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:
Jul. 08, 2008
Filed:
Jul. 28, 2005
Applicant:
John H. Guilford, Stanwood, WA (US);
Inventor:
John H. Guilford, Stanwood, WA (US);
Assignee:
Agilent Technologies, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03L 7/00 (2006.01); H04B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A spectrum analyzer corrects for internal frequency errors in a reference oscillator using a timing control signal. The reference oscillator provides a reference signal at a reference frequency. An error detection circuit determines an error in the reference frequency using the timing control signal and produces an error correction signal for use by a frequency conversion device in adjusting an output frequency thereof to compensate for the frequency error in the reference frequency.