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:
Oct. 22, 2002
Filed:
Nov. 18, 1999
John Akira Tani, Vancouver, CA;
Dion Calvin Michael Horvat, New Westminster, CA;
Vtech Communications, Ltd., , HK;
Abstract
A phase-locked loop controller for a frequency hopping communications system which utilizes an indirect addressing scheme to access PLL data is provided. The controller is hardware-implemented, with little or no microcontroller processing overhead required. The controller enables simple synchronization with other units in a communications infrastructure implementation. The controller provides a simple interface for implementing dynamic channel allocation methods. An override port allows external control of the PLL with which the controller is associated. Finally, the controller can control auxilliary aspects of system operation, such as powering down a transmitter while changing PLL tuning.