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:
Sep. 20, 2011
Filed:
Aug. 17, 2006
Applicants:
Philip John Nash, Surrey, GB;
David John Tyler, Dorset, GB;
Nicholas Middleton, Dorset, GB;
Inventors:
Assignee:
Qinetiq Limited, , GB;
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2006.01); H04B 10/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Demodulation apparatus for demodulating phase-modulated signals comprises a quadrature signal generator (QSG) for generating in-phase (I) and quadrature-phase (Q) signals in response to an unmodulated input signal. The QSG provides fast frequency tracking of the input signal and excludes any high-frequency content the input signal.