David E. Lewis

Person

Colorado Springs, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical disc system and method for controlling bias coil and light...
- Patent number 6,434,087
- Issue date Aug 13, 2002
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Analog to digital converter assembly for normalizing servo error si...
- Patent number 6,418,097
- Issue date Jul 9, 2002
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system having current monitoring circuit with improved...
- Patent number 6,317,391
- Issue date Nov 13, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling an optical head relative to an...
- Patent number 6,317,393
- Issue date Nov 13, 2001
- Discovision Associates
- David E. Lewis
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system including current monitoring circuit assembly h...
- Patent number 6,278,665
- Issue date Aug 21, 2001
- Discovision Associates
- David L. Schell
- 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 disc system having current monitoring circuit with controll...
- Patent number 6,236,625
- Issue date May 22, 2001
- Discovision Associates
- David L. Schell
- 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 disc system having improved circuitry for performing blank...
- Patent number 6,069,857
- Issue date May 30, 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
Laser driver for controlling electrical current passed to a laser i...
- Patent number 5,878,015
- Issue date Mar 2, 1999
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for controlling an electrical current passed to a writing...
- Patent number 5,796,703
- Issue date Aug 18, 1998
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
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 controlling bias levels in a magneto-optic...
- Patent number 5,721,714
- Issue date Feb 24, 1998
- Discovision Associates
- David E. Lewis
- G05 - CONTROLLING REGULATING
Information Patent Grant
Optical seeking method and apparatus generating track count signal...
- Patent number 5,719,836
- Issue date Feb 17, 1998
- Discovision Associates
- David E. Lewis
- G11 - INFORMATION STORAGE
Information Patent Grant
Flexible strip cable with extension for testing
- Patent number 5,700,979
- Issue date Dec 23, 1997
- Discovision Associates
- David E. Lewis
- G01 - MEASURING TESTING
Information Patent Grant
Biasing level controller for magneto-optical recording device
- Patent number 5,666,333
- Issue date Sep 9, 1997
- Discovision Associates
- David E. Lewis
- G05 - CONTROLLING REGULATING
Information Patent Grant
Optical seeking apparatus with track crossing signal generation usi...
- Patent number 5,659,526
- Issue date Aug 19, 1997
- Discovision Associates
- David E. Lewis
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical seeking method and apparatus with track counting using trac...
- Patent number 5,581,526
- Issue date Dec 3, 1996
- Discovision Associates
- David E. Lewis
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk tracking and seeking systems and specific track format...
- Patent number 4,914,645
- Issue date Apr 3, 1990
- Laser Magnetic Storage International Company
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Sampled servo for an optical disk drive
- Patent number 4,779,253
- Issue date Oct 18, 1988
- Laser Magnetic Storage International Company
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE

David E. Lewis

Person

Patents Grantslast 30 patents

Optical disc system and method for controlling bias coil and light...

Analog to digital converter assembly for normalizing servo error si...

Optical disc system having current monitoring circuit with improved...

Method and apparatus for controlling an optical head relative to an...

Optical disc system including current monitoring circuit assembly h...

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

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

Optical disc system having current monitoring circuit with controll...

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

Optical disc system having improved circuitry for performing blank...

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

Laser driver for controlling electrical current passed to a laser i...

Apparatus for controlling an electrical current passed to a writing...

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

Method and apparatus for controlling bias levels in a magneto-optic...

Optical seeking method and apparatus generating track count signal...

Flexible strip cable with extension for testing

Biasing level controller for magneto-optical recording device

Optical seeking apparatus with track crossing signal generation usi...

Optical seeking method and apparatus with track counting using trac...

Optical disk tracking and seeking systems and specific track format...

Sampled servo for an optical disk drive