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:
Dec. 23, 1980
Filed:
Oct. 07, 1977
Applicant:
Inventor:
Akio Tanaka, Chicago, IL (US);
Assignee:
Zenith Radio Corporation, Glenview, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
455186 ; 455200 ;
Abstract
An all-channel television receiver includes a memory address counter for scanning a limited location memory for channel numbers and additional receiver adjustment information in response to a channel number input. Further television function control memories and counters for adjustment thereof are provided and accessed by the address counter. Channel numbers and additional receiver adjustment information may be programmed into and deleted from the limited location memory. Unprogrammed channels are tunable by the system at nominal levels.