Electricity: magnetically operated switches – magnets – and electr – Permanent magnet-actuated switches – Plural switches
Patent
1975-03-07
1976-08-24
Envall, Jr., R. N.
Electricity: magnetically operated switches, magnets, and electr
Permanent magnet-actuated switches
Plural switches
200 84C, 73313, H01H 3518, G01F 2310
Patent
active
039769631
ABSTRACT:
A switching magnet is moveable along a row of magnetically operated switches and closes at least one switch opposite the magnet, which switches on a tap of a series circuit of resistors. The value of resistance is converted in an uninterrupted manner into an output of measured values dependent upon the position of the switching magnet.
REFERENCES:
patent: 3377537 (1968-04-01), Brailsford
patent: 3505869 (1970-04-01), Crawford
patent: 3656074 (1972-04-01), Bevilacqua et al.
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