Miniaturized single track optical encoder system with...

Details Miniaturized single track optical encoder system with... Miniaturized single track optical encoder system with...

2011-07-19

2011-07-19

Sohn, Seung C (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C356S616000, C341S013000

Reexamination Certificate

active

07982175

ABSTRACT:
Disclosed are various embodiments of a reflective optical encoder system having at least three channels—two data channels and at least one index channel. The various configurations of reflective optical encoders disclosed herein permits very high resolution reflective optical encoders in small packages to be provided. In addition, the embodiments of the reflective optical encoder systems disclosed herein reduce problems associated with misalignment between code scales and light detectors, permit relatively simple electronic circuitry to be used to process outputs, and reduce manufacturing, assembly, integrated circuit and encoder costs. Methods of making and using such optical encoders are also disclosed.

REFERENCES:
patent: 7309855 (2007-12-01), Nagasaka et al.
patent: 7342671 (2008-03-01), Ito
patent: 7420157 (2008-09-01), Kuroda
patent: 7495583 (2009-02-01), Tan et al.
patent: 2008/0111061 (2008-05-01), Wong et al.
patent: 2009/0206244 (2009-08-01), Bahari et al.
patent: 2010/0155586 (2010-06-01), Chin et al.
patent: 2010/0301195 (2010-12-01), Thor et al.
“Recent Trends of Linear and Angular Psuedorandom Encoder Development,” Denic et al. International Symposium on POwer Electronics, Electric Drives, Automation and Motion, Oct. 2006.

Affiliated with

Also associated with

Rating

Miniaturized single track optical encoder system with... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Miniaturized single track optical encoder system with..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Miniaturized single track optical encoder system with... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2736125