Abstract: A road management device comprises an arithmetic section that performs a certain analysis on a road using information acquired by a moving body (a vehicle) moving along the road. The arithmetic section performs the certain analysis on the road in a first time slot using first information acquired by a first moving body of a first kind, and performs the certain analysis on the road in a second time slot using second information acquired by a second moving body of a second kind.

Abstract: An information acquisition apparatus provided in a moving object (vehicle) that moves on a road includes: a storage unit that records therein information about the road that is acquired based on movement of the moving object on the road; a determination unit that determines the type of the road on which the moving object moves and determines whether the road is of a predetermined type defined in association with the type of the moving object; and an identifying unit that identifies the information about the road acquired based on the movement of the moving object on the road of the predetermined type and recorded in the storage unit.

Abstract: A communication system includes an information acquisition unit that acquires information (road information), a type identifying unit that identifies the type of the information acquired by the information acquisition unit, a storage unit (vehicle storage unit, server storage unit) that stores relationship information that associates the type of the information with the transmission direction of the information, and a direction identifying unit that identifies the transmission direction of the information acquired by the information acquisition unit based on the identification result by the type identifying unit and the relationship information stored in the storage unit (vehicle storage unit, server storage unit).

Abstract: A road management system includes: an avoiding action detecting section that detects an avoiding action of a moving body (a vehicle, a first vehicle) moving along a road; a position detecting section that detects a position of the moving body (the vehicle, the first vehicle); an avoidance position determining section that determines an avoidance position where the avoiding action has occurred, based on a detection result of the avoiding action detecting section and a detection result of the position detecting section; and an imaging section that images a road surface of the avoidance position.

Abstract: A fuel filler cap canister for a fuel filler cap includes: a base part having an attachment section attached to the cap and a communicating hole communicating with a fuel tank and formed in the base part; and a case member assembled to the base part and having an inner volumetric space provided with a spiral rib. The spiral rib extends from an opposing face of the case member facing the base part or an opposing face of the base part facing the case member toward the base part or the case member, respectively, and forms an adsorption path connecting the communicating hole and an atmosphere communicating hole formed in either one of a vicinity of a peripheral edge or substantially a central portion of the opposing face of the case member facing the base part. The adsorption path is filled with an adsorbing device.

Abstract: A road management device comprises an arithmetic section that performs a certain analysis on a road using information acquired by a moving body (a vehicle) moving along the road. The arithmetic section performs the certain analysis on a first road of a first kind using first information acquired by a first moving body of a first kind, and performs the certain analysis on a second road of a second kind using second information acquired by a second moving body of a second kind.

Abstract: An information acquisition apparatus provided in a moving object (vehicle) that moves on a road includes: a storage unit that records therein information about the road that is acquired based on movement of the moving object on the road; a determination unit that determines the time at which the moving object moves and determines whether the time is included in a predetermined time period of the day defined in association with the type of the moving object; and an identifying unit that identifies the information about the road acquired based on the movement of the moving object on the road in the predetermined time period of the day and recorded in the storage unit.

Abstract: An information acquisition apparatus provided in a moving object (vehicle) that moves on a road includes: a storage unit that records therein information about the road that is acquired based on movement of the moving object on the road; a determination unit that determines the type of the road on which the moving object moves and determines whether the road is of a predetermined type defined in association with the type of the moving object; and an identifying unit that identifies the information about the road acquired based on the movement of the moving object on the road of the predetermined type and recorded in the storage unit.

Abstract: A road management device comprises an arithmetic section that performs a certain analysis on a road using information acquired by a moving body (a vehicle) moving along the road. The arithmetic section performs the certain analysis on the road in a first time slot using first information acquired by a first moving body of a first kind, and performs the certain analysis on the road in a second time slot using second information acquired by a second moving body of a second kind.

Abstract: A communication system includes an information acquisition unit that acquires information (road information), a type identifying unit that identifies the type of the information acquired by the information acquisition unit, a storage unit (vehicle storage unit, server storage unit) that stores relationship information that associates the type of the information with the transmission direction of the information, and a direction identifying unit that identifies the transmission direction of the information acquired by the information acquisition unit based on the identification result by the type identifying unit and the relationship information stored in the storage unit (vehicle storage unit, server storage unit).

Abstract: A road management system includes: an avoiding action detecting section that detects an avoiding action of a moving body (a vehicle, a first vehicle) moving along a road; a position detecting section that detects a position of the moving body (the vehicle, the first vehicle); an avoidance position determining section that determines an avoidance position where the avoiding action has occurred, based on a detection result of the avoiding action detecting section and a detection result of the position detecting section; and an imaging section that images a road surface of the avoidance position.

