G - Physics
01
B
G01B 11/00 (2006.01) B41F 33/00 (2006.01) B41J 19/20 (2006.01) B41J 29/00 (2006.01) G01D 5/245 (2006.01)
Patent
CA 2471390
An optical encoder that includes an optical grating and a quadrature optical encoder sensor that move relative to each other. The optical grating includes a first encoder bar and a plurality of second encoder bars, wherein the first encoder bar is optically configured to change an amplitude of an output of the quadrature optical encoder sensor.
Knierim David L.
Martenson David D.
Sim & Mcburney
Xerox Corporation
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