PictureTel Corporation

Organization

Danvers, MA, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for transmitting data for a shared application
- Patent number 6,911,987
- Issue date Jun 28, 2005
- Microsoft Corporation
- Christopher J. Mairs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Error correction and concealment during data transmission
- Patent number 6,357,028
- Issue date Mar 12, 2002
- PictureTel Corporation
- Qin-Fan Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compressing/decompressing bitmap by performing exclusive- or operat...
- Patent number 6,304,928
- Issue date Oct 16, 2001
- Microsoft Corporation
- Christopher J. Mairs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Low delay real time digital video mixing for multipoint video confe...
- Patent number 6,285,661
- Issue date Sep 4, 2001
- PictureTel Corporation
- Qin-Fan Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video camera
- Patent number D446531
- Issue date Aug 14, 2001
- PictureTel Corporation
- Benjamin J. Beck
- D16 - Photography and optical equipment
Information Patent Grant
Channel aggregation having low latency and overhead
- Patent number 6,240,140
- Issue date May 29, 2001
- PictureTel Corporation
- David J. Lindbergh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio processor
- Patent number 6,141,597
- Issue date Oct 31, 2000
- PictureTel Corporation
- Stephen C. Botzko
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and system for controlling data flow
- Patent number 6,032,188
- Issue date Feb 29, 2000
- Microsoft Corporation
- Christopher J. Mairs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cryptographic key exchange using pre-computation
- Patent number 5,987,131
- Issue date Nov 16, 1999
- PictureTel Corporation
- Craig S. K. Clapp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio processor
- Patent number 5,983,192
- Issue date Nov 9, 1999
- PictureTel Corporation
- Stephen C. Botzko
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Pseudo-random number generator capable of efficiently exploiting pr...
- Patent number 5,983,252
- Issue date Nov 9, 1999
- PictureTel Corporation
- Craig S.K. Clapp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for negotiating capabilities when sharing an appl...
- Patent number 5,949,975
- Issue date Sep 7, 1999
- Microsoft Corp.
- John P. Batty
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
w-bit non-linear combiner for pseudo-random number generation
- Patent number 5,943,248
- Issue date Aug 24, 1999
- PictureTel Corporation
- Craig S.K. Clapp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Variable length coding using a plurality of region bit allocation p...
- Patent number 5,924,064
- Issue date Jul 13, 1999
- PictureTel Corporation
- Brant Helf
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for sharing applications between computer systems
- Patent number 5,874,960
- Issue date Feb 23, 1999
- Microsoft Corporation
- Christopher J. Mairs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for visual communications in a scalable networ...
- Patent number 5,821,986
- Issue date Oct 13, 1998
- PictureTel Corporation
- Xiancheng Yuan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lapped orthogonal vector quantization
- Patent number 5,805,739
- Issue date Sep 8, 1998
- PictureTel Corporation
- Henrique S. Malvar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microphone system for teleconferencing system
- Patent number 5,787,183
- Issue date Jul 28, 1998
- PictureTel Corporation
- Peter Lee Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for localization of an acoustic source
- Patent number 5,778,082
- Issue date Jul 7, 1998
- PictureTel Corporation
- Peter L. Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video conferencing system
- Patent number 5,767,897
- Issue date Jun 16, 1998
- PictureTel Corporation
- Brian A. Howell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integral videoconferencing system
- Patent number D394255
- Issue date May 12, 1998
- PictureTel Corporation
- Nunzio Napoleone
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Method and apparatus for steerable and endfire superdirective micro...
- Patent number 5,715,319
- Issue date Feb 3, 1998
- PictureTel Corporation
- Peter L. Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Directional microphone
- Patent number D389839
- Issue date Jan 27, 1998
- PictureTel Corporation
- Edward C. Woodman
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Fixed bit rate speech encoder/decoder
- Patent number 5,664,057
- Issue date Sep 2, 1997
- PictureTel Corporation
- Antony Henry Crossman
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Microphone system for teleconferencing system
- Patent number 5,664,021
- Issue date Sep 2, 1997
- PictureTel Corporation
- Peter Lee Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for efficiently transmitting forced updates in...
- Patent number 5,644,660
- Issue date Jul 1, 1997
- PictureTel Corporation
- John E. Bruder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrically controlled camera positioning system
- Patent number 5,633,681
- Issue date May 27, 1997
- PictureTel Corporation
- Larry K. Baxter
- G01 - MEASURING TESTING
Information Patent Grant
Remotely controlled camera
- Patent number D374023
- Issue date Sep 24, 1996
- PictureTel Corporation
- Benjamin J. Beck
- D16 - Photography and optical equipment
Information Patent Grant
Reduction of background noise for speech enhancement
- Patent number 5,550,924
- Issue date Aug 27, 1996
- PictureTel Corporation
- Brant M. Helf
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speaker enclosure
- Patent number D372918
- Issue date Aug 20, 1996
- PictureTel Corporation
- Michael A. Manganese
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
75452324 - PICTURETEL
- Serial number 75452324
- Registration number 2255356
- Filing date Mar 18, 1998
- PictureTel Corporation
- 35 - Advertising
Information Trademark
75226536 - LIVE
- Serial number 75226536
- Filing date Jan 16, 1997
- PictureTel, Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75226535 - LIVEPHONE
- Serial number 75226535
- Filing date Jan 16, 1997
- PictureTel Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75226537 - LIVELAN
- Serial number 75226537
- Filing date Jan 16, 1997
- PictureTel Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74644526
- Serial number 74644526
- Registration number 2044569
- Filing date Mar 10, 1995
- PictureTel Corporation
- 38 - Telecommunications
Information Trademark
74644653
- Serial number 74644653
- Registration number 2030914
- Filing date Mar 10, 1995
- PictureTel Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74627588 - PICTURETEL
- Serial number 74627588
- Registration number 1948810
- Filing date Jan 30, 1995
- PictureTel Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73678202 - COMMUNICATING WITH VISION
- Serial number 73678202
- Registration number 1495653
- Filing date Aug 13, 1987
- PICTURETEL CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73678219 - PICTURETEL
- Serial number 73678219
- Registration number 1495654
- Filing date Aug 13, 1987
- PICTURETEL CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73670941 - PICTURETEL
- Serial number 73670941
- Registration number 1489123
- Filing date Jul 9, 1987
- PICTURETEL CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

