transmitting device, receiving device, system, operating method of a transmitting device, and operating method of a receiving device

摘要

the present disclosure discloses a transmission device (100), a receiving device (200) and methods of operating the devices. the transmitting and receiving devices (100, 200) each comprise a local database (102, 202) configured to store a plurality of images received from a central database (302), each image having a code associated unique identifier. a control unit (104) of the transmission device (100) is configured to receive a request to retrieve a unique identifier code associated with an image stored in its local database (102), retrieve from the local database (102) the unique identifier code associated with the image, and transmit the recovered unique identifier code (200) to the receiving device. a control unit (204) of the receiving device (200) is configured to receive the transmitted unique identifier code and retrieve from its local database (202) a corresponding image associated with a stored unique identifier code corresponding to the unique identifier code Received.