Derk Reefman

Person

AG Eindhoven, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Inductively powered electric component of an MRI apparatus
- Patent number 8,866,480
- Issue date Oct 21, 2014
- Koninklijke Philips N.V.
- Eberhard Waffenschmidt
- G01 - MEASURING TESTING
Information Patent Grant
Integration substrate with a ultra-high-density capacitor and a thr...
- Patent number 8,729,665
- Issue date May 20, 2014
- IPDIA
- Johan H. Klootwijk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pulse modulation and demodulation in a multiband UWB communication...
- Patent number 8,634,445
- Issue date Jan 21, 2014
- NXP B.V.
- Derk Reefman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Charge pump DC-DC converter comprising solid state batteries
- Patent number 8,610,404
- Issue date Dec 17, 2013
- NXP B.V.
- Derk Reefman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Planar, monolithically integrated coil
- Patent number 8,395,472
- Issue date Mar 12, 2013
- NXP B.V.
- Freddy Roozeboom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
DC-to-DC converter comprising a reconfigurable capacitor unit
- Patent number 8,395,914
- Issue date Mar 12, 2013
- NXP B.V.
- Johan H. Klootwijk
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Assembly, chip and method of operating
- Patent number 8,310,024
- Issue date Nov 13, 2012
- NXP B.V.
- Derk Reefman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film detector for presence detection
- Patent number 8,193,685
- Issue date Jun 5, 2012
- Koninklijke Philips Electronics N.V.
- Mareike Klee
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Integrated capacitor arrangement for ultrahigh capacitance values
- Patent number 8,085,524
- Issue date Dec 27, 2011
- IPDIA
- Freddy Roozeboom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Parallel arranged power supplies
- Patent number 7,808,225
- Issue date Oct 5, 2010
- ST-Ericsson SA
- Ralf Burdenski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DA-converter system and a method for converting a multi-bit digital...
- Patent number 7,345,606
- Issue date Mar 18, 2008
- NXP B.V.
- Derk Reefman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sigma-delta modulator with a quantizer/gain element
- Patent number 7,330,142
- Issue date Feb 12, 2008
- Koninklijke Philips Electronics N.V.
- Erwin Janssen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Robust watermark for DSD signals
- Patent number 7,325,131
- Issue date Jan 29, 2008
- Koninklijke Philips Electronics N.V.
- Derk Reefman
- G11 - INFORMATION STORAGE
Information Patent Grant
Mixing system for mixing oversampled digital audio signals
- Patent number 7,302,303
- Issue date Nov 27, 2007
- Koninklijke Philips Electronics N.V.
- Derk Reefman
- G11 - INFORMATION STORAGE
Information Patent Grant
Generating bit-streams with higher compression gains
- Patent number 7,218,263
- Issue date May 15, 2007
- Koninklijke Philips Electronics N.V.
- Erwin Janssen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and arrangement for concealing errors
- Patent number 7,127,644
- Issue date Oct 24, 2006
- Koninklijke Philips Electronics N.V.
- Derk Reefman
- G11 - INFORMATION STORAGE
Information Patent Grant
Sigma-delta modulation
- Patent number 6,975,257
- Issue date Dec 13, 2005
- Koninklijke Philips Electronics N.V.
- Derk Reefman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio signal compression
- Patent number 6,819,275
- Issue date Nov 16, 2004
- Koninklijke Philips Electronics N.V.
- Derk Reefman
- G11 - INFORMATION STORAGE
Information Patent Grant
Watermark insertion and extraction into and from a high quality sig...
- Patent number 6,690,812
- Issue date Feb 10, 2004
- Koninklijke Philips Electronics N.V.
- Derk Reefman
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and arrangement for synchronizing a sigma delta-modulator
- Patent number 6,606,043
- Issue date Aug 12, 2003
- Koninklijke Philips Electronics N.V.
- Derk Reefman
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of determining an intrinsic spectrum from a measured spectrum
- Patent number 6,370,490
- Issue date Apr 9, 2002
- U.S. Philips Corporation
- Derk Reefman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of standard-less phase analysis by means of a diffractogram
- Patent number 6,108,401
- Issue date Aug 22, 2000
- U.S. Philips Corporation
- Derk Reefman
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SUPERCONDUCTING COIL SUPPORT DEVICE AND METHOD AND APPARATUS INCLUD...
- Publication number 20170097397
- Publication date Apr 6, 2017
- PHILIP ALEXANDER JONAS
- G01 - MEASURING TESTING
Information Patent Application
PLANAR, MONOLITHICALLY INTEGRATED COIL
- Publication number 20110128111
- Publication date Jun 2, 2011
- NXP B.V.
- Freddy Roozeboom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INDUCTIVELY POWERED ELECTRIC COMPONENT OF AN MRI APPARATUS
- Publication number 20110084694
- Publication date Apr 14, 2011
- Koninklijke Philips Electronics N.V.
- Eberhard Waffenschmidt
- G01 - MEASURING TESTING
Information Patent Application
THIN FILM DETECTOR FOR PRESENCE DETECTION
- Publication number 20100277040
- Publication date Nov 4, 2010
- Koninklijke Philips Electronics N.V.
