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:
May. 26, 1981
Filed:
May. 01, 1979
Toshinori Murata, Yokohama, JP;
Shigeo Matsuura, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A channel indicator suitable for use in a television receiver and an FM receiver each having an electronic tuner is disclosed in which a channel number now being received can be automatically indicated by counting the number of those local oscillation frequencies corresponding to respective channels which the local oscillation frequency of the electronic tuner has passed prior at the arrival to a desired value. Means for compensating for irregular frequency channel intervals and temperature variations are included.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile