1
Vincent Chern, Jong Tae Chung, Dung John Dinh: System and method for locating and tracking mobile telephone devices via the internet. Leap Wireless International, Reed Smith, September 24, 2002: US06456854 (138 worldwide citation)

A system and method for locating mobile telephone devices via the Web. The mobile telephone device obtains and provides its location to a Web server in GPS latitude and longitude format. The communication between the Web server and the mobile telephone device may be through a browser or through mobi ...


2
Young ho Jo, Chang yeon Kim, Jong tae Chung: Method for generating dummy frequencies for frequency hard handover in code division multiple access mobile communication system. Shinsegi Telecomm, Birch Stewart Kolasch & Birch, November 9, 1999: US05982759 (11 worldwide citation)

A method for generating dummy frequencies to make frequency hard handover smooth in provision of a digital CDMA mobile communication service when base stations are different in frequency configuration. The coverage of each of the dummy frequencies becomes the same as that of a service frequency usin ...


3
Jong tae Chung, Jin soup Joung, Tae hoon Lee: Wireless data communication protocol diagnosis system. Innowireless, Scully Scott Murphy & Presser P C, March 27, 2007: US07197304 (4 worldwide citation)

The present invention relates to a diagnosis system for a wireless data communication protocol, and more particularly, to a wireless data communication protocol diagnosis system enabling to compare/analyze simultaneously a trouble caused by the measurement of a wireless data communication protocol b ...


4
Jong Tae Chung, Jin Soup Joung, Young Su Kwak, Jin Man Kim, Hyun Seok Cho: Method for automatically controling volume level for calculating MOS. Innowireless, Rothwell Figg Ernst & Manbeck P C, July 31, 2012: US08233590

The present invention relates to a method of automatically controlling the volume level of communication speech for Mean Opinion Score (MOS) measurement, which, before evaluating the quality of communication speech using a MOS measurement method, automatically controls the volume level of actual com ...


5
Jong tae Chung, Jin soup Joung, Tae hoon Lee: Wireless data communication protocol diagnosis system. Scully Scott Murphy & Presser PC, February 12, 2004: US20040029578-A1

The present invention relates to a diagnosis system for a wireless data communication protocol, and more particularly, to a wireless data communication protocol diagnosis system enabling to compare/analyze simultaneously a trouble caused by the measurement of a wireless data communication protocol b ...


6
Jong Tae Chung, Jin Soup Joung, Young Su Kwak, Jin Man Kim, Hyun Seok Cho: Method for Automatically Controling Volume Level for Calculating Mos. Innowireless, Rothwell Figg Ernst & Manbeck PC, November 20, 2008: US20080285764-A1

The present invention relates to a method of automatically controlling the volume level of communication speech for Mean Opinion Score (MOS) measurement, which, before evaluating the quality of communication speech using a MOS measurement method, automatically controls the volume level of actual com ...


7
Jong Tae Chung, Young Soon Baek, Won Jun Cho, Young Sam Oh, Seong Yong Ha, Hyung Chul Koh, Chung Seop Lee: Gas separation membrane for dme production process. Korea Gas Corporation, November 29, 2012: US20120297984-A1

Disclosed herein is a gas separation membrane for a DEM production process, including: a porous support having a carbon dioxide permeability of more than 300 GPU (GPU=1×10−6 cm3/cm2·sec·cmHg) and an inner diameter of 100˜1000 μm; and a composite membrane provided on an inner or outer surface of the ...