieces of image information of the menu image are stored in the ROM 2446 for each item set in the menu image.

The output switching unit 249 displays the image information of the image formed by the divided image forming unit 2444 and the menu image forming unit 2445 of the display control system 244 in accordance with the control signal of the main control unit 241, and the liquid crystal panel 2141 and / or information. Output to the compression unit 250.
The information compression unit 250 compresses the image information transmitted to the remote controller 3 via the communication unit 23 to a level at which communication with the remote controller 3 is possible.
Here, when the projector main body 2 and the remote controller 3 communicate with each other wirelessly, an image whose information amount substantially matches the image information input from the connection device 4 to the projector main body 2 is formed. Even if an attempt is made to transmit to the remote controller 3 via the communication unit 23, there may be a case where image information of the same level as the display image displayed on the screen 5 cannot be transmitted due to the communication speed or the like. In such a case, the information compression unit 250 compresses the image information, reduces the amount of information, and transmits it to the remote control 3, thereby transmitting an image substantially synchronized with the display image on the screen 5 to the remote control 3. It becomes possible

Specifically, the information compression unit 250 reduces the resolution of the image related to the image information input to the information compression unit 250 and compresses the information amount.
In addition, the information compression unit 250 selects input image information for each frame at a predetermined timing and transmits the selected image information to the communication unit 23. This timing can be set as appropriate according to the speed of communication with the remote controller 3 performed via the communication unit 23.
In this manner, the information compression unit 250 compresses the image information of the displayable image input from the displayable image forming unit 2443, and generates image information of the entire image having a small information size related to the displayable image. It is transmitted to the remote controller 3 via the unit 23. Similarly, the image information of the display image input from the display image forming unit 2442 is compressed by the information compression unit 250, and the image information of the output image to be transmitted and output to the remote controller 3 is generated. Further, the divided image is also compressed by the information compression unit 250, and the compressed divided image is transmitted and output to the remote controller 3.
When displaying an entire image on the display unit 31 of the remote controller 3 to be described later, only the coordinate information may be transmitted and output to the remote controller 3 via the communication unit 23 without generating image information of the output image. Good.

By such an information compression unit 250, the size of image information to be transmitted and output to the remote controller 3 can be reduced, communication with the remote controller 3 can be improved, and image display with a light load on the remote controller 3 can be performed. Can do.
If the image information for one frame can be transmitted to the remote controller 3 at the same speed as the frame rate of the image formed by the projector main body 2, the displayable image can be displayed without performing such compression. The image information input from the forming unit 2443 and the output switching unit 249 may be transmitted to the communication unit 23 as it is.

(3) Configuration of Remote Controller 3 FIG. 4 is a schematic perspective view showing the remote controller 3.
As described above, the remote controller 3 communicates with the projector main body 2 to remotely operate the projector main body 2.
As shown in FIG. 4, the remote controller 3 drives a display unit 31, a touch panel 32 as an operation means, a communication unit 33 (see FIG. 12) that wirelessly communicates with the projector body 2, and the entire remote controller 3 including these. The control board 34 (refer FIG. 12) to control and the exterior case 35 which accommodates these are comprised.
In the remote controller 3, the touch panel 32 provided on the display unit 31 recognizes the input operation by inputting the soft key and the image displayed on the display unit 31 with the touch pen 36 and the finger of the user. Thus, the control board 34 generates an operation control signal corresponding to the input operation, and the operation control signal is transmitted and output to the projector main body 2 via the communication unit 33.
The configuration of the control board 34 will be described in detail later.

Among these, the display unit 31 corresponds to the operation-side display unit of the present invention, and is configured to include a liquid crystal panel. Under the control of the control board 34, the image corresponding to the image information received from the soft key and the projector main body 2 is displayed. Etc. are displayed.
The touch panel 32 is configured by a capacitive touch panel and is disposed on the display unit 31. The touch panel 32 includes a light-transmitting conductive film and the like, detects a change in surface charge due to contact of the touch pen 36 and the like, detects a contact position, and outputs coordinates of the contact position to the control board 34.
In the present embodiment, the capacitive touch panel 32 is adopted, but it may be configured by any one of a pressure sensitive type, an ultrasonic surface acoustic wave method, an infrared light shielding method, and an electromagnetic induction method.
As described above, since the remote controller 3 includes the touch panel 32, an input operation can be performed so as to directly operate an image displayed on the display unit. Therefore, the input operation to the remote controller 3 can be simplified.

(3-1) Screen Configuration FIG. 5 is a diagram showing a basic screen displayed on the display unit 31 of the remote controller 3.
In the normal state, the basic screen shown in FIG. 5 is displayed on the display unit 31 of the remote controller 3. In this basic screen, an image display area 311 in which an image corresponding to the image information received from the projector main body 2 is displayed, a key display area 312 arranged on the left side of the image display area 311, and a key arranged on the right side A display area 313 is provided.

