Patent application number | Description | Published |
20090040466 | IMAGE DISPLAY DEVICE - An image display device includes: a screen having a fluorescent region including a fluorescent material; a light irradiation system, including: a first light source outputting excitation light exciting the fluorescent material; a second light source outputting visible light; a driving unit individually operating the first light source and the second light source corresponding to image information; and a scanning unit scanning with a light beam output from each of the first light source and the second light source in a main scanning direction and a sub-scanning direction intersecting with the main scanning direction on the screen; and | 02-12-2009 |
20090195644 | IMAGE FORMING APPARATUS - An image forming apparatus that can form an image composed of pixels on an image forming plane such that, by suppressing density of the pixels in each portion of the image to be formed on the image forming plane from becoming ununiformity, a natural image free from distortion or deflection is observed regardless of a shape of the image forming plane even in the case where the image forming plane is viewed at any position are provided. The image forming apparatus forms includes a light emitting unit that emits the light; a light scanning unit having at least one actuator in which a movable plate having a light reflector that reflects the light emitted from the light emitting unit is rotatably provided around one rotation axis or two rotation axes which are orthogonal to each other, the actuator irradiating and scanning the light reflected on the light reflector onto the image forming plane by rotation of the movable plate; a drive pattern generating unit that generates a drive pattern of the light emitting unit, the drive pattern by which the light emitting unit can emit the light with such timing and emission time that suppress density of the pixels in each portion of the image to be formed on the image forming plane from becoming ununiformity, wherein the ununiformity in the density of the pixels would be generated due to differences between incident angles of the light to be irradiated with respect to portions of the image forming plane corresponding to the respective pixels or differences between distances from the light emitting unit to the respective portions of the image forming plane; and a controlling unit that controls operation of the light emitting unit based on the drive pattern generated by the drive pattern generating unit. | 08-06-2009 |
20100118368 | LIGHT SCANNING DEVICE AND IMAGE FORMING DEVICE - A light scanning device includes a light source outputting a laser beam, a light deflecting unit having a light reflecting unit, the light deflecting unit being adapted to be rotatable about a predetermined axis and scanning an object with the laser beam reflected by the light reflecting unit, a drive controlling unit controlling a deflection angle variation in a vertical direction of the light deflecting unit per unit time so that an interval between scanning lines in the vertical direction by the light deflecting unit is constant, and a driving unit rotationally driving the light deflecting unit in accordance with an rotational angle determined by the driving controlling unit. | 05-13-2010 |
20100259726 | DISPLAY APPARATUS - A display apparatus includes: a light modulation section having a plurality of translucent window sections; a light emitting section having a light source adapted to emit light; a light guide section having a tubular reflecting surface having a function of guiding the light from the light source to the light modulation section; and a light separation section provided to the light modulation section and disposed in a vicinity of the light source in parallel to or in substantially parallel to a lateral cross-sectional surface of the tubular reflecting surface, and having a light separation surface having a function of separating the light from the light guide section into transmitted light transmitted toward the light modulation section and reflected light reflected toward the light guide section, wherein the tubular reflecting surface narrows from the light modulation section toward the light emitting section so as to guide the reflected light to the translucent window sections, denoting a lateral cross-sectional area of an inside area of the tubular reflecting surface at an end on the light source side as S | 10-14-2010 |
20110205497 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a projector configured to be capable of projecting light to thereby display an image on a rendering region formed on a display surface set around a guiding point to which a person should be guided and changing a position of the rendering region; a detecting unit that detects whether a person is present in a detection region set near the display surface and detects, when a person is present in the detection region, a moving state of the person; and a control unit that controls, on the basis of a detection result of the detecting unit, driving of the projector to guide the person present in the detection region to the guiding point. | 08-25-2011 |
