Gopal K. Srivastava

Person

Mt. Prospect, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of accessing a repetitively transmitted video program
- Patent number 5,847,750
- Issue date Dec 8, 1998
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Demodulating a line locked digital color television signal
- Patent number 5,359,368
- Issue date Oct 25, 1994
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video white signal compression and peaking
- Patent number 5,299,000
- Issue date Mar 29, 1994
- Zenith Electronics Corp.
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for equalizing phosphor aging in CRT, subject to different a...
- Patent number 5,291,295
- Issue date Mar 1, 1994
- Zenith Electronics Corp.
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive scan control having horizontal scan locked clock system
- Patent number 5,247,229
- Issue date Sep 21, 1993
- Zenith Electronics Corporation
- Duc Ngo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video processor having automatic chrominance control compensation
- Patent number 5,223,920
- Issue date Jun 29, 1993
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video processor having reduced capacity luminance delay circuit
- Patent number 5,212,543
- Issue date May 18, 1993
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable speed phase locked loop
- Patent number 5,200,712
- Issue date Apr 6, 1993
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency multiplexed digital video processor
- Patent number 5,194,940
- Issue date Mar 16, 1993
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic video peaking system
- Patent number 5,187,567
- Issue date Feb 16, 1993
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video processor having improved clamping system for color televisio...
- Patent number 5,187,568
- Issue date Feb 16, 1993
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for phase locking an oscillator within any one of a plurali...
- Patent number 5,184,091
- Issue date Feb 2, 1993
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error amplifier for multiple frequency oscillator control
- Patent number 5,168,246
- Issue date Dec 1, 1992
- Zenith Electronics Corporation
- Kishan R. Pulluru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sequential scan system changes for multiple frequency range oscilla...
- Patent number 5,126,639
- Issue date Jun 30, 1992
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lock detector and confidence system for multiple frequency range os...
- Patent number 5,124,671
- Issue date Jun 23, 1992
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PLL including static phase error responsive oscillator control
- Patent number 5,121,086
- Issue date Jun 9, 1992
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sync pulse separator system
- Patent number 4,812,907
- Issue date Mar 14, 1989
- Zenith Electronics Corporation
- Roger C. Hathaway
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Horizontal phase locked loop system
- Patent number 4,764,810
- Issue date Aug 16, 1988
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integratable color correction circuit
- Patent number 4,754,321
- Issue date Jun 28, 1988
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mode recognition for vertical countdown
- Patent number 4,729,023
- Issue date Mar 1, 1988
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Beam current compensation for vertical size in a digital TV
- Patent number 4,651,062
- Issue date Mar 17, 1987
- Zenith Electronics Corporation
- Stephen H. Lai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital sync separator and differentiator
- Patent number 4,621,289
- Issue date Nov 4, 1986
- Zenith Electronics Corporation
- Stan Bart
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auto range horizontal automatic phase control
- Patent number 4,611,229
- Issue date Sep 9, 1986
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vertical picture centering circuit
- Patent number 4,607,283
- Issue date Aug 19, 1986
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Horizontal picture centering
- Patent number 4,591,910
- Issue date May 27, 1986
- Zenith Electronics Corporation
- Stephen H. Lai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auto tuning for an oscillator
- Patent number 4,567,447
- Issue date Jan 28, 1986
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Biased current mirror having minimum switching delay
- Patent number 4,525,682
- Issue date Jun 25, 1985
- Zenith Electronics Corporation
- Stephen H. Lai
- G05 - CONTROLLING REGULATING
Information Patent Grant
Self-gated AGC detector
- Patent number 4,507,682
- Issue date Mar 26, 1985
- Zenith Electronics Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Odd number frequency division with symmetrical output
- Patent number 4,399,549
- Issue date Aug 16, 1983
- Zenith Radio Corporation
- Gopal K. Srivastava
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vertical drive generator and horizontal rate gate generator for a t...
- Patent number 4,360,825
- Issue date Nov 23, 1982
- Zenith Radio Corporation
- Gopal K. Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Gopal K. Srivastava

Person

Patents Grantslast 30 patents

Method of accessing a repetitively transmitted video program

Demodulating a line locked digital color television signal

Video white signal compression and peaking

System for equalizing phosphor aging in CRT, subject to different a...

Adaptive scan control having horizontal scan locked clock system

Video processor having automatic chrominance control compensation

Video processor having reduced capacity luminance delay circuit

Variable speed phase locked loop

Frequency multiplexed digital video processor

Automatic video peaking system

Video processor having improved clamping system for color televisio...

Circuit for phase locking an oscillator within any one of a plurali...

Error amplifier for multiple frequency oscillator control

Sequential scan system changes for multiple frequency range oscilla...

Lock detector and confidence system for multiple frequency range os...

PLL including static phase error responsive oscillator control

Sync pulse separator system

Horizontal phase locked loop system

Integratable color correction circuit

Mode recognition for vertical countdown

Beam current compensation for vertical size in a digital TV

Digital sync separator and differentiator

Auto range horizontal automatic phase control

Vertical picture centering circuit

Horizontal picture centering

Auto tuning for an oscillator

Biased current mirror having minimum switching delay

Self-gated AGC detector

Odd number frequency division with symmetrical output

Vertical drive generator and horizontal rate gate generator for a t...