Patent Assignment
Reel/Frame 022714/0574
Release of Security Interest
Recorded: 2009-05-15
Pages: 8
Assignor
TEKTRONIX, INC.
Executed: 2009-04-20
Assignees
GRASS VALLEY (U.S.) INC.
400 PROVIDENCE MINE ROAD, NEVADA CITY, CALIFORNIA, 95959
THOMSON LICENSING
46 QUAI A. LE GALLO, F-92100 BOULOGNE-BILLANCOURT, FRANCE
Covered Properties
(130)
Method of Encoded Video Decoding
Patent:
5,012,329 →
Application:
07/300,453 →
Digital Memory Delay Line for a Video Border Generator
Patent:
4,961,114 →
Application:
07/328,923 →
Recursive Video Blur Effect
Patent:
4,951,144 →
Application:
07/337,230 →
Adaptive Architecture for Video Effects
Patent:
4,947,256 →
Application:
07/344,189 →
Layered Mix Effects Switcher Architecture
Patent:
4,947,254 →
Application:
07/345,057 →
Graphics Path Prediction Display
Patent:
5,053,760 →
Application:
07/380,344 →
Self Keyer with Pre-Emphasized Fill Video
Patent:
5,146,333 →
Application:
07/418,353 →
Non-Linear Keyer
Patent:
4,967,277 →
Application:
07/418,354 →
Single Channel Video Push Effect
Patent:
5,023,720 →
Application:
07/428,578 →
Adaptive Rounder for Video Signals
Patent:
4,965,668 →
Application:
07/433,882 →
Digital Video Mixer
Patent:
5,041,998 →
Application:
07/444,582 →
Special Effects Using Polar Image Coordinates
Patent:
5,051,734 →
Application:
07/463,702 →
Television Signal Encoder/Decoder Configuration Control
Patent:
5,051,827 →
Application:
07/471,561 →
Video Signal Selection Means for Transmitting Signal and Key Information Over a Signal Channel
Patent:
5,031,043 →
Application:
07/489,291 →
Video Preview System for Allowing Multiple Outputs to Be Viewed Simultaneously on the Same Monitor
Patent:
5,189,516 →
Application:
07/513,527 →
Keyer with Variable Shaping
Patent:
5,051,828 →
Application:
07/515,920 →
Video Encoding Using Adaptive Filters and Variable Threshold
Patent:
5,097,322 →
Application:
07/570,232 →
Variable Chrominance Filtering for Encoding Television Signals
Patent:
5,150,203 →
Application:
07/633,821 →
Video Switcher with Preview System
Patent:
5,166,797 →
Application:
07/633,837 →
Television Signal Decoder with Improved Architecture
Patent:
5,136,368 →
Application:
07/645,375 →
Nrz Clock and Data Recovery System Employing Phase Lock Loop
Patent:
5,164,966 →
Application:
07/665,861 →
Apparatus and Method for Combining Video Signals to Provide an Output Signal with Full Field Coverage
Patent:
5,157,494 →
Application:
07/677,080 →
Video Image Mapping System
Patent:
5,173,948 →
Application:
07/677,548 →
Level Independent Automatic Cable Equalizer
Patent:
5,124,673 →
Application:
07/691,898 →
Clock Generation Circuit for Multistandard Serial Digital Video with with Automatic Format Identification
Patent:
5,111,160 →
Application:
07/693,829 →
Format Converter Architecture
Patent:
5,200,749 →
Application:
07/706,462 →
Single Loop Analog-to-Digital Conversion and Video Clamping Circuit Compatible with Automated Diagnostics
Patent:
5,270,819 →
Application:
07/736,982 →
Interpolating Digital Signal Clipping Circuit and Composite Video Clipping Circuit Utilizing Same
Patent:
5,233,410 →
Application:
07/745,301 →
Recursive Video Hue Rotations to Obtain a Raianbow-Like Decaying After -Image
Patent:
5,153,711 →
Application:
07/760,669 →
Appartus for Grounding Connectors to Instrument Chassis
Patent:
5,192,216 →
Application:
07/789,492 →
Chroma Key Method and Apparatus
Patent:
5,249,039 →
Application:
07/793,982 →
Adaptive Control Signal Generator for an Adaptive Luminance/ Chrominance Separator
Patent:
5,231,478 →
Application:
07/813,537 →
