Electronic proximity switch dependent upon a magnetic field

Details Electronic proximity switch dependent upon a magnetic field Electronic proximity switch dependent upon a magnetic field

1991-02-05

1993-08-24

Pellinen, A. D.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

32420716, 32420726, 336178, 34087036, H01H 3500, G01B 714, G08C 1906

Patent

active

052392040

ABSTRACT:
An electronic proximity switch dependent upon a magnetic field includes an HF resonant circuit adapted to be influenced by an approaching magnetic trigger. A coil arrangement includes a member drivable into magnetic saturation, with the member including an amorphous or predominantly amorphous metallic band of high permeability. A coil bobbin for accommodating the resonant circuit coil and the drivable member is made of a synthetic resin enriched with a pulverulent permeable material.

REFERENCES:
patent: 4011510 (1977-03-01), Olsen
patent: 4719362 (1988-01-01), Nest et al.
patent: 4841163 (1989-06-01), Mueller

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