Distance measuring device with transmitter

Details Distance measuring device with transmitter Distance measuring device with transmitter

1988-07-25

1989-08-01

Haroian, Harry N.

Geometrical instruments

Distance measuring

Single contact with a work engaging support

G01B 702

Patent

active

048522643

ABSTRACT:
An oscillator oscillates at a frequency determined by the distance moved by a probe. The probe in contact with an object under measurement, moves according to the displacement of the object. A controller computes the distance moved by the probe from a reference position at predetermined time intervals by using the shift of the oscillating frequency of the oscillator. The controller further decides if the computed distances are within a predetermined range. If the computed distances moved are within that range, the controller supplies the computed distance moved to a transmitter, which in turn wirelessly transmits the distance. When the computed distance moved is outside the predetermined range, the controller does not output the distance moved to the transmitter, nor does it supply the distance moved every four computations of the distance moved.

REFERENCES:
patent: 4130941 (1978-12-01), Amsbury
patent: 4160971 (1979-07-01), Jones et al.
patent: 4289382 (1981-09-01), Clark
patent: 4437240 (1984-03-01), Joengel

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