Dirk Hughes-Hartogs

Person

Morgan Hill, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Adaptive expansion table in a digital telephone receiver
- Patent number 6,111,935
- Issue date Aug 29, 2000
- Canon Kabushiki Kaisha
- Dirk Hughes-Hartogs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN fax routing
- Patent number 5,854,829
- Issue date Dec 29, 1998
- Canon Kabushiki Kaisha
- Dirk Hughes-Hartogs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN fax routing
- Patent number 5,657,381
- Issue date Aug 12, 1997
- Canon Kabushiki Kaisha
- Dirk Hughes-Hartogs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital telephone overcoming international incompatibilities
- Patent number 5,652,782
- Issue date Jul 29, 1997
- Canon Inc.
- Dirk Hughes-Hartogs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission of analog and digital information across a single line
- Patent number 5,495,485
- Issue date Feb 27, 1996
- Canon Inc.
- Dirk Hughes-Hartogs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ensemble modem structure for imperfect transmission media
- Patent number 5,054,034
- Issue date Oct 1, 1991
- Telebit Corporation
- Dirk Hughes-Hartogs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ensemble modem structure for imperfect transmission media
- Patent number 4,833,706
- Issue date May 23, 1989
- Telebit Corporation
- Dirk Hughes-Hartogs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech and data multiplexor optimized for use over impaired and ban...
- Patent number 4,757,495
- Issue date Jul 12, 1988
- Telebit Corporation
- Dwight W. Decker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ensemble modem structure for imperfect transmission media
- Patent number 4,731,816
- Issue date Mar 15, 1988
- Telebit Corporation
- Dirk Hughes-Hartogs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ensemble modem structure for imperfect transmission media
- Patent number 4,679,227
- Issue date Jul 7, 1987
- Telebit Corporation
- Dirk Hughes-Hartogs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Dirk Hughes-Hartogs

Person

Patents Grantslast 30 patents

Adaptive expansion table in a digital telephone receiver

ISDN fax routing

ISDN fax routing

Digital telephone overcoming international incompatibilities

Transmission of analog and digital information across a single line

Ensemble modem structure for imperfect transmission media

Ensemble modem structure for imperfect transmission media

Speech and data multiplexor optimized for use over impaired and ban...

Ensemble modem structure for imperfect transmission media

Ensemble modem structure for imperfect transmission media