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. 29, 1980
Filed:
Sep. 15, 1978
Applicant:
Inventor:
Sadao Suzuki, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; H04N / ;
U.S. Cl.
CPC ...
358188 ; 3581911 ; 455280 ; 455286 ;
Abstract
A television signal processing circuit having an RF tuner includes a frequency responsive trap connected to a signal path of an IF amplifier to reject an undesirable interfering signal applied from the local oscillator of another tuner when the RF tuner and the other tuner are connected to a common antenna terminal.