Electricity: measuring and testing – Magnetic – Displacement
Patent
1979-12-04
1983-02-01
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
128777, G01B 714, A61B 510
Patent
active
043718361
ABSTRACT:
In an exemplary embodiment, a field generator preferably a magnetic field generator which generates a defined irregular field is arranged directly on the body or at an interval thereto, pickups independent of the body are arranged at an interval from the field generator, said pickups having field-flux-dependent sensor elements for sensing a field flux or, respectively, a change of field flux during a measurement, and an electronic circuit obtains and evaluates electric signals arising in a field flux or, respectively, a field flux change. The sensor elements of the pickups or, respectively, the reference points of the pickups decisive for sensing the field flux or the change of field flux are arranged in such manner that they form the corner points of a cuboid. Thereby, the field generator is arranged within a space determined by the cuboid. The device is particularly provided for use in dental medicine, namely for sensing the lower jaw movement of a patient.
REFERENCES:
patent: 3027951 (1962-04-01), Knapp et al.
patent: 3439358 (1969-04-01), Salmons
patent: 3652927 (1972-03-01), Uemura
patent: 4197855 (1980-04-01), Lewin
Nickel Bernd
Schorr Wolfgang
Siemens Aktiengesellschaft
Snow Walter E.
Strecker Gerard R.
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