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:
Feb. 18, 2003
Filed:
Mar. 16, 2001
Janne Kallio, Ylöjärvi, FI;
Ari Helaakoski, Pattijoki, FI;
Nokia Corporation, Espoo, FI;
Abstract
The invention relates to a method for adjusting an oscillator ( ), a packet switched network ( ) locating between the oscillator and a specified time source ( ), which knows a clock time with a specified accuracy. In the method, a clock ( ), which is on the same side of the packet switched network ( ) as the adjustable oscillator ( ), is updated over the packet switched network ( ) on the basis of the clock time known to said time source ( ). Said clock ( ) is used in the adjustment of the oscillator ( ) for making the oscillator ( ) to oscillate at a desired frequency. The invention also relates to an apparatus and computer software for adjusting the oscillator. (FIG. )