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:
Nov. 14, 1989
Filed:
Feb. 05, 1988
Applicant:
Inventors:
Satoru Tazaki, Tokyo, JP;
Yasuhiro Yoshioka, Tokyo, JP;
Assignee:
Clarion Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
455296 ; 455297 ; 455307 ; 381 13 ; 320-1 ; 307109 ;
Abstract
An FM multipath noise reduction circuit is disclosed, in which a condenser for rapid charging is connected between the power source line and a charge/discharge condenser disposed in a level shift circuit system so that the rise time constant of the control output voltage at the power source switch-on, the AM/FM mode switch over, etc. is equal to that after the power source switch-on.