- Mareike Klee
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
INTEGRATION SUBSTRATE WITH A ULTRA-HIGH-DENSITY CAPACITOR AND A THR...
- Publication number 20100244189
- Publication date Sep 30, 2010
- IPDIA
- Johan H. Klootwijk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHARGE PUMP DC-DC CONVERTER COMPRISING SOLID STATE BATTERIES
- Publication number 20100225278
- Publication date Sep 9, 2010
- NXP B.V.
- Derk Reefman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-TO-DC CONVERTER COMPRISING A RECONFIGURABLE CAPACITOR UNIT
- Publication number 20100117612
- Publication date May 13, 2010
- NXP B.V.
- Johan H. Klootwijk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PARALLEL ARRANGED LINEAR AMPLIFIER AND DC-DC CONVERTER
- Publication number 20100045247
- Publication date Feb 25, 2010
- NXP B.V.
- Pieter G. Blanken
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIRECT STREAM DIGITAL AUDIO WITH MINIMAL STORAGE REQUIREMENT
- Publication number 20090287493
- Publication date Nov 19, 2009
- Koninklijke Philips Electronics, N.V.
- Erwin Janssen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Pulse modulation and demodulation in a multiband uwb communication...
- Publication number 20090219973
- Publication date Sep 3, 2009
- Derk Reefman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ASSEMBLY, CHIP AND METHOD OF OPERATING
- Publication number 20090146760
- Publication date Jun 11, 2009
- NXP B.V.
- Derk Reefman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electronic Quadrature Device
- Publication number 20080298507
- Publication date Dec 4, 2008
- NXP B.V.
- Lucien Johannes Breems
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Integrated Capacitor Arrangement for Ultrahigh Capacitance Values
- Publication number 20080291601
- Publication date Nov 27, 2008
- NXP B.V.
- Freddy Roozeboom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Assembly Comprising a Wireless-Communication Semiconductor Chip
- Publication number 20080205497
- Publication date Aug 28, 2008
- Koninklijke Philips Electronics, N.V.
- Josephus Arnoldus Henricus Maria Kahlman
- G01 - MEASURING TESTING
Information Patent Application
Differential Phase Coding in Wireless Communication System
- Publication number 20080205488
- Publication date Aug 28, 2008
- Koninklijke Philips Electronics N.V.
- Derk Reefman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Noise-Shaping Device and Method with Improved Lossless Compression...
- Publication number 20070290906
- Publication date Dec 20, 2007
- Koninklijke Philips Electronics N.V.
- Derk Reefman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Da-converter system and a method for converting a multi-bit digital...
- Publication number 20070152859
- Publication date Jul 5, 2007
- Derk Reefman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Adaptive filtering
- Publication number 20070052556
- Publication date Mar 8, 2007
- Koninklijke Philips Electronics N.V. Groenewoudseweg 1
- Erwin Janssen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Sigma-delta modulator
- Publication number 20070035424
- Publication date Feb 15, 2007
- Koninklijke Philips Electronics N.V. Groenewoudseweg 1
- Erwin Janssen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Generating bit-streams with higher compression gains
- Publication number 20070018857
- Publication date Jan 25, 2007
- Koninklijke Philips Electronics N.V.
- Erwin Janssen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Sigma-delta modulation
- Publication number 20060049970
- Publication date Mar 9, 2006
- Derk Reefman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Mixing system for mixing oversampled digital audio signals
- Publication number 20050075744
- Publication date Apr 7, 2005
- Derk Reefman
- G11 - INFORMATION STORAGE
Information Patent Application
Sigma-delta modulation
- Publication number 20050001749
- Publication date Jan 6, 2005
- Derk Reefman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Audio signal compression
- Publication number 20040230427
- Publication date Nov 18, 2004
- Derk Reefman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Robust watermark for DSD signals
- Publication number 20030079131
- Publication date Apr 24, 2003
- Derk Reefman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio signal compression
- Publication number 20020163455
- Publication date Nov 7, 2002
- Derk Reefman
- G11 - INFORMATION STORAGE
Information Patent Application
Audio signal processing with adaptive noise-shaping modulation
- Publication number 20020165631
- Publication date Nov 7, 2002
- Petrus Antonius Cornelis Maria Nuijten
- G11 - INFORMATION STORAGE
Information Patent Application
Digital low pass filter
- Publication number 20020107898
- Publication date Aug 8, 2002
- Derk Reefman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method and arrangement for concealing errors
- Publication number 20020080957
- Publication date Jun 27, 2002
- Derk Reefman
- G11 - INFORMATION STORAGE
Information Patent Application
Method and arrangement for synchronizing a sigma delta-modulator
- Publication number 20020036578
- Publication date Mar 28, 2002
- Derk Reefman
- G11 - INFORMATION STORAGE

