Coding element with integrated limit switch

Details Coding element with integrated limit switch Coding element with integrated limit switch

2006-11-09

2008-07-15

Nguyen, Khai M (Department: 2819)

Coded data generation or conversion

Digital pattern reading type converter

Optical

C341S001000, C341S009000, C341S011000, C250S231130, C250S231140, C250S231160

Reexamination Certificate

active

07400269

ABSTRACT:
An optical encoder. The optical encoder includes a coding element, an emitter, and a detector. The coding element has a track with a track pattern. The track pattern includes a plurality of optically distinguishable sections. The plurality of optically distinguishable sections includes a limit switch section. The emitter generates a light signal incident on the track of the coding element. The detector includes a limit switch photodetector positioned to detect the light signal from the emitter. The detector generates a limit switch output signal in response to the detected light signal above a limit switch threshold at the limit switch photodetector. Embodiments of this type of optical encoder implement limit switches into a single track on the coding element.

REFERENCES:
patent: 4451731 (1984-05-01), Leonard
patent: 4691101 (1987-09-01), Leonard
patent: 5241172 (1993-08-01), Lugaresi
patent: 5929789 (1999-07-01), Barbehenn
patent: 6100822 (2000-08-01), Liu
patent: 6320185 (2001-11-01), Matsuo
patent: 6355927 (2002-03-01), Snyder
patent: 6392224 (2002-05-01), Holzapfel et al.
patent: 6797940 (2004-09-01), Steegmueller et al.
patent: 6927704 (2005-08-01), Rouleau
patent: 7026604 (2006-04-01), Keong
patent: 7126108 (2006-10-01), Hin et al.
patent: 7220960 (2007-05-01), Ito
patent: 2002/0180691 (2002-12-01), Wong et al.
patent: 2005/0088667 (2005-04-01), Yeo
patent: 2005/0133705 (2005-06-01), Hare et al.
patent: 2005/0236560 (2005-10-01), Ch'ng et al.
patent: 2006/0192764 (2006-08-01), Siddiqui

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