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:
Jan. 22, 1980
Filed:
Jul. 28, 1978
Applicant:
Inventors:
Sadao Watanabe, Neyagawa, JP;
Mitsuru Itoh, Yawata, JP;
Tadashi Sakairi, Katano, JP;
Yasutomo Funakoshi, Sakai, JP;
Kohji Hiya, Hirakata, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Saka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
335302 ; 335303 ;
Abstract
A magnet device having magnetic poles of opposite polarities on the same surface comprises a plurality of plastic matix magnet elements providing a magnetic circuit arranged to concentrate the magnetic energy of the magnet elements so as to derive a great magnetic force from the magnetic poles.