Abstract: The present invention relates to: a conductive filter unit provided with an electrode rod including a conductive member protruding from a second electrode cap to the inner space formed by a conductive filter and a metal member arranged on at least part of the surface of the conductive member; a conductive filter module including same; and a fine dust removal system provided with the conductive filter module, wherein the fine dust removal system provided with the conductive filter module generates a strong electric field and a large number of ions between a particle charging device and the conductive filter to increase the charge rate of fine dust, thereby realizing high efficiency of fine dust removal.

Abstract: The present disclosure relates to a fine dust removal system including a conductive filter module, and more particularly, to a fine dust removal system having a conductive filter module which includes a cylindrical conductive filter to thereby implement high fine dust removal efficiency with low pressure loss and which can be easily, generally applied to and used in an air cleaner to be installed in windows or in an independent indoor air cleaner.

Abstract: The present invention relates to: a conductive filter unit provided with an electrode rod including a conductive member protruding from a second electrode cap to the inner space formed by a conductive filter and a metal member arranged on at least part of the surface of the conductive member; a conductive filter module including same; and a fine dust removal system provided with the conductive filter module, wherein the fine dust removal system provided with the conductive filter module generates a strong electric field and a large number of ions between a particle charging device and the conductive filter to increase the charge rate of fine dust, thereby realizing high efficiency of fine dust removal.

Abstract: The present invention provides a system for transmitting receipt information using a mobile terminal. The receipt information transmitting system comprises: a merchant terminal ID provider configured to store a merchant terminal ID; a mobile terminal of a user configured to acquire the merchant terminal ID from the merchant terminal ID provider and to generate a first message for requesting receipt information including the acquired merchant terminal ID; a receipt information transmission server configured to receive the first message from the mobile terminal and to generate a second message for requesting the receipt information; and a merchant terminal configured to receive the second message from the receipt information transmission server and to transmit the receipt information to the receipt information transmission server, in response to the second message, wherein the receipt information transmission server transmits the receipt information received from the merchant terminal to the mobile terminal.

Abstract: A financial transaction system includes a bank server, an authentication code transfer server, and an ATM. The bank server generates an authentication code in response to a request message received from a mobile terminal. Then the bank server transmits the authentication code to the mobile terminal. The authentication code transfer server receives the authentication code from the mobile terminal and forwards the authentication code to the ATM which then transmits the authentication code to the bank server for transaction authentication. The bank server performs transaction authentication by comparing the code received from the ATM with the code previously generated by the bank server. The ATM dispenses cash according to transaction information entered by a user using the mobile terminal upon receipt of a transaction approval message from the bank server.

Abstract: In order to process a mobile transaction offline, a user terminal transmits a mobile transaction code and a merchant terminal ID to a payment information transmission server and the payment information transmission server transmits a payment information message including the mobile transaction code to a merchant terminal, so that it is possible to process mobile transactions through a unified user interface despite different payment plans of various payment service providers.

Abstract: The present disclosure relates to a fine dust removal system including a conductive filter module, and more particularly, to a fine dust removal system having a conductive filter module which includes a cylindrical conductive filter to thereby implement high fine dust removal efficiency with low pressure loss and which can be easily, generally applied to and used in an air cleaner to be installed in windows or in an independent indoor air cleaner.