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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:010949/0305   Pages: 32
Recorded: 07/10/2000
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 44
1
Patent #:
Issue Dt:
10/27/1987
Application #:
06713478
Filing Dt:
03/19/1985
Title:
METHOD AND APPARATUS FOR MULTI-DIMENSIONAL SIGNAL PROCESSING USING A SHORT-SPACE FOURIER TRANSFORM
2
Patent #:
Issue Dt:
06/28/1988
Application #:
06740806
Filing Dt:
06/03/1985
Title:
METHOD AND SYSTEM FOR ADAPTING A DIGITIZED SIGNAL PROCESSING SYSTEM FOR BLOCK PROCESSING WITH MINIMAL BLOCKING ARTIFACTS
3
Patent #:
Issue Dt:
02/23/1988
Application #:
06740897
Filing Dt:
06/03/1985
Title:
A METHOD AND APPARATUS FOR EFFICIENTLY COMMUNICATING IMAGE SEQUENCE HAVING IMPROVED MOTION COMPENSATION
4
Patent #:
Issue Dt:
10/27/1987
Application #:
06740898
Filing Dt:
06/03/1985
Title:
METHOD AND APPARATUS FOR EFFICIENTLY COMMUNICATING IMAGE SEQUENCES
5
Patent #:
Issue Dt:
04/28/1987
Application #:
06740900
Filing Dt:
06/03/1985
Title:
METHOD AND APPARATUS FOR PROVIDING MOTION ESTIMATION SIGNALS FOR COMMUNICATING IMAGE SEQUENCES
6
Patent #:
Issue Dt:
03/28/1989
Application #:
07001326
Filing Dt:
01/07/1987
Title:
METHOD AND APPARATUS FOR EFFICIENTLY ENCODING AND DECODING IMAGE SEQUENCES
7
Patent #:
Issue Dt:
07/18/1989
Application #:
07057964
Filing Dt:
06/02/1987
Title:
HIERARCHICAL ENCODING METHOD AND APPARATUS FOR EFFICIENTLY COMMUNICATING IMAGE SEQUENCES
8
Patent #:
Issue Dt:
12/27/1988
Application #:
07175661
Filing Dt:
03/21/1988
Title:
METHOD AND APPARATUS EMPLOYING ADAPTIVE FILTERING FOR EFFICIENTLY COMMUNICATING IMAGE SEQUENCES
9
Patent #:
Issue Dt:
03/19/1991
Application #:
07289375
Filing Dt:
12/23/1988
Title:
METHOD AND APPARATUS EMPLOYING ADAPTIVE FILTERING FOR EFFICIENTLY COMMUNICATING IMAGE SEQUENCES
10
Patent #:
Issue Dt:
04/19/1994
Application #:
07659579
Filing Dt:
02/21/1991
Title:
HAVING MEANS FOR REDUCING OR ELIMINATING ECHO IN A PLURALITY OF SIGNAL BANDWIDTHS
11
Patent #:
Issue Dt:
10/13/1992
Application #:
07697973
Filing Dt:
05/10/1991
Title:
HIERARCHICAL ENCODING METHOD AND APPARATUS EMPLOYING BACKGROUND REFERENCES FOR EFFICIENTLY COMMUNICATING IMAGE SEQUENCES
12
Patent #:
Issue Dt:
09/22/1992
Application #:
07698396
Filing Dt:
05/10/1991
Title:
HIERARCHICAL ENTROPY CODED LATTICE THRESHOLD QUANTIZATION ENCODING METHOD AND APPARATUS FOR IMAGE AND VIDEO COMPRESSION
13
Patent #:
Issue Dt:
11/16/1993
Application #:
07837729
Filing Dt:
02/19/1992
Title:
METHOD AND APPARATUS FOR ESTIMATING THE LEVEL OF ACOUSTIC FEEDBACK BETWEEN A LOUDSPEAKER AND MICROPHONE
14
Patent #:
Issue Dt:
05/31/1994
Application #:
07847710
Filing Dt:
03/04/1992
Title:
VARIABLE BIT RATE SPEECH ENCODER
15
Patent #:
Issue Dt:
07/01/1997
Application #:
07865319
Filing Dt:
04/09/1992
Title:
METHOD AND APPARATUS FOR EFFICIENTLY TRANSMITTING FORCED UPDATES IN A MOVING PICTURE CODEC
16
Patent #:
Issue Dt:
02/01/1994
Application #:
07866027
Filing Dt:
04/09/1992
Title:
QUANTIZER CONTROL METHOD AND APPARATUS
17
Patent #:
Issue Dt:
11/22/1994
Application #:
07866031
Filing Dt:
05/07/1992
Title:
METHOD AND APPARATUS FOR PROCESSING BLOCK CODED IMAGE DATA TO REDUCE BOUNDARY ARTIFACTS BETWEEN ADJACENT IMAGE BLOCKS
18
Patent #:
Issue Dt:
12/20/1994
Application #:
08030845
Filing Dt:
03/12/1993
Title:
TWO-VIEW VIDEO CAMERA STAND AND SUPPORT METHOD
19
Patent #:
Issue Dt:
09/02/1997
Application #:
08132032
Filing Dt:
10/05/1993
Title:
MICROPHONE SYSTEM FOR TELECONFERENCING SYSTEM
20
Patent #:
Issue Dt:
04/21/1998
Application #:
08287686
Filing Dt:
08/09/1994
Title:
SPATIALLY ADAPTIVE BLUR FILTER
21
Patent #:
Issue Dt:
06/16/1998
Application #:
08332097
