Actuator apparatus

Details Actuator apparatus Actuator apparatus

1975-12-19

1977-01-04

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

323 94H, H01L 4300, H01L 4302

Patent

active

040017559

ABSTRACT:
Actuator apparatus comprising a metal body or magnet adapted to be carried in a fixed cyclical path on a pivot arm which in turn is adapted to be actuated over a wide frequency range by a second resiliently mounted pivot arm in tandem, and further comprising a field-sensitive element (such as a reluctance effect element, Hall effect device, proximity switch, reed switch or the like) in proximity to the path of the body for path-responsive high fidelity control of an operation such as switching, the field-sensitive element being sensitive to discrete change in magnetic force caused by the cyclical movement for production of an electronic control signal or pulse in phase with each cycle.

REFERENCES:
patent: 2500953 (1950-03-01), Libman
patent: 3571774 (1971-03-01), Hubrich
patent: 3676828 (1972-07-01), Masuda et al.
patent: 3680025 (1972-07-01), Kobayashi

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