Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1987-04-16
1988-06-28
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250561, G01N 904, G06M 700
Patent
active
047541342
ABSTRACT:
Two photoelectric switches on a path for coating stripping processing of a wire detect passages of an exposed core portion and a residual coating portion of a wire end respectively in a non-contact manner, to derive passage signals corresponding to the times of the passages. These passage signals are compared in length with each other, whereby a decision of effective stripping is made when the difference therebetween is larger than a prescribed value while a decision of defective stripping is made when the difference is smaller than the prescribed value.
REFERENCES:
patent: 4384303 (1983-05-01), Brenke et al.
patent: 4405233 (1983-09-01), Grau
patent: 4457622 (1984-07-01), Kato et al.
patent: 4605857 (1986-08-01), Ninomiya et al.
Ikeji Masahiro
Nakata Kenji
Nelms David C.
Oen William L.
Shin Meiwa Industry Co., Ltd.
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