Inventor · disambiguated record
Leon Maria Van De Kerkhof
Also filed as: KERKHOF LEON MARIA VAN DE · VAN DE KERKHOF LEON · VAN DE KERKHOF LEON M · VAN DE KERKHOF LEON MARIA
33 granted patents·15 pending applications·1,168 citations·filing 1989–2019
97Inventor score
Files withKONINKL PHILIPS ELECTRONICS NV18PHILIPS CORP11KONINKLIJKE PHILIPS NV7SCHUIJERS ERIK GOSUINUS PETRUS2VAN DE KERKHOF LEON M2
Top patents by PatentIndex Score
48 records- 0198US5161210ACoder for incorporating an auxiliary information signal in a digital audio signal, decoder for recovering such signals from the combined signal, and record carrier having such combined signal recorded thereonPHILIPS CORP·Filed 1989·Granted Nov 3, 1992·382 cites·14 claims
- 0297US5661755AEncoding and decoding of a wideband digital information signalPHILIPS CORP·Filed 1995·Granted Aug 26, 1997·290 cites·20 claims
- 0390US7646875B2Stereo coding and decoding methods and apparatus thereofKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Granted Jan 12, 2010·23 cites·25 claims
- 0488US9584912B2Spatial audio rendering and encodingKONINKLIJKE PHILIPS NV·Filed 2013·Granted Feb 28, 2017·10 cites·13 claims
- 0588US6320825B1Method and apparatus for recording compressed variable bitrate audio informationPHILIPS CORP·Filed 1998·Granted Nov 20, 2001·53 cites·13 claims
- 0687US7937272B2Scalable encoding/decoding of audio signalsKONINKL PHILIPS ELECTRONICS NV·Filed 2006·Granted May 3, 2011·22 cites·28 claims
- 0786US11151962B2Graphics-safe HDR image luminance re-gradingKONINKLIJKE PHILIPS NV·Filed 2018·Granted Oct 19, 2021·3 cites·13 claims
- 0884US10440496B2Spatial audio processing emphasizing sound sources close to a focal distanceKONINKLIJKE PHILIPS NV·Filed 2017·Granted Oct 8, 2019·5 cites·15 claims
- 0982US7107111B2Trick play for MP3KONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Sep 12, 2006·22 cites·17 claims
- 1081US10567826B2Method for encoding, video processor, method for decoding, video decoderKONINKLIJKE PHILIPS NV·Filed 2015·Granted Feb 18, 2020·3 cites·19 claims
- 1177US5621855ASubband coding of a digital signal in a stereo intensity modePHILIPS CORP·Filed 1994·Granted Apr 15, 1997·88 cites·56 claims
- 1274US8254585B2Stereo coding and decoding method and apparatus thereofSCHUIJERS ERIK GOSUINUS PETRUS·Filed 2009·Granted Aug 28, 2012·6 cites·9 claims
- 1372US5528694AAudio signal processing arrangement for deriving a centre channel signal and also an audio visual reproduction system comprising such a processing arrangementPHILIPS CORP·Filed 1994·Granted Jun 18, 1996·47 cites·9 claims
- 1470US11445219B2System for handling multiple HDR video formatsKONINKLIJKE PHILIPS NV·Filed 2019·Granted Sep 13, 2022·1 cites·19 claims
- 1570US7319756B2Audio codingKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Jan 15, 2008·17 cites·26 claims
- 1668US7840412B2Audio codingKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Nov 23, 2010·11 cites·13 claims
- 1766US7149159B2Method and apparatus for editing data streamsKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Dec 12, 2006·8 cites·12 claims
- 1864US5706396AError protection system for a sub-band coder suitable for use in an audio signal processorTHOMSON BRANDT GMBH·Filed 1994·Granted Jan 6, 1998·35 cites·20 claims
- 1962US7266466B2Watermark time scale searchingKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Sep 4, 2007·10 cites·13 claims
- 2061US8311809B2Converting decoded sub-band signal into a stereo signalSCHUIJERS ERIK GOSUINUS PETRUS·Filed 2004·Granted Nov 13, 2012·7 cites·6 claims
- 2158US5235647ADigital transmission system, an apparatus for recording and/or reproducing, and a transmitter and a receiver for use in the transmission systemPHILIPS CORP·Filed 1991·Granted Aug 10, 1993·15 cites·26 claims
