Robert L. Hazel

Person

Thousand Oaks, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Laser optical memory system having beam combining and separating ap...
- Patent number 4,888,759
- Issue date Dec 19, 1989
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus detection and control apparatus for maintaining accurate focu...
- Patent number 4,622,659
- Issue date Nov 11, 1986
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory system providing improved focusing control and impro...
- Patent number 4,621,353
- Issue date Nov 4, 1986
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE
Information Patent Grant
Beam combining and separating apparatus useful for combining and se...
- Patent number 4,562,568
- Issue date Dec 31, 1985
- Burroughs Corporation
- Robert L. Hazel
- G02 - OPTICS
Information Patent Grant
Optical memory system providing improved focus detection and contro...
- Patent number 4,559,622
- Issue date Dec 17, 1985
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE
Information Patent Grant
Three beam optical memory system
- Patent number 4,494,226
- Issue date Jan 15, 1985
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory system providing track following
- Patent number 4,443,870
- Issue date Apr 17, 1984
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for preformatting an optical disk
- Patent number 4,428,069
- Issue date Jan 24, 1984
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods of preformatting an optical disk
- Patent number 4,428,075
- Issue date Jan 24, 1984
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory system providing improved focusing control
- Patent number 4,417,330
- Issue date Nov 22, 1983
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE
Information Patent Grant
Preformatted optical media for use in an optical memory system
- Patent number 4,402,061
- Issue date Aug 30, 1983
- Burroughs Corporation
- Robert L. Hazel
- G11 - INFORMATION STORAGE

Robert L. Hazel

Person

Patents Grantslast 30 patents

Laser optical memory system having beam combining and separating ap...

Focus detection and control apparatus for maintaining accurate focu...

Optical memory system providing improved focusing control and impro...

Beam combining and separating apparatus useful for combining and se...

Optical memory system providing improved focus detection and contro...

Three beam optical memory system

Optical memory system providing track following

Apparatus for preformatting an optical disk

Methods of preformatting an optical disk

Optical memory system providing improved focusing control

Preformatted optical media for use in an optical memory system