| 摘要 |
The present invention provides an entertainment system, which enables discrimination between the types of interchangeable operation devices. A connector 221 of the operation device of the present invention is provided with a plurality of recesses 802, 803, 804 in the outer peripheral surface, and a connecting portion of the main body is provided with a plurality of metal projections respectively engaging the recesses 802, 803, 804. The connector 221 has a metal plate 805, which is exposed to the insides of the recesses 803, 802. A supplying portion of the main body supplies a predetermined potential to a first metal projection engaging the recess 803, thereby supplying the potential to the metal plate 805. Further, a detecting portion of the main body determines whether or not the potential of a second metal projection engaging the recess 802 is equal to the first-mentioned potential, thereby discriminating whether or not the connected device is the above-mentioned operation device <IMAGE> |
