Membership
Tour
Register
Log in
Chang Choo
Follow
Person
San Jose, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for cancelling wideband acoustic echo
Patent number
9,025,763
Issue date
May 5, 2015
Electronics and Telecommunications Research Institute
In Ki Hwang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for implementing efficient arithmetic circuits...
Patent number
7,124,161
Issue date
Oct 17, 2006
Altera Corporation
Chang Choo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for implementing efficient arithmetic circuits...
Patent number
7,058,675
Issue date
Jun 6, 2006
Altera Corporation
Chang Choo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Motion vector based frame insertion process for increasing the fram...
Patent number
6,621,864
Issue date
Sep 16, 2003
National Semiconductor Corporation
Chang Y. Choo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hashing-based vector quantization
Patent number
5,991,455
Issue date
Nov 23, 1999
National Semiconductor Corporation
Chang Y. Choo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Motion vector based frame insertion process for increasing the fram...
Patent number
5,943,096
Issue date
Aug 24, 1999
National Semiconductor Corporation
Chang Y. Choo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hashing-based vector quantization
Patent number
5,832,131
Issue date
Nov 3, 1998
National Semiconductor Corporation
Chang Y. Choo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Syntax based arithmetic coder and decoder
Patent number
5,587,710
Issue date
Dec 24, 1996
National Semiconductor Corporation
Chang Y. Choo
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS AND METHOD FOR CANCELLING WIDEBAND ACOUSTIC ECHO
Publication number
20130268267
Publication date
Oct 10, 2013
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
In Ki HWANG
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
APPARATUS AND METHOD FOR CANCELLING WIDEBAND ACOUSTIC ECHO
Publication number
20130208884
Publication date
Aug 15, 2013
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
In Ki HWANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR CANCELLING ACOUSTIC ECHO
Publication number
20120140939
Publication date
Jun 7, 2012
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
In Ki HWANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR CANCELLING ACOUSTIC ECHO
Publication number
20120140940
Publication date
Jun 7, 2012
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
In Ki HWANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and method for implementing efficient arithmetic circuits...
Publication number
20060277240
Publication date
Dec 7, 2006
Chang Choo
G06 - COMPUTING CALCULATING COUNTING