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:
Jan. 17, 1989
Filed:
May. 15, 1986
Applicant:
Inventor:
Yasuharu Yoshida, Tokyo, JP;
Assignee:
NEC Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ; H03D / ;
U.S. Cl.
CPC ...
375110 ; 375119 ; 375120 ;
Abstract
A clock synchronizing circuit separates and filters a clock component from a digital input wave. The output of the circuit is sampled to produce a two-level signal. A voltage controlled oscillator generates a clock signal having a phase and a frequency which is controlled responsive to the two-level signal.