The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2007
Filed:
Apr. 08, 2003
Kong Leong Teng, Tanjung Bungah, MY;
Kee Yean NG, Prai, MY;
Hon-choong Yip, Penang, MY;
Douglas W. Pocius, Sunnyvale, CA (US);
Kong Leong Teng, Tanjung Bungah, MY;
Kee Yean Ng, Prai, MY;
Hon-Choong Yip, Penang, MY;
Douglas W. Pocius, Sunnyvale, CA (US);
Avago Technologies ECBU IP (Singapore) Pte. Ltd., Singapore, SG;
Abstract
Reflective members for use in encoder systems are provided. One embodiment comprises a reflective member comprising a reflective layer, at least another layer, and a reflective pattern comprising a first portion having a first reflective property and a second portion having a different reflective property. The reflective layer forms at least a part of the reflective pattern. In addition, the aforementioned first portion of the reflective member has a width of less than half of the grating period. The reflective member enables measurement of at least one operational attribute of an object.