Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
Inventor
active
Apparatus and method for a switching power supply with a power s
Bill acceptor
Method and apparatus for optical sensor system and optical inter
Method and apparatus for optical sensor system and optical...
Optical sensor for monitoring the status of a bill magazine in a
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Profile ID: LFUS-PAI-P-771991