Robert D. Freeman

Person

Erie, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tilt focus mechanism for an optical drive
- Patent number 7,337,452
- Issue date Feb 26, 2008
- DPHI Acquisitions, Inc.
- Robert David Freeman
- G11 - INFORMATION STORAGE
Information Patent Grant
Low profile optical head
- Patent number 7,227,817
- Issue date Jun 5, 2007
- DPHI Acquisitions, Inc.
- Ian Redmond
- G11 - INFORMATION STORAGE
Information Patent Grant
Low profile optical head
- Patent number 6,914,868
- Issue date Jul 5, 2005
- DPHI Acquisitions, Inc.
- Ian Redmond
- G11 - INFORMATION STORAGE
Information Patent Grant
Mechanism and method for positioning data cartridge in disk drive
- Patent number 6,906,892
- Issue date Jun 14, 2005
- DPHI Aquisitions, Inc.
- Glade N. Bagnell
- G11 - INFORMATION STORAGE
Information Patent Grant
Tilt focus method and mechanism for an optical drive
- Patent number 6,901,598
- Issue date May 31, 2005
- DPHI Acquisitions, Inc.
- Robert David Freeman
- G11 - INFORMATION STORAGE
Information Patent Grant
Data cartridge load/unload mechanism for disk drive
- Patent number 6,829,120
- Issue date Dec 7, 2004
- DPHI Acquisitions, Inc.
- Glade N. Bagnell
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for aligning actuator assembly to a base in a miniature opti...
- Patent number 6,826,138
- Issue date Nov 30, 2004
- DPHI Acquisitions, Inc.
- Scott D. Abrahamson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic hub assembly for data storage disk
- Patent number 6,817,026
- Issue date Nov 9, 2004
- DPHI Acquisitions, Inc.
- Thomas E. Berg
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser thermal management system
- Patent number 6,717,893
- Issue date Apr 6, 2004
- DPHI Acquisitions, Inc.
- David W. Niss
- G11 - INFORMATION STORAGE
Information Patent Grant
Low profile and medium protecting cartridge assembly
- Patent number 6,687,215
- Issue date Feb 3, 2004
- DPHI Acquisitions, Inc.
- Glade Bagnell
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive actuator and method of making same
- Patent number 6,632,310
- Issue date Oct 14, 2003
- DPHI Acquisitions, Inc.
- Robert David Freeman
- G11 - INFORMATION STORAGE
Information Patent Grant
Continuous flexible connection method for miniature optical head
- Patent number 6,631,113
- Issue date Oct 7, 2003
- DPHI Acquisitions, Inc.
- Robert D. Freeman
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive head lift mechanism
- Patent number 5,057,954
- Issue date Oct 15, 1991
- Maxtor Corporation
- William O'Sullivan
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for improved thermal isolation and stability o...
- Patent number 4,980,786
- Issue date Dec 25, 1990
- Maxtor Corporation
- William O'Sullivan
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Miniature optical disk for data storage
- Publication number 20030157292
- Publication date Aug 21, 2003
- DataPlay, Inc.
- Brian S. Medower
- G07 - CHECKING-DEVICES
Information Patent Application
Eccentric CAM for limiting actuator tracking
- Publication number 20030043727
- Publication date Mar 6, 2003
- Robert D. Freeman
- G11 - INFORMATION STORAGE
Information Patent Application
Focus stop for limiting actuator assembly focus travel
- Publication number 20030043726
- Publication date Mar 6, 2003
- Robert D. Freeman
- G11 - INFORMATION STORAGE
Information Patent Application
Mechanism for limiting actuator assembley movement in a data storag...
- Publication number 20030043729
- Publication date Mar 6, 2003
- DataPlay, Inc.
- Robert D. Freeman
- G11 - INFORMATION STORAGE
Information Patent Application
Method for aligning actuator assembly to a base in a miniature opti...
- Publication number 20030043717
- Publication date Mar 6, 2003
- Scott D. Abrahamson
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive actuator and method of making same
- Publication number 20020134492
- Publication date Sep 26, 2002
- Robert David Freeman
- G11 - INFORMATION STORAGE
Information Patent Application
Mechanism and method for limiting ejection of data cartridge from a...
- Publication number 20020131201
- Publication date Sep 19, 2002
- DataPlay, Inc.
- Glade N. Bagnell
- G11 - INFORMATION STORAGE
Information Patent Application
Data cartridge load/unload mechanism for disk drive
- Publication number 20020126413
- Publication date Sep 12, 2002
- Glade N. Bagnell
- G11 - INFORMATION STORAGE
Information Patent Application
Mechanism and method for positioning data cartridge in disk drive
- Publication number 20020126414
- Publication date Sep 12, 2002
- Glade N. Bagnell
- G11 - INFORMATION STORAGE
Information Patent Application
Method of aligning and mounting hub member on data storage disk
- Publication number 20020109776
- Publication date Aug 15, 2002
- Thomas E. Berg
- G11 - INFORMATION STORAGE
Information Patent Application
Tilt focus method and mechanism for an optical drive
- Publication number 20020101796
- Publication date Aug 1, 2002
- Robert David Freeman
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic hub assembly for data storage disk
- Publication number 20010036149
- Publication date Nov 1, 2001
- Thomas E. Berg
- G11 - INFORMATION STORAGE

Robert D. Freeman

Person

Patents Grantslast 30 patents

Tilt focus mechanism for an optical drive

Low profile optical head

Low profile optical head

Mechanism and method for positioning data cartridge in disk drive

Tilt focus method and mechanism for an optical drive

Data cartridge load/unload mechanism for disk drive

Method for aligning actuator assembly to a base in a miniature opti...

Magnetic hub assembly for data storage disk

Laser thermal management system

Low profile and medium protecting cartridge assembly

Disk drive actuator and method of making same

Continuous flexible connection method for miniature optical head

Disk drive head lift mechanism

Method and apparatus for improved thermal isolation and stability o...

Patents Applicationslast 30 patents

Miniature optical disk for data storage

Eccentric CAM for limiting actuator tracking

Focus stop for limiting actuator assembly focus travel

Mechanism for limiting actuator assembley movement in a data storag...

Method for aligning actuator assembly to a base in a miniature opti...

Disk drive actuator and method of making same

Mechanism and method for limiting ejection of data cartridge from a...

Data cartridge load/unload mechanism for disk drive

Mechanism and method for positioning data cartridge in disk drive

Method of aligning and mounting hub member on data storage disk

Tilt focus method and mechanism for an optical drive

Magnetic hub assembly for data storage disk