In the image display area 311, the whole image related to the displayable image based on the image information input from the connected device 4 to the projector main body 2, that is, the whole image based on the image information received from the projector main body 2, and the projector main body 2 projects An output image related to the display image to be displayed, that is, an output image based on the image information received from the projector main body 2 is superimposed and displayed. In other words, the output image area is displayed so as to be brighter than the output image area so that the position of the output image in the entire image can be visually recognized. In addition, the menu image received from the projector body 2 is displayed.
In the image display area 311 of the display unit, when communication from the projector body 2 to the remote controller 3 is not possible, a frame indicating the entire image area and the output image area in the entire image is displayed.

In the key display area 312, a menu key 312 A displayed as “MENU”, a zoom key 312 B displayed as “zoom”, an aspect conversion key 312 C displayed as “aspect conversion”, and an input displayed as “input switching”. An information switching key 312D and a left movement key 312E displayed as “←” are provided.
The key display area 313 includes a communication state display area 313A in which “communication state” is displayed, a character input key 313B in which “character input” is displayed, “↑”, “↓”, and “→”. The displayed upward movement key 313C, downward movement key 313D, and rightward movement key 313E are provided.

  Among these, the communication state display area 313A is an area that represents the communication state between the projector main body 2 and the remote controller 3 by color. Specifically, when this area 313A is displayed in blue, it indicates that the communication state is the best, indicating that the communication state is poor in the order of yellow, red, and gray. When the color displayed in the communication status display area 313A is blue, yellow, or red, bidirectional communication between the projector main body 2 and the remote control 3 is possible. This indicates that the communication is impossible.

FIG. 6 is a diagram illustrating a menu image displayed on the display unit 31.
When the menu key 312A in the key display area 312 is input, a menu image is displayed in the image display area 311 as shown in FIG. This menu image is for setting the projector body 2 by performing an input operation on the menu image, and is an image based on image information received from the projector body.
This menu image includes a video setting key labeled “Video”, a voice setting key labeled “Audio”, a detailed setting key labeled “Setting”, and a unique information setting key labeled “Information”. , And an initialization key displayed as “initialization” is provided, and the projector main body 2 can be set. If the movement key 312E is input while the menu image is displayed, the screen returns to the basic screen described above.

  For example, when the video setting key displayed in the menu image is input, the brightness, contrast, sharpness, and color mode of the display image can be set as shown in FIG. Although not shown, when a voice setting key is input, settings such as volume adjustment and tone adjustment of a speaker provided in the projector main body 2 can be performed. When a detailed setting key is input, color adjustment, power saving function setting, and the like can be performed. When the information key is input, the lamp lighting time and the like are displayed. When the initialization key is input, the settings of all settable items can be initialized.

FIG. 7A is a diagram illustrating an image displayed in the image display area 311 during electronic zooming. FIG. 7B is a diagram showing an image projected and displayed on the screen 5 by the projector body 2 when the electronic zoom is executed.
When the zoom key 312B is input, the electronic zoom function is enabled.
Here, the electronic zoom function is a function of enlarging a predetermined area of the displayable image based on the image information input to the projector main body 2 and displaying it on the screen 5.
When the electronic zoom function is enabled, the entire image related to the displayable image received from the projector body 2 is displayed in the image display area 311 as shown in FIG. When two points in the displayed area 311A of the entire image are selected, an output image area 311B having these two points as diagonal lines is set, and this coordinate information is transmitted to the projector main body 2. The display image forming unit 2442 of the projector main body 2 that has received the coordinate information forms a display image in which a region corresponding to the coordinate information in the displayable image is enlarged. Thereafter, the projector body 2 displays the image on the projection surface 51 of the screen 5 as shown in FIG.

  Further, the output image area 311B displayed in the image display area 311 can be moved on the entire image area 311A by operating the touch pen 36 and the movement keys 312E and 313C to 313E. In this case, the touch panel 32 recognizes the coordinates of the area 311B of the moved output image, and transmits the coordinate information from the remote controller 3 to the projector main body 2. Then, the projector body 2 changes the display image area in the displayable image based on the transmitted coordinate information, and enlarges and displays the area.

FIG. 8A is a diagram showing an image displayed in the image display area 311 during aspect conversion. FIG. 8B is a diagram showing an image displayed on the screen 5 by the projector body 2 when the aspect conversion is executed.
When the aspect conversion key 312C is input, the aspect conversion function is enabled.
Here, the aspect conversion function is a function for displaying a predetermined area with an aspect ratio of 16: 9 in an image formed with an aspect ratio of 4: 3. With this function, it is also possible to extract and display an image of an area with an aspect ratio of 4: 3 from an image formed with an aspect ratio of 16: 9.

When the aspect conversion function is enabled, an output image area 311B is displayed on the entire image area 311A displayed in the image display area 311 as shown in FIG. The entire image area 311A is an image formed with an aspect ratio of 4: 3 in FIG. 8A, and is displayed slightly smaller in the image display area 311. On the entire image area 311A, an output image area 311B having an aspect ratio of 16: 9 is displayed in FIG. 8A.
By moving the display image area 311B formed with this aspect ratio of 16: 9 by the input of the touch pen 36 and the movement keys 312E, 313C to 313E, etc., in the same manner as the electronic zoom function described above, the projector main body 2 A display image area having an aspect ratio of 16: 9 to be formed and displayed is designated. The coordinate information of this area is transmitted from the remote control 3 to the projector main body 2, and the projector main body 2 forms a display image of the area corresponding to the coordinate information among the displayable images as shown in FIG. 8B. And displayed on the screen 5.

