Non linear compression or expansion

Industry

CPC
H04B14/048

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Parent Industries

HELECTRICITY H04Electric communication H04BTRANSMISSION H04B14/00Transmission systems not characterised by the medium used for transmission

Current Industry

H04B14/048Non linear compression or expansion

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method and unit for substracting quantization noise from a PCM signal
- Patent number 7,453,942
- Issue date Nov 18, 2008
- NXP B.V.
- Ercan Ferit Gigi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus for converting PCM signal
- Patent number 7,277,490
- Issue date Oct 2, 2007
- Samsung Electronics Co., Ltd.
- Chang-Rae Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency thinning device and method for compressing information by...
- Patent number 7,184,961
- Issue date Feb 27, 2007
- Kabushiki Kaisha Kenwood
- Yasushi Sato
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for reducing the word length of a digital inpu...
- Patent number 7,088,779
- Issue date Aug 8, 2006
- Koninklijke Philips Electronics N.V.
- Ronaldus Maria Aarts
- G11 - INFORMATION STORAGE
Information Patent Grant
Computer-based conversion of digital signals
- Patent number 6,775,297
- Issue date Aug 10, 2004
- James C. Shelby
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, methods and computer program products for averaging learne...
- Patent number 6,754,258
- Issue date Jun 22, 2004
- International Business Machines Corporation
- Youssef Abdelilah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detecting superimposed information channels for modem connections
- Patent number 6,751,260
- Issue date Jun 15, 2004
- Agere Systems, INC
- Zhenyu Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Far echo canceller for PCM modems
- Patent number 6,721,287
- Issue date Apr 13, 2004
- Agere Systems Inc.
- Yhean-Sen Lai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice coding conversion circuit between office exchange and ISDN ke...
- Patent number 6,647,023
- Issue date Nov 11, 2003
- Samsung Electronics Co., Ltd.
- Hyung-Gon Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and device for generating signal constellations in PCM space...
- Patent number 6,577,683
- Issue date Jun 10, 2003
- 3COM Corporation
- Mark A. Waldron
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Translation table and constellation design for a PCM modem subjecte...
- Patent number 6,542,551
- Issue date Apr 1, 2003
- PC-Tel, Inc.
- Yuri Okunev
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Embedded software negotiation of PCM companding format
- Patent number 6,510,180
- Issue date Jan 21, 2003
- Rockwell Electronic Commerce Corp.
- Marshall L. Peltz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Channel check test system
- Patent number 6,498,833
- Issue date Dec 24, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Yukimasa Sugino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for determining PCM code translations
- Patent number 6,421,388
- Issue date Jul 16, 2002
- 3COM Corporation
- Vladimir Parizhsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Channel check test system
- Patent number 6,324,260
- Issue date Nov 27, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Yukimasa Sugino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detection of speech channel back-looping
- Patent number 6,230,120
- Issue date May 8, 2001
- Nokia Communications Oy
- Jyri Suvanen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus compensating for effects of digital loss inser...
- Patent number 6,195,384
- Issue date Feb 27, 2001
- Lucent Technologies Inc.
- Nuri Ruhi Dagdeviren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Translation table design for a PCM modem
- Patent number 6,185,249
- Issue date Feb 6, 2001
- IC Tel Inc.
- Vitaly Drucker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distinguishing received A-law and μ-law signals in a PCM modem
- Patent number 6,181,737
- Issue date Jan 30, 2001
- PC-Tel, Inc.
- Yuri Okunev
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mapper for high data rate signalling
- Patent number 6,115,415
- Issue date Sep 5, 2000
- General Data CommInc.
- Yuri Goldstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling method having mixed-base shell map indices
- Patent number 6,084,915
- Issue date Jul 4, 2000
- 3COM Corporation
- Richard G.C. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transparent technique for Mu-law modems to detect an all-digital ci...
- Patent number 6,081,556
- Issue date Jun 27, 2000
- Paradyne Corporation
- Kurt Ervin Holmquist
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Concise storage and expansion of signal constellations in PCM space...
- Patent number 5,986,596
- Issue date Nov 16, 1999
- 3COM Corporation
- Mark A. Waldron
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods for non-linearly quantizing and non-linearly dequantizing a...
- Patent number 5,946,652
- Issue date Aug 31, 1999
- Robert Heddle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cooperative feedback system and method for a compensation system as...
- Patent number 5,930,300
- Issue date Jul 27, 1999
- Paradyne Corporation
- William Lewis Betts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shaping filter for high data rate signalling
- Patent number 5,867,529
- Issue date Feb 2, 1999
- General DataComm
- Paul Dana Cole
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mapper for high data rate signalling
- Patent number 5,862,179
- Issue date Jan 19, 1999
- General DataComm, Inc.
- Yuri Goldstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mapper for high data rate transmission through channels subject to...
- Patent number 5,862,184
- Issue date Jan 19, 1999
- General DataComm, Inc.
- Yuri Goldstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mapper for high data rate signalling
- Patent number 5,822,371
- Issue date Oct 13, 1998
- General DataComm. Inc.
- Yuri Goldstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Combined DAQ/RBS compensation system and method for enhancing the a...
- Patent number 5,812,075
- Issue date Sep 22, 1998
- Paradyne Corporation
- William Lewis Betts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and unit for substracting quantization noise from a pcm signal
- Publication number 20050117656
- Publication date Jun 2, 2005
- Koninklijke Philips Electronics N.V.
- Ercan Ferit Gigi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of optimizing compression rate in adaptive differential puls...
- Publication number 20050025251
- Publication date Feb 3, 2005
- Yuh-Chin Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Frequency thinning device and method for compressing information by...
- Publication number 20030167164
- Publication date Sep 4, 2003
- Yasushi Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for reducing the word length of a digital inpu...
- Publication number 20020025004
- Publication date Feb 28, 2002
- Koninklijke Philips Electronics N.V.
- Ronaldus Maria Aarts
- G11 - INFORMATION STORAGE
Information Patent Application
Channel check test system
- Publication number 20010056556
- Publication date Dec 27, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Yukimasa Sugino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Non linear compression or expansion

