Motor starter with optically coupled pushbutton station

Details Motor starter with optically coupled pushbutton station Motor starter with optically coupled pushbutton station

1981-07-10

1982-11-16

Weldon, Ulysses

Electricity: motive power systems

Supplied or controlled by space-transmitted electromagnetic...

318480, 250214SW, H04Q 702

Patent

active

043596720

ABSTRACT:
A motor starter includes a line contactor having a coil connected to a control circuit. The control circuit includes one or more remote pushbutton stations which are connected in a control loop by fiber optic tubes. Operation of the motor can be controlled separately from each pushbutton station.

REFERENCES:
patent: 3511999 (1970-05-01), Pelenc
patent: 3999074 (1976-12-01), Callaghan
patent: 4058735 (1977-11-01), Tippner
patent: 4089584 (1978-05-01), Polczynski
patent: 4117460 (1978-09-01), Walworth et al.

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