Device for producing an electrical pulse in response to passage

Details Device for producing an electrical pulse in response to passage Device for producing an electrical pulse in response to passage

1977-10-21

1978-09-05

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

323 94H, 324251, H01L 4304

Patent

active

041124081

ABSTRACT:
A magnetically conducting flux-by-pass member shunts the main magnetic circuit, so that it no longer affects a Hall generator therein, while at the same time it completes an auxiliary magnetic circuit containing an auxiliary permanent magnet that causes magnetic flux to pass through the Hall generator in the opposite direction. The reversal of the magnetic flux in the Hall generator upon insertion and again upon removal of the flux-by-pass member increases the amplitude of the Hall generator signal and steepens the rise and fall of the signal.

REFERENCES:
patent: 3340467 (1967-09-01), WhanHa
patent: 3340468 (1967-09-01), Chu
patent: 3845445 (1974-10-01), Brown et al.
patent: 4066962 (1978-01-01), Jaffe

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