Electronic gear checker

Details Electronic gear checker Electronic gear checker

1980-10-01

1982-03-30

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33174L, 364570, G01B 700, G01B 728, G01B 730

Patent

active

043217532

ABSTRACT:
A functional gear checking machine for determining a number of gear characteristics from a composite input signal received from a linear voltage differential transformer is disclosed. The signal from the sensing transformer is coupled to a demodulation circuit which, in turn, is coupled to several types of signal processing circuits, each of which contains a memory, and each of which processes and separates the components of the composite signals in order to provide output signals that are indicative of the desired gear characteristics. The output signals that are developed are a function of the voltage between two reference levels, at least one of which is established by the associated signal processing circuit.

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"Digital Logic Handbook 1973-1974", 1973, pp. 328, 329.

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