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:
Jun. 03, 1997
Filed:
Nov. 21, 1991
Applicant:
Inventors:
Teruyuki Yoshida, Kanagawa, JP;
Keiko Kanetsuka, Kanagawa, JP;
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 46 ; 360 68 ;
Abstract
A recording amplifier apparatus comprises first and second differential amplification means connected to each other with wires. The second differential amplification means is disposed close to a rotary drum by extending the wires. It is thus possible to restrain generation of a distributed capacity by the wires to a minimum.