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. 04, 1979
Filed:
Jul. 27, 1977
Applicant:
Inventors:
Yasuhiro Fujimoto, Tokyo, JP;
Masao Suzuki, Tokyo, JP;
Assignee:
Sansui Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
1791 / ; 1791 / ; 1791 / ;
Abstract
A pickup cartridge is disclosed, which comprises a cantilever having one end provided with a stylus and the other end provided with an armature magnetized in the axial direction thereof, a yoke having at least three leg portions each having an end face, the end faces being faced to a peripheral side surface of the armature except a lower side surface portion thereof and a plurality of coils wound on at least two of the three leg portions and connected to detect only change of magnetic flux due to a desired slanted vibration of the armature.