Fluid-Technical Assembly Having an Optical Waveguide
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United States of America Patent
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Issued Date -
Feb 11, 2010
app pub date -
May 12, 2007
filing date -
May 12, 2007
priority date (Note) -
Abandoned
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Abstract
A fluid power device comprises a state display unit (23) having a light source (24) concealed in the device and furthermore a light guide (25) to conduct light signals to a display zone (26). The light source (24) emits polychromatic light, which is so filtered by a color filter (42) that at the display zone a certain visible color of light appears.
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