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. 02, 1984
Filed:
Jun. 08, 1982
Applicant:
Inventors:
Kazuyuki Fujio, Tokyo, JP;
Masao Suzuki, Tokyo, JP;
Katsumi Sasamoto, Tokyo, JP;
Yasuji Ikari, Tokyo, JP;
Assignee:
Sansui Electric Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369265 ;
Abstract
In a record player of the direct drive system wherein a turntable and a motor for driving the turntable are directly coupled; a record player characterized in that a cancellation mechanism is disposed coaxially with the driving motor, said cancellation mechanism performing a reciprocating rotational motion to generate to a torque equal in magnitude and reverse in direction with respect to a torque fluctuation developed by rotation of said driving motor, thereby to cancel counteractive rotational vibrations exerted on a cabinet of said record player by said driving motor.