FIG. 9A is a diagram showing an image displayed in the image display area 311 at the time of input switching. FIG. 9B is a diagram showing an image displayed on the screen 5 by the projector body 2 when input switching is executed. FIG. 9A shows an image when a connected device that outputs image information of “input image information 3” is selected, and FIG. 9B is selected in FIG. 9A. It is a projection image of the projector main body 2 at the time of switching to the image based on the image information from the connected apparatus.
When the input information switching key 312D is input, the input information switching function is enabled.
Here, the input switching function is a function of switching input image information input from the connection device 4 (4A, 4B, 4C, 4D) connected to the projector body 2.

When this input switching function is enabled, an image related to a displayable image based on the image information of each connected device 4 connected to the projector main body 2, as shown in FIG. An image including the entire image is displayed. This image corresponds to an image obtained by compressing the above-described divided image. When any one of the whole images included in this image is selected, coordinate information indicating the position of the selected whole image is transmitted from the remote control 3 to the projector body 2. Upon receiving this coordinate information, the projector main body 2 analyzes which coordinate information is the image based on the input image information from which connected device 4 by the main control unit 241 constituting the control board 24, and the input switching unit. A control signal is output to 245 to switch the image information to form a display image, and the display image is displayed on the screen 5 as shown in FIG.
At the time of input switching, the selected whole image among the whole images displayed in the image display area 311 is displayed so as to be brighter than the whole unselected image.

FIG. 10A is a diagram showing an image displayed in the image display area 311 when inputting characters. FIG. 10B is a diagram showing an image displayed on the screen 5 by the projector body 2 when character input is executed. FIG. 10A shows an image in which the entire image area 311A and the output image area 311B coincide with each other. In FIGS. 10A and 10B, the characters “Aiueo” are shown as characters. "Is input.
When the character input key 313B is input, the character input function is enabled.
Here, the character input function is a function for inputting and displaying a desired character at an arbitrary position of the display image.

  When this character input function is enabled, as shown in FIG. 10A, characters or the like can be input with the touch pen 36 at a desired position in the output image area 311B of the image display area 311. This input position is detected by the operation unit 32 and transmitted to the projector body 2 as coordinate information via the communication unit 33. The main control unit 241 of the projector main body 2 to which the coordinate information is input outputs the coordinate information to the display control unit 2441 of the display control system 244. The display control unit 2441 outputs coordinate information to the display image forming unit 2442 to form a display image and an image obtained by connecting the coordinates on the display image corresponding to the coordinate information with lines, as shown in FIG. As shown, an image obtained by superimposing these is displayed on the screen 5.

(3-2) Configuration of Communication Unit 33 FIG. 11 is a block diagram showing an internal configuration of the remote controller 3.
As described above, the remote controller 3 includes the communication unit 33 and the control board 34, and the control board 34 processes image information and control signals received from the projector main body 2 via the communication unit 33. Among these, the image information is processed by the control board 34 to form an image based on the image information, and is displayed in the image display area 311 of the display unit 31. The touch panel 32 detects an input operation on the touch panel 32 and outputs coordinate information indicating the input position to the control board 34. If the coordinate information is a coordinate in the image display area 311, the coordinate information is transmitted to the projector body 2 via the communication unit 33, and if the coordinate information is the key display area 312, 313, A control signal representing the type is transmitted to the projector main body 2 via the communication unit 33.

The communication unit 33 has substantially the same configuration as the communication unit 23 of the projector main body 2 described above, and includes a reception unit 331, a transmission unit 332, and a signal conversion unit 333 as shown in FIG.
Among these, the reception unit 331 receives radio signals such as image information and control signals transmitted from the projector body 2 and outputs them to the signal conversion unit 333. That is, the receiving unit 331 corresponds to the operation side receiving unit of the present invention.
The transmission unit 332 inputs from the signal conversion unit 333 and transmits a control signal to the projector main body 2 to the projector main body 2 as a radio wave signal. That is, the transmission unit 332 corresponds to the operation side transmission unit of the present invention.
The signal conversion unit 333 is electrically connected to the control board 34, converts the signal input via the reception unit 331 into a control signal and image information that can be processed by the control board 34, and outputs the signal from the control board 34. The control signal thus converted is converted into a signal format that can be transmitted to the projector main body 2 and output to the transmission unit 332.

