Douglas C. Hansen

Person

Boulder, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Ionization pressure gauge with bias voltage and emission current co...
- Patent number 9,927,317
- Issue date Mar 27, 2018
- MKS Instruments, Inc.
- Douglas C. Hansen
- G01 - MEASURING TESTING
Information Patent Grant
Trans-impedance amplifier with increased dynamic range
- Patent number 9,806,685
- Issue date Oct 31, 2017
- MKS Instruments, Inc.
- Douglas C. Hansen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Partial response maximum likelihood (PRML) detection trellis method...
- Patent number 6,798,841
- Issue date Sep 28, 2004
- Storage Technology Corporation
- Douglas C. Hansen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for reducing the sensitivity of a maximum likelihood detecti...
- Patent number 6,795,511
- Issue date Sep 21, 2004
- Storage Technology Corporation
- Douglas Christian Hansen
- G11 - INFORMATION STORAGE
Information Patent Grant
General purpose digital read channel architecture
- Patent number 6,574,059
- Issue date Jun 3, 2003
- Storage Technology Corporation
- Douglas Christian Hansen
- G11 - INFORMATION STORAGE
Information Patent Grant
General purpose digital read channel architecture
- Patent number 6,476,990
- Issue date Nov 5, 2002
- Storage Technology Corporation
- Douglas Christian Hansen
- G11 - INFORMATION STORAGE
Information Patent Grant
Helical scan tape drive error recovery using track profile mapping
- Patent number 6,366,422
- Issue date Apr 2, 2002
- Storage Technology Corporation
- David B. Daniel
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for reading data that is unreadable by a tape drive
- Patent number 5,969,898
- Issue date Oct 19, 1999
- Storage Technology Corporation
- Douglas C. Hansen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for utilizing a longitudinal track on a helical scan tape da...
- Patent number 5,566,032
- Issue date Oct 15, 1996
- Storage Technology Corporation
- Brian G. Cleveland
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
TRANS-IMPEDANCE AMPLIFIER WITH INCREASED DYNAMIC RANGE
- Publication number 20170331440
- Publication date Nov 16, 2017
- MKS Instruments, Inc.
- Douglas C. Hansen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Ionization Pressure Gauge With Bias Voltage And Emission Current Co...
- Publication number 20170010172
- Publication date Jan 12, 2017
- MKS Instruments, Inc.
- Douglas C. Hansen
- G01 - MEASURING TESTING
Information Patent Application
Devices And Methods For Feedthrough Leakage Current Detection And D...
- Publication number 20170010171
- Publication date Jan 12, 2017
- MKS Instruments, Inc.
- Stephen C. Blouch
- G01 - MEASURING TESTING
Information Patent Application
Partial response maximum likelihood (PRML) detection trellis method...
- Publication number 20020118768
- Publication date Aug 29, 2002
- Storage Technology Corporation
- Douglas C. Hansen
- G11 - INFORMATION STORAGE

Douglas C. Hansen

Person

Patents Grantslast 30 patents

Ionization pressure gauge with bias voltage and emission current co...

Trans-impedance amplifier with increased dynamic range

Partial response maximum likelihood (PRML) detection trellis method...

Method for reducing the sensitivity of a maximum likelihood detecti...

General purpose digital read channel architecture

General purpose digital read channel architecture

Helical scan tape drive error recovery using track profile mapping

Method and system for reading data that is unreadable by a tape drive

Method for utilizing a longitudinal track on a helical scan tape da...

Patents Applicationslast 30 patents

TRANS-IMPEDANCE AMPLIFIER WITH INCREASED DYNAMIC RANGE

Ionization Pressure Gauge With Bias Voltage And Emission Current Co...

Devices And Methods For Feedthrough Leakage Current Detection And D...

Partial response maximum likelihood (PRML) detection trellis method...