Emergency power shutdown system for educational laboratory

Details Emergency power shutdown system for educational laboratory Emergency power shutdown system for educational laboratory

1980-12-22

1983-03-29

Rubinson, G. Z.

Electrical transmission or interconnection systems

Personnel safety or limit control features

361182, 307115, G08C 1700

Patent

active

043785077

ABSTRACT:
The emergency power shutdown system is especially adapted for use in an educational laboratory containing a plurality of items of potentially dangerous educational equipment. The system includes a portable transmitter unit adapted to be carried by the instructor in the laboratory and a control unit having a receiver fixedly mounted in the laboratory and capable of receiving the RF signal from the transmitter unit to actuate a relay-operated power shutdown unit to stop the flow of power through the system upon receipt of the RF signal from the instructor. The system provides for faster shutdown of the power supply system in an emergency situation, reducing the chance of injuries during operation of the potentially dangerous equipment.

REFERENCES:
patent: 3454927 (1969-07-01), Dame et al.

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