Electricity: measuring and testing – Magnetic – Displacement
Patent
1984-11-28
1987-02-24
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
33DIG1, 73188, 324254, G01B 730, G01W 100, G01R 3304
Patent
active
046460110
ABSTRACT:
In a contact-less electronic angular-position transmitter having a turnable magnet (5), sensor coils (11, 12) arranged at right angles to each other are provided on a toroidal core (9), common to all sensor coils, of a magnetic-field detector formed in accordance with the flux-gate principle in order to determine the angular position. The angular-position transmitter is preferably arranged, together with the turnable magnets and the turnable core having the sensor coils, in a housing (1) which shields them from the terrestrial field. In the said housing, the inner space (2), within which the magnet can turn, is hermetically separated from an inner space (3) in which the toroidal core (9), together with the sensor coils and the electronic system (15-19) is arranged.
REFERENCES:
patent: 3364740 (1968-01-01), Wong
patent: 3893337 (1975-07-01), Jones
patent: 4277751 (1981-07-01), Lawson et al.
patent: 4283679 (1981-08-01), Ito et al.
patent: 4525670 (1985-06-01), Miyagawa et al.
Faber Martin A.
Strecker Gerard R.
VDO Adolf Schindling AG
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