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:
Nov. 04, 2003
Filed:
Jul. 23, 1998
Rudy J. Van De Plassche, Eindhoven, NL;
Alphons A. M. L. Bruekers, Eindhoven, NL;
Gerardus C. M. Gielis, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
In a receiver, a tuner (TUN) converts a reception signal (Srf) to an intermediate-frequency signal (Sif). An adjustable frequency converter (AFRC) converts the intermediate-frequency signal (Sif) to an input signal (Sin) for a filter arrangement (FIL) which is capable of providing various frequency responses (Hfil , Hfil ) associated with different transmission standards. The adjustable frequency converter (AFRC) and the filter arrangement (FIL) may form part of an integrated receiver-circuit (IRC) suitable for many different transmission standards. The tuner (TUN) may provide the intermediate-frequency signal (Sif) at any one of various different intermediate frequencies (IF , IF ). For any intermediate frequency (IF ,IF ), the adjustable frequency converter (AFRC) can be adjusted in such a way that the filter arrangement (FIL) receives the input signal (Sin) in a frequency range (FR) which is suitably located with respect to its frequency responses (Hfil , Hfil ). Thus, the adjustable frequency converter (AFRC) allows the use of any one of various different intermediate frequencies and, therefore, allows the use of relatively cheap standard-specific tuners. Thus, it allows relatively cost-efficient implementations.