Localized Image Compression Calculation Method and Apparatus to Control Anti-Aliasing Filtering in 3-D Manipulation of 2-D Video Images
Patent:
5,561,723 →
Application:
07/848,610 →
Switching Apparatus for Digital Signals
Patent:
5,440,591 →
Application:
07/866,703 →
Circuit for Driving a Transmission Line
Patent:
5,331,206 →
Application:
07/877,000 →
Chroma Keyer with Secondary Hue Selector
Patent:
5,251,016 →
Application:
07/880,861 →
Crosstalk Reduction Circuit for Crosspoint Matrix
Patent:
5,287,066 →
Application:
07/883,508 →
Method of and Apparatus for Processing a Shaped Video Signal to Add a Simulated Shadow
Patent:
5,327,177 →
Application:
07/887,966 →
Control Panel with Emi Screen
Patent:
5,295,046 →
Application:
07/897,125 →
Depth Signal Processing in a Video Switcher
Patent:
5,285,283 →
Application:
07/904,404 →
Crosspoint Matrix
Patent:
5,355,370 →
Application:
07/909,108 →
Method and Apparatus for Adding Texturing Highlights to a Video Signal
Patent:
36,750 →
Application:
07/920,062 →
Depth-Based Recursive Video Effects
Patent:
5,280,357 →
Application:
07/960,050 →
Depth-Based Video Combining
Patent:
5,280,337 →
Application:
07/960,325 →
Sampling Rate Conversion Using Polyphase Filters with Interpolation
Patent:
5,274,372 →
Application:
07/965,813 →
Inverse Hyperbolic Comb Filter
Patent:
5,270,803 →
Application:
07/966,635 →
Pattern Generation Using Wipe Solid Generator
Patent:
5,283,652 →
Application:
07/968,658 →
Controllable Pseudo Random Noise Pattern Generator for Use in Video Special Effects
Patent:
5,235,423 →
Application:
07/973,590 →
Progressive Scan Architecture for Video Special Effects
Patent:
5,289,305 →
Application:
08/015,242 →
Non-Linear Slew Rate Limiter
Patent:
5,351,031 →
Application:
08/017,928 →
Non-Additive Video Mixer
Patent:
5,850,267 →
Application:
08/029,343 →
Simple Compositing System Which Processes One Frame of Each Sequence of Frames in Turn and Combines Them in Parallel to Create the Final Composite Sequence
Patent:
5,315,390 →
Application:
08/042,223 →
Method and Apparatus for Generating a Wipe Solid
Patent:
5,905,539 →
Application:
08/065,786 →
Chroma Keyer with Fringe Control Offset
Patent:
5,313,304 →
Application:
08/080,162 →
Synchronization of Digital Audio with Digital Video
Patent:
5,351,092 →
Application:
08/096,356 →
Method of Producing a Composited Video Image Based on Depth
Patent:
5,408,272 →
Application:
08/165,790 →
Digital Decoding of Biphase-Mark Encoded Serial Digital Signals
Patent:
5,465,268 →
Application:
08/181,512 →
Spiral Buffer for Non-Linear Editing
Patent:
5,465,120 →
Application:
08/192,896 →
Chroma Keyer with Correction for Background Defects
Patent:
5,400,081 →
Application:
08/196,737 →
Printed Circuit Board Assembly
Patent:
5,430,615 →
Application:
08/203,738 →
Recording of Time Code in a Database
Patent:
6,044,197 →
Application:
08/209,283 →
Self Keyer with Background Gap Fill
Patent:
5,386,242 →
Application:
08/209,764 →
Programmable Video Transformation Rendering Method and Apparatus
Patent:
5,448,301 →
Application:
08/248,794 →
Audio Frame Synchronization for Embedded Audio Demultiplexers
Patent:
5,483,538 →
Application:
08/248,795 →
Direct Synthesis of a Digital Audio Sample Clock
Patent:
5,528,308 →
Application:
08/251,442 →
Phase Locked Loop Chain for Locking Audio Sampling to Serial Digital Component Vide Timing
Patent:
5,506,627 →
Application:
08/257,973 →
Synchronizing Digital Video Inputs
Patent:
5,452,010 →
Application:
08/276,375 →
Motion Detector and Key Signal Interpolator Using Same
Patent:
5,668,609 →
Application:
08/303,242 →
Auto-Translating Recursive Effects Apparatus and Method
