Electronic digital gauge

Details Electronic digital gauge Electronic digital gauge

1975-12-08

1977-07-26

Gruber, Felix D.

Registers

Transfer mechanism

Traveling pawl

73345, 73362SC, 73398R, G01K 710, G01L 118

Patent

active

040385329

ABSTRACT:
The invention disclosed herein provides an electronic digital gauge for measuring the magnitude of different physical characteristics. A plurality of transducers are provided having different signal voltage output characteristics including a stand off voltage. A plurality of adjustable compensating scaling means each provide matching calibrated outputs proportional to the changing signal voltage and to the stand off voltage of a given transducer. The scaling means comprises resistive voltage divider networks including potentiometers which are calibrated in conjunction with a conventional analog to digital conversion and display means having an input which receives the calibrated outputs. The display means provides a digital read out generally equal to the magnitude of the characteristic measured by one of the transducers. Interlocking switching means for connecting one of the calibrated outputs to the input, and an adjustable data update timer for controlling the time period for viewing the digital read out are also provided.

REFERENCES:
patent: 3383920 (1968-05-01), Greenly
patent: 3459925 (1969-08-01), Goosey et al.
patent: 3777568 (1973-12-01), Risgin et al.
patent: 3837224 (1974-09-01), Ream, Jr.
patent: 3873857 (1975-03-01), Farrish
patent: 3895356 (1975-07-01), Kraus
patent: 3920969 (1975-11-01), Berglas
patent: 3982110 (1976-09-01), Kawai

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