(3-3) Configuration of Control Board 34 The control board 34 corresponds to the operation-side control means of the present invention, and is configured as a circuit board including a CPU that controls the entire apparatus of the remote controller 3.
As shown in FIG. 11, the control board 34 includes a main control system 341, a ROM 342, a RAM 343, a display control system 344, and a memory 345.
Among these, the ROM 342 stores control programs processed by the main control system 341, various control data, and the like. The RAM 343 is a work memory of the main control system 341, and the data stored in the ROM 342 is temporarily stored. Remembered.
The memory 345 is a buffer that is connected to the signal conversion unit 333 and the display control system 344, temporarily holds image information and control signals input from the signal conversion unit 333, and outputs the information to the display control system 344. is there.

The main control system 341 includes a CPU, and is functionally classified into a main control unit 3411 and a signal generation unit 3412.
Among these, the main control unit 3411 outputs a control signal to each electronic component constituting the remote controller 3 to perform drive control of the entire remote controller 3. The main control unit 3411 is electrically connected to the touch panel 32. When a signal corresponding to an input operation on the touch panel 32 is input, the main control unit 3411 outputs the signal and an operation control signal generation signal to the signal generation unit, and the projector main body. The signal generation unit 3412 generates an operation control signal to be transmitted to 2.
When a control signal is input from the main control unit 3411, the signal generation unit 3412 generates an operation control signal to be transmitted to the projector main body 2 based on a signal from the touch panel 32 input via the main control unit 3411, and performs communication. The output is transmitted to the projector body 2 via the unit 33.

The display control system 344 displays an image based on image information input from the projector main body 2 via the communication unit 33 and the memory 345 on the display unit 31 in accordance with a control signal from the main control unit 3411. Also, soft keys to be displayed in the key display areas 312 and 313 of the basic screen are displayed.
The display control system 344 includes a CPU that is different from the main control system 341, and functionally includes a display control unit 3441, an entire image region information generation unit 3442, an output image region information generation unit 3343, and an image region composition unit 3444. being classified.

  The display control unit 3441 corresponds to the operation side display control unit of the present invention. When a control signal from the main control unit 3411 of the main control system 341 is input, the display control unit 3441 displays on each functional unit 3442 to 3444 constituting the display control system 344. A control signal is output to cause the display unit 31 to form an image.

  The whole image area information generation unit 3442 generates whole image area information representing the area of the image according to the image information of the whole image or menu image received from the projector body 2 and input via the memory 345. The entire image area information includes image information of the entire image, menu image, or divided image received from the projector body 2. The entire image area information is output to the image area synthesis unit 3444.

The output image area information generation unit 3443 is received from the projector main body 2 and an output image area indicating an output image area in the entire image and a selection area in the divided image according to the image information of the output image input via the memory 345. Generate information. The output image area information is output to the image area synthesis unit 3444.
Note that the processing in the output image area information generation unit 3443 is regulated by the display control unit 3441 because it is not necessary to perform processing when image information of a menu image is input from the projector main body 2.

The image region synthesis unit 3444 adds the entire image region information and the output image region information generated by the entire image region information generation unit 3442 and the output image region information generation unit 3443, and an image in which the entire image and the output image are superimposed. Is displayed on the display unit 31.
That is, the image displayed on the display unit 31 is an image in which the region of the output image is visually recognized within the region where the entire image is displayed. Further, in the processing by the image area synthesis unit 3444, an image is formed so that the area of the output image is brighter than other areas.
Similarly, when image information of a divided image is input, the entire image area information input as a divided image and the output image area information representing the selected area are added to select the divided image within the area where the divided image is displayed. An image in which the area is visually recognized is displayed on the display unit 31. Also in this case, the selected area in the divided image is displayed brighter than the area other than the selected area.
Thereby, the visibility of the output image area and the selection area can be improved.
When image information of a menu image is input from the entire image area information generation unit 3442, the menu image is displayed.

(4) Communication processing during image display Hereinafter, processing during image display between the projector main body 2 and the remote controller 3 will be described.
12 and 13 are diagrams showing a processing flow of communication processing executed between the projector main body 2 and the remote controller 3. The processes shown in FIGS. 12 and 13 are performed continuously.
As shown in FIG. 12, when displaying the image generated by the projector main body 2 on the display unit 31 of the remote controller 3, the keys in the key display areas 312 and 313 of the remote controller 3 are input and the remote controller 3 An image request signal is transmitted to the projector body 2 (process SR11), and image information from the projector body 2 is monitored (process SR12).

Here, the communication unit 23 of the projector main body 2 and the main control unit 241 of the control board 24 always monitor the reception of the operation control signal from the remote controller 3 when the power is on (processing SP11). It is determined whether or not the operation control signal has been received (processing SP12).
If it is determined by the process SP11 that the operation control signal has not been received, the process returns to the process SP11, and the communication unit 23 and the main control unit 241 of the projector main body 2 continue to monitor the input of the operation control signal. To do.

On the other hand, when it is determined that the operation control signal from the remote controller 3 has been received, the main control unit 241 determines whether the operation control signal is an image request signal (processing SP13).
If it is determined that the received operation control signal is not an image request signal by the determination process of the process SP13, it is determined that the signal is not a signal for prompting the process of the projector body 2, and the process returns to the process SP11 to receive the signal. Monitor.
On the other hand, when the received operation control signal is an image request signal, the main control unit 241 outputs a control signal to the display control unit 2441 of the display control system 244 to generate image information to be transmitted to the remote controller 3. (Processing SP14).

