Optical switching device
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United States of America Patent
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-
Oct 15, 1991
Grant Date -
N/A
app pub date -
Oct 25, 1990
filing date -
Oct 25, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical switching device includes a first optical fiber terminating in a first window, and a plurality of second optical fibers each terminating in a corresponding second window. A concave mirror is selectively positionable with conjugate foci located respectively at the first window and selectively at any one of the second windows so as to reciprocally image the first window and a selected second window on each other. The imaging mirror is rotated about an axis spaced from and parallel to the optical axis of the mirror, so as to rotate the mirror among a plurality of arcuately spaced selected positions. In each selected position the imaging means closes a light circuit between the first optical fiber and a selected second optical fiber.
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