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:
Jun. 22, 2004
Filed:
May. 20, 2002
Applicant:
Inventor:
Masashi Tsuboi, Kawasaki, JP;
Assignee:
Mitutoyo Corporation, Kawaski, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 3/106 ; G01B 7/14 ;
U.S. Cl.
CPC ...
G01R 3/106 ; G01B 7/14 ;
Abstract
An offset signal for failure detection, that cannot be removed if an input signal line is broken is applied from an offset application circuit with output impedance higher than impedance of a differential transformer to an output signal of the differential transformer. A drive signal applied to a differential transformer is generated in digital form and an offset correction and a gain correction to output of the differential transformer are made in digital form for making controls necessary.
Quick Actions:
Tsuboi, Masashi. (2004). Method and apparatus for detecting failure of differential transformer, and method and apparatus for signal processing of differential transformer (U.S. Patent No. 6753686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6753686
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