20110205611 | LIGHT SCANNING DEVICE AND IMAGE FORMING DEVICE - A light scanning device includes a light source outputting a laser beam, a light deflecting unit having a light reflecting unit, the light deflecting unit being adapted to be rotatable about a predetermined axis and scanning an object with the laser beam reflected by the light reflecting unit, a drive controlling unit controlling a deflection angle variation in a vertical direction of the light deflecting unit per unit time so that an interval between scanning lines in the vertical direction by the light deflecting unit is constant, and a driving unit rotationally driving the light deflecting unit in accordance with an rotational angle determined by the driving controlling unit. | 08-25-2011 |
20110317132 | IMAGE DISPLAY DEVICE - An image display device having a screen having a fluorescent region including a fluorescent material; a light irradiation system, including a first light source outputting excitation light exciting the fluorescent material; a second light source outputting visible light; a scanning unit scanning with a light beam output from each of the first light source and the second light source on the screen; and an excitation light wavelength band reflector reflecting light in a wavelength band of the excitation light toward the screen, and formed on an output side of a light beam from the light irradiation system with respect to the screen. The visible light output from the second light source is diffused by the screen, while the excitation light output from the first light source develops a color different from that of the visible light by being projected in the fluorescent region. | 12-29-2011 |
20120229776 | IMAGE DISPLAY DEVICE HAVING A SCREEN WITH A FLUORESCENT REGION - An image display device having a screen having a fluorescent region including a fluorescent material; a light irradiation system, including a first light source outputting excitation light exciting the fluorescent material; a second light source outputting visible light; a scanning unit scanning with a light beam output from each of the first light source and the second light source on the screen; and an excitation light wavelength band reflector reflecting light in a wavelength band of the excitation light toward the screen, and formed on an output side of a light beam from the light irradiation system with respect to the screen. The visible light output from the second light source is diffused by the screen, while the excitation light output from the first light source develops a color different from that of the visible light by being projected in the fluorescent region. | 09-13-2012 |
Patent application number | Description | Published |
20100245237 | Virtual Reality Environment Generating Apparatus and Controller Apparatus - The present invention provides a virtual reality environment generating apparatus including a non-base type interface configured to allow a user to haptically touch virtual objects and game characters. The virtual reality environment generating apparatus includes a content creating device | 09-30-2010 |
20130265148 | HAPTIC INFORMATION PRESENTATION SYSTEM AND METHOD - A system and method are disclosed in which in a conventional non-grounding man-machine interface having no reaction base on the human body and for giving the existence of a virtual object and the impact force of a collision to a person, a haptic sensation of a torque, a force and the like can be continuously presented in the same direction, which cannot be presented by only the physical characteristic of a haptic sensation presentation device. In a haptic presentation device, the rotation velocity of at least one rotator in the haptic presentation device is controlled by a control device, and a vibration, a force or a torque as the physical characteristic is controlled, so that the user is made to conceive various haptic information of the vibration, force, torque or the like. | 10-10-2013 |
20130265149 | HAPTIC INFORMATION PRESENTATION SYSTEM AND METHOD - A system and method are disclosed in which in a conventional non-grounding man-machine interface having no reaction base on the human body and for giving the existence of a virtual object and the impact force of a collision to a person, a haptic sensation of a torque, a force and the like can be continuously presented in the same direction, which cannot be presented by only the physical characteristic of a haptic sensation presentation device. In a haptic presentation device, the rotation velocity of at least one rotator in the haptic presentation device is controlled by a control device, and a vibration, a force or a torque as the physical characteristic is controlled, so that the user is made to conceive various haptic information of the vibration, force, torque or the like. | 10-10-2013 |
20130265254 | HAPTIC INFORMATION PRESENTATION SYSTEM AND METHOD - A system and method are disclosed in which in a conventional non-grounding man-machine interface having no reaction base on the human body and for giving the existence of a virtual object and the impact force of a collision to a person, a haptic sensation of a torque, a force and the like can be continuously presented in the same direction, which cannot be presented by only the physical characteristic of a haptic sensation presentation device. In a haptic presentation device, the rotation velocity of at least one rotator in the haptic presentation device is controlled by a control device, and a vibration, a force or a torque as the physical characteristic is controlled, so that the user is made to conceive various haptic information of the vibration, force, torque or the like. | 10-10-2013 |