Filing Dt:
10/31/1994
Title:
VIDEO CONFERENCING SYSTEM
22
Patent #:
Issue Dt:
10/13/1998
Application #:
08333755
Filing Dt:
11/03/1994
Title:
METHOD AND APPARATUS FOR VISUAL COMMUNICATIONS IN A SCALABLE NETWORK ENVIRONMENT
23
Patent #:
Issue Dt:
01/23/1996
Application #:
08355036
Filing Dt:
12/13/1994
Title:
ELECTRICAL CABLE INTERFACE FOR ELECTRONIC CAMERA
24
Patent #:
Issue Dt:
05/27/1997
Application #:
08398546
Filing Dt:
03/06/1995
Title:
ELECTRICALLY CONTROLLED CAMERA POSITIONING SYSTEM
25
Patent #:
Issue Dt:
08/27/1996
Application #:
08402550
Filing Dt:
03/13/1995
Title:
REDUCTION OF BACKGROUND NOISE FOR SPEECH ENHANCEMENT
26
Patent #:
Issue Dt:
09/02/1997
Application #:
08416525
Filing Dt:
04/03/1995
Title:
FIXED BIT RATE SPEECH ENCODER/DECODER
27
Patent #:
Issue Dt:
02/23/1999
Application #:
08498940
Filing Dt:
07/05/1995
Title:
METHOD AND SYSTEM FOR SHARING APPLICATIONS BETWEEN COMPUTER SYSTEMS
28
Patent #:
Issue Dt:
09/08/1998
Application #:
08631644
Filing Dt:
04/02/1996
Title:
LAPPED ORTHOGONAL VECTOR QUANTIZATION
29
Patent #:
Issue Dt:
02/03/1998
Application #:
08657636
Filing Dt:
05/30/1996
Title:
METHOD AND APPARATUS FOR STEERABLE AND ENDFIRE SUPERDIRECTIVE MICROPHONE ARRAYS WITH REDUCED ANALOG-TO-DIGITAL CONVERTER AND COMPUTATIONAL REQUIREMENTS
30
Patent #:
Issue Dt:
07/07/1998
Application #:
08663670
Filing Dt:
06/14/1996
Title:
METHOD AND APPARATUS FOR LOCALIZATION OF AN ACOUSTIC SOURCE
31
Patent #:
Issue Dt:
07/13/1999
Application #:
08726959
Filing Dt:
10/07/1996
Title:
VARIABE LENGTH CODING USING A PLURALITY OF REGION BIT ALLOCATION PATTERNS
32
Patent #:
Issue Dt:
07/28/1998
Application #:
08761349
Filing Dt:
12/06/1996
Title:
MICROPHONE SYSTEM FOR TELECONFERENCING SYSTEM
33
Patent #:
Issue Dt:
02/29/2000
Application #:
08815091
Filing Dt:
03/12/1997
Title:
METHOD AND SYSTEM FOR CONTROLLING DATA FLOW
34
Patent #:
Issue Dt:
09/07/1999
Application #:
08815093
Filing Dt:
03/12/1997
Title:
METHOD AND SYSTEM FOR SHARING NEGOTIATING CAPABILITIES WHEN SHARING AN APPLICATION PROGRAM WITH MULTIPLE COMPUTER SYSTEMS
35
Patent #:
Issue Dt:
11/16/1999
Application #:
08914384
Filing Dt:
08/18/1997
Title:
CRYPTOGRAPHIC KEY EXCHANGE USING PRE-COMPUTATION
36
Patent #:
Issue Dt:
08/24/1999
Application #:
08914668
Filing Dt:
08/18/1997
Title:
A W-BIT NON-LINEAR COMBINER FOR PSEUDO-RANDOM NUMBER GENERATION
37
Patent #:
Issue Dt:
11/09/1999
Application #:
09007944
Filing Dt:
01/16/1998
Title:
PSEUDO-RANDOM NUMBER GENERATOR CAPABLE OF EFFICIENTLY EXPLOITING PROCESSORS HAVING INSTRUCTION-LEVEL PARALLELISM AND THE USE THEREOF FOR ENCRYPTION
38
Patent #:
Issue Dt:
11/09/1999
Application #:
09234856
Filing Dt:
01/22/1999
Title:
AUDIO PROCESSOR
39
Patent #:
Issue Dt:
04/09/1996
Application #:
29034093
Filing Dt:
01/27/1995
Title:
VIDEOCONFERENCING CONTROL PANEL
40
Patent #:
Issue Dt:
04/02/1996
Application #:
29034158
Filing Dt:
01/27/1995
Title:
VIDEOCONFERENCING KEYPAD
41
Patent #:
Issue Dt:
08/20/1996
Application #:
29037497
Filing Dt:
04/14/1995
Title:
SPEAKER ENCLOSURE
42
Patent #:
Issue Dt:
09/24/1996
Application #:
29040801
Filing Dt:
06/27/1995
Title:
REMOTELY CONTROLLED CAMERA
43
Patent #:
Issue Dt:
05/12/1998
Application #:
29060863
Filing Dt:
10/09/1996
Title:
INTEGRAL VIDEOCONFERENCING SYSTEM
44
Patent #:
Issue Dt:
01/27/1998
Application #:
29064655
Filing Dt:
01/08/1997
Title:
DIRECTIONAL MICROPHONE
Assignor
1
Exec Dt:
05/17/2000
Assignee
1
A CORPORATION OF MASSACHUSETTS
ONE POST OFFICE SQUARE
BOSTON, MASSACHUSETTS 02109
Correspondence name and address
BROWN RUDNICK FREED & GESMER
MICHAEL A. HILL
ONE FINANCIAL CENTER
BOSTON, MASSACHUSETTS 02110

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