| 摘要 |
<p>The present invention relates to a method of operating a selective payment by using a connection status between a jack and a plug. The method of operating a selective payment according to the present invention is a selective payment operating method using a jack-plug connection status executed by a program provided on a wireless terminal of a member store having a sound input unit and comprises: a first step of determining whether a plug is connected to a jack of the sound input unit; a second step of, when the jack is not connected to the plug, displaying a first input interface for inputting a phone number of a customer wireless terminal and payment information, and, when the jack is connected to the plug, displaying an output interface for outputting a number or a character, which is detected by selectively analyzing a signal inputted from the plug through the jack of the sound input unit using a designated analysis algorithm; a third step of verifying whether the number or character displayed through the output interface is matched with a card information system; a fourth step of displaying a second input interface for inputting payment information, when the displayed number or character is matched with the card information system; and a fifth of performing a payment process by using the number or character matched with the card information system and the inputted payment information.</p> |
