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Christopher R. Wren
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Cambridge, MA, US
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Patents Grants
last 30 patents
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Patent Grant
Methods of establishing a communications link using perceptual sens...
Patent number
7,242,421
Issue date
Jul 10, 2007
Perceptive Network Technologies, Inc.
Julian L. Center, Jr.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer vision depth segmentation using virtual surface
Patent number
6,911,995
Issue date
Jun 28, 2005
Mitsubishi Electric Research Labs, Inc.
Yuri A. Ivanov
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Videoconferencing method with tracking of face and dynamic bandwidt...
Patent number
6,680,745
Issue date
Jan 20, 2004
Perceptive Network Technologies, Inc.
Julian L. Center
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHODS OF ESTABLISHING A COMMUNICATIONS LINK USING PERCEPTUAL SENS...
Publication number
20070229652
Publication date
Oct 4, 2007
Julian L. Center
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Computer vision depth segmentation using virtual surface
Publication number
20030038875
Publication date
Feb 27, 2003
Yuri A. Ivanov
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Methods of establishing a communications link using perceptual sens...
Publication number
20020163572
Publication date
Nov 7, 2002
Julian L. Center
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of extending image-based face recognition systems to utilize...
Publication number
20020113687
Publication date
Aug 22, 2002
Julian L. Center
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Videoconferencing method with tracking of face and dynamic bandwidt...
Publication number
20020113862
Publication date
Aug 22, 2002
Julian L. Center
H04 - ELECTRIC COMMUNICATION TECHNIQUE