Optical communications forwards scatter compensator

Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means

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325 39, H04B 900

Patent

active

040792463

ABSTRACT:
Pulse stretching and smearing due to forward scatter of a collimated beam from a light source is eliminated by the use of a multiple field of view detector which divides up the beam in the vicinity of the receiver into segments along the optical path of the beam, inverts the order of the signals from the segments, and delays the signals by predetermined amounts such that pulses from different segments overlap and add, with the delay set to compensate for different path lengths between the transmitter and the receiver due to the intercepting of various segments along the optical path by the fields of view of the individual detectors making up the multiple field of view receiver.

REFERENCES:
patent: 3681695 (1972-08-01), Cease et al.
patent: 3731103 (1973-05-01), O'Meara

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