James C. McDonald

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Black Forest, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for attenuating optical crosstalk induced components of a...
- Patent number 5,199,011
- Issue date Mar 30, 1993
- Hewlett-Packard Company
- James C. McDonald
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus capture method for magneto-optic disk drives
- Patent number 5,113,384
- Issue date May 12, 1992
- Hewlett-Packard Company
- James C. McDonald
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo system gain compensation method for magneto-optic disk drives
- Patent number 4,942,564
- Issue date Jul 17, 1990
- Hewlett-Packard Company
- Gregory V. Hofer
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for beam farfield shift focus compensation
- Patent number 4,937,440
- Issue date Jun 26, 1990
- Hewlett-Packard Company
- Gregory V. Hofer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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