TELEVISION WITH BUILT-IN DISK LOADER, AND DISK PRESENCE DISPLAY DEVICE
PROBLEM TO BE SOLVED: To eliminate the risk of erroneously recognizing disk presence even when the presence of a disk is displayed by one light emitting element. SOLUTION: In the television with the built-in disk loader of a slot-in type for causing an LED1 to emit light by a pulse signal output fro...
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Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To eliminate the risk of erroneously recognizing disk presence even when the presence of a disk is displayed by one light emitting element. SOLUTION: In the television with the built-in disk loader of a slot-in type for causing an LED1 to emit light by a pulse signal output from the output terminal T1 of a microcomputer 17 in a power-OFF state and turning ON power by inserting a disk 14 to block the light of the LED1, when the power is turned OFF and the disk 14 is not inserted, when the pulse signal of "L/H" is input to the input terminal T2 of the microcomputer 17 from a disk detection section 16, a display control signal fixed to "L" is output from an output terminal T3. By this display control signal, a light emitting diode LED2 is turned OFF without blinking, and the absence of a disk in a slot 4 is accurately informed. COPYRIGHT: (C)2007,JPO&INPIT |
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