- 2257US5365553ATransmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signalPHILIPS CORP·Filed 1993·Granted Nov 15, 1994·27 cites·51 claims
- 2357US2007127333A1Record carrier method and apparatus having separate formats for a stereo signal and a data signalKONINKL PHILIPS ELECTRONICS NV·Filed 2006·Application pending·0 cites
- 2455US5850456A7-channel transmission, compatible with 5-channel transmission and 2-channel transmissionPHILIPS CORP·Filed 1997·Granted Dec 15, 1998·35 cites·24 claims
- 2549US5687282AMethod and apparatus for determining a masked thresholdPHILIPS CORP·Filed 1996·Granted Nov 11, 1997·17 cites·18 claims
- 2648US7054380B2Embedding a first digital information signal into a second digital information signal for transmission via a transmission mediumKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted May 30, 2006·1 cites·22 claims
- 2748US2005141722A1Signal processingKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Application pending·0 cites
- 2847US7546466B2Decoding of watermarked information signalsKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Jun 9, 2009·1 cites·15 claims
- 2947US5850418AEncoding system and encoding method for encoding a digital signal having at least a first and a second digital componentPHILIPS CORP·Filed 1995·Granted Dec 15, 1998·16 cites·43 claims
- 3047US2007061577A1Signal encodingVAN DE KERKHOF LEON M·Filed 2004·Application pending·0 cites
- 3147US2006198557A1Fragile audio watermark related to a buried data channelVAN DE KERKHOF LEON M·Filed 2004·Application pending·0 cites
- 3246US9966080B2Audio object encoding and decodingKONINKLIJKE PHILIPS NV·Filed 2012·Granted May 8, 2018·0 cites·16 claims
- 3346US2007038439A1Audio signal generationKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Application pending·0 cites
- 3444US2017125030A1Spatial audio rendering and encodingKONINKLIJKE PHILIPS NV·Filed 2017·Application pending·0 cites
- 3544US2007003103A1Method of allocating optimal payload spaceKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 3644US2004162721A1Editing of audio signalsFiled 2002·Application pending·0 cites
- 3744US2005021328A1Audio codingFiled 2002·Application pending·0 cites
- 3843US7136346B1Record carrier method and apparatus having separate formats for a stereo signal and a data signalKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Nov 14, 2006·0 cites·11 claims
- 3943US7039850B2Protection of streaming A/V dataKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted May 2, 2006·0 cites·12 claims
- 4043US2005004791A1Perceptual noise substitutionFiled 2002·Application pending·0 cites
- 4142US2007168183A1Audio distribution system, an audio encoder, an audio decoder and methods of operation thereforeKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 4241US2009245526A1Device for and method of adding reverberation to an input signalKLEIN MIDDELINK MARC·Filed 2005·Application pending·0 cites
- 4339US2008275710A1Scale Searching for Watermark DetectionKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 4439US2007220265A1Searching for a scaling factor for watermark detectionKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 4538US5995493ATransmission of a digital information signal having a specific first sampling frequencyFiled 1997·Granted Nov 30, 1999·10 cites·24 claims
- 4636US2002172116A1Distribution of contentFiled 2001·Application pending·0 cites
- 4733US8938676B2System for adjusting a combination of control parametersVAN DE KERKHOF LEON MARIA·Filed 2004·Granted Jan 20, 2015·0 cites·28 claims
- 4831US5784533AArrangement for determining a signal spectrum of a wideband digital signal and for deriving bit allocation information in response theretoPHILIPS CORP·Filed 1995·Granted Jul 21, 1998·3 cites·12 claims
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