Sewing machine position and speed sensing system

Details Sewing machine position and speed sensing system Sewing machine position and speed sensing system

1975-01-27

1976-08-03

Hunter, H. Hampton

Sewing

With tables or stands

For plural sewing units

D05B 6922

Patent

active

039722970

ABSTRACT:
Logic circuit device and frequency voltage converter connected to the impulse preparation device. A gate being interposed between voltage converter and the impulse preparation device. Comparator connected to the converter which compares its output to an adjustable reference voltage.

REFERENCES:
patent: 3761790 (1973-09-01), Daab
patent: 3815531 (1974-06-01), Wurst et al.
patent: 3881435 (1975-05-01), Makabe

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