Rotary annular signal data coupler

Details Rotary annular signal data coupler Rotary annular signal data coupler

1981-11-09

1984-08-21

Lee, John D.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250227, G02B 726

Patent

active

044666950

ABSTRACT:
An electro-optical arrangement for transmitting signal data as modulated light energy across a rotating annular interface. The modulated light beams according to the system are projected axially within an annular cavity and thence outward through a redundant window arrangement. Another annular member rotatable with respect to the first one includes a plurality of closer-spaced but narrower second windows and a light-to-electric transducer associated with each second window. The spacing of the second windows is such that there is always light communication between the first and second window groups. The system is particularly adapted to digital modulation of the light energy.

REFERENCES:
patent: 3546699 (1970-12-01), Smith
patent: 4027945 (1977-06-01), Iverson
patent: 4107517 (1978-08-01), Cooper
patent: 4278323 (1981-07-01), Waldman

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