Electrical resistors – Resistance value responsive to a condition – Magnetic field or compass
Patent
1980-10-14
1982-03-30
Albritton, C. L.
Electrical resistors
Resistance value responsive to a condition
Magnetic field or compass
323368, 324117H, 335298, H01L 4304
Patent
active
043227090
ABSTRACT:
An adjustable flux generator used in conjunction with a Hall effect switch, comprising a coil and a magnetic circuit including an adjustable core. The coil produces a field of magnetic flux in response to the presence of an electrical current which is transmitted via the magnetic circuit to the Hall effect switch. The adjustable core is disposed to be manually adjusted to control the amount of magnetic flux delivered to the Hall effect switch. When the flux exceeds the Hall switch operate point the switch produces an output signal.
REFERENCES:
patent: 3369206 (1968-02-01), Lundkvist
patent: 3781735 (1973-12-01), Haas
patent: 4218626 (1980-08-01), Fukuda et al.
Petkewicz Frank J.
Vonder David L.
Albritton C. L.
Black Robert J.
GTE Automatic Electric Labs Inc.
Miologos Anthony
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