Abstract: A spatial projection apparatus is provided. The apparatus includes an optical medium that diffuses a projected light. The apparatus further includes a light guide optical system that guides the projected light diffused by the optical medium and forms an image on a spatial imaging unit. The optical medium can be formed with a plate shape, a film shape, a three-dimensional shape including unevenness, in smoke-form, fluid-form, or mist-form.

Abstract: An image forming medium changing device includes a changing unit configured to change a characteristic of an image forming medium on which projected light is focused, wherein the projected light is refocused on an aerial space image forming section by a light guide optical system. A spatial projection apparatus including the image forming medium changing device includes multiple image forming media having different characteristics, and the changing unit is configured to be driven to dispose one image forming medium selected from the multiple image forming media on an image forming effective area interposed between a light source of the projected light and the light guide optical system.

Abstract: A detection apparatus includes at least one processing unit, a light guide optical system configured to focus projected light to a spatial image forming plane to form an image thereon, and a sensor configured to shine a laser beam over a set scanning range to detect an entry depth of a target object in a direction orthogonal to the spatial image forming plane and an entry position of the target object on the spatial image forming plane, and the processing unit executes an operation associated with the entry position when the entry depth of the target object reaches a set depth. A display mode of a pointer image is displayed as superimposed on the spatial image forming plane is caused to change step by step in accordance with the entry depth of the target object in a direction orthogonal to the image forming plane which is detected by the sensor.

Abstract: A detection apparatus includes at least one processing unit, a light guide optical system configured to cause projected light to focus on a spatial image forming plane to form an image thereon, and a camera configured to detect an entry depth of a target object in a direction orthogonal to the spatial image forming plane and an entry position of the target object on the spatial image forming plane based on an image captured in such a manner that the spatial image forming plane is included within an angle of view, and the processing unit executes an operation associated with the entry position when the entry depth of the target object reaches a set depth.

Abstract: A detection apparatus includes at least one processing unit, a light guide optical system configured to focus projected light to a spatial image forming plane to form an image thereon, and a sensor configured to shine a laser beam over a set scanning range to detect an entry depth of a target object in a direction orthogonal to the spatial image forming plane and an entry position of the target object on the spatial image forming plane, and the processing unit executes an operation associated with the entry position when the entry depth of the target object reaches a set depth.

Abstract: A projector includes a projection unit configured to emit projected light, a first projection unit configured to form an image in an aerial projection region from a first part of the projected light, and a second projection unit configured to form an image on a real projection surface from a second part of the projected light, the second part being different from the first part.

Abstract: An image forming medium changing device includes a changing unit configured to change a characteristic of an image forming medium on which projected light is focused, wherein the projected light is refocused on an aerial space image forming section by a light guide optical system. A spatial projection apparatus including the image forming medium changing device includes multiple image forming media having different characteristics, and the changing unit is configured to be driven to dispose one image forming medium selected from the multiple image forming media on an image forming effective area interposed between a light source of the projected light and the light guide optical system.

Abstract: A projection processor includes a processing unit, and the processing unit obtains information concerning a first projected image which is projected by a projector to be formed on an image forming medium and corrects information concerning a second projected image which is formed on the image forming medium as projected light, which is to be refocused on an aerial space image forming section by a light guide optical system, based on the information concerning the first projected image obtained.

Abstract: The present invention aims to make it possible to detect deterioration of a housing of a projection apparatus and to notify a user of the deterioration of the housing. The projection apparatus includes a projected image processing unit which registers a deformation parameter as an initial value in a case where the deformation parameter for a projected image is set as an initial setting to be made at the time of installation of the projection apparatus as a registration control unit. In a case where the deformation parameter for the projected image is adjusted by a user operation after the initial setting is made, the projected image processing unit decides whether an adjustment degree that the deformation parameter is adjusted from the initial value reaches a predetermined threshold value as a decision unit.

Abstract: The present invention aims to make it possible to detect deterioration of a housing of a projection apparatus and to notify a user of the deterioration of the housing. A projection apparatus includes at least one processor and an acceleration sensor which detects an inclination of the projection apparatus, in which the processor performs the processes of acquiring a difference between i) a first detection value which is detected by the acceleration sensor in a case where the projection apparatus is installed on an installation surface and ii) a second value which is detected by the acceleration sensor at a time which comes after the installation of the projection apparatus with the projection apparatus on the installation surface, and in a case where the difference becomes more than a threshold value, controlling to notify a warning at a predetermined timing by functioning as a notification unit or to stop functions of the projection apparatus.

