Tom L. Blackburn

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Small form factor digital voice multiplexer with multiple DSL outputs
- Patent number 7,023,877
- Issue date Apr 4, 2006
- GoDigital Networks Corporation
- Thomas L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage alternating switch circuit
- Patent number 6,567,522
- Issue date May 20, 2003
- GoDigital Telecommunications, Inc.
- Thomas L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing increased data speed using synch...
- Patent number 6,556,638
- Issue date Apr 29, 2003
- GoDigital Networks Corporation
- Thomas L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual 4-wire analog data multiplexer
- Patent number 5,691,718
- Issue date Nov 25, 1997
- Raychem Corporation
- Nicholas A. Balatoni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for locating faults in a carrier subscriber communication sy...
- Patent number 4,658,395
- Issue date Apr 14, 1987
- GTE Communication Systems Corporation
- Tom L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for locating faults in a carrier subscriber communication...
- Patent number 4,642,426
- Issue date Feb 10, 1987
- GTE Communication Systems Corporation
- Tom L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Repeater for carrier subscriber communication system
- Patent number 4,633,459
- Issue date Dec 30, 1986
- GTE Communication Systems Corporation
- Tom L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for controlling a plurality of current sources
- Patent number 4,591,855
- Issue date May 27, 1986
- GTE Communication Products Corporation
- Tom L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog subscriber carrier system repeater with automatic gain and s...
- Patent number 4,583,220
- Issue date Apr 15, 1986
- GTE Communication Systems Corporation
- Tom L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog subscriber carrier system terminal with automatic gain and s...
- Patent number 4,580,260
- Issue date Apr 1, 1986
- GTE Communication Systems Corporation
- Tom L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal detector apparatus
- Patent number 4,536,871
- Issue date Aug 20, 1985
- GTE Communications Products Corporation
- Tom L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Carrier subscriber telephone off-hook detector
- Patent number 4,439,634
- Issue date Mar 27, 1984
- GTE Automatic Electric Incorporated
- Tom L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variolosser for an automatic gain control circuit
- Patent number 4,405,903
- Issue date Sep 20, 1983
- GTE Automatic Electric Incorporated
- Tom L. Blackburn
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus of controlling bias voltage in regulating ampl...
- Patent number 4,205,275
- Issue date May 27, 1980
- GTE Automatic Electric Laboratories, Incorporated
- Tom L. Blackburn
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and method for remote testing of a loop transmission path
- Patent number 4,170,722
- Issue date Oct 9, 1979
- GTE Automatic Electric Laboratories, Incorporated
- Tom L. Blackburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Regulating amplifier
- Patent number 4,145,665
- Issue date Mar 20, 1979
- GTE Automatic Electric Laboratories, Inc.
- Otto G. Wisotzky
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transistor amplifier stage with selectively adjustable gain control...
- Patent number 4,048,576
- Issue date Sep 13, 1977
- GTE Automatic Electric Laboratories Incorporated
- Tom L. Blackburn
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resistive pad with bridging resistor
- Patent number 4,012,688
- Issue date Mar 15, 1977
- GTE Automatic Electric Laboratories Incorporated
- Tom L. Blackburn
- H03 - BASIC ELECTRONIC CIRCUITRY

Tom L. Blackburn

Person

Patents Grantslast 30 patents

Small form factor digital voice multiplexer with multiple DSL outputs

Voltage alternating switch circuit

Method and apparatus for providing increased data speed using synch...

Dual 4-wire analog data multiplexer

Method for locating faults in a carrier subscriber communication sy...

Apparatus for locating faults in a carrier subscriber communication...

Repeater for carrier subscriber communication system

Apparatus for controlling a plurality of current sources

Analog subscriber carrier system repeater with automatic gain and s...

Analog subscriber carrier system terminal with automatic gain and s...

Signal detector apparatus

Carrier subscriber telephone off-hook detector

Variolosser for an automatic gain control circuit

Method and apparatus of controlling bias voltage in regulating ampl...

Apparatus and method for remote testing of a loop transmission path

Regulating amplifier

Transistor amplifier stage with selectively adjustable gain control...

Resistive pad with bridging resistor