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.:

US 8796613 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 05, 2014

Filed:

Nov. 29, 2012
Applicant:

Nikon Corporation, Tokyo, JP;

Inventor:

Susumu Makinouchi, Tokyo, JP;

Assignee:

Nikon Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

An encoder apparatus comprises a first scale member with a scale region on which a scale is arranged; a detector that detects light from the scale region; and a retaining member with a retaining surface that is arranged so as to face a surface of the first scale member including the scale region via a predetermined gap, and that retains a liquid at least between the retaining surface and the first scale member.


Find Patent Forward Citations

Makinouchi, Susumu. (2014). Encoder apparatus using liquid to suppress detection failure (U.S. Patent No. 8796613). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8796613

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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