Optical disk pickup using current mode signal exchanges and systems and methods using the same
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United States of America Patent
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Apr 18, 2006
Grant Date -
Apr 1, 2004
app pub date -
Sep 18, 2003
filing date -
Oct 30, 2000
priority date (Note) -
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Abstract
An optical disk pickup system includes an array of photodiodes 101 for converting photons reflected from an optical disk into a plurality of electrical signals each representing a channel. Driving circuitry 407, 408 drives at least one of the electrical signals as a current across a conductor of a flexible cable 403. A low impedance load 404 converts the electrical signal driven across the conductor as a current into a voltage for further processing.
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