Optical rotating data transmission device with coupling slide
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United States of America Patent
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Jul 24, 2007
Grant Date -
Aug 31, 2006
app pub date -
Feb 10, 2006
filing date -
Aug 7, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for transmitting modulated optical signals between a first unit and a second unit, in which the first unit is supported to be rotatable or movable linearly relative to the second unit, comprises a light guide extending along a given track on the first unit, a first light coupler for coupling light into and out of the light guide, and a second light coupler disposed on the second unit and movable relative to the light guide for coupling light into and out of the light guide. A coupling slide is provided for supporting the second light coupler, and is mechanically loosely connected to the second unit via a take-up unit so that the coupling slide is moved along the given track together with the second unit by a movement of the second unit.
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