Coating apparatus – Control means responsive to a randomly occurring sensed... – Responsive to condition of coating material
Patent
1981-09-04
1983-08-09
Pianalto, Bernard D.
Coating apparatus
Control means responsive to a randomly occurring sensed...
Responsive to condition of coating material
118657, G03G 1508
Patent
active
043972659
ABSTRACT:
Disclosed is a particle level sensing apparatus which comprises a particle container at least two electrodes disposed at a predetermined position in the container for providing a capacitance therebetween, an element for detecting a change in the capacitance which occurs depending on whether or not the particles are present between the electrodes, and an element for imparting vibration to at least one of the two electrodes thereby preventing adhesion of the particles to the electrodes.
REFERENCES:
patent: 3834806 (1974-09-01), Whited
Hitachi , Ltd.
Pianalto Bernard D.
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