Position detection system

Details Position detection system Position detection system

2008-07-29

2008-07-29

Le, Que (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S559290

Reexamination Certificate

active

11593161

ABSTRACT:
A plurality of optical beacons that emit light in respective light emitting patterns containing an ID code are distributed and installed in a space in which of a mobile body are moved. The mobile body is provided with a detection unit. The detection unit identifies at least three optical beacons according to the ID codes of the lights emitted according to the optical beacons and detects the direction of light emitted according to each of the identified optical beacons. Then, it detects the position of the mobile body according to the outcome of detection.

REFERENCES:
patent: 6498338 (2002-12-01), Oosterling et al.
patent: 6727511 (2004-04-01), Cusick et al.
patent: 2003-302469 (2003-10-01), None

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