Multi-channel rotating optical interface for data transmission

Details Multi-channel rotating optical interface for data transmission Multi-channel rotating optical interface for data transmission

1977-08-25

1979-09-04

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

250216, G02B 2700

Patent

active

041669592

ABSTRACT:
Apparatus for transmitting multiple channels of data across a rotating interface, such as between an antenna that rotates with respect to a platform, including a plurality of light-emitter elements and light detector elements located on the two bodies that rotate relative to each other, a lens for focusing light from each emitter element onto a corresponding detector element, and an image rotating means which is turned as one of the objects rotates, to derotate the images of the emitter elements that are to be focused on the detector elements.

REFERENCES:
patent: 3428812 (1969-02-01), Burke
patent: 3752992 (1973-08-01), Fluhr
patent: 4055058 (1977-10-01), Tewsley et al.

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