PictureTel Corporation

Organization

Patents Grantslast 30 patents

Method and system for transmitting data for a shared application

Error correction and concealment during data transmission

Compressing/decompressing bitmap by performing exclusive- or operat...

Low delay real time digital video mixing for multipoint video confe...

Video camera

Channel aggregation having low latency and overhead

Audio processor

Method and system for controlling data flow

Cryptographic key exchange using pre-computation

Audio processor

Pseudo-random number generator capable of efficiently exploiting pr...

Method and system for negotiating capabilities when sharing an appl...

w-bit non-linear combiner for pseudo-random number generation

Variable length coding using a plurality of region bit allocation p...

Method and system for sharing applications between computer systems

Method and apparatus for visual communications in a scalable networ...

Lapped orthogonal vector quantization

Microphone system for teleconferencing system

Method and apparatus for localization of an acoustic source

Video conferencing system

Integral videoconferencing system

Method and apparatus for steerable and endfire superdirective micro...

Directional microphone

Fixed bit rate speech encoder/decoder

Microphone system for teleconferencing system

Method and apparatus for efficiently transmitting forced updates in...

Electrically controlled camera positioning system

Remotely controlled camera

Reduction of background noise for speech enhancement

Speaker enclosure

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

75452324 - PICTURETEL

75226536 - LIVE

75226535 - LIVEPHONE

75226537 - LIVELAN

74644526

74644653

74627588 - PICTURETEL

73678202 - COMMUNICATING WITH VISION

73678219 - PICTURETEL

73670941 - PICTURETEL