Douglas C. Smith

Person

Rumson, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electrostatic discharge protection for an electrical device
- Patent number 5,717,558
- Issue date Feb 10, 1998
- Lucent Technologies Inc.
- Dale Everett Lynn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for reducing ESD during thermal shock testing
- Patent number 5,646,813
- Issue date Jul 8, 1997
- Lucent Technologies Inc.
- Min-Chung Jon
- G01 - MEASURING TESTING
Information Patent Grant
Touch-screen arrangement
- Patent number 5,184,115
- Issue date Feb 2, 1993
- AT&T Bell Laboratories
- Edward P. Black
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Scheme for determining position of surface contact of cathode ray t...
- Patent number 5,119,075
- Issue date Jun 2, 1992
- AT&T Bell Laboratories
- Douglas C. Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for expanding the frequency range over which e...
- Patent number 4,978,907
- Issue date Dec 18, 1990
- AT&T Bell Laboratories
- Douglas C. Smith
- G01 - MEASURING TESTING
Information Patent Grant
Noise measurement probe
- Patent number 4,879,507
- Issue date Nov 7, 1989
- American Telephone and Telegraph Company
- Douglas C. Smith
- G01 - MEASURING TESTING
Information Patent Grant
Communication line transient protection
- Patent number 4,751,607
- Issue date Jun 14, 1988
- American Telephone and Telegraph Company
- Douglas C. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Resistive line feed circuit
- Patent number 4,736,415
- Issue date Apr 5, 1988
- American Telephone and Telegraph Company
- Bruce W. McNeill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Resistive line circuit
- Patent number 4,554,412
- Issue date Nov 19, 1985
- AT&T Information Systems Inc.
- Douglas C. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed time division multiplexing bus
- Patent number 4,475,191
- Issue date Oct 2, 1984
- AT&T Bell Laboratories
- Dennis B. James
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic gain and return loss compensating line circuit
- Patent number 4,132,863
- Issue date Jan 2, 1979
- Bell Telephone Laboratories, Incorporated
- Douglas C. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Monobus interface circuit using opto-coupled hybrids
- Patent number 4,045,615
- Issue date Aug 30, 1977
- Bell Telephone Laboratories, Incorporated
- Dennis Bryan James
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Path-finding scheme for a multistage switching network
- Patent number 4,004,103
- Issue date Jan 18, 1977
- Bell Telephone Laboratories, Incorporated
- Chao Kai Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone monobus conference arrangement
- Patent number 3,991,281
- Issue date Nov 9, 1976
- Bell Telephone Laboratories, Incorporated
- Douglas Charles Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Monobus interface circuit
- Patent number 3,991,279
- Issue date Nov 9, 1976
- Bell Telephone Laboratories, Incorporated
- Dennis James Morgan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Douglas C. Smith

Person

Patents Grantslast 30 patents

Electrostatic discharge protection for an electrical device

Method and apparatus for reducing ESD during thermal shock testing

Touch-screen arrangement

Scheme for determining position of surface contact of cathode ray t...

Apparatus and method for expanding the frequency range over which e...

Noise measurement probe

Communication line transient protection

Resistive line feed circuit

Resistive line circuit

Distributed time division multiplexing bus

Automatic gain and return loss compensating line circuit

Monobus interface circuit using opto-coupled hybrids

Path-finding scheme for a multistage switching network

Key telephone monobus conference arrangement

Monobus interface circuit