John O. Abt

Person

Grass Valley, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Synchronized transmission of audio and video data from a computer t...
- Patent number 8,838,825
- Issue date Sep 16, 2014
- Apple Inc.
- Giovanni M. Agnoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronized transmission of audio and video data from a computer t...
- Patent number 7,970,926
- Issue date Jun 28, 2011
- Apple Inc.
- Giovanni M. Agnoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synthesis of vertical blanking signal
- Patent number 7,668,099
- Issue date Feb 23, 2010
- Apple Inc.
- Giovanni M. Agnoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronized transmission of audio and video data from a computer t...
- Patent number 7,353,284
- Issue date Apr 1, 2008
- Apple Inc.
- Giovanni M. Agnoli
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-additive video mixer
- Patent number 5,850,267
- Issue date Dec 15, 1998
- Tektronix, Inc.
- John Abt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of creating video effects by use of keyframes
- Patent number 5,638,133
- Issue date Jun 10, 1997
- Tektronix, Inc,
- James V. Squier
- G11 - INFORMATION STORAGE
Information Patent Grant
Controllable pseudo random noise pattern generator for use in video...
- Patent number 5,235,423
- Issue date Aug 10, 1993
- The Grass Valley Group, Inc.
- Brion L. Dunbar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive rounder for video signals
- Patent number 4,965,668
- Issue date Oct 23, 1990
- The Grass Valley Group, Inc.
- John Abt
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus for generating a video signal representing a field of spa...
- Patent number 4,963,977
- Issue date Oct 16, 1990
- The Grass Valley Group, Inc.
- Richard A. Jackson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Layered mix effects switcher architecture
- Patent number 4,947,254
- Issue date Aug 7, 1990
- The Grass Valley Group, Inc.
- John Abt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital video effects apparatus
- Patent number 4,873,568
- Issue date Oct 10, 1989
- The Grass Valley Group, Inc.
- Richard A. Jackson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video switcher system with modular architecture
- Patent number 4,858,011
- Issue date Aug 15, 1989
- Richard A. Jackson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video switcher with independent processing of selected video signals
- Patent number 4,853,784
- Issue date Aug 1, 1989
- The Grass Valley Group, Inc.
- John Abt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video mixer with multicolor boarder
- Patent number 4,823,183
- Issue date Apr 18, 1989
- The Grass Valley Group, Inc.
- Richard A. Jackson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diagnostic system for a digital signal processor
- Patent number 4,821,269
- Issue date Apr 11, 1989
- The Grass Valley Group, Inc.
- Richard A. Jackson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital wipe generator
- Patent number 4,805,022
- Issue date Feb 14, 1989
- The Grass Valley Group, Inc.
- John Abt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interpolator for television special effects system
- Patent number 4,700,232
- Issue date Oct 13, 1987
- Grass Valley Group, Inc.
- John Abt
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
INTERFACE FOR SENDING SYNCHRONIZED AUDIO AND VIDEO DATA
- Publication number 20160337674
- Publication date Nov 17, 2016
- Apple Inc.
- Giovanni M. Agnoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYNCHRONIZED TRANSMISSION OF AUDIO AND VIDEO DATA FROM A COMPUTER T...
- Publication number 20110258675
- Publication date Oct 20, 2011
- APPLE COMPUTER, INC.
- Giovanni M. Agnoli
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Synchronized transmission of audio and video data from a computer t...
- Publication number 20080250469
- Publication date Oct 9, 2008
- Apple Inc.
- Giovanni M. Agnoli
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Synchronized transmission of audio and video data from a computer t...
- Publication number 20040255339
- Publication date Dec 16, 2004
- APPLE COMPUTER, INC.
- Giovanni M. Agnoli
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Synthesis of vertical blanking signal
- Publication number 20040252231
- Publication date Dec 16, 2004
- APPLE COMPUTER, INC.
- Giovanni M. Agnoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Interface for sending synchronized audio and video data
- Publication number 20040255338
- Publication date Dec 16, 2004
- APPLE COMPUTER, INC.
- Giovanni M. Agnoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

John O. Abt

Person

Patents Grantslast 30 patents

Synchronized transmission of audio and video data from a computer t...

Synchronized transmission of audio and video data from a computer t...

Synthesis of vertical blanking signal

Synchronized transmission of audio and video data from a computer t...

Non-additive video mixer

Method of creating video effects by use of keyframes

Controllable pseudo random noise pattern generator for use in video...

Adaptive rounder for video signals

Apparatus for generating a video signal representing a field of spa...

Layered mix effects switcher architecture

Digital video effects apparatus

Video switcher system with modular architecture

Video switcher with independent processing of selected video signals

Video mixer with multicolor boarder

Diagnostic system for a digital signal processor

Digital wipe generator

Interpolator for television special effects system

Patents Applicationslast 30 patents

INTERFACE FOR SENDING SYNCHRONIZED AUDIO AND VIDEO DATA

SYNCHRONIZED TRANSMISSION OF AUDIO AND VIDEO DATA FROM A COMPUTER T...

Synchronized transmission of audio and video data from a computer t...

Synchronized transmission of audio and video data from a computer t...

Synthesis of vertical blanking signal

Interface for sending synchronized audio and video data