Card detection device

摘要

A card detection device for a moving card in an instrument, characterised in that it comprises:
a reciprocating element moved by the said card from a first position to a second position when the said card is moved in the said instrument past the said reciprocating element;
an optical system that is triggered in response to the movement of the said reciprocating element from the said first position to the said second position;
and
a biasing means for restoring the position of the said reciprocating element from the said second position to the said first position after the said card has moved past the said reciprocating element ;
is disclosed, inter alia.