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:
Dec. 10, 2002
Filed:
Dec. 26, 2000
Applicant:
Inventors:
Satoshi Adachi, Kawasaki, JP;
Kenichi Nakayama, Kawasaki, JP;
Akihito Takahashi, Kawasaki, JP;
Toshihiro Hasegawa, Kawasaki, JP;
Masaaki Nagata, Kawasaki, JP;
Assignee:
Mitutoyo Corporation, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 2/7126 ;
U.S. Cl.
CPC ...
G01R 2/7126 ;
Abstract
An electrostatic capacitive encoder includes a scale and a sensor head, which is arranged opposing to and relatively movable to the scale. A plurality of protrusions for sliding, processed in a certain pattern, are located on a flat region surrounding a transmitting electrodes and receiving electrodes of the sensor head.