Projector Device, Portable Telephone and Camera

Abstract

A projector device that generates a projection image, photographs this projection image and performs various adjustments to the projection image.

1 . A projector device that generates a projection image, photographs this projection image and performs various adjustments to the projection image. 
   
   
       2 . A projector device according to  claim 1 , comprising:
 a projection image generation device that projects an image upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object; and   a calibration control device that repeatedly executes calibration operation for adjusting an appearance of the projection image on the projection surface during projection of the projection image, based upon the photographic image of the projection image which is acquired by photography by the photographic device.   
   
   
       3 . A projector device according to  claim 2 , wherein the calibration control device repeatedly executes the calibration operation upon a fixed cycle. 
   
   
       4 . A projector device according to  claim 2 , further comprising an actuation input device for receiving actuation input from a user;
 and wherein the calibration control device repeatedly executes the calibration operation each time actuation input is performed to the actuation input device.   
   
   
       5 . A projector device according to  claim 2 , wherein:
 the projection image generation device projects an image which includes a predetermined shape pattern; and   the calibration control device executes the calibration operation based upon the predetermined shape pattern which is included in a photographic image of the projection image.   
   
   
       6 . A projector device according to  claim 5 , wherein:
 the projection image generation device projects the image including the predetermined shape pattern for a predetermined short time period; and   the photographic device photographs the projection image as an object to be photographed in synchronization with projection timing of the image.   
   
   
       7 . A projector device according to  claim 2 , further comprising a setting device that sets a frequency for execution of the calibration operation;
 and wherein the calibration control device:   when a first execution frequency is set by the setting device, repeatedly executes the calibration operation during the projection of the projection image;   when a second execution frequency is set, executes the calibration operation only once during projection of the projection image; and   when a third execution frequency is set, does not execute the calibration operation.   
   
   
       8 . A projector device according to  claim 1 , comprising:
 a projection image generation device that projects an image including a predetermined shape pattern upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object; and   a focusing device that adjusts a focus state of the projection image based upon the predetermined shape pattern included in the photographic image of the projection image which is acquired by photography by the photographic device.   
   
   
       9 . A projector device according to  claim 1 , comprising:
 a projection image generation device that projects either one of a still image and a moving image upon a projection surface and generates a projection image of the still image or the moving image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object; and   a focusing device that, when the still image is projected by the projection image generation device, adjusts a focus state of the projection image based upon the photographic image of the projection image which is acquired by photography by the photographic device.   
   
   
       10 . A projector device according to  claim 9 , wherein:
 when projecting the moving image, the projection image generation device includes a predetermined shape pattern in the moving image during projection; and   when the moving image in which the predetermined shape pattern is included is projected by the projection image generation device, the focusing device adjusts the focus state of the projection image based upon the predetermined shape pattern which is included in the photographic image of the projection image.   
   
   
       11 . A projector device according to  claim 8 , wherein the focusing device repeatedly performs the adjustment of the focus state of the projection image during the projection of the projection image. 
   
   
       12 . A projector device according to  claim 11 , wherein the focusing device repeatedly performs the adjustment of the focus state of the projection image upon a fixed cycle. 
   
   
       13 . A projector device according to  claim 11 , further comprising an actuation input device for receiving actuation input from a user;
 and wherein the focusing device repeatedly performs the adjustment of the focus state of the projection image each time actuation input is performed to the actuation device.   
   
   
       14 . A projector device according to  claim 8 , wherein:
 the projection image generation device projects the image including the predetermined shape pattern for a predetermined short time period; and   the photographic device photographs the projection image as the object to be photographed in synchronization with projection timing of the image.   
   
   
       15 . A projector device according to  claim 11 , further comprising a setting device that sets a frequency of adjustment of the focus state of the projection image;
 and wherein the focusing device:   when a first frequency of adjustment is set by the setting device, performs adjustment of the focus state of the projection image repeatedly during the projection of the projection image;   when a second frequency of adjustment is set, performs adjustment of the focus state of the projection image only once during the projection of the projection image; and   when a third frequency of adjustment is set, does not perform adjustment of the focus state of the projection image.   
   
   
       16 . A projector device according to  claim 1 , comprising:
 a projection image generation device that projects an image including a predetermined shape pattern upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object; and   a brightness adjustment device that adjusts a brightness of the projection image based upon the predetermined shape pattern included in the photographic image of the projection image which is acquired by photography by the photographic device.   
   
   
       17 . A projector device according to  claim 1 , comprising:
 a projection image generation device that comprises a light source, projects an image by using light emitted from the light source upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object; and   a brightness adjustment device that adjusts a brightness of the projection image based upon the photographic image of the projection image which is acquired by photography by the photographic device, by varying amount of light emission from the light source.   
   
