Touch probe using microwave transmission

Details Touch probe using microwave transmission Touch probe using microwave transmission

1984-04-16

1987-06-09

Eisenzopf, Reinhard J.

Geometrical instruments

Gauge

Pivoted probes

33561, 340707, 340531, G01B 322, G08B 108

Patent

active

046709894

ABSTRACT:
Automated gaging apparatus for use with a machine tool system is disclosed. In a preferred embodiment, the apparatus is adapted for use with a touch probe and includes circuitry for frequency shift keying a subcarrier signal responsive to contact occurring between the touch probe and a workpiece. The subcarrier is used to switch a source of microwave radiation, such as a Gunn diode oscillator, on and off at the shifted frequency. The microwave signal is detected by a remote receiver, and the detected signal is coupled to the controller for the machine tool system for use in gaging the workpiece.

REFERENCES:
patent: 2934760 (1960-04-01), Lichtman
patent: 3670243 (1972-06-01), Fougere et al.
patent: 3701053 (1972-10-01), de Rubinat
patent: 3942170 (1976-03-01), Whyte
patent: 4090135 (1978-05-01), Farstad et al.
patent: 4118871 (1978-10-01), Kirkham
patent: 4130941 (1978-12-01), Amsbury
patent: 4328623 (1982-05-01), Juengel et al.
patent: 4401945 (1983-08-01), Juengel
patent: 4477976 (1984-10-01), Suzuki
"Communications au moyen de Gunnplexer" 2198 Toute l'Electronique, 1983/France.
"A Microwave Modulation Telemetering System" National Telemetering Conference Report, May 1960.

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