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. 02, 2021
Filed:
Jan. 04, 2019
Applicant:
Mitutoyo Corporation, Kanagawa, JP;
Inventors:
Hirokazu Kobayashi, Saitama, JP;
Akio Kawai, Kanagawa, JP;
Assignee:
MITUTOYO CORPORATION, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/347 (2006.01); G01D 5/244 (2006.01);
U.S. Cl.
CPC ...
G01D 5/34715 (2013.01); G01D 5/24476 (2013.01); G01D 5/34746 (2013.01);
Abstract
A measurement apparatus includes: a light source that emits light; a scale that has a plurality of tracks whose patterns are different from each other, the tracks passing at least a part of lights emitted by the light source; a light receiving part that has a plurality of light receiving elements that each output an optical signal corresponding to strength of light received through the tracks; and a signal generation part that generates a serial signal in which a plurality of the optical signals are time-division multiplexed and sends the generated serial signal.