Abstract: The purpose of the present invention is to efficiently orient image light toward an observer. A display device outputs projection light for displaying an image. A transmission type screen forms an image of the projection light and diffuses the same as image light. A projection lens enlarges projection light and forms the image on the transmission type screen. A light distribution adjustment means is disposed between the transmission type screen and the projection lens and adjusts the light distribution of the image light output by the transmission type screen for each region by refracting the projection light.

Abstract: The present invention relates to a picture generation unit for a head-up display. The picture generation unit comprises an array of light-sources for emitting beams of light, the light sources being arranged in a matrix of Ly rows and Lx columns; an array of collimation lenses for receiving said emitted beams of light, the collimation lenses being arranged in a matrix of Ly rows and Lx columns; a micro lens array for receiving light from the collimation lenses and providing a focused light output, the micro lens array arranged in a matrix of Fy rows and Fx columns, wherein Fx>2·Lx and Fy>2·Ly; a field lens array for receiving said light from the micro lens array and providing a collimated light output, the field lens array arranged in a matrix of Lx rows and Ly columns; and an image generation unit for receiving said collimated light output.

Abstract: The purpose of the present invention is to provide a compact and low-cost head-up display device capable of creating a sense of depth in a virtual image. This head-up display device includes a light-emitting device, a reflecting mirror, and a screen. The reflecting mirror includes two reflecting surfaces that are a first reflecting surface having a flat shape and a second reflecting surface having a curved shape. The screen is composed of a first screen through which the light reflected from the first reflecting surface passes, and a second screen through which the light reflected from the second reflecting surface passes. The first screen and the second screen are disposed so that the length of a first optical path in which the light emitted from the light-emitting device reaches the first screen is different from the length of a second optical path in which the light emitted from the light-emitting device reaches the second screen.

Abstract: Provided is a head-up display which facilitates the differentiation of information contained in a stereoscopic display and which enables display having a stereoscopic effect, by rotating either a first display surface of a first image generation unit corresponding to a first virtual image display surface, or a reflection unit for aiming first display light emitted from the first image generation unit at a front window shield (transmission/reflection unit), to change the angle formed by the first virtual image display surface and a second virtual image display surface.

Abstract: The present invention is compact and inexpensive, has good light efficiency, and enables a display image having a plurality of display distances to be displayed. A display emits projection light for displaying a display image at a predetermined position, and an image formation position adjusting mirror receives the projection light emitted from the display, performs conversion into a plurality of first projection light and second projection light that have different image formation distances by changing the image formation distance of the projection light that is at least part of the incident projection light, and reflects the first projection light and the second projection light to project the first projection light and the second projection light onto a first screen and a second screen.

Abstract: The purpose of the present invention is to ensure visibilities of an actual view and a virtual image in a head-up display capable of displaying the virtual image in a virtual image display surface inclined in the depth direction of a line of sight. In a head-up display for generating a first virtual image display surface capable of displaying a first virtual image within a virtual plane inclined in the depth direction of a line of sight, a display control unit decreases visibility of the first virtual image displayed in a display-limited region farther than an obstacle traveling in front of a vehicle, and/or moves the first virtual image displayed at a farther position than the obstacle to a closer position than the obstacle.

Abstract: The purpose of the present invention is to provide a compact and low-cost head-up display device capable of creating a sense of depth in a virtual image. This head-up display device includes a light-emitting device, a reflecting mirror, and a screen. The reflecting mirror includes two reflecting surfaces that are a first reflecting surface having a flat shape and a second reflecting surface having a curved shape. The screen is composed of a first screen through which the light reflected from the first reflecting surface passes, and a second screen through which the light reflected from the second reflecting surface passes. The first screen and the second screen are disposed so that the length of a first optical path in which the light emitted from the light-emitting device reaches the first screen is different from the length of a second optical path in which the light emitted from the light-emitting device reaches the second screen.

Abstract: Provided are a screen device and a head-up display device which allow the quality of a display image to be improved. The head-up display device comprises a screen device, a display for emitting projection light, and a focus position adjustment unit for receiving projection light emitted from the display, changing the distance to a focus position for at least a portion of the incident projection light, and adjusting the projection light to have different distances to a focus position. The screen device is provided with a light shielding part preventing first display light emitted from a first display image from reaching a second screen.

Abstract: Provided is a head-up display which facilitates the differentiation of information contained in a stereoscopic display and which enables display having a stereoscopic effect, by rotating either a first display surface of a first image generation unit corresponding to a first virtual image display surface, or a reflection unit for aiming first display light emitted from the first image generation unit at a front window shield (transmission/reflection unit), to change the angle formed by the first virtual image display surface and a second virtual image display surface.