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:
Jul. 24, 2001
Filed:
Jan. 22, 1998
Applicant:
Inventor:
Paul C Gregory, Westhoughton, GB;
Assignee:
LSI Logic Corporation, Milpitas, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 7/00 ;
U.S. Cl.
CPC ...
H04L 7/00 ;
Abstract
In a frequency control arrangement,of the type comprising an oscillator,a mark or space counter,a frequency detector,and an error signal calculator,and in which it is desired to control the oscillator,to resonate at a frequency substantially equal to the frequency of a received data stream, the oscillator,is implemented as a four phase ring oscillator (FIG.,ref,) arranged to provide phased clock signals to the mark or space counter (FIG.,ref,). This allows the mark or space counter to be arranged to measure the length of the marks or spaces of the data with increased resolution.