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:
Mar. 10, 1998
Filed:
Nov. 22, 1996
Applicant:
Inventor:
Markku Ruuskanen, Porvoo, FI;
Assignee:
Nokia Telecommunications Oy, Espoo, FI;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
327 99 ; 327292 ; 327298 ; 327407 ;
Abstract
A method and circuit in which one of at least two asynchronous constant frequency input clock signals is selected for being used as an output clock signal by use of a separate selection signal for providing redundancy for an asynchronous clock signal.