| 摘要 |
The present invention relates to digital signage. Provided are a digital signage system and a digital signage method which allow a user to see additional information on an advertisement by a sub-digital information device (DID) while the user is moving by displaying an main advertisement on a master DID according to a playing schedule and displaying additional information on the main advertisement on the sub-DID when people′s approach or movement is detected. [Reference numerals] (100) Master DID; (200) Communication network; (300) Service providing device; (410-1) Sub DID # 1; (410-2) Sub DID # 2; (410-n) Sub DID # n; (420-1,420-2,420-n) Sensor; (AA,BB) Advertisement + additional information; (CC) Additional information |
