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:
May. 24, 2005
Filed:
Mar. 06, 2003
Applicants:
Nicholas Cafaro, Coconut Creek, FL (US);
Robert Stengel, Pompano Beach, FL (US);
Inventors:
Nicholas Cafaro, Coconut Creek, FL (US);
Robert Stengel, Pompano Beach, FL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B021/00 ;
U.S. Cl.
CPC ...
Abstract
A frequency generator () includes a direct digital synthesizer () having an accumulator (or) for providing an interim output and a digital interpolator () for interpolating the interim output to provide an output signal with reduced electromagnetic interference. The digital interpolator can include at least one converter among a digital-to-phase converter () or a digital-to-time converter (). The frequency generator can further include a digitally programmable spreading function () applied to an input of the direct digital synthesizer.