Peter Quadflieg

Person

Aachen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Display device with improved representation of the shades of grey
- Patent number 7,259,773
- Issue date Aug 21, 2007
- Koninklijke Philips Electronics, N.V.
- Gerhard Spekowius
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of reproducing a gray scale image in colors
- Patent number 6,906,727
- Issue date Jun 14, 2005
- Koninklijke Philips Electronics, N.V.
- Martin Weibrecht
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color picture screen with blue phosphor layer
- Patent number 6,762,548
- Issue date Jul 13, 2004
- Koninklijke Philips Electronics N.V.
- Hans-Helmut Bechtel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device with improved representation of the shades of grey
- Patent number 6,618,056
- Issue date Sep 9, 2003
- Koninklijke Philips Electronics N.V.
- Gerhard Spekowius
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Correction of fixed pattern noise
- Patent number 6,086,252
- Issue date Jul 11, 2000
- U.S. Philips Corporation
- Peter Quadflieg
- G01 - MEASURING TESTING
Information Patent Grant
Device for producing x-ray images by means of a photoconductor
- Patent number 4,998,266
- Issue date Mar 5, 1991
- U.S. Philips Corporation
- Walter Hillen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrostatic induction probe arrangement using several probes
- Patent number 4,760,342
- Issue date Jul 26, 1988
- U.S. Philips Corp.
- Josef N. Conrads
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for producing an X-ray image by means of a pho...
- Patent number 4,752,944
- Issue date Jun 21, 1988
- U.S. Philips Corporation
- Norbert Conrads
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Display device with improved representation of the shades of grey
- Publication number 20040104921
- Publication date Jun 3, 2004
- Gerhard Spekowius
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of reproducing a gray scale image in colors
- Publication number 20020131634
- Publication date Sep 19, 2002
- Martin Weibrecht
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Color picture screen with blue phosphor layer
- Publication number 20020047510
- Publication date Apr 25, 2002
- Koninklijke Philips Electronics N.V.
- Hans-Helmut Bechtel
- H01 - BASIC ELECTRIC ELEMENTS

Peter Quadflieg

Person

Patents Grantslast 30 patents

Display device with improved representation of the shades of grey

Method of reproducing a gray scale image in colors

Color picture screen with blue phosphor layer

Display device with improved representation of the shades of grey

Correction of fixed pattern noise

Device for producing x-ray images by means of a photoconductor

Electrostatic induction probe arrangement using several probes

Method and apparatus for producing an X-ray image by means of a pho...

Patents Applicationslast 30 patents

Display device with improved representation of the shades of grey

Method of reproducing a gray scale image in colors

Color picture screen with blue phosphor layer