Here, in the case of an image request signal requesting a menu image, the display control unit 2441 outputs a control signal to the menu image forming unit 2445. Then, the menu image forming unit 2445 to which the control signal is input forms a menu image based on the menu image data stored in the ROM 2446 and outputs the image information of the menu image to the output switching unit 249.
Here, the main control unit 241 transmits the menu image request signal to the remote control 3 instead of the operation panel 261, so the main control unit 241 sends the menu image to the remote control 3. Outputs the control signal to be output. The output switching unit 249 to which the control signal is input outputs the image information of the menu image to the information compression unit 250 instead of the liquid crystal panel 2141.
In the information compression unit 250 for inputting image information, the input image information is compressed as described above, and the information size is reduced. Thereby, the image information of the menu image that can be transmitted to the remote controller 3 is generated.

If the request signal is for the whole image and the output image, the display control unit 2441 sends a control signal for instructing the display image forming unit 2442 and the displayable image forming unit 2443 to generate the display image and the displayable image. Output.
The display image forming unit 2442 forms an image of a predetermined area among the image information input via the FM 247 and outputs the image information of the image to the liquid crystal panel 2141 and the information compression unit 250. Here, the predetermined area is assumed to be when the electronic zoom function and the aspect conversion function are enabled. If these functions are not enabled, input is performed via the FM 247. An image corresponding to the image information to be formed is formed.
The displayable image forming unit 2443 forms a displayable image based on the image information input via the FM 247 and outputs the image information of the displayable image to the information compression unit 250.
In the information compression unit 250 to which the image information of the display image and the image information of the displayable image are input, the information is compressed as described above, whereby the image information of the output image corresponding to the display image and the display are displayed. Image information of the entire image corresponding to the possible image is generated.

Further, when the request signal is a divided image, a time division processing execution signal is output from the main control unit 241 to the time division processing unit 246, and the image information processed by the time division processing unit 246 is FM 246. And output to the divided image forming unit 2444. When a control signal is input from the display control unit 2441, the divided image forming unit 2444 forms a divided image and outputs image information of the divided image to the output switching unit 249. In addition, a display image indicating a region where a displayable image based on image information from the currently selected connection device 4 is displayed is generated, and the image information of the display image is output to the output switching unit 249.
As in the case of the menu image generation described above, a control signal for transmitting image information to the remote controller 3 is output from the main control unit 241 to the output switching unit 249, and thus input to the output switching unit 249. The image information is compressed by the information compression unit 250, and image information of divided images that can be transmitted to the remote controller 3 is generated.

  The image information of each image generated in this way is transmitted from the projector main body 2 to the remote controller 3 via the communication unit 23 (processing SP15). Thereafter, the projector main body 2 transmits a new signal. Waiting for reception (processing SP16).

In process SR12, in the remote controller 3 in which the image information from the projector main body 2 is in the reception monitoring state, the main control unit 3411 of the main control system 341 measures the time from the start of the monitoring state, and a predetermined time has elapsed. It is determined whether or not (Process SR13).
If it is determined that the predetermined time has elapsed, the main control unit 3411 outputs a control signal to the display control unit 3441 of the display control system 344, and an error message indicating that there is no response from the projector body 2. Is displayed on the display unit 31 (process SR31), and the process ends. Note that image information including such an error message is stored in the ROM 342 in advance.
On the other hand, if it is determined that the predetermined time has not elapsed, the reception monitoring of the image information from the projector main body 2 is continued, and it is determined whether or not the image information is received by the main control unit 3411 ( Process SR14).

Here, when it is determined that the image information has not been input, the process returns to the process SR12 again, and the reception monitoring of the image information is continued.
On the other hand, when it is determined that the image information has been input, the image is displayed on the display unit 31 based on the image information (process SR15).

  Here, when the remote controller 3 transmits a signal requesting a menu image in the process SR11 and receives information of the image from the projector body 2, the main control unit 3411 passes through the display control unit 3441 of the display control system 344. Thus, the entire image area information generating unit 3442 is caused to generate the entire image area information based on the image information of the menu image input from the memory 345. In this case, the entire image area information includes not only the area of the menu image but also the image information of the menu image. The entire image area information relating to the menu image generated in this way is output to the image area synthesis unit 3444, and the image based on the information is displayed on the display unit 31 by the image area synthesis unit 3444.

When the remote controller 3 transmits a signal requesting a display image in the process SR11 and receives information on the image from the projector main body 2, the main control unit 3411 receives the entire image area via the display control unit 3441. A control signal is transmitted to the information generating unit 3442 and the output image region information generating unit 3443, and image region information corresponding to the image information of the entire image and the image information of the output image input from the memory 345 is generated.
Specifically, the entire image area information generation unit 3442 sets an entire image display area according to the image information of the entire image, and generates entire image area information in which the display image is included in the area. Further, the output image area information generation unit 3443 sets the area of the output image at the position of the entire image corresponding to the position of the display image in the displayable image according to the image information of the output image, and darkens the outside of the area. Then, output image area information that is information of an image in which the area is brightened is generated.
The display image area information and the output image area information are output to the image area synthesis unit 3444, added and superimposed, and an image based on the superimposed image area information is displayed on the display unit 31.

