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:
Jul. 20, 1982
Filed:
May. 29, 1980
Applicant:
Inventors:
Toshiaki Nakamura, Hachioji, JP;
Akira Yamamoto, Hachioji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 61 ; 360 68 ; 369174 ;
Abstract
A microphone sensitivity-changing apparatus used with a tape recorder whose recording or playback mode can be paused and whose microphone has its sensitivity changed in accordance with the object for which said tape recorder is applied, the improvement being that a first switch for instructing the pause mode and a second switch for instructing the changeover of the sensitivity of the microphone are operated interlockingly with each other.
Quick Actions:
Nakamura, Toshiaki. (1982). Microphone sensitivity-changing apparatus (U.S. Patent No. 4340915). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4340915
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile