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US 2009/0154936 A1Published application
Machine with optical communication from a first machine part to a second machine part which rotates relative to the first machine part
AssigneeSiemens Aktiengesellschaft
InventorsHubert Schierling, Richard Schmidt, Ulrich Wetzel
Life of this patent
Estimating the term…
Abstract
To enable signals to be transmitted from a fixed machine part to a machine part opposite same which rotates on a hollow shaft or vice versa, light must be able to be transmitted or received over the entire circumference. This is achieved by using an optical waveguide which, unlike conventional optical waveguides, is designed to couple out some of the light passing through it and, conversely, to allow light to enter, at any locations on its circumference.
Claims21
-8. (canceled)
A machine, comprising:
- a first machine part;
- a second machine part which rotates relative to the first machine part about an axis of rotation;
- an optical signal transmitting device disposed on the first machine part to transmit data signals, the optical signal transmitting device incorporating an annular optical waveguide disposed concentrically to the axis of rotation;
- an optical signal receiving device disposed on the second machine part for receiving optical signals, wherein the annular optical waveguide is implemented and disposed such that light coupled by a light source into the annular optical waveguide exits from the optical waveguide at any locations on its circumference in direction of the second machine part.
1 more element
A machine, comprising:
- a first machine part;
- a second machine part which rotates relative to the first machine part about an axis of rotation;
- an optical signal transmitting device disposed on the first machine part to transmit data signals, the optical signal transmitting device incorporating an annular optical waveguide disposed concentrically to the axis of rotation;
- an optical signal receiving device disposed on the second machine part for receiving optical signals,
- wherein the annular optical waveguide is implemented and disposed such that light coupled by a light source into the annular optical waveguide enters the annular optical waveguide an any locations on its circumference from the direction of the second machine part.
2 more elements
Dependencies are inferred from the claim text.