Angle sensor using a multi-pixel optical device

Details Angle sensor using a multi-pixel optical device Angle sensor using a multi-pixel optical device

1997-10-21

1999-05-04

Kim, Robert

Optics: measuring and testing

Angle measuring or angular axial alignment

356375, 25023113, 25023117, G01B 1126, G01C 100

Patent

active

059009306

ABSTRACT:
An angle sensor for detecting the angular position of a rotating body. The angle sensor includes a plurality of digital patterns positioned on a surface that rotates with a rotating body. A source of light illuminates the patterns, and a multi-pixel optical device receives light from the patterns and converts the light into electrical signals. A processing circuit receives the electrical signals and identifies the illuminated patterns.

REFERENCES:
patent: 4103155 (1978-07-01), Clark
patent: 4947036 (1990-08-01), Pokorski et al.
patent: 5471515 (1995-11-01), Fossum et al.
patent: 5625210 (1997-04-01), Lee et al.
patent: 5646523 (1997-07-01), Kaiser et al.
patent: 5665974 (1997-09-01), Truong

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