   
       18 . A projector device according to  claim 17 , wherein the brightness adjustment device:
 if the brightness of the projection image is darker than a predetermined reference value, adjusts the brightness of the projection image by decreasing the amount of light emission from the light source; and   if the brightness of the projection image is brighter than the reference value, adjusts the brightness of the projection image by changing brightness of the image being projected.   
   
   
       19 . A projector device according to  claim 16 , wherein the brightness adjustment device repeatedly performs the adjustment of the brightness of the projection image during the projection of the projection image. 
   
   
       20 . A projector device according to  claim 19 , wherein the brightness adjustment device repeatedly performs the adjustment of the brightness of the projection image upon a fixed cycle. 
   
   
       21 . A projector device according to  claim 19 , further comprising an actuation input device for receiving actuation input from a user;
 and wherein the brightness adjustment device repeatedly performs the adjustment of the brightness of the projection image each time actuation input is performed to the actuation device.   
   
   
       22 . A projector device according to  claim 16 , wherein:
 the projection image generation device projects the image including the predetermined shape pattern for a predetermined short time period; and   the photographic device photographs the projection image as the object to be photographed in synchronization with projection timing of the image.   
   
   
       23 . A projector device according to  claim 19 , further comprising a setting device that sets a frequency of adjustment of the brightness of the projection image;
 and wherein the brightness adjustment device:   when a first frequency of adjustment is set by the setting device, performs adjustment of the brightness of the projection image repeatedly during the projection of the projection image;   when a second frequency of adjustment is set, performs adjustment of the brightness of the projection image only once during the projection of the projection image; and   when a third frequency of adjustment is set, does not perform adjustment of the brightness of the projection image.   
   
   
       24 . A projector device according to  claim 1 , comprising:
 a projection image generation device that projects an image including a predetermined shape pattern upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object; and   a hue adjustment device that adjusts the hue of the projection image based upon the predetermined shape pattern included in the photographic image of the projection image which is acquired by photography by the photographic device.   
   
   
       25 . A projector device according to  claim 1 , comprising:
 a projection image generation device that comprises a light source which emits light of a plurality of colors, projects an image by using light synthesized from the light of various colors emitted from the light source upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object; and   a hue adjustment device that adjusts a hue of the projection image based upon the photographic image of the projection image which is acquired by photography by the photographic device, by varying amount of light emission from the light source for each of its light emitting colors.   
   
   
       26 . A projector device according to  claim 24 , wherein the hue adjustment device repeatedly performs the adjustment of the hue of the projection image during the projection of the projection image. 
   
   
       27 . A projector device according to  claim 26 , wherein the hue adjustment device repeatedly performs the adjustment of the hue of the projection image upon a fixed cycle. 
   
   
       28 . A projector device according to  claim 26 , further comprising an actuation input device for receiving actuation input from a user;
 and wherein the hue adjustment device repeatedly performs the adjustment of the hue of the projection image each time actuation input is performed to the actuation device.   
   
   
       29 . A projector device according to  claim 24 , wherein:
 the projection image generation device projects the image including the predetermined shape pattern for a predetermined short time period; and   the photographic device photographs the projection image as the object to be photographed in synchronization with projection timing of the image.   
   
   
       30 . A projector device according to  claim 26 , further comprising a setting device that sets a frequency of adjustment for the hue of the projection image;
 and wherein the hue adjustment device:   when a first frequency of adjustment is set by the setting device, performs adjustment of the hue of the projection image repeatedly during the projection of the projection image;   when a second frequency of adjustment is set, performs adjustment of the hue of the projection image only once during the projection of the projection image; and   when a third frequency of adjustment is set, does not perform adjustment of the hue of the projection image.   
   
   
       31 . A projector device according to  claim 1 , comprising:
 a projection image generation device that projects an image including a predetermined drawing or symbol for specifying a shape of a projection image upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object; and   a trapezoidal compensation device that compensates trapezoidal deformation of the projection image created according to an angle between a projection direction of the projection image generation device and the projection surface, based upon the drawing or symbol included within the photographic image of the projection image which is acquired by photography by the photographic device.   
   
   
       32 . A projector device according to  claim 31 , wherein the trapezoidal compensation device repeatedly performs the compensation of the trapezoidal deformation during the projection of the projection image. 
   
   
       33 . A projector device according to  claim 31 , wherein the trapezoidal compensation device repeatedly performs the compensation of the trapezoidal deformation upon a fixed cycle. 
   
   
       34 . A projector device according to  claim 32 , further comprising an actuation input device for receiving actuation input from a user;
 and wherein the trapezoidal compensation device repeatedly performs the compensation of the trapezoidal deformation each time actuation input is performed to the actuation device.   
   
