Henricus M. M. Kessels

Person

Eindhoven, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Device for optically scanning an information plane detecting border...
- Patent number 5,144,131
- Issue date Sep 1, 1992
- U.S. Philips Corporation
- Willem G. Opheij
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical scanning apparatus which detects scanning spot focus error
- Patent number 4,850,673
- Issue date Jul 25, 1989
- U.S. Philips Corporation
- Christiaan H. F. Velzel
- G02 - OPTICS
Information Patent Grant
Arrangement for optically measuring the profile of a radiation refl...
- Patent number 4,808,003
- Issue date Feb 28, 1989
- U.S. Philips Corporation
- Henricus M. M. Kessels
- G01 - MEASURING TESTING
Information Patent Grant
Optical record carrier scanning apparatus with scanning beam focus...
- Patent number 4,800,547
- Issue date Jan 24, 1989
- U.S. Philips Corporation
- Henricus M. M. Kessels
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical assembly
- Patent number 4,776,670
- Issue date Oct 11, 1988
- U.S. Philips Corporation
- Henricus M. M. Kessels
- G02 - OPTICS
Information Patent Grant
Optical system which provides a collimated light beam
- Patent number 4,431,267
- Issue date Feb 14, 1984
- U.S. Philips Corporation
- Johan C. J. Finck
- G02 - OPTICS
Information Patent Grant
Specimen holder for an X-ray diffraction apparatus
- Patent number 3,973,120
- Issue date Aug 3, 1976
- U.S. Philips Corporation
- Henricus Mathias Marie Kessels
- G01 - MEASURING TESTING

Henricus M. M. Kessels

Person

Patents Grantslast 30 patents

Device for optically scanning an information plane detecting border...

Optical scanning apparatus which detects scanning spot focus error

Arrangement for optically measuring the profile of a radiation refl...

Optical record carrier scanning apparatus with scanning beam focus...

Optical assembly

Optical system which provides a collimated light beam

Specimen holder for an X-ray diffraction apparatus