Patent:
5,448,302 →
Application:
08/337,909 →
Digital Video Clock Generation System
Patent:
5,534,939 →
Application:
08/352,641 →
Scrambling System for Serial Digital Video
Patent:
5,561,714 →
Application:
08/353,610 →
Composite Video Sub-Pixel Timing Adjustments Using Digital Resampling
Patent:
5,523,792 →
Application:
08/359,153 →
Number Format Conversion Apparatus for Signal Processing
Patent:
5,619,198 →
Application:
08/366,274 →
Digital Disk Recorder Using a Port Clock Having Parallel Tracks Along a Timeline with Each Track Representing an Independently Accessible Media Stream
Patent:
5,642,497 →
Application:
08/380,273 →
Graphical Display or Chroma Keyer Controls
Patent:
5,627,951 →
Application:
08/395,233 →
Cascaded Anti-Aliasing Filter Control for Sampled Images
Patent:
5,696,849 →
Application:
08/418,357 →
Block Matching for Picture Motion Estimation Using Offset Quantized Pixels
Patent:
5,612,746 →
Application:
08/419,561 →
Video Quality Improvement
Patent:
5,585,868 →
Application:
08/431,947 →
Block Matching for Picture Motion Estimation Using Gray Codes
Patent:
5,654,762 →
Application:
08/432,350 →
Method of Creating Video Efects by Use of Keyframes
Patent:
5,638,133 →
Application:
08/446,180 →
Disk-Based Digital Video Recorder
Patent:
5,574,662 →
Application:
08/457,895 →
Fractional Pixel Motion Estimation of Video Signals
Patent:
5,623,313 →
Application:
08/532,325 →
Motion Vector Using a Transform Function Identificaton Signal
Patent:
5,699,120 →
Application:
08/542,963 →
Motion Estimation Using Limited-Time Early Exit with Prequalification Matrices and a Predicted Search Center
Patent:
5,682,209 →
Application:
08/556,481 →
Bit Rate Control Mechanism for Digital Image and Video Data Compression
Patent:
5,686,964 →
Application:
08/566,100 →
Pre-Oddification
Patent:
5,822,005 →
Application:
08/584,494 →
3-2 Pulldown Detector
Patent:
5,852,473 →
Application:
08/603,302 →
Dynamically Paged Non-Volatile Random Access Video Store
Patent:
5,719,988 →
Application:
08/604,267 →
Constant Luminance Corrector
Patent:
5,786,871 →
Application:
08/625,381 →
Automatic Editing of Recorded Video Elements Sychronized with a Script Text Read of Displayed
Patent:
5,801,685 →
Application:
08/629,034 →
Refinement of Block Motion Vectors to Achieve a Dense Motion Field
Patent:
5,748,247 →
Application:
08/629,421 →
Method and Apparatus for Video Signal Sharpening
Patent:
5,777,689 →
Application:
08/630,319 →
Chrominance Resampling for Color Images
Patent:
5,712,687 →
Application:
08/637,517 →
Synchronizing Digital Audio Signals
Patent:
5,822,326 →
Application:
08/644,560 →
Video Compression Enhancement
Patent:
5,793,426 →
Application:
08/669,064 →
Deinterlacing of Video Using a Variable Coefficient Spatio-Temporal Filter
Patent:
5,793,435 →
Application:
08/670,041 →
Reverse Playback of Mpeg Video
Patent:
5,739,862 →
Application:
08/774,291 →
Synchronous Switching of Digital Audio While Maintaining Block Alignment
Patent:
5,923,710 →
Application:
08/795,213 →
Method for Predicting What Video Data Should Be in a Cache Which Is in a Disk-Based Digital Video Recorder
Patent:
5,754,730 →
Application:
08/826,742 →
Input Expansion for Crosspoint Switch Module
Patent:
5,870,028 →
Application:
08/829,550 →
Video Effects Using a Video Record/Playback Device
Patent:
5,867,229 →
Application:
08/834,615 →
Digital Audio Frame and Block Synchonization
Patent:
5,859,549 →
Application:
08/874,527 →
Integrated Hot Spot Detector for Design, Analysis, and Control
Patent:
5,902,044 →
Application:
08/883,911 →
