Donald W. Janz

Person

Oklahoma City, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Load balancing circuit for a dual polarity power supply with single...
- Patent number 6,778,347
- Issue date Aug 17, 2004
- Seagate Technology LLC
- Donald W. Janz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disc drive having charge feedback drive microactuator
- Patent number 6,504,669
- Issue date Jan 7, 2003
- Seagate Technology LLC
- Donald W. Janz
- G11 - INFORMATION STORAGE
Information Patent Grant
Superpositioning microactuator control and write current signals in...
- Patent number 6,219,193
- Issue date Apr 17, 2001
- Seagate Technology LLC
- Donald W. Janz
- G11 - INFORMATION STORAGE
Information Patent Grant
Low ripple negative voltage supply for a disc drive
- Patent number 6,178,055
- Issue date Jan 23, 2001
- Seagate Technology LLC
- Donald W. Janz
- G11 - INFORMATION STORAGE
Information Patent Grant
Regulated inverting power supply
- Patent number 6,125,047
- Issue date Sep 26, 2000
- Seagate Technology, Inc.
- Donald W. Janz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for alternatively reading or writing data to a...
- Patent number 5,241,430
- Issue date Aug 31, 1993
- Seagate Technology, Inc.
- Donald W. Janz
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for writing servo patterns to a disc of a hard disc drive
- Patent number 5,164,863
- Issue date Nov 17, 1992
- Seagate Technology, Inc.
- Donald W. Janz
- G11 - INFORMATION STORAGE
Information Patent Grant
Tri-phase servo pattern for providing positioning information in a...
- Patent number 5,095,393
- Issue date Mar 10, 1992
- Seagate Technology, Inc.
- Donald W. Janz
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for writing a servo pattern
- Patent number 4,912,576
- Issue date Mar 27, 1990
- Magnetic Peripherals Inc.
- Donald W. Janz
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for writing a tri-phase servo pattern which provides informa...
- Patent number 4,864,434
- Issue date Sep 5, 1989
- Magnetic Peripherals Inc.
- Donald W. Janz
- G11 - INFORMATION STORAGE
Information Patent Grant
Tri-phase servo pattern for providing information for positioning t...
- Patent number 4,811,135
- Issue date Mar 7, 1989
- Magnetic Peripherals Inc.
- Donald W. Janz
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuit for removing unwanted slope transitions from an incoming si...
- Patent number 4,760,319
- Issue date Jul 26, 1988
- Magnetic Peripherals Inc.
- Donald W. Janz
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Load balancing circuit for a dual polarity power supply with single...
- Publication number 20020060875
- Publication date May 23, 2002
- Seagate Technology LLC
- Donald W. Janz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Donald W. Janz

Person

Patents Grantslast 30 patents

Load balancing circuit for a dual polarity power supply with single...

Disc drive having charge feedback drive microactuator

Superpositioning microactuator control and write current signals in...

Low ripple negative voltage supply for a disc drive

Regulated inverting power supply

Method and apparatus for alternatively reading or writing data to a...

Method for writing servo patterns to a disc of a hard disc drive

Tri-phase servo pattern for providing positioning information in a...

Method for writing a servo pattern

Method for writing a tri-phase servo pattern which provides informa...

Tri-phase servo pattern for providing information for positioning t...

Circuit for removing unwanted slope transitions from an incoming si...

Patents Applicationslast 30 patents

Load balancing circuit for a dual polarity power supply with single...