Driver device for reed switch and structure of mounting reed swi

Details Driver device for reed switch and structure of mounting reed swi Driver device for reed switch and structure of mounting reed swi

1994-04-14

1996-07-16

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

Plural magnets

335151, 335 68, H01H 900

Patent

active

055370861

ABSTRACT:
A driver device for a reed switch includes a reed switch including first and second reed pieces; a first magnet for magnetizing the first reed piece so as to have a specific magnetic polarity; a rotary member located close to the second reed piece; a second magnet, fixed to the rotary member, having different magnetic poles arranged in the circumferential direction, the second reed piece being located to face the second magnet.

REFERENCES:
patent: 3685041 (1972-08-01), Kondur, Jr.
patent: 3735298 (1973-05-01), Colby
patent: 5054570 (1991-10-01), Naito et al.
patent: 5072164 (1991-10-01), Pruis et al.
patent: 5293523 (1994-03-01), Posey

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