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The Grass Valley Group, Inc.
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Nevada City, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Routing switcher with variable input/output architecture
Patent number
7,013,361
Issue date
Mar 14, 2006
Grass Valley Group Inc.
John E. Liron
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modular equipment frame and modules
Patent number
6,411,520
Issue date
Jun 25, 2002
Grass Valley Group
Michael T. Hauke
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Digital audio receiver with multi-channel swapping
Patent number
6,104,997
Issue date
Aug 15, 2000
Grass Valley Group
Kevin J. Shuholm
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for adding texturing highlights to a video signal
Patent number
RE36750
Issue date
Jun 27, 2000
The Grass Valley Group, Inc.
David E. Lake
358 - Facsimile and static presentation processing
Information
Patent Grant
Direct synthesis of a digital audio sample clock
Patent number
5,528,308
Issue date
Jun 18, 1996
The Grass Valley Group, Inc.
Carl Alelyunas
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Analog-to-digital converter with offset reduction loop
Patent number
5,523,756
Issue date
Jun 4, 1996
The Grass Valley Group, Inc.
Stephen D. Mariuz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Video editing operator interface for aligning timelines
Patent number
5,519,828
Issue date
May 21, 1996
The Grass Valley Group Inc.
Bruce L. Rayner
G11 - INFORMATION STORAGE
Information
Patent Grant
Audio frame synchronization for embedded audio demultiplexers
Patent number
5,483,538
Issue date
Jan 9, 1996
The Grass Valley Group, Inc.
Joe L. Rainbolt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital decoding of biphase-mark encoded serial digital signals
Patent number
5,465,268
Issue date
Nov 7, 1995
The Grass Valley Group, Inc.
Joe L. Rainbolt
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Spiral buffer for non-linear editing
Patent number
5,465,120
Issue date
Nov 7, 1995
The Grass Valley Group, Inc.
John C. Schultheiss
G11 - INFORMATION STORAGE
Information
Patent Grant
Programmable video transformation rendering method and apparatus
Patent number
5,448,301
Issue date
Sep 5, 1995
The Grass Valley Group, Inc.
James A. Michener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Auto-translating recursive effects apparatus and method
Patent number
5,448,302
Issue date
Sep 5, 1995
The Grass Valley Group, Inc.
Philip DesJardins
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Switching apparatus for digital signals
Patent number
5,440,591
Issue date
Aug 8, 1995
The Grass Valley Group, Inc.
John E. Liron
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Printed circuit board assembly
Patent number
5,430,615
Issue date
Jul 4, 1995
The Grass Valley Group, Inc.
Brent Keeth
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing a composited video image based on depth
Patent number
5,408,272
Issue date
Apr 18, 1995
The Grass Valley Group, Inc.
Ronnie D. Barnett
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Chroma keyer with correction for background defects
Patent number
5,400,081
Issue date
Mar 21, 1995
The Grass Valley Group, Inc.
Daniel J. Chaplin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video editing system operator inter-face for visualization and inte...
Patent number
5,388,197
Issue date
Feb 7, 1995
The Grass Valley Group, Inc.
Bruce L. Rayner
G11 - INFORMATION STORAGE
Information
Patent Grant
Self keyer with background gap fill
Patent number
5,386,242
Issue date
Jan 31, 1995
The Grass Valley Group, Inc.
Daniel J. Chaplin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Crosspoint matrix
Patent number
5,355,370
Issue date
Oct 11, 1994
The Grass Valley Group, Inc.
Jon A. Fairhurst
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Non-linear slew rate limiter
Patent number
5,351,031
Issue date
Sep 27, 1994
The Grass Valley Group, Inc.
Michael J. Henderson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Synchronization of digital audio with digital video
Patent number
5,351,092
Issue date
Sep 27, 1994
The Grass Valley Group, Inc.
Michael Poimboeuf
G11 - INFORMATION STORAGE
Information
Patent Grant
Controller for a video editing system
Patent number
D349290
Issue date
Aug 2, 1994
The Grass Valley Group, Inc.
Donald R. Christensen
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Circuit for driving a transmission line
Patent number
5,331,206
Issue date
Jul 19, 1994
The Grass Valley Group, Inc.
John E. Liron
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of and apparatus for processing a shaped video signal to add...
Patent number
5,327,177
Issue date
Jul 5, 1994
The Grass Valley Group, Inc.
Philip DesJardins
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Simple compositing system which processes one frame of each sequenc...
Patent number
5,315,390
Issue date
May 24, 1994
The Grass Valley Group, Inc.
Kevin D. Windrem
G11 - INFORMATION STORAGE
Information
Patent Grant
Chroma keyer with fringe control offset
Patent number
5,313,304
Issue date
May 17, 1994
The Grass Valley, Group, Inc.
Daniel J. Chaplin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control panel with EMI screen
Patent number
5,295,046
Issue date
Mar 15, 1994
The Grass Valley Group, Inc.
Steven K. Knauber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Progressive scan architecture for video special effects
Patent number
5,289,305
Issue date
Feb 22, 1994
The Grass Valley Group, Inc.
David E. Lake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Depth signal processing in a video switcher
Patent number
5,285,283
Issue date
Feb 8, 1994
The Grass Valley Group, Inc.
Jon A. Fairhurst
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pattern generation using wipe solid generator
Patent number
5,283,652
Issue date
Feb 1, 1994
The Grass Valley Group, Inc.
Jon A. Fairhurst
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
76100760 - DIGICASTERS
Serial number
76100760
Filing date
Jul 17, 2000
GRASS VALLEY GROUP
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75913125 - NETCENTRAL
Serial number
75913125
Registration number
2479445
Filing date
Feb 7, 2000
GRASS VALLEY GROUP
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75877052 - MEDIA WITHOUT BOUNDS
Serial number
75877052
Registration number
2598660
Filing date
Dec 20, 1999
GRASS VALLEY GROUP
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments