Electricity: magnetically operated switches – magnets – and electr – Permanent magnet-actuated switches – Plural switches
Patent
1977-10-25
1979-08-21
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Permanent magnet-actuated switches
Plural switches
335153, 340686, H01H 3600
Patent
active
041655010
ABSTRACT:
A position sensing system having one or more magnetically operated switches at predetermined spaced locations and a magnet attached to a carrier moving along a path adjacent thereto and as the carrier passes each switch, magnetically latching it in one condition until the carrier returns in the opposite direction and unlatches it. The switches may be unlatched open or latched closed, or any combination, as the carrier travels past the switches in one direction and shifted to the opposite condition when the carrier moves in the opposite direction.
REFERENCES:
patent: 4056979 (1977-11-01), Bongort et al.
patent: 4064755 (1977-12-01), Bongort et al.
Bongort Edgar A.
Cruickshank William T.
B/W Controls Inc.
Broome Harold
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