Method and apparatus for testing the operability of a probe

Details Method and apparatus for testing the operability of a probe Method and apparatus for testing the operability of a probe

1985-06-06

1987-09-15

Noland, Tom

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

364474, 33555, 33558, 340514, 340636, 340680, G01D 1800, G01M 1900, G01B 1100

Patent

active

046931104

ABSTRACT:
The present invention is directed to an apparatus and method of testing the operability of probes used in performing workpiece probing operations. According to the preferred embodiment of the present invention, the probe has a first circuit for generating a first signal, the first signal inducing the probe to generate a second signal. A second circuit is provided for receiving the second signal. The second circuit is adapted to generate a third signal indicative of the operability of the probe when the second signal is received. In the preferred embodiment, an infrared signal is delivered by the apparatus to the probe causing the probe to emit an infrared signal. The infrared signal emitted by the probe is then used by the apparatus to generate an electrical signal indicative of the operability of the probe.

REFERENCES:
patent: 3539912 (1970-11-01), Wardle
patent: 4153998 (1979-05-01), McMurtry
patent: 4163938 (1979-08-01), Moore
patent: 4276698 (1981-07-01), Dore et al.
patent: 4339714 (1982-07-01), Ellis
patent: 4380873 (1983-04-01), Ayres et al.
patent: 4401945 (1983-08-01), Juengel
patent: 4437240 (1984-03-01), Juengel et al.
patent: 4447958 (1984-05-01), Tanaka
patent: 4509266 (1985-04-01), Cusack
patent: 4521769 (1985-06-01), Dudeck et al.
patent: 4548066 (1985-10-01), Martinez et al.

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