Automated banking machine multiple sheet detector apparatus...

Details Automated banking machine multiple sheet detector apparatus... Automated banking machine multiple sheet detector apparatus...

2007-11-06

2007-11-06

Caputo, Lisa (Department: 2876)

Registers

Systems controlled by data bearing records

Credit or identification card systems

C235S379000

Reexamination Certificate

active

11171648

ABSTRACT:
A detector for a deposit accepting apparatus of an automated banking machine includes an ultrasonic transmitter driven by a driving signal operative to cause the ultrasonic transmitter to transmit an ultrasonic sound signal through a sheet pathway of the detector. The detector also includes an ultrasonic receiver operative to generate a receiver signal responsive to the ultrasonic sound signal. The detector further includes first and second correlation filters. The first and second correlation filters are operative to generate first and second outputs responsive to the receiver signal. At least one processor is operative responsive to the first and second outputs of the correlation filters to determine information associated with changes in phase of the ultrasonic sound signal and to distinguish between single and multiple sheets in the pathway responsive to the information associated with changes in phase.

REFERENCES:
patent: 5945602 (1999-08-01), Ross
patent: 2003/0006550 (2003-01-01), Chujo et al.
patent: 2004/0075213 (2004-04-01), Obama et al.

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