Position detector for moving vehicle

Details Position detector for moving vehicle Position detector for moving vehicle

1990-02-23

1991-04-16

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250235, 180169, 356141, 36442402, G01N 2186, G01V 904

Patent

active

050085573

ABSTRACT:
A position-detecting system for a moving vehicle wherein the position of the moving vehicle is detected by scanning the light beam emitted from a light beam-emitting means mounted on the moving vehicle in the circumferential direction centering around the moving body, and receiving the light beam reflected from light-reflecting means disposed at at least three positions by means of a light-receiving means mounted on the moving vehicle, comprising a means for detecting the distance between the source of the reflected light received at the light-receiving means and the moving vehicle, and a means for reducing the rotational speed of the light beam scanning means in response to the operation of the distance detecting means.

REFERENCES:
patent: 4099591 (1978-07-01), Carr
patent: 4309758 (1982-01-01), Halsall
patent: 4328545 (1982-05-01), Halsall et al.
patent: 4626995 (1986-12-01), Lofgren et al.
patent: 4647784 (1987-03-01), Stephens
patent: 4700301 (1987-10-01), Dyke
patent: 4713767 (1987-12-01), Sato et al.
patent: 4796198 (1989-01-01), Boultinghouse et al.
patent: 4817000 (1989-03-01), Eberhardt
patent: 4846297 (1989-07-01), Field et al.
patent: 4947324 (1990-08-01), Kamimura et al.

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