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:
Sep. 28, 1993
Filed:
Dec. 30, 1992
Applicant:
Inventors:
Norio Okutani, Neyagawa, JP;
Koichi Nakazawa, Amagasaki, both, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73862326 ; 73862324 ;
Abstract
A torsion angle detection apparatus, wherein a pair of optical type of encoders are disposed on the coaxial center at a proper interval in the axial direction, and also, the measured shaft is inserted into the axial center position thereof and is secured to the rotary portion of each of the encoders, so that the torsion angle of the measured shaft may be detected with high accuracy and high speed response property from the difference in the detection position by each encoder by the use of an optical type of encoder of high resolution.high speed response property.