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. 24, 1987
Filed:
Jul. 31, 1985
Tetsuro Itakura, Yokohama, JP;
Yoshitaka Kasagi, Yokohama, JP;
Mikio Koyama, Yokohama, JP;
Chikashi Nakagawara, Yokohama, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A circuit for processing an intermediate frequency signal comprises a limiter connected to receive the intermediate frequency signal to generate a carrier component of the intermediate frequency signal as an output, a phase locked loop circuit connected to receive one of the intermediate frequency signal and the carrier component from the limiter to generate an output signal which is phase-locked onto the carrier component of the intermediate frequency signal, a synchronous detector for synchronously detecting the intermediate frequency signal depended on the output signal from the phase locked loop circuit, and an automatic frequency circuit connected to receive the carrier component from the limiter and the output signal from the phase locked loop circuit to generate an output signal, as an automatic frequency tuning signal, in response to a frequency difference therebetween.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile