System for transmitting information to moving object

Details System for transmitting information to moving object System for transmitting information to moving object

1990-06-28

1992-05-26

Coles, Sr., Edward L.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359170, H04B 1000

Patent

active

051173018

ABSTRACT:
A system for transmitting information to a moving object includes a light source disposed along a moving course for the moving object, an encoding device encoding the light beam emitted from the light source in accordance with a predetermined first signal allotted to the light source, a photodetecting device provided in the moving object, and a device for obtaining the first signal by decoding an output of the photodetecting device. The information typically includes positional data of the moving object. In departure from the case where the radio wave is employed in transmission, the system can operate with great reliability even when the light sources are closely arranged.

REFERENCES:
patent: 3675989 (1972-07-01), Pietsch et al.
patent: 3697941 (1972-10-01), Christ
patent: 4570062 (1986-02-01), Tsumura
patent: 4823138 (1989-04-01), Shibano et al.
patent: 4921468 (1990-05-01), Miwa

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