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:
Jul. 16, 2013
Filed:
Feb. 01, 2010
Applicant:
Haruhiko Horiguchi, Tokyo, JP;
Inventor:
Haruhiko Horiguchi, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/14 (2006.01); G01D 5/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A scale for a displacement detection apparatus includes a base, and reflection layers formed on the base in a lattice structure, wherein the scale is used as a member displaceable relative to a light-emitting element whose emission wavelength is approximately 1000 nm or less and a light-receiving element receiving the light that is emitted from the light-emitting element and is reflected by the reflection layers, and wherein the base is made of silicon.