Electronics and Telecommunications Research Institute

Kaifi, LLC

Young-Sic Jeong

Sang-Keun Yoo

Yong-Woon Kim

Jin-Young Lee

Disclosed herein are a method for operating a relation server and a system using the method. The method for operating the relation server for managing relations between machines includes generating, by the relation server, a capability set required to execute a command by analyzing the command, and grouping, by the relation server, machines that are to execute the command, among the machines, based on the generated capability set, and capability parameters and status parameters of respective machines that have been previously registered in the relation server or that are extractable by the relation server.

Method for operating relation server and system using the same

Disclosed herein are a method for operating machines and a system using the method, which can manage relations required in order to execute commands. The method includes generating a capability set required to execute the command by analyzing the command, and determining whether to participate in a machine group to execute the commands based on the generated capability set and capability parameters and status parameters of the machine.

Method for operating machines and system using the same

Disclosed herein is a camera apparatus for automatically maintaining horizontality and a method for maintaining the horizontality of a camera module and an image sensor. Particularly, the method for maintaining the horizontality of the camera module and the image sensor according to an embodiment of the present invention include: a step in which a horizontal sensor senses the horizontal state of the image sensor; a step in which a horizontal control signal generation unit generates a horizontal control signal based on a result of comparing the horizontal state with a reference state; and a step in which a horizontal control device rotates any one of the camera module and the image sensor to attain horizontality based on the horizontal control signal and controls any one of the camera module and the image sensor to stay horizontal.

Camera apparatus for automatically maintaining horizontality and method for the same

Provided are a method of automatically converting a phone number while roaming using a mobile communication terminal, and a mobile communication terminal using the method. The mobile communication terminal sets an automatic conversion mode, stores at least one phone number, reads a phone number selected by a user from among the at least one stored phone number, converts the read phone number to be suitable for an international phone system of a visited country for connection to a home country if the set automatic conversion mode is ON upon when a calling command is input, and controls every module of the mobile communication terminal such that a call can be made to the converted phone number.

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Daejeon, South Korea

Young-Sic Jeong