Boots – shoes – and leggings
Patent
1986-04-03
1988-08-09
Chin, Gary
Boots, shoes, and leggings
340988, 364444, G01C 2100, G06F 1550
Patent
active
047632690
ABSTRACT:
A position determining apparatus for a vehicle in which movement components in longitudinal (southerly-northerly) and latitudinal (easterly-westerly) directions in a unit running distance of the vehicle are determined from an initialized location. The apparatus determines the longitudinal distance of the current position of the vehicle from the initialized location by integrating the movement component in the longitudinal direction and utilizes the longitudinal distance for determining a latitude difference from a reference latitude and a virtual latitude. The apparatus converts the movement component in the latitudinal direction at the virtual latitude into a latitudinal movement component at the reference latitude to determine the latitudinal distance of the current position of the vehicle from the initialized location. The latitudinal and longitudinal distances of the current position of the vehicle are displayed.
REFERENCES:
patent: 4563685 (1986-01-01), Matsumoto et al.
patent: 4608656 (1986-08-01), Tanaka et al.
patent: 4642776 (1987-02-01), Matsumoto et al.
SAE Technical Paper Series #840313, Cathode-Ray Tube Information . . . , Jarvis et al, pp. 123-143.
SAE Technical Paper Series #840485, On-Board Computer System for Navigation . . . , Haeussermann.
Akama Yasuyuki
Suyama Michiyo
Chin Gary
Mitsubishi Denki & Kabushiki Kaisha
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