Optical high speed rotary joint

Details Optical high speed rotary joint Optical high speed rotary joint

2005-08-30

2005-08-30

Font, Frank G. (Department: 2883)

Optical waveguides

With optical coupler

Movable coupler

C385S039000

Reexamination Certificate

active

06937787

ABSTRACT:
What is described here is a device for the transmission of modulated optical signals between two units supported for rotation relative to each other, by means of optical transmitters and receivers. The total of optical transmitters and receivers is three at minimum. A switching unit selects optical transmitters or receivers, respectively, for transmission in dependence on the position as well as in a synchronised manner so that the optical path will always have the same orientation as the direction of movement. Moreover, means are provided for suppressing multiply transmitted data.

REFERENCES:
patent: 6759759 (2004-07-01), Kojima et al.

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