Real-Time Video Production Using Recursive Techniques
Patent:
5,986,717 →
Application:
08/883,991 →
Disk-Based Digital Video Recorder
Patent:
6,289,172 →
Application:
08/885,074 →
Distributing Video Buffer Rate Control Over a Parallel Compression Architecture
Patent:
5,949,490 →
Application:
08/889,561 →
Low Jitter Digital Extraction of Data from Serial Bitstreams
Patent:
6,249,555 →
Application:
08/893,586 →
Switcher Using Shared Decompression Processors for Processing Both Broadband and Compressed Video Data
Patent:
5,943,508 →
Application:
08/901,042 →
Switching Reference Generation Using a Scanning Sync Separator
Patent:
6,130,725 →
Application:
08/924,752 →
Source Relative Warping Corner Pinning
Patent:
6,034,696 →
Application:
08/928,591 →
Bit Rate Control Mechanism for Digital Image and Video Data Compression
Patent:
5,995,151 →
Application:
08/932,681 →
System of Switching Video of Two Different Standards
Patent:
5,905,538 →
Application:
08/951,190 →
Method a Group of Picture Structure in Mpeg Video
Patent:
6,243,495 →
Application:
09/023,805 →
Bi-Directional Serial Video Port
Patent:
6,256,686 →
Application:
09/063,952 →
Digital Audio Receiver with Multi-Channel Swapping
Patent:
6,104,997 →
Application:
09/064,805 →
2-D Extended Image Generation from 3-D Data Extracted from a Video Sequence
Patent:
6,504,569 →
Application:
09/064,889 →
Histogram-Based Segmentation of Objects from a Video Signal via Color Moments
Patent:
6,526,169 →
Application:
09/270,233 →
Automation Protocol Subscription Service
Patent:
6,588,018 →
Application:
09/289,423 →
Kalman Tracking of Color Objects
Patent:
6,917,692 →
Application:
09/318,682 →
Histogram-Based Segmentation of Images and Video via Color Moments
Patent:
6,381,363 →
Application:
09/326,164 →
Graphical Source Identification Display
Patent:
6,549,190 →
Application:
09/339,358 →
Associative Management of Multimedia Assets and Associated Resources Using Multi-Domain Agent-Based Communication Between Heterogeneous Peers
Patent:
6,574,655 →
Application:
09/342,490 →
Concealing Temporal Shift When Using a Digital Video Effect System with a Video Switcher
Patent:
6,259,488 →
Application:
09/360,804 →
Transmission of Wideband Chroma Signals
Patent:
6,429,900 →
Application:
09/364,371 →
Effects Recall Between Mix/Effects Banks
Patent:
6,437,831 →
Application:
09/364,372 →
Key Priority for a Mix/Effect Bank Having Multiple Keyers
Patent:
6,421,095 →
Application:
09/364,554 →
Linking External Devices to Switcher Transitions
Patent:
6,831,704 →
Application:
09/365,282 →
Mix/Effect Status Display
Patent:
6,597,376 →
Application:
09/365,330 →
Mix-Effect Bank with Multiple Programmable Outputs
Patent:
6,281,941 →
Application:
09/365,332 →
Architecture for Multi-Format Video Processing
Patent:
6,480,545 →
Application:
09/372,447 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
May 25, 1990
From: ABT, JOHN; BANNISTER, RICHARD S.
To: GRASS VALLEY GROUP, INC., A CORP. OF CA
Reel/Frame 005319/0783 →
Assignment of Assignors Interest.
May 25, 1990
From: WOOD, DAVID G. S.; BALDASSARI, MARK
To: GRASS VALLEY GROUP, INC., A CORP. OF CA
Reel/Frame 005319/0840 →
Assignment of Assignors Interest.
Jun 5, 1990
From: DES JARDINS, PHILIP A.
To: GRASS VALLEY GROUP, INC., THE
Reel/Frame 005337/0640 →
Assignment of Assignors Interest.
Jul 13, 1990
From: WHITE, CHARLES
To: GRASS VALLEY GROUP, INC., THE,
Reel/Frame 005370/0097 →
Assignment of Assignors Interest.
Jul 23, 1990
From: ABT, JOHN; DELWICHE, JAMES A.
To: GRASS VALLEY GROUP, INC., THE, A CA CORP.
Reel/Frame 005379/0308 →
Assignment of Assignors Interest.
