[특허]Vehicle-route computing apparatus

[미국특허] Vehicle-route computing apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G05D-001/00 G06F-016/500
출원번호	US-0718044 (1996-09-16)
우선권정보	JP-0022682 (1996-02-08)
발명자 / 주소	Uekawa Akio,JPX Nakahori Ichiro,JPX
출원인 / 주소	Mitsubishi Denki Kabushiki Kaisha, JPX
대리인 / 주소	Sughrue, Mion, Zinn, Macpeak & Seas, PLLC
인용정보	피인용 횟수 : 58 인용 특허 : 0

초록 ▼

Routes from a departure area to a plurality of destination areas are found as a departure-area route network data set and a plurality of such departure-area route network data sets computed for all departure areas are then stored in advance in a road-map storing memory unit 4 and a departure-area route network data storing memory unit 5. At a route-search time, a departure-area determining unit 3 determines the departure area of the vehicle to which a departure position pertains and a route-search processing means 7 uses a departure-area route network data set for the departure area determined by the departure-area determining unit 3 as well as road maps of the departure area and the vicinity of a departure position to search for guidance routes from the departure position to the destination position in a short time, presenting the guidance routes to the driver.

대표청구항 ▼

[ What is claimed is:] [1.] A vehicle-route computing apparatus comprising:a road-map storing means for storing data of road maps for guiding a vehicle;a departure-area determining means for determining a departure area of said vehicle;a departure-area route network storing means for storing a plurality of departure-area route network data sets which are each associated with a departure area and obtained by calculating routes from said departure area to a plurality of destination areas in advance; anda route-search processing means for reading out one of said departure-area route network data sets associated with said departure area determined by said departure-area determining means from said departure-area route network storing means, searching said read-out departure-area route network data set for a guidance route from a departure position of said vehicle in said departure area to a destination position toward which said vehicle is heading and presenting said guidance route.

이 특허를 인용한 특허 (58) 인용/피인용 타임라인 분석

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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Vehicle-route computing apparatus 원문보기