Variable bandwidth low-pass filter for line tracer accuracy cont

Details Variable bandwidth low-pass filter for line tracer accuracy cont Variable bandwidth low-pass filter for line tracer accuracy cont

1985-01-22

1987-02-03

LaRoche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

318636, 318577, G05B 100, G05B 1933, G05B 2102

Patent

active

046410210

ABSTRACT:
In a circular scanning pattern tracing system having a sample and hold circuit, the width of the sample pulse is made adjustable. This variable width is equivalent to a variable low pass filter in the system. The effective cut off frequency of the filter is made dependent on the system tangential tracing velocity.

REFERENCES:
patent: 3727120 (1973-04-01), Jewell et al.
patent: 3883735 (1975-05-01), Murphy et al.

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