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. 21, 1993
Filed:
Dec. 18, 1991
Applicant:
Inventors:
Assignee:
Alcatel N.V., Amsterdam, NL;
Primary Examiner:
Int. Cl.
CPC ...
H03K / ; H03L / ;
U.S. Cl.
CPC ...
307269 ; 307262 ; 307527 ; 328 63 ; 328 72 ; 328155 ; 375118 ;
Abstract
A synchronizing circuit to synchronize a digital input signal (DIN) with a clock signal (CK1) includes a detection circuit (DC) which checks if a present (SA) sample of a clock signal (CK3) being synchronized with the digital input signal, is equal to the previous (SB) sample, both samples being taken at an interval equal to the period (T) of the clock signal synchronized with the output signal. When the samples differ, the detection circuit generates a phase adjustment signal (CLR), which triggers a phase adjustment circuit (PAC) to ensure a return to synchronism by phase shifting the signal (ES) controlling the sampling of the digital input signal.