Compact reed switch relay

Details Compact reed switch relay Compact reed switch relay

1975-04-21

1976-04-06

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Vacuum or hermetically sealed type

335177, 335183, H01H 5127

Patent

active

039493342

ABSTRACT:
A remarkably compact reed-switch relay having a U-shaped core comprised of two separate areas of remanent magnetic material and controlled by a first coil encircling the bight of the core and by a second coil encircling both legs of the core. Reed switches are positioned within the second coil and in proximity to the legs of the core, the switches being disposed with their magnetic axes substantially parallel to the core legs so that energization of the first coil causes orientation of the remanent core flux in a manner opening the switches and latching them open, while energization of the second coil closes the switches and orients the remanent core flux to latch them closed.

REFERENCES:
patent: 3056868 (1962-10-01), Jacobson et al.
patent: 3775712 (1973-11-01), Launt

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