Optical position locating apparatus with bidirectional light tra

Details Optical position locating apparatus with bidirectional light tra Optical position locating apparatus with bidirectional light tra

1985-12-19

1988-01-12

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250237G, G01D 534

Patent

active

047193468

ABSTRACT:
An optical position locating apparatus is provided which includes a first light reader with several photodetectors for reading the tracks of a disk, a first light emitter excited by the first light reader and a self contained power supply source. A module is provided which comprises a second light emitter, a second light reader and a processor for processing electric signals from the first light reader. An optical fiber system is provided for transmitting the electric signals to the second light reader. Optical systems are advantageously provided.

REFERENCES:
patent: 3831169 (1974-08-01), Raser
patent: 4117460 (1987-09-01), Walworth et al.
patent: 4124839 (1978-11-01), Cohen
patent: 4536649 (1985-08-01), Kozai et al.

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