   
       35 . A projector device according to  claim 31 , wherein:
 the projection image generation device projects the image including the drawing or symbol for a predetermined short time period; and   the photographic device photographs the projection image as the object to be photographed in synchronization with projection timing of the image.   
   
   
       36 . A projector device according to  claim 32 , further comprising a setting device that sets a frequency of compensation of the trapezoidal deformation;
 and wherein the trapezoidal compensation device:   when a first frequency of adjustment is set by the setting device, performs compensation of the trapezoidal deformation repeatedly during the projection of the projection image;   when a second frequency of adjustment is set, performs compensation of the trapezoidal deformation only once during the projection of the projection image; and   when a third frequency of adjustment is set, does not perform compensation of the trapezoidal deformation.   
   
   
       37 . A projector device according to  claim 1 , comprising:
 a projection image generation device whose projection focal point position is variable, that projects an image upon a projection surface and generates a projection image of the image;   a photographic device whose photographic focal point position is variable, that photographs an object to be photographed and acquires a photographic image of the object; and   a calibration control device that executes a calibration operation for adjusting an appearance of the projection image upon the projection surface, based upon the photographic image of the projection image which is acquired by photography by the photographic device; and wherein:   the projection image generation device generates the projection images for a plurality of different projection focal point positions;   the photographic device acquires the photographic images of the plurality of projection images which is generated by the projection image generation device at the plurality of projection focal point positions, respectively at a plurality of photographic focal point positions at which the distances with respect to the projector device are respectively almost equal to those at the plurality of projection focal point positions; and   the calibration control device executes the calibration operation based upon the photographic images of the plurality of projection images which is acquired by the photographic device at the plurality of photographic focal point positions.   
   
   
       38 . A projector device according to  claim 1 , comprising:
 a projection image generation device whose projection focal point position is variable, that projects an image upon a projection surface and generates a projection image of the image;   a photographic device whose photographic focal point position is variable, that photographs an object to be photographed and acquires a photographic image of the object; and   a calibration control device that executes a calibration operation for adjusting an appearance of the projection image upon the projection surface, based upon the photographic image of the projection image which is acquired by photography by the photographic device; and wherein:   the projection image generation device generates the projection images for a plurality of different projection focal point positions;   the photographic device acquires the photographic images of the plurality of projection images which is generated by the projection image generation device at the plurality of projection focal point positions, all at a single fixed photographic focal point position; and   the calibration control device executes the calibration operation based upon the photographic images of the plurality of projection images which is acquired by the photographic device at the single photographic focal point position.   
   
   
       39 . A projector device according to  claim 38 , wherein:
 if the photographic images of the plurality of projection images which is acquired by the photographic device at the single photographic focal point position satisfy a predetermined condition, after adjusting the photographic focal point position based upon the photographic images of the plurality of projection images, the generation of the plurality of projection images by the projection image generation device and the acquisition of the photographic images of the plurality of projection images by the photographic device are performed for a second time, with the photographic focal point position after adjustment.   
   
   
       40 . A projector device according to  claim 38 , wherein the photographic device acquires each of the photographic images of the plurality of projection images by fixing the photographic focal point position, so as to obtain a pan focus state in which the focus of the photographic images which are acquired is set from close to infinity. 
   
   
       41 . A projector device according to  claim 1 , comprising:
 a projection image generation device that projects an image upon a projection surface and generates a projection image of the image;   a photographic device that is capable of zooming, photographs an object to be photographed and acquires a photographic image of the object;   a zooming control device that controls a zoom position of the photographic device; and   a calibration control device that executes a calibration operation for adjusting an appearance of the projection image upon the projection surface, based upon the photographic image of the projection image which is acquired by photography by the photographic device; and wherein:   when photographing the projection image by the photographic device, the zooming control device controls the zoom position of the photographic device to a predetermined zoom position which is set in advance, so that a photographic range of the photographic device includes at least a projection range of the projection image.   
   
   
       42 . A projector device according to  claim 1 , comprising:
 a projection image generation device that comprises a light source which emits light of a predetermined hue characteristic, projects an image by using light emitted from the light source upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object;   a hue adjustment device that adjusts a hue of the photographic image; and   a calibration control device that executes a calibration operation for adjusting an appearance of the projection image upon the projection surface, based upon the photographic image of the projection image which is acquired by photography by the photographic device; and wherein:   when photographing the projection image by the photographic device, the hue adjustment device adjusts the hue of the acquired photographic image based upon predetermined color conversion rules set in advance according to the hue characteristics of the light source.   
   
   
       43 . A projector device according to  claim 37 , further comprising a state storage device that stores a state of the photographic focal point position before the projection image is photographed by the photographic device;
 and wherein, after the generation of the projection image by the projection image generation device is stopped, or after the execution of the calibration operation by the calibration control device is stopped, the photographic focal point position is returned to its state stored by the state storage device.   
   