Aug 6, 1990
From: CHAPLIN, DANIEL J.
To: TEKTRONIX, INC., A CORP. OF OR
Reel/Frame 005397/0800 →
Assignment of Assignors Interest.
Feb 8, 1991
From: FAIRHURST, JON
To: GRASS VALLEY GROUP, INC., THE, A CORP. OF CA
Reel/Frame 005593/0720 →
Assignment of Assignors Interest.
Feb 8, 1991
From: LANG, STUART E.
To: DUBNER COMPUTER SYSTEMS, INC., A CORP. OF DE
Reel/Frame 005593/0717 →
Assignment of Assignors Interest.
Mar 28, 1991
From: JARDINS, PHILIP D.
To: GRASS VALLEY GROUP, INC., THE
Reel/Frame 005648/0332 →
Assignment of Assignors Interest.
Apr 8, 1991
From: ROCCO, ALFRED J.; MILAM, THOMAS T.
To: GRASS VALLEY GROUP, INC., THE, A CORP. OF CALIFORNIA
Reel/Frame 005657/0977 →
Assignment of Assignors Interest.
May 23, 1991
From: LAWRENCE, FRANK; BLACKHAM, RAYMOND
To: GRASS VALLEY GROUP, INC., THE
Reel/Frame 005707/0756 →
Assignment of Assignors Interest.
Jun 6, 1991
From: CHAPLIN, DANIEL J.
To: TEKTRONIX, INC., A CORP. OF OR.
Reel/Frame 005719/0966 →
Assignment of Assignors Interest.
Jul 1, 1991
From: LAKE, DAVID E., JR.
To: GRASS VALLEY GROUP, INC., THE
Reel/Frame 005756/0631 →
Assignment of Assignors Interest.
Jul 1, 1991
From: FRASIER, RICHARD A.; WITEK, F. ANDREW; HOARD, CHARLES Q.; OLMSTEAD, NEIL R.
To: GRASS VALLEY GROUP, INC., THE
Reel/Frame 005756/0626 →
Assignment of Assignors Interest.
Jul 1, 1991
From: FAIRHURST, JON
To: GRASS VALLEY GROUP, INC., THE, A CORP. OF CA
Reel/Frame 005751/0601 →
Assignment of Assignors Interest.
Jul 1, 1991
From: CHAPLIN, DANIEL J.
To: GRASS VALLEY GROUP, INC.
Reel/Frame 005756/0623 →
Assignment of Assignors Interest.
Oct 15, 1991
From: FAIRHURST, JON A.
To: GRASS VALLEY GROUP, INC. THE
Reel/Frame 005870/0457 →
Assignment of Assignors Interest.
Jan 27, 1992
From: HERSHBERGER, DAVID L.
To: GRASS VALLEY GROUP, INC., THE
Reel/Frame 005988/0935 →
Assignment of Assignors Interest.
Feb 10, 1992
From: TEKTRONIX, INC., AN OR CORP.
To: GRASS VALLEY GROUP, INC., THE
Reel/Frame 006041/0435 →
Assignment of Assignors Interest.
Feb 24, 1992
From: HERSHBERGER, DAVID L.
To: GRASS VALLEY GROUP, INC.
Reel/Frame 006021/0849 →
Assignment of Assignors Interest.
Apr 20, 1992
From: FAIRHURST, JON
To: GRASS VALLEY GROUP, INC., THE A CA CORPORATION
Reel/Frame 006083/0532 →
Assignment of Assignors Interest.
Jun 15, 1992
From: FAIRHURST, JON A.
To: GRASS VALLEY GROUP, INC., THE
Reel/Frame 006146/0924 →
Assignment of Assignors Interest.
Jul 6, 1992
From: CHAPLIN, DANIEL J.
To: GRASS VALLEY GROUP, INC., A CORP. OF CA
Reel/Frame 006182/0222 →
Assignment of Assignors Interest.
Aug 6, 1992
From: ANGELL, RICHARD B.
To: GRASS VALLEY GROUP, IN., THE A CORP. OF CALIFORNIA
Reel/Frame 006208/0812 →
Assignment of Assignors Interest.
Aug 10, 1992
From: HERSHBERGER, DAVID L.
To: GRASS VALLEY GROUP, INC., THE, A CORPORATION OF CA
Reel/Frame 006232/0121 →