Further, when the remote controller 3 transmits a signal requesting a divided image in the process SR11 and receives information of the image from the projector main body 2, the main control unit 3411 receives the entire image region information via the display control unit 3441. A control signal is transmitted to the generation unit 3442 and the output image region information generation unit 3443, and image region information corresponding to the image information of the divided image as the entire image and the image information of the selected region as the output image input from the memory 345 is obtained. Generate.
Specifically, the whole image area information generation unit 3442 sets a display area of the divided image according to the image information of the divided image, and generates whole image area information in which the divided image is included in the area. Further, the output image area information generation unit 3443 generates image area information of an image that darkens an area other than the selected area and brightens the inside of the selected area.
The display image area information and the image area information are output to the image area synthesis unit 3444, added and superimposed, and an image based on the superimposed image region information is displayed on the display unit 31.

After such image display on the display unit 31 by the process SR15, the remote controller 3 waits for an input operation by the user (process SR16), and the main control unit 3411 determines the presence or absence of the input operation (process SR17). ).
Here, if it is determined that an input operation has not been performed on the touch panel 32 provided on the display unit 31, the main control unit 3411 returns to the process SR16 and again enters a standby state for the input operation.
On the other hand, if it is determined that an input operation has been performed on the touch panel 32, the coordinates of the position where the input operation has been performed in the entire image area 311A are calculated, and the coordinate information indicating the coordinates is used as a control signal for the projector. Send to the main unit 2. When an input operation is performed on the key display areas 312, 313, the key on which the input operation has been performed is specified, and an operation control signal representing the key is transmitted to the projector main body 2 (process SR18). As shown in FIG. 13, it waits for reception of information from the projector body 2 (process SR19).

Also, as shown in FIG. 12, in the projector main body 2 in a standby state for receiving the operation control signal from the remote controller 3, the main control unit 241 determines whether or not the operation control signal has been received (processing SP17). ).
Here, when it is determined that the operation control signal has not been received, the process returns to the processing SP16 and continues to wait for the operation control signal.
On the other hand, when it is determined that the operation control signal has been received, the main control unit 241 determines whether the operation control signal is coordinate information (processing SP18).

If it is determined that the coordinate information is not included, the process returns to the processing SP13 to determine whether it is an image request signal.
On the other hand, if it is determined that the coordinate information is present, as shown in FIG. 13, the position where the coordinate where the input operation has been performed is located in the region of the displayable image is analyzed (processing SP19).
In the coordinate analysis, when a menu image is displayed on the display unit 31 of the remote controller 3, which key is used for input operation, electronic zoom, aspect conversion, input switching, When inputting characters, it is analyzed which area of the displayable image is designated.

  After this coordinate analysis, it is determined whether the operation of the remote controller 3 is to change the drive setting of the projector body 2 (processing SP20). If it is determined that the input operation is to change the drive setting, the setting is performed. The change is reflected (processing SP21). For example, when there is an input operation for changing the display image area at the time of electronic zoom or aspect conversion, the changed area is identified from the coordinate information, and the display image of the displayable image by the display image forming unit 2442 is specified. Change the area. Further, when the drive setting of the projector main body 2 is changed by an input operation when the menu image is displayed, the setting change is reflected.

  If the change of the drive setting is required according to the determination of the process SP20, the main control unit 241 of the projector main body 2 displays an image on the remote controller 3 after the process SP21. The image information to be generated is generated (processing SP22), transmitted to the remote controller 3 (processing SP23), and the processing ends. Note that the processing SP22 and SP23 are substantially the same as the processing SP14 and SP15, and thus description thereof is omitted.

In the process SR19, the remote controller 3 in the image information input standby state determines whether or not a predetermined time has elapsed since the transmission of the coordinate information (process SR20), as in the process SR13, and the predetermined time has elapsed. If it has, the error message indicating that there is no response from the projector body 2 is displayed as a timeout (processing SR31), and the processing is terminated.
Further, the main control unit 3411 of the remote controller 3 determines whether image information has been received (process SR21). If it is determined that the image information has not been received, the process returns to process SR19 and continues to wait for reception of image information.
If it is determined that image information has been received, the display control system 344 displays an image based on the image information on the display unit 31 (process SR22), and the process ends.

As described above, according to the projector system of the present embodiment described above, the following effects can be obtained.
That is, the display unit 31 of the remote controller 3 displays the entire image related to the displayable image based on the image information input to the projector main body 2 and the output image related to the display image projected and displayed from the projector main body 2. Therefore, it is possible to easily confirm which region in the entire image the output image is, that is, which region in the displayable image is the display image.
Therefore, the user can perform an input operation on the remote controller 3 while confirming the entire image and the output image displayed on the display unit 31 of the remote controller 3, and thus the projector main body 2 can be remotely operated. Can do. Therefore, the operability of the remote controller 3 can be improved and the operability of the projector system 1 can be improved.

