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:
May. 23, 1995
Filed:
Dec. 09, 1992
Applicant:
Inventors:
Hiroshi Ohta, Wako, JP;
Masakazu Aono, Nerima, JP;
Kazuhiko Kato, Kumagaya, JP;
Kazutomo Hoshino, Ageo, JP;
Hidefusa Takahara, Chofu, JP;
Tomonobu Nakayama, Koshigaya, JP;
Eiichi Sudoh, Omuta, JP;
Assignees:
Mitsui Kinzoku Kogyo Kabushiki Shisha, Tokyo, JP;
Rikagaku Kenkyusho, Saitama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ; H01B / ; H05K / ;
U.S. Cl.
CPC ...
505162 ; 505782 ; 505211 ; 505236 ; 174 / ; 335216 ;
Abstract
This invention provides a superconducting magnetic shield and a magnetic shielding apparatus including the same, thereby accurately measuring an extremely weak magnetic field such an magnetoencephalographic waves by reducing the influence of magnetic field of the earth or magnetic noises.