Position transducer and positional information processing system

Details Position transducer and positional information processing system Position transducer and positional information processing system

1996-11-20

1999-06-01

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25022722, 250229, 84724, G01D 532, G10F 500

Patent

active

059090286

ABSTRACT:
A non-contact type position transducer has a light emitting block for splitting a light beam into two light sub-beams and a light detecting block for receiving one of the light sub-beams and another light sub-beam radiated from another light emitting block, and the light emitting blocks and the light detecting blocks shared between a plurality of non-contact type position transducers make the arrangement of non-contact type position transducers simple.

REFERENCES:
patent: 4351221 (1982-09-01), Starnes et al.
patent: 4836636 (1989-06-01), Obara et al.
patent: 4868568 (1989-09-01), Souloumiac
patent: 4913026 (1990-04-01), Kaneko et al.
patent: 4935621 (1990-06-01), Pikulski
patent: 5001339 (1991-03-01), Starkey et al.
patent: 5384459 (1995-01-01), Patino et al.
patent: 5804816 (1998-09-01), Yamamoto et al.

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