Boots – shoes – and leggings
Patent
1995-10-25
1997-11-04
Teska, Kevin J.
Boots, shoes, and leggings
364424029, 3644441, G05D 100
Patent
active
056847041
ABSTRACT:
An in-car navigation apparatus capable of searching an optimal or a quasi-optimal route always, and further capable of shortening the waiting time until a route is obtained, has an operating section which receives a starting point, a destination and searching conditions for searching from a handling section to read digital map data to be used for searching from the map database section of the apparatus. The operating section holds a plurality of weighting factors of each heuristic term to be used in an evaluation function or computing formulae to be used for the evaluation function, and searches an optimal or a quasi-optimal route by selecting an appropriate one in accordance with the road conditions and the searching conditions of the map data read in when searching is performed.
REFERENCES:
patent: 5170352 (1992-12-01), McTamaney et al.
patent: 5170353 (1992-12-01), Verstroete
patent: 5204817 (1993-04-01), Yoshida
patent: 5274560 (1993-12-01), LaRue
patent: 5410485 (1995-04-01), Ichikawa
patent: 5488559 (1996-01-01), Seymour
patent: 5515283 (1996-05-01), Desai et al.
"Determination of Minimum Cost Paths"--IEEE Trans. vol. ssc-4, No. 2 Jul. 1968 --Hart et al, pp. 100-107.
"Studies in Semi-Admissible Heuristics"--IEEE Trans., vol. PAMI-4, No. 4 Jul. 1982 -- Pearl et al, pp. 392-399.
Mitsubishi Denki & Kabushiki Kaisha
Teska Kevin J.
Walder, Jr. Stephen J.
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