Derk Reefman

Person

Patents Grantslast 30 patents

Inductively powered electric component of an MRI apparatus

Integration substrate with a ultra-high-density capacitor and a thr...

Pulse modulation and demodulation in a multiband UWB communication...

Charge pump DC-DC converter comprising solid state batteries

Planar, monolithically integrated coil

DC-to-DC converter comprising a reconfigurable capacitor unit

Assembly, chip and method of operating

Thin film detector for presence detection

Integrated capacitor arrangement for ultrahigh capacitance values

Parallel arranged power supplies

DA-converter system and a method for converting a multi-bit digital...

Sigma-delta modulator with a quantizer/gain element

Robust watermark for DSD signals

Mixing system for mixing oversampled digital audio signals

Generating bit-streams with higher compression gains

Method and arrangement for concealing errors

Sigma-delta modulation

Audio signal compression

Watermark insertion and extraction into and from a high quality sig...

Method and arrangement for synchronizing a sigma delta-modulator

Method of determining an intrinsic spectrum from a measured spectrum

Method of standard-less phase analysis by means of a diffractogram

Patents Applicationslast 30 patents

SUPERCONDUCTING COIL SUPPORT DEVICE AND METHOD AND APPARATUS INCLUD...

PLANAR, MONOLITHICALLY INTEGRATED COIL

INDUCTIVELY POWERED ELECTRIC COMPONENT OF AN MRI APPARATUS

THIN FILM DETECTOR FOR PRESENCE DETECTION

INTEGRATION SUBSTRATE WITH A ULTRA-HIGH-DENSITY CAPACITOR AND A THR...

CHARGE PUMP DC-DC CONVERTER COMPRISING SOLID STATE BATTERIES

DC-TO-DC CONVERTER COMPRISING A RECONFIGURABLE CAPACITOR UNIT

PARALLEL ARRANGED LINEAR AMPLIFIER AND DC-DC CONVERTER

DIRECT STREAM DIGITAL AUDIO WITH MINIMAL STORAGE REQUIREMENT

Pulse modulation and demodulation in a multiband uwb communication...

ASSEMBLY, CHIP AND METHOD OF OPERATING

Electronic Quadrature Device

Integrated Capacitor Arrangement for Ultrahigh Capacitance Values

Assembly Comprising a Wireless-Communication Semiconductor Chip

Differential Phase Coding in Wireless Communication System

Noise-Shaping Device and Method with Improved Lossless Compression...

Da-converter system and a method for converting a multi-bit digital...

Adaptive filtering

Sigma-delta modulator

Generating bit-streams with higher compression gains

Sigma-delta modulation

Mixing system for mixing oversampled digital audio signals

Sigma-delta modulation

Audio signal compression

Robust watermark for DSD signals

Audio signal compression

Audio signal processing with adaptive noise-shaping modulation

Digital low pass filter

Method and arrangement for concealing errors

Method and arrangement for synchronizing a sigma delta-modulator