John A. Clarke

Person

Carshalton, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Illumination system and display device
- Patent number 6,840,646
- Issue date Jan 11, 2005
- Koninklijke Philips Electronics N.V.
- Hugo Johan Cornelissen
- G02 - OPTICS
Information Patent Grant
Laser system with mixed polarity beamlets
- Patent number 6,690,515
- Issue date Feb 10, 2004
- Koninklijke Philips Electronics N.V.
- David J. McCulloch
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Display system having curved microlens array between flat matrix di...
- Patent number 6,462,795
- Issue date Oct 8, 2002
- Koninklijke Philips Electronics N.V.
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
CRT having microlenses with a predetermined relationship with the c...
- Patent number 6,133,687
- Issue date Oct 17, 2000
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Autostereoscopic display apparatus
- Patent number 6,064,424
- Issue date May 16, 2000
- U.S. Philips Corporation
- Cornelis van Berkel
- G02 - OPTICS
Information Patent Grant
Image sensor in which each lens element is associated with a plural...
- Patent number 6,057,538
- Issue date May 2, 2000
- U.S. Philips Corporation
- John A. Clarke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical device comprising an array of pixels
- Patent number 6,014,232
- Issue date Jan 11, 2000
- U.S. Philips Corporation
- John A. Clarke
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image sensor
- Patent number 5,956,163
- Issue date Sep 21, 1999
- U.S. Philips Corporation
- John A. Clarke
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color interlaced image projection apparatus
- Patent number 5,897,191
- Issue date Apr 27, 1999
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Interlaced image projection apparatus
- Patent number 5,842,762
- Issue date Dec 1, 1998
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Color liquid crystal projection display systems
- Patent number 5,757,341
- Issue date May 26, 1998
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Interlaced image projection apparatus
- Patent number 5,727,860
- Issue date Mar 17, 1998
- U.S. Philips Corporation
- Dirk J. Broer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid crystal projection system having three different color beams...
- Patent number 5,623,349
- Issue date Apr 22, 1997
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Liquid crystal projection display systems
- Patent number 5,612,797
- Issue date Mar 18, 1997
- U.S. Philips Corporation
- John A. Clarke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display tube having improved brightness distribution
- Patent number RE34131
- Issue date Nov 24, 1992
- U.S. Philips Corporation
- Leendert Vriens
- 313 - Electric lamp and discharge devices
Information Patent Grant
Liquid crystal display illumination system
- Patent number 4,915,479
- Issue date Apr 10, 1990
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Display tube having improved brightness distribution
- Patent number 4,804,884
- Issue date Feb 14, 1989
- U.S. Philips Corporation
- Leendert Vriens
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Projection lens system
- Patent number 4,699,476
- Issue date Oct 13, 1987
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Projection lens system
- Patent number 4,699,477
- Issue date Oct 13, 1987
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Projection lens system
- Patent number 4,595,263
- Issue date Jun 17, 1986
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Projection lens system
- Patent number 4,573,769
- Issue date Mar 4, 1986
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS
Information Patent Grant
Optical viewing device of the periscope type with rotating means fo...
- Patent number 4,116,528
- Issue date Sep 26, 1978
- U.S. Philips Corporation
- John A. Clarke
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Illumination system and display device
- Publication number 20020126478
- Publication date Sep 12, 2002
- Hugo Johan Cornelissen
- G02 - OPTICS
Information Patent Application
Laser system
- Publication number 20020021497
- Publication date Feb 21, 2002
- Koninklijke Philips Electronics N.V.
- David J. McCulloch
- G02 - OPTICS

John A. Clarke

Person

Patents Grantslast 30 patents

Illumination system and display device

Laser system with mixed polarity beamlets

Display system having curved microlens array between flat matrix di...

CRT having microlenses with a predetermined relationship with the c...

Autostereoscopic display apparatus

Image sensor in which each lens element is associated with a plural...

Electrical device comprising an array of pixels

Image sensor

Color interlaced image projection apparatus

Interlaced image projection apparatus

Color liquid crystal projection display systems

Interlaced image projection apparatus

Liquid crystal projection system having three different color beams...

Liquid crystal projection display systems

Display tube having improved brightness distribution

Liquid crystal display illumination system

Display tube having improved brightness distribution

Projection lens system

Projection lens system

Projection lens system

Projection lens system

Optical viewing device of the periscope type with rotating means fo...

Patents Applicationslast 30 patents

Illumination system and display device

Laser system