Thread detector assembly

Details Thread detector assembly Thread detector assembly

1990-08-13

1992-03-17

Spar, Robert J.

Check-actuated control mechanisms

Control mechanism actuated by check, other than coin , which...

Having means to read magnetically encoded check

209534, G07F 704

Patent

active

050960385

ABSTRACT:
A thread detector assembly for detecting an activated, elongate thread which is integral with a sheet comprises an elongate detector or set of detectors. A conveyor is provided to cause relative movement between a sheet and a detector. The detector or detectors extend at an acute angle to the thread in use whereby the thread is presented successively to different parts of the detector or detectors.

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