Lightweight dual-mode mobile scanner powered from a universal serial bus port
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United States of America Patent
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Oct 1, 2002
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app pub date -
Nov 2, 2000
filing date -
Sep 16, 1998
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Abstract
A portable dual-mode scanner device capable of being powered through a universal serial bus connection where the individual components of the portable scanner are selectively and controllably powered so as to function within the power limitations of the usb port (i.e., 5 Volts, 2.2 watts) without appreciable degradation of a captured image whether that image resides on a transparent media (i.e., a negative) or an opaque media (i.e., paper) is described.
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