Patent ID: 6637577
Filing Date: 2003-10-28
Classification: G06K,G07D

Abstract:
A banknote scope comprising a lightproof cartridge and a circuit control-detecting device, wherein a light-emitting component of said circuit control-detecting device is positioned within the inside of the lightproof cartridge, said lightproof cartridge having a gap-detecting channel so that a light ray emitted from the circuit control-detecting device exactly shines on the gap-detecting channel via a detecting window, the lightproof cartridge having a sight-glass positioned opposite the detecting window for observation by a user, said lightproof cartridge having a through-hole formed therethrough, a switching button of said circuit control-detecting device projecting through said through-hole, a graded slot being formed within said lightproof cartridge adjacent said through-hole for selectively and releasably maintaining said switching button in a closed state.