Card reader

Details Card reader Card reader

2008-01-25

2009-02-17

Le, Thien M. (Department: 2887)

Registers

Coded record sensors

Feed mechanisms

C235S379000, C235S380000, C235S445000

Reexamination Certificate

active

07490780

ABSTRACT:
A method is provided of operating a card reader having a substantially planar delivery path which lies in a first plane and which extends between a mouth region of the card reader and a data reader portion of the card reader. The method comprises projecting light across the planar delivery path and in a second plane which is substantially parallel to the first plane, detecting light which has been projected across the planar delivery path and in the second plane which is substantially parallel to the first plane, and generating a signal which is indicative of a foreign object being disposed in the planar delivery path in response to the amount of detected light being attenuated.

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