Abstract: There is a master server according to an embodiment of the present invention that includes: a remote USB information manager receiving information on a USB device connected to a remote USB bridge from the remote USB bridge and managing the received information; a virtual machine information manager receiving information of a user's virtual machine from a virtual machine host server and managing the received information; a user request processor, in accordance with a request of a user who wants to access a predetermined USB device on the remote USB bridge, extracting information on the corresponding USB device from the remote USB information manager and extracting the information on the user's virtual machine from the virtual machine information manager; and a remote USB connection controller connecting the user's virtual machine to the predetermined USB device by using the information extracted by the user request processor.

Abstract: A biological signal measuring apparatus includes a first biological signal measuring sensor attached to an earphone used for a mobile phone; and a biological signal receiver for receiving a biological signal from the first biological signal measuring sensor to thereby generate first raw data. The apparatus may further include a second biological signal measuring sensor attached to one of the mobile phone and an adaptor connected to the mobile phone, wherein the biological signal receiver receives a biological signal from the second biological signal measuring sensor to thereby generate second raw data. The apparatus is provided with a controller for detecting whether the mobile phone is used, wherein the controller drives the first and the second biological signal measuring sensor to measure the biological signal when the mobile phone is being used, and stops measuring the biological signals when the use of the mobile phone is finished.

Abstract: A health care system using a mobile phone includes the mobile phone which has sensors attached thereto, stores a biological signal measured by the sensors, and transmits the stored biological signal during a phone call; and a health care server which receives the biological signals from the mobile phone, analyzes the received biological signal to extract a characteristic value, generates health condition information of a user based on the extracted characteristic value, and transmits the generated information to the mobile phone. Further, a health care method using a mobile phone includes determining whether a physical body comes into contact with the sensors; measuring the biological signal with the sensors when the physical body comes into contact with the sensors; extracting a characteristic value from the biological signal; transmitting the characteristic value to the server; and generating the health condition information to transmit it to the mobile phone.

Abstract: Disclosed herein is a bio-signal measurement system for measuring bio-signals and providing relevant health care service. The bio-signal measurement system includes a bio-signal measurement device and a portable terminal device. The bio-signal measurement device is formed in a necklace shape, and is configured to measure various bio-signals, perform signal processing on the measured bio-signals, and send the processed bio-signals through a short-range wireless communication module. The portable terminal device is configured to perform signal processing on the sent bio-signals, store the processed bio-signals, calculate relevant bio-indexes, provide a monitoring service related to the bio-signals, compare the calculated bio-indexes with previously stored bio-indexes, and selectively provide a relevant health care information service.

Abstract: Provided is a multi-objective optimization method in a ubiquitous computing environment. The wearable computer includes: a wireless communication unit configured to receive features of condition information and features of service from the outside; a feature collecting unit configured to collect features of condition information according to user's input, and the features of the condition information and the features of the service transmitted from the wireless communication unit; and a computing unit configured to perform the multi-objective optimization by using the features collected through the feature collecting unit in order for optimized user service.

Abstract: Disclosed is an apparatus and method for image conversion and automatic error correction for a digital television receiver (TV) which can improve the picture quality by converting an image signal for a TV or PC that displays an image having an RGB format into an image signal of YPbPr for the digital TV and automatically correcting an error produced in the received image signal.

Abstract: Disclosed is an apparatus and method for image conversion and automatic error correction for a digital television receiver (TV) which can improve the picture quality by converting an image signal for a TV or PC that displays an image having an RGB format into an image signal of YPbPr for the digital TV and automatically correcting an error produced in the received image signal.