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:
Sep. 15, 1987
Filed:
Dec. 07, 1984
Applicant:
Inventors:
Lloyd A Hasley, Carrollton, TX (US);
Jaan Raamot, Broomfield, CO (US);
Assignee:
American Telephone and Telegraph Company and AT&T Information Systems, Holmdel, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03L / ; H03K / ;
U.S. Cl.
CPC ...
307269 ; 328 63 ; 328109 ; 307480 ; 307527 ;
Abstract
A clock recovery circuit for recovering the clock from an incoming data stream. The circuit comprises a transition detector and a module 3 counter operating at three times the expected rate of the incoming clock. A clock pulse is generated by the counter one count interval after a transition is detected.