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:
Feb. 07, 2017
Filed:
Aug. 27, 2015
Applicant:
Mitutoyo Corporation, Kawasaki, Kanagawa, JP;
Inventor:
Toshihisa Takai, Kawasaki, JP;
Assignee:
MITUTOYO CORPORATION, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/14 (2006.01); G01B 11/00 (2006.01);
U.S. Cl.
CPC ...
G01B 11/002 (2013.01);
Abstract
A position measuring device of the invention includes a light emitter configured to emit a laser light, a hologram configured to generate a reconstructed image of an inclined surface relative to an optical axis, a light receiver disposed on a reconstructed image forming surface of the hologram, and a measurement unit configured to measure a position of an object based on a position of light received by the light receiver. In the position measuring device of the invention, the light emitter may emit a linear laser light and the light receiver may include an image sensor having a two-dimensional array of pixels.