B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
203/103, 354/25
B65H 7/00 (2006.01) B07C 1/02 (2006.01) B07C 5/00 (2006.01) G06K 13/067 (2006.01)
Patent
CA 1175940
Abstract of the Disclosure The present invention relates to a mail-article processing apparatus, and more particularly to a mail-article tracing apparatus for use in an automatic mail-handling system. In a prior art mail-article tracing method, a number of detectors such as photo-electric detectors are provided along a mail transport path to have a predetermined distance between adjacent mail detectors and plural registers are also provided corresponding to the plural mail detectors, respectively. There is another prior art mail-article tracing method reducing the number of the mail detectors in which a series of several mail detectors are omitted and a timer circuit is provided to pro- duce a psuedo mail detecting signal. According to increasing numbers of omitted mail detectors, the timing error is extended. The object of the present in- vention is to provide a mail-article tracing apparatus which consists of only two mail detectors provided at an entrance and an exit of a transport path. According to the present invention, there is provided a mail-article tracing apparatus which comprises two mail detectors provided at an entrance and an exit of a transport path, means for producing order codes representing trans- port orders at the entrance and the exit, respectively, means for measuring transport intervals between two adjacent transported mail-articles at the entrance and the exit, respectively, memory means for storing data expressing the transport intervals as addressed by the order codes at the entrance and the exit of the transport path, respectively, and means for comparing the transport interval data at the entrance of transport path read out from the memory means with that at the exit of transport path.
386859
Nippon Electric Co. Ltd.
Smart & Biggar
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