Leonardus J. Grassens

Person

Colorado Springs, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Debugging with set verbosity level during read and analysis of exec...
- Patent number 7,231,633
- Issue date Jun 12, 2007
- LSI Corporation
- Leonardus Grassens
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical actuator assembly with lens position sensor for recording o...
- Patent number 6,532,199
- Issue date Mar 11, 2003
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Analog to digital converter and assembly for use in optical drive s...
- Patent number 6,266,306
- Issue date Jul 24, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system having servo motor and servo error detection as...
- Patent number 6,243,336
- Issue date Jun 5, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical actuator including lens assembly with optical axis having s...
- Patent number 6,141,300
- Issue date Oct 31, 2000
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Isolation apparatus for use in disc drive system to mitigate effect...
- Patent number 6,122,232
- Issue date Sep 19, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive system having servomotor operated relative to maximum...
- Patent number 6,058,081
- Issue date May 2, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for aligning an objective lens
- Patent number 6,023,379
- Issue date Feb 8, 2000
- Discovision Associates
- Leonardus J. Grassens
- G02 - OPTICS
Information Patent Grant
Seek actuator for optical recording
- Patent number 5,808,980
- Issue date Sep 15, 1998
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for focusing a lens
- Patent number 5,790,325
- Issue date Aug 4, 1998
- Discovision Associates
- Leonardus J. Grassens
- G02 - OPTICS
Information Patent Grant
Method and apparatus for aligning an objective lens
- Patent number 5,768,035
- Issue date Jun 16, 1998
- Leonardus J. Grassens
- G02 - OPTICS
Information Patent Grant
Optical disc system having servo motor and servo error detection as...
- Patent number 5,729,511
- Issue date Mar 17, 1998
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for manufacturing information storage devices
- Patent number 5,708,633
- Issue date Jan 13, 1998
- Discovision Associates
- Zdenek A. Hollen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Seek actuator for optical recording
- Patent number 5,532,989
- Issue date Jul 2, 1996
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Flexure suspension for two axis actuator
- Patent number 5,313,332
- Issue date May 17, 1994
- Applied Magnetics Corporation
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Seek actuator for optical recording
- Patent number 5,265,079
- Issue date Nov 23, 1993
- Applied Magnetics Corporation
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Two-axis moving coil actuator
- Patent number 5,177,640
- Issue date Jan 5, 1993
- Applied Magnetics Corporation
- Leonardus J. Grassens
- G11 - INFORMATION STORAGE
Information Patent Grant
Two axis electromagnetic actuator
- Patent number 5,136,558
- Issue date Aug 4, 1992
- Applied Magnetics Corporation
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Actuator assembly for optical disk systems
- Patent number 4,945,526
- Issue date Jul 31, 1990
- Laser Magnetic Storage International Company
- Gerardus L. M. Jansen
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Automated program debugging tool
- Publication number 20050015751
- Publication date Jan 20, 2005
- Leonardus Grassens
- G06 - COMPUTING CALCULATING COUNTING

Leonardus J. Grassens

Person

Patents Grantslast 30 patents

Debugging with set verbosity level during read and analysis of exec...

Optical actuator assembly with lens position sensor for recording o...

Analog to digital converter and assembly for use in optical drive s...

Optical disc system having servo motor and servo error detection as...

Optical actuator including lens assembly with optical axis having s...

Isolation apparatus for use in disc drive system to mitigate effect...

Optical drive system having servomotor operated relative to maximum...

Method and apparatus for aligning an objective lens

Seek actuator for optical recording

Method and apparatus for focusing a lens

Method and apparatus for aligning an objective lens

Optical disc system having servo motor and servo error detection as...

Method and apparatus for manufacturing information storage devices

Seek actuator for optical recording

Flexure suspension for two axis actuator

Seek actuator for optical recording

Two-axis moving coil actuator

Two axis electromagnetic actuator

Actuator assembly for optical disk systems

Patents Applicationslast 30 patents

Automated program debugging tool