AUTOMATIC POWER SUPPLY BREAKING SYSTEM FOR INFORMATION PROCESSING SYSTEM

AUTOMATIC POWER SUPPLY BREAKING SYSTEM FOR INFORMATION PROCESSING SYSTEM

PURPOSE:To prevent a misbreaking action of a working system power supply by cutting off the power supply of an information processing system by the output of an AND gate. CONSTITUTION:A power supply switch 2 is kept off after a system starts its working with the make of a power supply. An inverse ou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SAKURAGI MASANORI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:PURPOSE:To prevent a misbreaking action of a working system power supply by cutting off the power supply of an information processing system by the output of an AND gate. CONSTITUTION:A power supply switch 2 is kept off after a system starts its working with the make of a power supply. An inverse output terminal 71 of a latch circuit 7 is set at '0' by the under-working signal. Thus, the AND conditions of an AND gate 9 are not satisfied although the power supply cut-off signal delivered when the switch 2 is turned off is kept at '1'. Then no power supply cut-off signal is sent to a power supply control unit 3. Then '1' is delivered to the terminal 71 of the circuit 7 by resetting the under-working signal when a job is over. Thus the power supply is cut off.