Coating apparatus – Control means responsive to a randomly occurring sensed... – Condition of coated material
Patent
1981-06-29
1982-09-28
Hoffman, James R.
Coating apparatus
Control means responsive to a randomly occurring sensed...
Condition of coated material
118670, 118672, 324133, G01R 1900
Patent
active
043512631
ABSTRACT:
An apparatus for detecting bare metal on a conductive strip which is coated with an insulative material includes sensors arranged near the edges of and on both sides of the strip. Each sensor includes a plurality of electrical contacts, one of which is grounded and the others of which are voltage biased. When one or more voltage biased contacts in one sensor are electrically connected to the grounded contact in another sensor, bare metal is indicated.
REFERENCES:
patent: 4126510 (1978-11-01), Moscony et al.
Alleman Raymond A.
Miller Dennis L.
Rarig Larry L.
Hallacher Lester L.
Hoffman James R.
Irlbeck Dennis H.
RCA Corporation
Whitacre Eugene M.
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