Indicating device in measuring machine

Details Indicating device in measuring machine Indicating device in measuring machine

1984-06-28

1986-12-09

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Measuring or testing

377 30, 377 45, 307247A, G01D 700, G06M 312

Patent

active

046285210

ABSTRACT:
An indicating device in a measuring machine in which the flickering of an indicated value due to vibrations of the machine and the like is avoided. The indicating device includes a flickering sensing circuit for receiving up signals or down signals outputted from an encoder as input signals thereto and sensing the change in the signals from the up signals to the down signals and vice versa. When the change in the signals is sensed by this flickering sensing circuit, a hold signal having a predetermined period of time is outputted from a hold circuit, whereby renewing storage of counted values from the counter by a latch circuit is interrupted for a predetermined period of time.

REFERENCES:
patent: 3471852 (1969-10-01), Floyd
patent: 3982107 (1976-09-01), Butler
patent: 4266215 (1981-05-01), Adams
patent: 4476567 (1984-10-01), Johnson
patent: 4528682 (1985-07-01), Nakaoki
patent: 4532643 (1985-07-01), Thompson

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