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. 27, 1992
Filed:
Mar. 13, 1992
Applicant:
Inventors:
David N Critchlow, San Diego, CA (US);
Graham M Avis, San Diego, CA (US);
Sandra J Earlam, San Diego, CA (US);
Karle J Johnson, Carlsbad, CA (US);
Bruce A Smetana, Escondido, CA (US);
Assignee:
International Mobile Machines Corporation, King of Prussia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
455 76 ; 455260 ;
Abstract
A frequency synthesizer that generates two output signals at a set frequency apart from each other and in synchronization with each other. The output frequency is selected by a microprocessor and the set frequency difference between the two output signals is determined by a frequency divider and a voltage controlled oscillator.