Abstract: In order to manage a transaction that is performed to resolve shortage of money in a store, a transaction management system that manages a transaction, in which depositing of money or money change is to be performed, is provided with: an input device configured to input transaction identification information set for the transaction that has been reserved; a money handling apparatus configured to count deposited money to performe the transaction; and a communication unit configured to transmit handling information based on at least one of the transaction identification information inputted by the input device, and depositing information obtained by counting the deposited money by the money handling apparatus, to another device via a network.

Abstract: In order to manage a transaction that is performed to resolve a shortage of money in a store, a transaction management system includes a mobile terminal to make a reservation for a transaction. The mobile terminal includes: a communication unit configured to communicate with another device to receive a message via a network, the message including information on a request for the transaction in which depositing of money or money change is to be performed, and on a benefit that is associated with the transaction and is to be given on condition that the transaction is completed; a display unit configured to display the message; and an operation unit configured to receive a reservation input for reserving the transaction in the message displayed on the display unit. The mobile terminal transmits information on the reservation inputted by using the communication unit via the network.

Abstract: A projector including an input unit which includes 1 (1 is a natural number) input ports and receives n (n is a natural number not more than 1) image signals supplied from n image-signal supplying devices, respectively via n input ports, a display unit which selects two image signals from the n image signals received by the input unit and displays images based on these two image signals respectively on a main window and a subwindow, and a notification unit which displays a notification image which gives notification about information regarding the two image signals, on a blank area of a image display area of the display unit.