| 摘要 |
PURPOSE: A door lock device attached with an advertisement display device and a method for performing an advertisement by connecting the door lock device with the Internet are provided to enable a user to naturally view an advertisement while a door is opened, thereby saving an advertisement leaflet printing cost. CONSTITUTION: An advertiser transmits advertisement contents to a door lock device attached with an advertisement display device through the Internet. The transmitted advertisement is stored in a memory of a CPU(Central Processing Unit). If a number of a door lock(4) is pressed, the advertisement contents are sequentially displayed at certain time intervals on an external display. A simple key button is installed on an internal display. A consumer successively searches the advertisement contents through the internal display. The consumer orders a product by pressing the s selection button. |
