Capacitive article density monitor

Details Capacitive article density monitor Capacitive article density monitor

1984-12-03

1986-01-28

Shoop, Jr., William M.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318341, 318662, 318652, 318646, 324 61R, 198341, 34087037, H02P 500, B65G 4300

Patent

active

045674108

ABSTRACT:
A capacitance article density monitor which is adjusted to have a zero voltage output when no articles are positioned adjacent a sensor and wherein the output of the circuit may be utilized directly to control a variable speed drive for a machine to which articles are being directed depending upon the density of such articles in a conveying area in advance of the machine. This abstract forms no part of the specification of this application and is not to be construed as limiting the claims of the application.

REFERENCES:
patent: 3684961 (1972-08-01), Muir
patent: 3857092 (1974-12-01), Meyer
patent: 4158171 (1979-06-01), Abbe et al.
patent: 4323829 (1982-04-01), Witney et al.
patent: 4394896 (1983-07-01), McComas et al.
patent: 4423417 (1983-12-01), Tanaka et al.
patent: 4437055 (1984-03-01), Meyer
patent: 4459702 (1984-07-01), Medwin
patent: 4504832 (1985-03-01), Conte

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