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. 24, 1991
Filed:
Nov. 06, 1990
Applicant:
Inventors:
Osamu Kamada, Ikoma, JP;
Hisashi Minemoto, Kyoto, JP;
Kazurou Toda, Hirakata, JP;
Daisuke Ishiko, Hirakata, JP;
Satoshi Ishizuka, Hirakata, JP;
Akihiro Miura, Akashi, JP;
Assignees:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Kansai Electric Power Co., Inc., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
2502311 ; 250225 ;
Abstract
A magnetic field measurement apparatus with high sensitivity and high accuracy in which a Bi-substituted rare-earth iron garnet crystal with a high and no temperature dependent sensitivity constant grown by liquid phase epitaxy is used for a magneto-optic element.