Lexmark International, Inc.

Dariush Aboonasry

Michael Anthony Marra, Iii

Christopher Alan Adkins

Barry Baxter Stout

Edmund Hulin James, Iii

David Michael Cseledy

Darell Dean Cronch

Alexander Lloyd Chapman

An encoder including a light source for emitting light, a photodetector for detecting at least part of the light emitted by the light source, and an encoder film including a plurality of alternating bars and windows and being located between the light source and the photodetector. The encoder includes a mask including a plurality of alternating bars and windows, the mask being located between the light source and the photodetector. The encoder further includes a spacer located between the mask and the encoder film, the encoder film contacting the spacer to maintain a predetermined spacing between the mask and the encoder film.

Encoder with mask spacer contacting the encoder film

Growing community of inventors

Lexington, KY, United States of America

Dariush Aboonasry