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:
Dec. 26, 2006
Filed:
May. 15, 2001
Applicants:
Markus Zumkeller, Schwaikheim, DE;
Carsten Merkle, Welzheim, DE;
Inventors:
Markus Zumkeller, Schwaikheim, DE;
Carsten Merkle, Welzheim, DE;
Assignee:
Sony Deutschland GmbH, Cologne, DE;
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An AM receiver with at least one IF filter with a fixed IF bandwidth comprises at least one downconversion stage () to shift the signal input thereto into an IF range (IF) having a variable oscillation frequency (f) which is adjustable to detune a wanted center frequency (f) of a wanted signal part () from a center frequency (f) of the at least one IF filter so that an unwanted signal part () adjacent to the wanted signal part () lies outside the fixed IF bandwidth.