COLLECTIVE CRADLE OF RETRIEVAL TYPE KARAOKE MUSIC SELECTION REMOTE CONTROL

摘要

PPROBLEM TO BE SOLVED: To make realizable a processing for updating music databases of many retrieval type karaoke music selection remote controllers from a karaoke device through a cradle by an efficient and reliable mechanism with a configuration which is totally inexpensive as much as possible. PSOLUTION: The cradle is equipped with a plurality of remote control connection connectors C1 to C3 for connecting remote controllers 2 respectively, a source connection connector C4 for connection with the karaoke device 3 or a data sender of another collective type cradle, a target connection connector C5 for connection with a receiver of the other collective type cradle, etc., a switching circuit 4 which is connected to the respective connectors C1 to C5 by internal wires, and a mark means for making a remote controller 2 connected to one specified remote controller connection connector C1; and the switching circuit 4 is brought under switching control with a switching control signal supplied to the connector C1 from the outside to connect the collector C1 selectively to one of the other connectors C2 to C5. PCOPYRIGHT: (C)2003,JPO