Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1978-12-14
1980-10-21
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250561, G01N 2130
Patent
active
042296501
ABSTRACT:
A position detecting device for detecting the upper end position of stacked sheet members which are cut into a determined size, transported by a conveyor and successively stacked on a sheet stacking table. Said detecting device is positioned across a transport path of said sheet member in such a manner as to detect the upper end position of sheet members successively stacked on said sheet stacking table.
REFERENCES:
patent: 2617048 (1952-11-01), Wagner et al.
Masaki Hisaji
Takahashi Yuji
Canon Kabushiki Kaisha
Hostetter Darwin R.
Nelms David C.
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