Externally-programable switch

Details Externally-programable switch Externally-programable switch

1978-07-03

1980-01-22

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

Plural switches

335207, H01H 900

Patent

active

041852605

ABSTRACT:
A magnetically-actuated switch has a stationary mounting base to which a plurality of magnetically-actuated reed-type switches are secured in a layer parallel to the base. A moveable portion of the switch is pivotably mounted to the mounting base, and contains a plurality of magnets positioned to actuate the reed-type switches in any desired sequence. A second layer of magnetically-actuated, reed-type switches is positioned, parallel to the mounting base, below the above-mentioned layer, and additional magnets are added to the moveable portion, to supplement the existing magnets, and increases the magnetic field in certain portions of the moveable portion to effect the lower layer of reed-type switches.

REFERENCES:
patent: 3441691 (1969-04-01), Newman et al.
patent: 3660789 (1972-05-01), Weisenburger
patent: 3685041 (1972-08-01), Kondur
patent: 3719887 (1973-03-01), Shimizu et al.
patent: 3804999 (1974-04-01), Hubbard

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