Abstract: The present invention relates to a composition for forming a composite polymer film, a method for preparing the composition for forming a composite polymer film, a composite polymer film and a method for preparing the composite polymer film. The composition for forming a composite polymer film comprises: a fluorine-based polymer solution comprising a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the fluorine-based polymer solution. The method for preparing the composition for forming a composite polymer film comprises the steps of: preparing a fluorine-based polymer solution comprising a fluorine-based polymer; and dispersing polyvinylidene fluoride nanoparticles in the fluorine-based polymer solution. The composite polymer film comprises: a polymer matrix formed from a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the polymer matrix.

Abstract: A method for performing a security login in an electronic device includes accessing, by an electronic device including a communication circuit and a processor, a web page. The method also includes receiving a user input for requesting a login to the web page and receiving first information for the login from the web page. The received first information is transmitted to a payment service provider server and a request for second information for authentication is received from the payment service provider server. The requested second information is transmitted to the payment service provider server and the login to the web page is performed.

Abstract: A method for performing a security login in an electronic device includes accessing, by an electronic device including a communication circuit and a processor, a web page. The method also includes receiving a user input for requesting a login to the web page and receiving first information for the login from the web page. The received first information is transmitted to a payment service provider server and a request for second information for authentication is received from the payment service provider server. The requested second information is transmitted to the payment service provider server and the login to the web page is performed.

Abstract: A server is provided to securely provide information to a purchasing user about all memberships for which points may be accumulated in an affiliated store according to affiliated store information. The server includes a communication module to provide one-time card information to a user terminal and to obtain payment completion information, including the one-time card information and affiliated store information from a payment terminal, and a control module to determine at least one membership for which points are accumulated according to the affiliated store information, and determine whether a user of the user terminal has the at least one membership according to the one-time card information. The control module allows the communication module to provide membership information according to the determined results to the user terminal including operations permitting the user to join memberships for which points may be accumulated.

Abstract: An electronic device and method for payment using a membership card are provided. In a method of operating an electronic device in which a membership number is stored, the method includes displaying by a display a plurality of payment cards, detecting by a controller selection of at least one of the plurality of payment cards, and transmitting to a payment server a membership number and a card identifier identifying the selected at least one of the plurality of payment cards, wherein the payment server approves a payment to the selected at least one of the plurality of payment cards when the membership number matches a second membership identifier received from a membership card that was swiped at a payment terminal.

Abstract: Techniques, systems and apparatus are described for providing a voltage selection circuitry and a DC-to-DC converter having such voltage selection circuitry. The voltage selection circuitry includes a first terminal voltage sensing unit that senses a voltage of a first terminal and a second terminal voltage sensing unit that senses a voltage of a second terminal. The voltage selection circuitry also includes a comparison unit connected to the first terminal voltage sensing unit and the second terminal voltage sensing unit. The comparison unit compares the voltage of the first terminal with the voltage of the second terminal and outputs a comparison signal indicating a difference between the sensed voltages of the first and second terminals. The voltage selection circuitry includes a selection unit that selects a higher voltage from the sensed voltages of the first and second terminals in response to the comparison signal.

Abstract: Disclosed herein are a novel sucrose-inducible promoter sequence and a 5? untranslated region which are derived from sweetpotato ADP-glucose pyrophosphorlyase gene (ibAGP1) (SEQ ID NO: 1). Also disclosed are expression vectors using the same sequences and a transgenic plant using the same vectors. The promoter and 5? untranslated region according to the present invention can confer a high level of sucrose-inducible expression in plants, particularly in plant storage roots which contain sucrose in relatively large quantities to accumulate starch in large quantities in plants. Therefore the present invention may be useful for the generation of transgenic plants to produce useful proteins in large quantities in plant storage roots.

Abstract: Techniques, systems and apparatus are described for providing a voltage selection circuitry and a DC-to-DC converter having such voltage selection circuitry. The voltage selection circuitry includes a first terminal voltage sensing unit that senses a voltage of a first terminal and a second terminal voltage sensing unit that senses a voltage of a second terminal. The voltage selection circuitry also includes a comparison unit connected to the first terminal voltage sensing unit and the second terminal voltage sensing unit. The comparison unit compares the voltage of the first terminal with the voltage of the second terminal and outputs a comparison signal indicating a difference between the sensed voltages of the first and second terminals. The voltage selection circuitry includes a selection unit that selects a higher voltage from the sensed voltages of the first and second terminals in response to the comparison signal.