(5) Modification of Embodiments The best configuration for carrying out the present invention has been disclosed above, but the present invention is not limited to this. That is, the invention has been illustrated and described primarily with respect to particular embodiments, but may be configured for the above-described embodiments without departing from the scope and spirit of the invention. Various modifications can be made by those skilled in the art in terms of materials, quantity, and other detailed configurations.
Therefore, the description limiting the shape, material, etc. disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded the limitation of one part or all of such is included in this invention.

  In the embodiment, the display unit 31 of the remote controller 3 displays the entire image related to the displayable image based on the image information generated by the projector body 2 and the output image related to the display image displayed on the projector body 2. However, the present invention is not limited to this. That is, it is sufficient that at least one of the entire image and the output image is displayed.

For example, when the entire image is displayed on the display unit 31 of the remote controller 3, an image other than the display image projected from the projector body 2 is also displayed on the display unit 31. In FIG. 2, it is possible to confirm what image information is input. Therefore, even in such a case, the operability of the remote controller 3 can be improved.
Further, when an output image is displayed on the display unit 31, it is not necessary for the projector main body 2 to face the screen 5 on which the optical image is projected when performing an input operation on the remote control 3, and the display unit 31 of the remote control 3 is displayed. An input operation can be performed on the remote controller 3 while watching. Therefore, even in such a case, the convenience of the remote controller 3 can be improved.

In the embodiment, the remote controller 3 is configured to include the touch panel 32. However, the present invention is not limited to this, and the remote controller 3 may be provided with a switch, and the projector main body 2 may be remotely operated by this switch.
If the remote controller 3 includes the touch panel 32 and the touch panel 32 is provided on the display unit 31, the remote controller 3 can be directly operated on images and keys displayed on the display unit 31. Input operation. Therefore, the input operation of the remote controller 3 can be simplified.

In the above embodiment, the image area synthesis unit 3444 adds and superimposes the entire image area information and the output image area information, and displays an image based on the image area information on the display unit 31. The present invention is not limited to this, and an image based on each image area information may be displayed.
If an image area synthesis unit 3444 is provided, and the image area synthesis unit 3444 displays an image based on the image area information obtained by adding and superimposing the entire image area information and the output image area information, the output in the entire image is displayed. The position of the image, that is, the position of the display image in the displayable image can be easily recognized, and the display unit 31 of the remote controller 3 can be downsized.

In the above embodiment, the projector main body 2 and the remote controller 3 perform wireless communication using a wireless LAN or the like. However, other communication formats may be adopted. That is, communication using infrared rays or the like may be used instead of wireless communication using radio waves. Furthermore, it may be wired communication via a communication cable. In this case, since communication between the projector main body 2 and the remote controller 3 can be realized at a high communication speed, compression of image information by the information compression unit 250 is reduced, and a clearer image is displayed on the display unit 31 of the remote control 3. It becomes possible.
Note that the projector main body 2 and the remote control 3 can be remotely operated from the remote control 3 without selecting a place by communicating wirelessly between the projector main body 2 and the remote control 3.

In the embodiment, the projector main body 2 forms a display image in which the area of the output image designated by the remote controller 3 is enlarged and projects it on the screen 5 during the electronic zoom. A function of changing the position of a displayable image as a display image projected on the screen 5 by forming it at a predetermined position in the image forming area of the liquid crystal panel 2141 and designating the predetermined position with the remote controller 3. It may be added. In such a case, the entire image area formed on the display unit 31 of the remote controller 3 is set as an image forming area in the liquid crystal panel 2141, and an output image related to a displayable image as a display image is displayed in the area. To do. Then, by designating the position of the output image on the display unit 31, a displayable image is formed at the position of the liquid crystal panel 2141 corresponding to the designated position and projected onto the screen 5. The position of the upper displayable image can be changed.
Furthermore, a function for deforming the output image area displayed on the display unit 31 of the remote controller 3 and correcting the trapezoid of the display image displayed on the screen 5 may be added. In this case, the keystone correction of the display image projected from the projector main body 2 may be performed by deforming the region of the output image displayed on the display unit 31 with the touch pen 36 or the like.

In the above embodiment, the projector main body 2 that enlarges and projects an optical image formed using the liquid crystal panel 2141 is exemplified as the image display device. However, the present invention is not limited to this, and an optical element other than the liquid crystal panel, such as a micromirror. It can also be used in projectors that use. In this case, the incident side polarizing plate 2142 and the emission side polarizing plate 2143 can be omitted. Furthermore, the present invention can be applied not only to projectors but also to CRT (Cathode-Ray Tube) displays, liquid crystal displays, plasma displays, and the like.
In the above embodiment, only an example of a front type projector that performs projection from the direction of observing the screen is given as the image display device. However, the present invention performs projection from the side opposite to the direction of observing the screen. It can also be applied to a rear type projector.

