Apparatus for detecting the position of a probe relative to a wo

Details Apparatus for detecting the position of a probe relative to a wo Apparatus for detecting the position of a probe relative to a wo

1981-04-30

1983-08-30

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

324236, 340652, 33174L, 331 65, 340686, G01B 714, G08B 2300, G05D 0000

Patent

active

044019459

ABSTRACT:
Apparatus for detecting the position of a probe relative to a workpiece, for example probe contact with the workpiece, is disclosed. The apparatus includes a transducer for converting probe contact to an electrical signal and a plurality of light emitting semiconductors for wirelessly transmitting an indication of the occurrence of the signal via infrared radiation. The apparatus is capable of operation with either a mechanical switch type probe transducer or a current measuring transformer type probe transducer. The apparatus is easily adapted to transmit the occurrence of probe contact by either amplitude modulation or frequency modulation of the emitted infrared radiation.

REFERENCES:
patent: 3783340 (1974-01-01), Becker
patent: 4153998 (1979-05-01), McMurtry
patent: 4197021 (1980-04-01), Laue

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