MOUSE WITH PHOTODISPLAY DEVICE, HOST FOR TRANSMISSION/ RECEPTION WITH MOUSE WITH PHOTODISPLAY DEVICE AND PROGRAM FOR CONTROLLING MOUSE WITH PHOTODISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To use a mouse for telling the occurrence of an event in a host to be immediately told in an immediately detectable and easily understandable manner. SOLUTION: The mouse B with a photodisplay device comprises a photodisplay part 1. The photodisplay part 1 consists of at least one light emission part 71, and the light emission part 71 has a light emitting element inside for emitting a light. The occurrence of the event in the host is told by the light emission of the light emission part 71. For example, the reception of an e-mail from the host is told by the light emission. The occurrences of plural events are also told by varying light emitting conditions. By the light emission of the mouse being always used on hand, the occurrences of the events in the host can be immediately told in an easily understandable manner.