1
Chong R Lee, Yong K Park: Speech segment coding and pitch control methods for speech synthesis systems. Korea Telecommunication Authority, Seed and Berry, April 1, 1997: US05617507 (185 worldwide citation)

The present invention relates to a method and system for synthesizing speech utilizing a periodic waveform decomposition and relocation coding scheme. According to the scheme, signals of voiced sound interval among original speech are decomposed into wavelets, each of which corresponds to a speech w ...


2
Dong Won Kim, Won Ryu, Dae Ung Kim: Subscriber input/output device of high-speed packet switching system with parallel common bus type. Electronics and Telecommunications Research Institute, Korea Telecommunication Authority, Nixon & Vanderhye P C, August 18, 1998: US05796739 (85 worldwide citation)

A subscriber input/output device of a high-speed packet switching system with a parallel common bus type is disclosed. The subscriber input/output device uses a coaxial cable to establish a star network of a radius of hundreds of meters, and the star network is arbitrated by a polling method to be u ...


3
Chang H Lee, Suk J Lee, Sang S Lee, Tae G Choy: Chip type capacitor for removing radio frequency noise. Electronics and Telecommunications Research Institute, Korea Telecommunication Authority, Blakely Sokoloff Taylor & Zafman, September 12, 1995: US05450278 (60 worldwide citation)

A chip type capacitor with a multi-layer structure comprising a plurality of inner electrodes classified into two groups one being used as parts of signal lines and the other being connected to grounded lines. Each of the inner electrodes for radio frequency passages has a pair of inwardly extending ...


4
Hyeun Tae Lee, Seog Ki Lee, Young Hee Lee: Data switching device. Electronics And Telecommunications Research Institute, Korea Telecommunication Authority, Jacobson Price Holman & Stern PLLC, October 13, 1998: US05821875 (58 worldwide citation)

A data switching device which implement the data exchange between a plurality of terminals connected to the communication network. Even if the circuit connection exists in the relevant input port and the destination port, since the frame is transmitted to the output part through the dual circuit swi ...


5
Sun Shin An, Sang Kyung Kim, Kyung Sup Sun: Communication apparatus and method between distributed objects. Korea Telecommunication Authority, Merchant & Gould P C, February 17, 2004: US06694368 (57 worldwide citation)

Disclosed is a communication apparatus between distributed objects comprising: a plurality of separate software buses adapted to determine whether or not a communication service of which function and property is provided in a distributed platform; a platform administrator adapted to build and admini ...


6
Jong S Lee, Oh W Kwon, Joo H Jeong, Ji H Kim, Myoung H Lee: Video codec including pipelined processing elements. Electronics and Telecommunications Research Institute, Korea Telecommunication Authority, Blakely Sokoloff Taylor & Zafman, September 3, 1991: US05046080 (53 worldwide citation)

A videophone system for providing videophone service within narrow band digital network, based on pipelined processing elements, includes source codec means coupled to the image bus, including numerous processing elements of which processing element has DSP (Digital Signal Processor) module, local m ...


7
Seop Hyeong Park: Method for decoding signal vector-quantized by blocks. Korea Telecommunication Authority, Merchant Gould Smith Edell Welter & Schmidt, May 11, 1999: US05903679 (52 worldwide citation)

A method for producing a decoded signal approximate to an original signal upon decoding a quantized signal which is produced by vector-quantizing every block of an original signal or by vector-quantizing every block of a transform coefficient obtained after every block of the original signal is proc ...


8
Kyeong Soo Kim, Hyup Jong Kim: Fully-interconnected asynchronous transfer mode switching apparatus. Electronics and Telecommunications Research Institute, Korea Telecommunication Authority, Nixon & Vanderhye P C, January 12, 1999: US05859846 (48 worldwide citation)

A fully-interconnected ATM switching apparatus comprising a plurality of line interface circuits, each of the line interface circuits including an input port driver for extracting an SDH transmission frame containing cell data with a fixed length and a connection identifier from an input signal, app ...


9
Eung I Kim, Jae I Kim, Jong R Lee: Method of approximately matching an input character string with a key word and vocally outputting data. Korea Telecommunication Authority, Merchant Gould Smith Edell Welter & Schmidt, October 19, 1993: US05255310 (46 worldwide citation)

A method for approximately matching a DTMF input character string with a key word and for vocally outputting information in response to the input character string. A telephone apparatus is provided to transmit a dual tone multi-frequency (DTMF) signal by utilizing a character panel including a plura ...


10
Sung Won Sohn, Yoon Mi Doh, Jong Oh Kim: Asynchronous transfer mode (ATM) layer function processing apparatus with an enlarged structure. Electronics and Telecommunications Research Institute, Korea Telecommunication Authority, Antonelli Terry Stout & Kraus, September 22, 1998: US05812550 (40 worldwide citation)

An asynchronous transfer mode (ATM) layer function processing apparatus with an enlarged structure is disclosed including: an ATM layer receiving cell processor for storing a cell start signal and cell input data extracted by use of a cell read clock in a buffer when a cell transmissible signal is r ...