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and unit for substracting quantization noise from a PCM signal

Apparatus for converting PCM signal

Frequency thinning device and method for compressing information by...

Method and apparatus for reducing the word length of a digital inpu...

Computer-based conversion of digital signals

Systems, methods and computer program products for averaging learne...

Detecting superimposed information channels for modem connections

Far echo canceller for PCM modems

Voice coding conversion circuit between office exchange and ISDN ke...

Method and device for generating signal constellations in PCM space...

Translation table and constellation design for a PCM modem subjecte...

Embedded software negotiation of PCM companding format

Channel check test system

Method and apparatus for determining PCM code translations

Channel check test system

Detection of speech channel back-looping

Method and apparatus compensating for effects of digital loss inser...

Translation table design for a PCM modem

Distinguishing received A-law and &#x03BC;-law signals in a PCM modem

Mapper for high data rate signalling

Signaling method having mixed-base shell map indices

Transparent technique for Mu-law modems to detect an all-digital ci...

Concise storage and expansion of signal constellations in PCM space...

Methods for non-linearly quantizing and non-linearly dequantizing a...

Cooperative feedback system and method for a compensation system as...

Shaping filter for high data rate signalling

Mapper for high data rate signalling

Mapper for high data rate transmission through channels subject to...

Mapper for high data rate signalling

Combined DAQ/RBS compensation system and method for enhancing the a...

Patents Applicationslast 30 patents

Method and unit for substracting quantization noise from a pcm signal

Method of optimizing compression rate in adaptive differential puls...

Frequency thinning device and method for compressing information by...

Method and apparatus for reducing the word length of a digital inpu...

Channel check test system

Distinguishing received A-law and μ-law signals in a PCM modem