Jack R. Harford

Person

Flemington, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Surge protector with input transformer
- Patent number 7,184,252
- Issue date Feb 27, 2007
- Jack R. Harford
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Surge protector
- Patent number 7,068,487
- Issue date Jun 27, 2006
- Jack R. Harford
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Appliance adapted for power line communications
- Patent number 5,805,053
- Issue date Sep 8, 1998
- Elcom Technologies, Inc.
- Chandrakant Bhailalbhai Patel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power line communications system
- Patent number 5,712,614
- Issue date Jan 27, 1998
- Elcom Technologies Corporation
- Chandrakant Bhailalbhai Patel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power line communications system and coupling circuit for power lin...
- Patent number 5,705,974
- Issue date Jan 6, 1998
- Elcom Technologies Corporation
- Chandrakant Bhailalbhai Patel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color TV receiver using quadrature-phase synchronous detector for s...
- Patent number 5,526,062
- Issue date Jun 11, 1996
- Samsung Electronics, Co., Ltd.
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Controlled oscillator, as for synchyronous video detector
- Patent number 5,479,137
- Issue date Dec 26, 1995
- SamSung Electronics Co., Ltd.
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Color TV receiver using quadrature-phase synchronous detector for s...
- Patent number 5,457,500
- Issue date Oct 10, 1995
- Samsung Electronics Co., Ltd.
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reducing apparatus and methods for television receivers
- Patent number 5,446,500
- Issue date Aug 29, 1995
- Samsung Electronics Co., Ltd.
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reducing apparatus and methods for television receivers
- Patent number 5,369,445
- Issue date Nov 29, 1994
- Samsung Electronics Co., Ltd.
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Using D-C feedback with on-chip filtering to balance I-F drive to s...
- Patent number 5,365,279
- Issue date Nov 15, 1994
- SamSung Electronics Co., Ltd.
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video IF amplifier with auxiliary IF amplifier for intercarrier sou...
- Patent number 5,337,091
- Issue date Aug 9, 1994
- Samsung Electronics Co., Ltd.
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable gain amplifier
- Patent number 5,331,290
- Issue date Jul 19, 1994
- Samsung Electronics Co., Ltd.
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Parallel untuned video if amplifiers supplied signals from TV 1st d...
- Patent number 5,305,109
- Issue date Apr 19, 1994
- Samsung Electronics Co., Ltd.
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated circuit overload protection device
- Patent number 4,463,369
- Issue date Jul 31, 1984
- RCA
- Jack R. Harford
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Noise sensitivity reduction apparatus for a TV receiver AGC system
- Patent number 4,408,229
- Issue date Oct 4, 1983
- RCA Corporation
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AFT Lockout prevention system
- Patent number 4,388,649
- Issue date Jun 14, 1983
- RCA Corporation
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gain-controlled amplifier system
- Patent number 4,378,528
- Issue date Mar 29, 1983
- RCA Corporation
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Video signal recovery system
- Patent number 4,367,491
- Issue date Jan 4, 1983
- RCA Corporation
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Television intermediate frequency amplifier
- Patent number 4,366,443
- Issue date Dec 28, 1982
- RCA Corporation
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gain-controlled amplifier using a controllable alternating-current...
- Patent number 4,365,208
- Issue date Dec 21, 1982
- RCA Corporation
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable emitter degeneration gain-controlled amplifier
- Patent number 4,345,214
- Issue date Aug 17, 1982
- RCA Corporation
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gain-controlled amplifier utilizing variable emitter degeneration a...
- Patent number 4,344,044
- Issue date Aug 10, 1982
- RCA Corporation
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable load impedance gain-controlled amplifier
- Patent number 4,344,043
- Issue date Aug 10, 1982
- RCA Corporation
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Television intermediate frequency amplifier with feedback stabiliza...
- Patent number 4,342,005
- Issue date Jul 27, 1982
- RCA Corporation
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television automatic gain control system
- Patent number 4,329,713
- Issue date May 11, 1982
- RCA Corporation
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gain controlled amplifier using a pin diode
- Patent number 4,275,362
- Issue date Jun 23, 1981
- RCA Corporation
- Jack R. Harford
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Temperature compensating bias circuit
- Patent number 4,260,956
- Issue date Apr 7, 1981
- RCA Corporation
- Jack R. Harford
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Noise cancellation circuit
- Patent number 4,254,436
- Issue date Mar 3, 1981
- RCA Corporation
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal overload prevention circuit
- Patent number 4,237,490
- Issue date Dec 2, 1980
- RCA Corporation
- Jack R. Harford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Jack R. Harford

Person

Patents Grantslast 30 patents

Surge protector with input transformer

Surge protector

Appliance adapted for power line communications

Power line communications system

Power line communications system and coupling circuit for power lin...

Color TV receiver using quadrature-phase synchronous detector for s...

Controlled oscillator, as for synchyronous video detector

Color TV receiver using quadrature-phase synchronous detector for s...

Noise reducing apparatus and methods for television receivers

Noise reducing apparatus and methods for television receivers

Using D-C feedback with on-chip filtering to balance I-F drive to s...

Video IF amplifier with auxiliary IF amplifier for intercarrier sou...

Variable gain amplifier

Parallel untuned video if amplifiers supplied signals from TV 1st d...

Integrated circuit overload protection device

Noise sensitivity reduction apparatus for a TV receiver AGC system

AFT Lockout prevention system

Gain-controlled amplifier system

Video signal recovery system

Television intermediate frequency amplifier

Gain-controlled amplifier using a controllable alternating-current...

Variable emitter degeneration gain-controlled amplifier

Gain-controlled amplifier utilizing variable emitter degeneration a...

Variable load impedance gain-controlled amplifier

Television intermediate frequency amplifier with feedback stabiliza...

Television automatic gain control system

Gain controlled amplifier using a pin diode

Temperature compensating bias circuit

Noise cancellation circuit

Signal overload prevention circuit