TWI320916B - - Google Patents

Info

Publication number

TWI320916B

TWI320916B TW95142718A TW95142718A TWI320916B TW I320916 B TWI320916 B TW I320916B TW 95142718 A TW95142718 A TW 95142718A TW 95142718 A TW95142718 A TW 95142718A TW I320916 B TWI320916 B TW I320916B

Authority

TW

Taiwan

Prior art keywords

light

securities

identification device

emitting diode

lens

Prior art date

2006-11-17

Links

• Espacenet
• Global Dossier
• Discuss

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