SIGNAL SUPPLY DEVICE AND SYSTEM

PROBLEM TO BE SOLVED: To provide a signal supply device capable of preventing a device body from being damaged when one or a plurality of instruments are not connected. SOLUTION: The signal supply device comprises one or a plurality of connectors 5 for connecting one or a plurality of cables, a main...

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Bibliographische Detailangaben
Hauptverfasser:	TERAJIMA TAKAO, KANEKO TAKEKATSU, FUJIEDA TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PHYSICS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a signal supply device capable of preventing a device body from being damaged when one or a plurality of instruments are not connected. SOLUTION: The signal supply device comprises one or a plurality of connectors 5 for connecting one or a plurality of cables, a main microcomputer 3 for supplying a signal to the one or the plurality of the connectors 5, a relay 16 for switching on/off the supply of the signal from the microcomputer 3 to the one or the plurality of the connectors 5, and a standby microcomputer 2 for controlling on/off of the relay 16. The computer 2 judges whether or not the one or the plurality of the instruments are connected to the one or the plurality of the connectors 5 to set the relay 16 to on when connected while the relay 16 is set to off when not connected. COPYRIGHT: (C)2005,JPO&NCIPI