  The present invention can be suitably used as a remote controller for a projector, and can also be used as a remote controller for an image display device that forms an image according to input image information. Moreover, it can utilize suitably for the image display system provided with such an image display apparatus and a remote control.

1 is a configuration diagram showing a projector system according to an embodiment of the present invention. FIG. 2 is a schematic diagram showing an internal configuration of a projector main body in the embodiment. The block diagram which shows the internal structure of the projector main body in the said embodiment. The outline perspective view showing the remote controller in the above-mentioned embodiment. The figure which shows the basic screen displayed on the display part of the remote controller in the said embodiment. The figure which shows the menu image displayed on the display part of the remote controller in the said embodiment. (A) The figure which shows the image displayed on an image display area at the time of the electronic zoom in the said embodiment. (B) The figure which shows the image projected from a projector main body after the electronic zoom in the said embodiment. (A) The figure which shows the image displayed on an image display area at the time of aspect conversion in the said embodiment. (B) The figure which shows the image projected from a projector main body after the aspect conversion in the said embodiment. (A) The figure which shows the image displayed on an image display area at the time of the input switching in the said embodiment. (B) The figure which shows the image projected from a projector main body after the input switching in the said embodiment. (A) The figure which shows the image displayed on an image display area at the time of the character input in the said embodiment. (B) The figure which shows the image projected from a projector main body after the character input in the said embodiment. The block diagram which shows the internal structure of the remote controller in the said embodiment. The figure which shows the processing flow of the projector main body and remote controller in the said embodiment. The figure which shows the processing flow of the projector main body and remote controller in the said embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Projector system (image display system), 2 ... Projector main body (image display apparatus), 3 ... Remote control (remote controller), 24 ... Control board (display apparatus side control means), 31 ... Display part (operation side display means) , 32 ... touch panel (operation means), 34 ... control board (operation side control means), 231 ... reception section (display apparatus side reception means), 232 ... transmission section (display apparatus side transmission means), 332 ... transmission section (operation) Side transmission means), 3442... Entire image region information generation unit, 3443... Output image region information generation unit, 3444.

Claims (7)

A remote controller that is communicably connected to an image display device that forms an optical image according to input image information, and that remotely operates the image display device by an operator's input operation,
Operating means for detecting the input operation of the operator;
Based on an input operation by the operation means, an operation side control means for generating an operation control signal for performing operation control of the image display device;
An operation side transmission means for transmitting and outputting the operation control signal generated by the operation side control means to the image display device;
An image based on at least one of the information on the entire image related to the displayable image based on the image information input to the image display device and the information on the output image related to the display image displayed on the image display device An operation-side display means for displaying the remote controller. The remote controller according to claim 1,
The operation means includes a touch panel provided on the operation side display means,
The remote controller characterized in that the operation side control means generates an operation control signal based on an input operation of the touch panel. The remote controller according to claim 1 or 2,
The operation side control means includes
Based on the information on the whole image, a whole image area information generating unit that generates whole image area information representing a whole image area on the operation side display unit;
A display image area information generation unit that generates display image area information representing an area of the output image by the operation-side display unit based on the information of the output image;
A remote controller comprising: an image area synthesis unit that adds and superimposes image area information generated by each image area information generation unit and causes the operation side display unit to display the information. An image display device that forms an optical image in accordance with input image information, and a remote controller that is communicably connected to the image display device and that remotely operates the image display device by an operator's input operation. An image display system,
The remote controller is
Operating means for detecting the input operation of the operator;
Based on an input operation by the operation means, an operation side control means for generating an operation control signal for performing operation control of the image display device;
Operation-side transmission means for transmitting the operation control signal generated by the operation-side control means to the image display device; and
Operation-side display means for displaying at least one of an entire image related to a displayable image based on image information input to the image display device and an output image related to a display image displayed on the image display device; Prepared,
The image display device includes:
Display device side receiving means for receiving an operation control signal from the operation side transmitting means;
An image display system comprising: display device side control means for processing the input image information and controlling the entire image display device based on the received operation control signal. The image display system according to claim 4,
The image display device includes:
The display device side transmission means for transmitting and outputting the information of the entire image and the information of the output image as a result controlled by the display device side control means to the remote controller,
The remote controller is
An operation side receiving means for receiving information on the entire image and information on the output image from the image display device;
The operation side control means includes
An image comprising an operation-side display control unit that generates a display control signal to be displayed on the operation-side display unit based on information on the entire image and information on an output image received by the operation-side reception unit. Display system. The image display system according to claim 5,
The operation side control means includes
Based on the information on the whole image, a whole image area information generating unit that generates whole image area information representing a whole image area on the operation side display unit;
An output image area information generation unit that generates output image area information representing an area of the output image on the operation-side display unit based on the information of the output image;
An image display system comprising: an image region combining unit that adds and superimposes the image region information generated by each image region information generation unit and displays the added image region information on the operation-side display unit. The image display system according to claim 6,
The image area synthesis unit displays an area of an output image brightly in the superimposed image area information.

Images