Abstract: A positive electrode including a positive electrode active material layer disposed on at least one surface of a positive electrode current collector, the positive electrode active material layer including a lithium transition metal phosphate, a fluorine-based binder, and a conductive material. The lithium transition metal phosphate includes a carbon coating layer formed on a surface thereof, and a ratio (B/A) of a total weight (B) of the fluorine-based binder to a total weight (A) of carbon of the conductive material and the lithium transition metal phosphate in the positive electrode active material layer is 0.7 to 1.7.

Abstract: The present disclosure provides for sequentially turning on a plurality of power conversion modules according to the magnitude of load power at the time of driving the power conversion modules, operating power conversion modules which have already been turned on in an optimum efficiency interval, and providing increased load power through a power conversion module which has been newly turned on.

Abstract: The present invention provides a card having password input keys, which can prevent duplication of a credit card, a cash card, or an electronic identification card by a unauthorized third party upon loss or theft of the card, and which is constructed so that a separate password, other than a password for card payment assigned when the card is issued, is set in the card, and a magnetic stripe card or smart card-type credit card, cash card or electronic identification card can be turned on/off when a correct password is input, thus implementing a plurality of security functions without requiring changes to be made to a conventional card terminal or various operating systems.

Abstract: A device to input a user-defined secret code to activate the card with magnetic film strip, integrated circuitry or the combination of the two and a method of activating the card. The key entry device is fixed at a side of the card. The card equipped with secret code input keys have magnetic film strip, a part or the whole of which are printed without being magnetized and the method of the present invention operates only when the defined secret code is entered and, therefore, can prevent unauthorized use of stolen or lost card. Also the present invention will prevent the use of copied or forged cards.

Abstract: Provided are a method and apparatus for providing and using content advisory (CA) information on Internet contents. A method of providing CA information by using a CA information server, includes receiving a request for the CA information on a content, from an Internet Protocol television (IPTV); searching for CA information on the content; and transmitting the found CA information to the IPTV. A method of using CA information when an IPTV reproduces a content not having the CA information, according to the present invention, includes transmitting a request for CA information, to a CA information server; receiving the CA information from the CA information server; analyzing the CA information; and applying the CA information.