Lg Electronics Inc.

Sk Telecom Company, Ltd.

Seoul National University

Sk Planet Co., Ltd.

In Seong Hwang

Chang Ho Choi

Hee Won Park

Keun Hee Shin

Won Hee Sull

Sang Ho Chae

Seung Hyun Lee

Young Ki Kwon

Sung Hun Cho

Won Seok Cho

Eun Bok Lee

Eun Joong Kim

Taek Dong Chung

Jun Yong Jung

Chang Su Jeon

Kiwon Kwak

Chang H Choi

Keun H Shin

Disclosed is a polypeptide containing an extracellular domain of a synaptogenic protein, and a method for manufacturing a nerve cell, a complex containing a biotin tagged at the C-terminus of the polypeptide, an artificial synapse inducer for coupling the composite to a streptavidin (SAV)-coated substrate and a nerve cell. The complex tagged with a biotin at the C-terminus of the polypeptide containing the extracellular domain of the synaptogenic protein, such as neuroligin-1, can display activity by being attached to the SAV-coated substrate to adjust the orientation thereof without help of a supported lipid bilayer. The complex containing an additional RFP between the extracellular domain and the biotin of the synaptogenic protein not only facilitates easier mass-production, quantification, and tracking, but also displays activity of a normal synaptogenic protein, thereby inducing excitatory or inhibitory synaptic differentiation by being fixed to the substrate and added to the nerve cell culture.

Artificial synapse inducer and method of making the same

The invention relates to a system, to a server apparatus, to a terminal apparatus, and to a recording medium for generating a user affinity-based address book, and to a method for generating a user affinity-based address book, which support a user so that the user may intuitively recognize an affinity with a number of other users whose contact information is registered in the address book of the user. The invention is implemented such that: that information on a user's address book is provided; the result of a determination on whether or not the same contact number is shared between the user address book and an address book of each person whose contact information is registered, and the duration and frequency of talks between the user and each person whose contact information is registered; and information on a social address book is generated based on the determined affinity.

System, server apparatus, terminal apparatus, and recording medium for generating a user affinity-based address book, and method for generating a user affinity-based address book

In a wireless data communication network, a mobile terminal is reconnected to a contents provider, when a connection established between the mobile terminal and the contents provider is interrupted or after a completion of the downloading of contents, by using return address information and contents address information including addresses of the contents provider and a web page including information relating to the downloaded contents, respectively. A WML (wireless markup language) script including the contents address information and the return address information is provided to the mobile terminal before initiating the downloading of the contents. In this way, the mobile terminal can easily be reconnected to the contents provider when the connection established between the mobile terminal and the contents provider is interrupted due to network congestion or the mobile terminal leaving the service coverage area.

Method for connecting to a wireless internet service

In a method for setting up theme pictures and bells of a mobile telecommunication terminal, contents data stored in a storage unit of the mobile telecommunication terminal are retrieved based on a user's setting of a theme picture and a bell. A selection window is provided to the user to select the retrieved contents data. It is to determine whether the contents data selected in the selection window are VOD contents. If the contents data are the VOD contents data, at least one among video and audio data including the VOD contents data is decoded. A setup window is provided to determine whether the theme pictures include the decoded audio data. A speaker of the mobile telecommunication terminal is controlled on or off based on a user's setting of the setup window when the theme pictures are set up.

Method for setting up theme pictures and ringing tones of a mobile telecommunication terminal

In a method for providing a video data streaming service, a server determines whether an occupancy is below a first threshold or is equal to or greater than a second threshold, the occupancy representing the amount of data occupying a queuing buffer of a terminal and the first threshold being less than the second threshold. If the occupancy is not below the first threshold, the server provides the data streaming service at a predetermined service bit rate which is less than the current service bit rate. If the occupancy is equal to or greater than a second threshold, the server provides the data streaming service at a predetermined service bit rate which is greater than the current service bit rate.

Method for providing a video data streaming service

A data encryption method for an IEEE 1394 serial bus network, a data encryption method for an IEEE 1394 serial bus network, comprising the steps of requesting a private encryption at a data transmission node using a predetermined encryption algorithm at a data receiving node; recognizing and confirming that the data transmission node set the private encryption requesting at the data receiving node; transmitting an encrypted data at the data transmission node when the receiving node requests a service at the data transmission node; and decoding the encrypted data using a predetermined unencrypting key at the data receiving node, for thereby transmitting an encryption algorithm and encryption data to a corresponding node when a service is requested from a receiving node with respect to a certain system by setting an encryption algorithm in the system and decoding an encrypted data transmitted from the system in accordance with an encryption algorithm and displaying the same, so that a certain user can use a service.

Method for encrypting data using IEEE 1394 serial bus network

A method for performing a protocol interfacing operation for a plurality of nodes in an IEEE1394 serial bus network. Upon initialization of an IEEE1394 serial bus due to node addition or deletion, each of the nodes formats a protocol identifier packet and sends it to the other nodes. A bus manager stores the protocol identifier packets of the nodes into a protocol map. Then, a source node sends a protocol query packet including a target node identifier to the bus manager to request the transfer of data. Upon receiving the protocol query packet from the source node, the bus manager retrieves a communication protocol from the protocol map and sends a protocol set packet including information about the retrieved communication protocol to the source node and a target node to perform the transfer of data between the source and target nodes through the communication protocol. Therefore, the data transfer can efficiently be performed with no necessity for checking protocols one by one.

Protocol interfacing method

A device and method for generating a composite color signal are disclosed. The device includes a first memory unit for storing digital cosine data, a second memory unit for storing digital sine data, a first arithmetic unit for multiplying digital color difference data Cr input thereto with the digital cosine data, a second arithmetic unit for multiplying digital color difference data Cb input thereto with the digital sine data, and an adder for adding outputs of the first and arithmetic units to generate a digital composite color signal. The method includes the steps of storing digital cosine data and sine data in at least one of first and second memories, modulating digital color data using the stored digital sine and cosine data, and generating a composite color signal using the modulated digital color data.

Growing community of inventors

Seoul, South Korea

In Seong Hwang