Hall effect linear motion switch

Electrical resistors – Resistance value responsive to a condition – Magnetic field or compass

Patent

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Details

335 2, H01L 4304, H01L 4306

Patent

active

040619885

ABSTRACT:
A contactless linear motion switch has a housing and a Hall effect sensing circuit positioned within the housing. A plunger carrying a permanent magnet moves within the housing toward and away from the Hall effect sensing circuit. A concentrator is positioned within the housing and has a portion positioned adjacent the Hall effect sensing circuit and a further portion positioned in contact with the permanent magnet when the magnet is positioned away from the Hall effect sensing circuit.

REFERENCES:
patent: 3571774 (1971-03-01), Hubrich
patent: 3673537 (1972-06-01), Greger

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