   
       44 . A projector device according to  claim 41 , further comprising a state storage device that stores a state of the zoom position before the projection image is photographed by the photographic device;
 and wherein, after the generation of the projection image by the projection image generation device is stopped, or after the execution of the calibration operation by the calibration control device is stopped, the zoom position is returned to its state stored by the state storage device.   
   
   
       45 . A projector device according to  claim 42 , further comprising a state storage device that stores a state of color conversion rules by the hue adjustment device before the projection image is photographed by the photographic device;
 and wherein:   when the projection image is not being photographed by the photographic device, the hue of the photographic image is adjusted by the hue adjustment device, based upon color conversion rules which are different from the predetermined color conversion rules; and   after the generation of the projection image by the projection image generation device is stopped, or after the execution of the calibration operation by the calibration control device is stopped, the state of the color conversion rules for the hue adjustment device is returned to its state stored by the state storage device.   
   
   
       46 . A projector device according to  claim 1 , comprising:
 a projection image generation device that projects an image upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object;   a photographic direction change mechanism that changes a photographic direction of the photographic device;   a calibration control device that executes a calibration operation for adjusting an appearances of the projection image upon the projection surface, based upon the photographic image of the projection image which is acquired by photography by the photographic device;   a decision device that decides whether or not a projection direction of the projection image generation device and the photographic direction of the photographic device are the same direction; and   a warning device that emits a warning when it is decided by the decision device that the projection direction and the photographic direction are not the same direction.   
   
   
       47 . A projector device according to  claim 1 , comprising:
 a projection image generation device that projects an image upon a projection surface and generates a projection image of the image;   a photographic device that photographs an object to be photographed and acquires a photographic image of the object;   a photographic direction change mechanism that changes a photographic direction of the photographic device;   a calibration control device that executes a calibration operation for adjusting an appearance of the projection image upon the projection surface, based upon the photographic image of the projection image which is acquired by photography by the photographic device;   a decision device that decides whether or not the projection direction of the projection image generation device and the photographic direction of the photographic device are the same direction; and   an operation permission device that permits an operation of the projection image generation device only if it is decided by the decision device that the projection direction and the photographic direction are the same direction.   
   
   
       48 . A projector device, comprising:
 a body portion that has a construction to be folded around a hinge unit as a center and comprises a first portion and a second portion which are linked by the hinge unit;   a detection device that detects a folding angle of the body portion;   a projection image generation device that projects an image upon a projection surface and generates a projection image of the image, whose projection direction is fixed with respect to the first portion; and   a trapezoidal compensation device that compensates trapezoidal deformation of the projection image created according to an angle between the projection direction of the projection image generation device and the projection surface, based upon the folding angle which is detected by the detection device.   
   
   
       49 . A projector device, comprising:
 a body portion that comprises a first portion which has a construction to be rotated around a predetermined rotation shaft as a center and a second portion which is linked to the first portion;   a detection device that detects a rotational angle of the first portion with respect to a predetermined reference position;   a projection image generation device that projects an image upon a projection surface and generates a projection image of the image, whose projection direction is fixed with respect to the first portion; and   a trapezoidal compensation device that compensates trapezoidal deformation of the projection image created according to an angle between the projection direction of the projection image generation device and the projection surface, based upon the rotational angle which is detected by the detection device.   
   
   
       50 . A projector device according to  claim 48 , wherein the trapezoidal compensation device repeatedly performs the compensation of the trapezoidal deformation during the projection of the projection image. 
   
   
       51 . A projector device according to  claim 50 , wherein the trapezoidal compensation device repeatedly performs the compensation of the trapezoidal deformation upon a fixed cycle. 
   
   
       52 . A projector device according to  claim 50 , further comprising an actuation input device for receiving actuation input from a user;
 and wherein the trapezoidal compensation device repeatedly performs the compensation of the trapezoidal deformation each time actuation input is performed to the actuation input device.   
   
   
       53 . A projector device according to  claim 50 , further comprising a setting device that sets a frequency of compensation of the trapezoidal deformation;
 and wherein the trapezoidal compensation device:   when a first frequency of adjustment is set by the setting device, performs compensation of the trapezoidal deformation repeatedly during the projection of the projection image;   when a second frequency of adjustment is set, performs compensation of the trapezoidal deformation only once during the projection of the projection image; and   when a third frequency of adjustment is set, does not perform compensation of the trapezoidal deformation.   
   
   
       54 . A portable telephone, comprising a projector device according  claim 1  and a wireless communication device that performs communication with another terminal via an external wireless communication facility. 
   
   
       55 . A camera, comprising a projector device according to  claim 1 .