Frequency and speed display device

Details Frequency and speed display device Frequency and speed display device

1980-08-25

1983-04-19

Krawczewicz, Stanley T.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

340670, 364565, G01P 348, G01P 354

Patent

active

043807330

ABSTRACT:
A device senses changes in a frequency or speed to be displayed. A display control circuit controls the time interval for updating the display, according to the magnitude of a sensed change in the frequency or speed, thereby avoiding flickering of the display, as well as improving the accuracy and up-to-dateness of the frequency or speed displayed.

REFERENCES:
patent: 3885873 (1975-05-01), Andermo
patent: 4125295 (1978-11-01), Ruhnau et al.

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