Charles W. Hanson

Person

Milton, VT, US

People

Patents Grantslast 30 patents

Information Patent Grant
CMOS receiver for simultaneous bi-directional links
- Patent number 6,944,239
- Issue date Sep 13, 2005
- International Business Machines Corporation
- Delbert Raymond Cecchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Impedance enhancement circuit for CMOS low-voltage current source
- Patent number 6,753,724
- Issue date Jun 22, 2004
- International Business Machines Corporation
- Charles C. Hanson
- G05 - CONTROLLING REGULATING
Information Patent Grant
CMOS dual-stage differential receiver-amplifer
- Patent number 6,605,997
- Issue date Aug 12, 2003
- International Business Machines Corporation
- Charles C. Hanson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Center tap level control for current mode differential driver
- Patent number 6,603,348
- Issue date Aug 5, 2003
- International Business Machines Corporation
- Curtis Walter Preuss
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Active trim circuit for CMOS on-chip resistors
- Patent number 6,504,417
- Issue date Jan 7, 2003
- International Business Machines Corporation
- Delbert R. Cecchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Echo cancellation circuit for a Bi-directional current mode link
- Patent number 6,344,756
- Issue date Feb 5, 2002
- International Business Machines Corporation
- Delbert Raymond Cecchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
CMOS bi-directional current mode differential link with precompensa...
- Patent number 6,304,106
- Issue date Oct 16, 2001
- International Business Machines Corporation
- Delbert Raymond Cecchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fast one out of many differential multiplexer
- Patent number 4,833,421
- Issue date May 23, 1989
- International Business Machines Corporation
- Charles W. Hanson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Disk drive head retract and motor braking method and apparatus
- Patent number 4,831,469
- Issue date May 16, 1989
- International Business Machines Corporation
- Charles C. Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Flexible disk file access mechanism
- Patent number 4,092,681
- Issue date May 30, 1978
- International Business Machines Corporation
- Gary Lee Dix
- G11 - INFORMATION STORAGE
Information Patent Grant
Counter resetting circuitry for magnetic disk system
- Patent number 3,956,766
- Issue date May 11, 1976
- International Business Machines Corporation
- Charles Christian Hanson
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Impedance enhancement circuit for CMOS low-voltage current source
- Publication number 20030201762
- Publication date Oct 30, 2003
- International Business Machines Corporation
- Charles C. Hanson
- G05 - CONTROLLING REGULATING
Information Patent Application
CMOS DUAL-STAGE DIFFERENTIAL RECEIVER-AMPLIFIER
- Publication number 20030151460
- Publication date Aug 14, 2003
- International Business Machines Corporation
- Charles C. Hanson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CMOS receiver for simultaneous bi-directional links
- Publication number 20030123570
- Publication date Jul 3, 2003
- International Business Machines Corporation
- Delbert Raymond Cecchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Charles W. Hanson

Person

Patents Grantslast 30 patents

CMOS receiver for simultaneous bi-directional links

Impedance enhancement circuit for CMOS low-voltage current source

CMOS dual-stage differential receiver-amplifer

Center tap level control for current mode differential driver

Active trim circuit for CMOS on-chip resistors

Echo cancellation circuit for a Bi-directional current mode link

CMOS bi-directional current mode differential link with precompensa...

Fast one out of many differential multiplexer

Disk drive head retract and motor braking method and apparatus

Flexible disk file access mechanism

Counter resetting circuitry for magnetic disk system

Patents Applicationslast 30 patents

Impedance enhancement circuit for CMOS low-voltage current source

CMOS DUAL-STAGE DIFFERENTIAL RECEIVER-AMPLIFIER

CMOS receiver for simultaneous bi-directional links