Sheet alignment device having a display for indicating a reason

Details Sheet alignment device having a display for indicating a reason Sheet alignment device having a display for indicating a reason

1993-06-02

1995-01-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

377 8, 271251, G01N 2186

Patent

active

053810210

ABSTRACT:
An automatic banknote machine includes a selector for receiving rectangular sheets, in particular, banknotes, and for conveying them along for further processing. The selector comprises an input channel into which a bill is introduced, a conveying mechanism for conveying the bill along the input channel, the conveying mechanism including a device, e.g., a skewed roller, for pressing an edge of the bill against a lateral reference surface thereby aligning the bill in the input channel, and a mechanism for verifying the position of the bill as being pressed against the lateral reference surface once the bill has been brought completely into the input channel. In a preferred embodiment the mechanism for verifying the position of the bill comprises a pair of position detectors, such as photodetectors, which are placed in proximity to the reference surface but are spaced apart from one another by a distance which is less than the length of the smallest bill which will be processed by the automatic banknote machine- Only if both of the position detectors detect the presence of the bill at the same time will there be verification that the bill is aligned properly in the input channel.

REFERENCES:
patent: 4426073 (1984-01-01), Mizuma
patent: 4971309 (1990-11-01), Reid-Green
patent: 4977583 (1990-12-01), Gorgone
patent: 5162857 (1992-11-01), Higeta et al.

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