Patents by Inventor Sang-Jin Hur

Sang-Jin Hur has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Radio interface unit and method of controlling multiple/single mode thereof in wireless local loop network system

Patent number: 6393280

Abstract: A modulator-demodulator (modem) used in radio interface unit (RIU) is modeled as master and slave, respectively, so as to allow a rapid handling of service, a stabilized system, and an efficient utilization of wireless systems.

Type: Grant

Filed: February 29, 2000

Date of Patent: May 21, 2002

Inventors: Hun Lee, Yunn-Ghee Kim, Sung-Gyu Choi, Sang-Jin Hur, Su-Man Eo

Radio interface unit and method of controlling multiple/single mode thereof in wireless local loop network system