David E. Call

Person

Hollister, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Laser power-drive circuit having a scaling DAC supplying a scaled r...
- Patent number 5,640,381
- Issue date Jun 17, 1997
- International Business Machines Corporation
- David Ernest Call
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording device capable of reducing thermal interf...
- Patent number 5,602,806
- Issue date Feb 11, 1997
- International Business Machines Corporation
- Patrick C. Arnett
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibration of readback threshold in an optical storage device to d...
- Patent number 5,526,329
- Issue date Jun 11, 1996
- International Business Machines Corporation
- John E. Bish
- G11 - INFORMATION STORAGE
Information Patent Grant
Monitoring and adjusting laser write power in an optical disk recor...
- Patent number 5,450,383
- Issue date Sep 12, 1995
- International Business Machines Corporation
- David E. Call
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibration of readback threshold in an optical storage device
- Patent number 5,430,702
- Issue date Jul 4, 1995
- International Business Machines Corporation
- John E. Bish
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser power control with defocusing offset during data recording
- Patent number 5,383,175
- Issue date Jan 17, 1995
- International Business Machines Corporation
- Blair I. Finkelstein
- G11 - INFORMATION STORAGE
Information Patent Grant
Compensated laser drive circuit
- Patent number 5,309,461
- Issue date May 3, 1994
- International Business Machines Corporation
- David E. Call
- G11 - INFORMATION STORAGE
Information Patent Grant
Write power calibration utilizing least squares fit of read-back si...
- Patent number 5,268,893
- Issue date Dec 7, 1993
- International Business Machines Corporation
- David E. Call
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser power calibration by measuring laser drive current at out of...
- Patent number 5,216,659
- Issue date Jun 1, 1993
- International Business Machines
- David E. Call
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibrating and power-protecting laser drive circuits
- Patent number 5,185,734
- Issue date Feb 9, 1993
- International Business Machines Corporation
- David E. Call
- G11 - INFORMATION STORAGE
Information Patent Grant
System for predicting laser end-of life from the power vs. current...
- Patent number 5,172,365
- Issue date Dec 15, 1992
- International Business Machines Corporation
- David E. Call
- G11 - INFORMATION STORAGE

David E. Call

Person

Patents Grantslast 30 patents

Laser power-drive circuit having a scaling DAC supplying a scaled r...

Magneto-optical recording device capable of reducing thermal interf...

Calibration of readback threshold in an optical storage device to d...

Monitoring and adjusting laser write power in an optical disk recor...

Calibration of readback threshold in an optical storage device

Laser power control with defocusing offset during data recording

Compensated laser drive circuit

Write power calibration utilizing least squares fit of read-back si...

Laser power calibration by measuring laser drive current at out of...

Calibrating and power-protecting laser drive circuits

System for predicting laser end-of life from the power vs. current...