Patents Assigned to Asahi Research Corporation
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Publication number: 20080133088Abstract: A vehicle data recorder according to an embodiment of the present invention comprises a processor, a power supply, a program memory for storing directions to be executed by the processor, a video camera for recording video data, a random-access memory for storing video data received from the video camera in a continuous-loop fashion, a non-volatile memory for storing video data from the random-access memory in response to a triggering event, a first sensor for detecting a triggering event, and a video display, wherein the video display displays video stored in the non-volatile memory, and wherein the vehicle data recorder is detachable from the motor vehicle and is capable of playing back video stored in the non-volatile memory while detached from the motor vehicle.Type: ApplicationFiled: May 3, 2007Publication date: June 5, 2008Applicant: Asahi Research CorporationInventor: MASAHIRO YAMADA
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Patent number: 6349824Abstract: A watertight equipment cover for protecting equipment comprising first and second housing portions with sealing mechanisms attached thereto. The sealing mechanisms of the first and second housing portions are sealably engageable with each other to provide a watertight seal therebetween. Further, the first and second housings are designed to conform substantially to the contours of the protected equipment. The watertight equipment cover may also include a rotatable mechanism or blister for engaging and rotating a rotatable structure on the protected equipment.Type: GrantFiled: December 6, 1999Date of Patent: February 26, 2002Assignee: Asahi Research CorporationInventor: Masahiro Yamada
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Patent number: 5996790Abstract: A watertight equipment cover for outdoor or marine use that includes an interior and exterior surface, with the interior surface configured to fit substantially adjacent to and to completely enclose a piece of equipment such as photographic equipment or portable electronic equipment. The cover includes transparent portions that allow, as required for operation, either the equipment to transmit or receive light, or the operator to view specific areas of the equipment while the equipment is enclosed in the cover. The cover further includes resiliently deformable portions that enable operation of the equipment control functions while the equipment is enclosed in the cover. The cover further includes a watertight sealing mechanism that is sealable and resealable by the end user. An outdoor or marine protective cover system that includes a watertight cover and a piece of equipment.Type: GrantFiled: June 26, 1998Date of Patent: December 7, 1999Assignee: Asahi Research CorporationInventors: Masahiro Yamada, Kiichi Sandow, Hiroyuki Inagawa
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Patent number: 5434018Abstract: A lighting apparatus is comprised of an illumination unit arranged so as to project from a light apparatus body by a predetermined distance, a spring for spring-biasing the illumination unit in the direction in which the illumination unit is projected from the light apparatus body, a power switch for the illumination unit which is switched in accordance with a movement of the illumination unit, an engaging portion for engaging the illumination unit at the position close to the light apparatus body, and a releasing portion for releasing the engaging portion, wherein the lighting apparatus can be energized only when the illumination unit is projected from the lighting apparatus body. Also, an electrode apparatus attached to power source equipments such as a battery pack or the like is comprised of an electrode cover for shielding an electrode portion, wherein the electrode cover can be opened by a projected electrode portion of the equipments to which the power source equipment is attached.Type: GrantFiled: June 3, 1994Date of Patent: July 18, 1995Assignees: Sony Corporation, Asahi Research CorporationInventors: Yuu Sasaki, Junichi Iwasawa, Masahiro Yamada
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Patent number: 5105180Abstract: A light unit is combined with circuitry which monitors the charge level of a battery of the light unit or a video camera or camcorder connected to the light unit. With two lights of different wattages, three different constant loads can be applied while observing, in each case, LED indicators each deenergized at a certain voltage level, resulting in an accurate and reliable indication of charge level. The voltage levels are selectable in accordance with the type of battery being monitored and a bridge rectifier allows reversal of battery polarity.Type: GrantFiled: February 12, 1990Date of Patent: April 14, 1992Assignee: Asahi Research CorporationInventors: Masahiro Yamada, Hideo Yagi
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Patent number: 4924246Abstract: Adapter modules are provided for use with different types of video cameras and associated battery packs to energize the cameras and also light units from the battery packs. Each module includes interconnection means for mating with those of the cameras and associated battery packs and each module includes electrical circuitry for applying proper operating voltages to the cameras and light units. The electrical circuitry includes a voltage converter circuit, which may be either a down-converter or an up-converter.Type: GrantFiled: September 29, 1988Date of Patent: May 8, 1990Assignee: Asahi Research CorporationInventor: Masahiro Yamada
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Patent number: 4881128Abstract: A video movie camera system includes a synchronizing arrangement which is switched between stable on and off conditions to control operation of both a light source and recording apparatus during desired time intervals. The system also automatically controls the effective beam angle of a light source in accordance with the adjusted focal length of a zoom lens.Type: GrantFiled: May 11, 1988Date of Patent: November 14, 1989Assignee: Asahi Research CorporationInventor: Masahiro Yamada