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:
Oct. 25, 1977
Filed:
Dec. 02, 1975
Applicant:
Inventors:
Hisashi Yoshimura, Minoo, JA;
Sadao Yukimoto, Neyagawa, JA;
Takashi Matsumoto, Hirakata, JA;
Isago Konno, Neyagawa, JA;
Nobuyuki Kato, Katano, JA;
Tadao Ohtani, Katano, JA;
Takao Kubo, Kawachinagano, JA;
Assignee:
Matsushita Electric Industrial Company Limited, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ; B21C / ; C22C / ;
U.S. Cl.
CPC ...
179117 ; 29594 ; 7225 / ; 7513 / ; 148120 ;
Abstract
An inboard type magnetic system for an electrodynamic transducer which has a reduced height and magnetic flux leakage by making use of a manganese-aluminum-carbon system alloy magnet anisotropized by warm extrusion.