Multi-layered data storage card

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20040218518A1
SERIAL NO

10862966

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A multiple layer data storage card for storage of machine-readable information includes an optical memory area subjected to optical information recording and reproduction, comprising, a card-like card body, an optical recording portion provided on said card body, and optionally a conventional magnetic data stripe area, and a smart card IC area. The optical memory area including an optionally pre-recorded data area and a recordable area all with pre-grooved track segment arrangement for logical data recording and retrieving.

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Patent Owner(s)

Patent OwnerAddress
DCARD INC560 VALLEY WAY MILPITAS CA 95035

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
King, Francis K San Jose, CA 25 217
Liu, Jeffrey San Jose, CA 23 167

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