Abstract: The present invention aims to make it possible to detect deterioration of a housing of a projection apparatus and to notify a user of the deterioration of the housing. A projection apparatus includes at least one processor and an acceleration sensor which detects an inclination of the projection apparatus, in which the processor performs the processes of acquiring a difference between i) a first detection value which is detected by the acceleration sensor in a case where the projection apparatus is installed on an installation surface and ii) a second value which is detected by the acceleration sensor at a time which comes after the installation of the projection apparatus with the projection apparatus on the installation surface, and in a case where the difference becomes more than a threshold value, controlling to notify a warning at a predetermined timing by functioning as a notification unit or to stop functions of the projection apparatus.

Abstract: The present invention aims to make it possible to detect deterioration of a housing of a projection apparatus and to notify a user of the deterioration of the housing. The projection apparatus includes a projected image processing unit which registers a deformation parameter as an initial value in a case where the deformation parameter for a projected image is set as an initial setting to be made at the time of installation of the projection apparatus as a registration control unit. In a case where the deformation parameter for the projected image is adjusted by a user operation after the initial setting is made, the projected image processing unit decides whether an adjustment degree that the deformation parameter is adjusted from the initial value reaches a predetermined threshold value as a decision unit.

Abstract: A light source unit includes an excitation light source, a luminescent material plate which receives excitation light emitted from the excitation light source to emit luminescent light, a drive module which moves the luminescent material plate in an in-plane direction of a surface of the luminescent material plate, and a drive control module which controls the drive module to move the luminescent material plate on a predetermined cycle.

Abstract: A light source unit includes an excitation light source, a luminescent material plate which receives excitation light emitted from the excitation light source to emit luminescent light, a drive module which moves the luminescent material plate in an in-plane direction of a surface of the luminescent material plate, and a drive control module which controls the drive module to move the luminescent material plate on a predetermined cycle.

Abstract: A first cooling unit is provided for an exothermic member and has a capability of cooling the exothermic member to a temperature less than an ambient temperature of the exothermic member by absorbing heat from the exothermic member. A second cooling unit has a capability of cooling the exothermic member by blowing air onto the exothermic member. A temperature of the exothermic member is detected. It is determined that whether or not the exothermic member is in a supercooled state based on a detection result. The cooling capability of the first cooling unit is decreased and the cooling capability of the second cooling unit is increased, when the exothermic member is in the supercooled state.

Abstract: Described is a light source unit which emits fluorescence light to a display element which displays an image by using the fluorescence light including an excitation light source which emits excitation light, a collecting unit which collects the excitation light emitted from the excitation light source and a fluorescent plate which converts the excitation light collected by the collecting unit into the fluorescence light, and a position of the fluorescent plate is shifted from a position where the fluorescence light is the brightest by a predetermined distance along a light axis direction of the collecting unit.

Abstract: A projector apparatus includes a light source, a projection unit to form an optical image by using the light source and to project the formed image, an input unit to input a video signal representing the image, a person detection unit to detect a person existing in a projection area, a first projection control unit to set the projector apparatus to a projection state using a preset illumination pattern, when a person has been detected in the projection area, a motion analyzing unit to analyze a person's motion in the projection area, and a second projection control unit to activate the motion analyzing unit, after setting the projector apparatus to the projection state using the preset illumination pattern.

Abstract: A light source system includes a luminescent wheel, a driving unit for rotating the luminescent wheel, a light source for shining excitation light on to a luminescent material layer of the luminescent wheel, a light shining control unit for controlling an illumination timing of the light source, a light shining time integrating unit for integrating individual excitation light shining times to a plurality of predetermined divided areas of the luminescent wheel, an integrated light shining time storage unit for storing the individual light shining times to the predetermined divided areas, and a light shining range control unit for equalizing times over which excitation light is shone on to the plurality of predetermined divided areas of the luminescent wheel based on the individual excitation light shining times to the predetermined divided areas.

Abstract: A projector apparatus includes a light source, a projection unit to form an optical image by using the light source and to project the formed image, an input unit to input a video signal representing the image, a person detection unit to detect a person existing in a projection area, a first projection control unit to set the projector apparatus to a projection state using a preset illumination pattern, when a person has been detected in the projection area, a motion analyzing unit to analyze a person's motion in the projection area, and a second projection control unit to activate the motion analyzing unit, after setting the projector apparatus to the projection state using the preset illumination pattern.

Abstract: There are provided a light source system which can suppress the deterioration of a luminescent material and a projector which can project a clear image. The light source system comprises a luminescent wheel, a driving unit for rotating the luminescent wheel, a light source for shining excitation light on to a luminescent material layer of the luminescent wheel, a light shining control unit for controlling an illumination timing of the light source, a light shining time integrating unit for integrating individual excitation light shining times to a plurality of predetermined divided areas of the luminescent wheel, an integrated light shining time storage unit for storing the individual light shining times to the predetermined divided areas, and a light shining range control unit for equalizing times over which excitation light is shone on to the plurality of predetermined divided areas of the luminescent wheel based on the individual excitation light shining times to the predetermined divided areas.