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:
Oct. 24, 1978
Filed:
Jan. 23, 1978
Applicant:
Inventor:
James L Fuhrman, Cedar Rapids, IA (US);
Assignee:
Rockwell International Corporation, El Segundo, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H03B / ;
U.S. Cl.
CPC ...
331 / ; 328133 ; 328155 ; 331 17 ; 331 27 ; 331 / ; 3311 / ; 3311 / ;
Abstract
A phase detector circuit for use in a phase-lock loop is illustrated wherein a voltage pump is incorporated in the phase detector circuit so as to eliminate the utilization of a comparatively high voltage power supply which is normally required to sufficiently frequency modulate the variable frequency oscillator incorporated in most phase-lock loops.
Fuhrman, James. (1978). Combination phase detector voltage doubler and low-pass filter for use (U.S. Patent No. 4122404). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4122404
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile