System for monitoring the movement of objects particularly the f

Details System for monitoring the movement of objects particularly the f System for monitoring the movement of objects particularly the f

1974-02-06

1981-05-19

Trafton, David L.

Communications: electrical

Condition responsive indicating system

Specific condition

340518, 340674, G08B 2100

Patent

active

042688256

ABSTRACT:
A system for monitoring the movement of objects through a predetermined path comprises a sensor producing electrical signals by the movement of the objects through the path, a measuring circuit producing a measurement of the rate at which the objects move through the path, presetting means for presetting a predetermined minimum rate, and an indicator indicating when the measured rate is below the preset predetermined minimum rate. The invention is described as embodied in a seed monitor attached to colter plough blades for monitoring the rate of feeding of the seeds. Also describes is an adapter unit which enables the number of sensors to be multiplied by time-sharing each measuring circuit with a plurality of sensors.

REFERENCES:
patent: 2371192 (1945-03-01), Short
patent: 2659881 (1953-11-01), Bogot et al.
patent: 3527928 (1970-09-01), Ryder et al.
patent: 3551672 (1970-12-01), Homer et al.
patent: 3704459 (1972-11-01), Young
patent: 3723989 (1973-03-01), Fathauer et al.
patent: 3739367 (1973-06-01), Fathauer

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