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Tiny wireless chip could link digital, physical worlds


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Wristband with memory spot

Wristband with Memory Spot
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Postcard with Memory Spot

July 2006

HP Labs researchers have developed a wireless data chip that could revolutionize the way you think about information stored on paper and other physical objects.

The tiny Memory Spot chip – less than half the size of a grain of rice -- makes it possible to attach digital information to any surface, object or document. So a seaside postcard could be accompanied by photos of your family at the beach. A wedding photo could contain excerpts of the wedding video or an audio recording of the ceremony.

Other possible applications for the experimental chip include hospital wristbands containing patient medical information or authentication tags for prescription drugs, costly electronic components and other frequently counterfeited items.

The chip is a read-write CMOS memory device, 2-4 mm square, with a built-in antenna and capacity of up to several megabits. With a 10 megabits-per-second (10Mbps) data transfer rate, it is 10 ten times faster than Bluetooth and comparable to Wi-Fi speeds.

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» HP Researchers Create Wireless Data Chip, Linking Physical and Digital Worlds

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Actual Memory Spot chip

Actual Memory Spot chip

Book with Memory Spot

Book with Memory Spot


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