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. 12, 2015
Filed:
Aug. 12, 2011
Christophe Molko, Villepreux, FR;
Matti Limingoja, Kerava, FI;
Christophe Molko, Villepreux, FR;
Matti Limingoja, Kerava, FI;
Other;
Abstract
For clipping a signal with respect to a clipping threshold (A), a signal portion above the clipping threshold and a peak (Pk) in the signal portion are detected, a clipping function depending on end times (t, t) of the signal portion, the amplitude of the detected peak and the clipping threshold is derived, and the signal portion is clipped by multiplying it by the clipping function. The first portion can be enlarged up to the lowest boundary points (t+1, t−1) on the first ascending portion and the last descending portion of the detected peak. Spectral leakage in the sidebands out to the frequency band of the clipped signal is eliminated by a filtering device. The filtered dipped signal to the input of the amplifier has peaks as close to the saturation threshold of a power amplifier as possible.