Patent
1984-05-30
1987-03-31
Sikes, William L.
350 9615, 350 9621, G02B 640
Patent
active
046538496
ABSTRACT:
An optical space-division switching assembly comprises a distribution assembly consisting of a stack of P distribution plates each with N guides which on the one hand, for each plate, are coupled in common to the end face of an optical element assigned to the plate and belonging to a group of P elements and, on the other hand, for the P plates, communicate with the same side of the stack in N rows of end faces, and an optical selection assembly consisting of a stack of N flat rigid opto-mechanical switches each movable between an optical element assigned to the switch and belonging to another group of N elements and the corresponding row of end faces of the guides of the plates and incorporating P guides having first ends assigned to the individual links between these guides and the corresponding optical element and second ends individually assigned to the P end faces of the guides of the plates of the corresponding row. This assembly provides for the broadcasting of P programs to N subscribers.
REFERENCES:
patent: 3920982 (1975-11-01), Harris
patent: 3977762 (1976-08-01), Sandbank
patent: 4070093 (1978-01-01), Schwartz
patent: 4444458 (1984-04-01), Stowe et al.
patent: 4528695 (1985-07-01), Khoe
Bloem et al., IBM Tech. Disc. Bull., 16(1), Jun. 1973, "Fiber-Optic Coupler," pp. 146-147.
Boirat Robert
Faugeras Philippe
Haux Denis
Mimeur Jacques
Compagnie Industrielle des Telecommunications Cit-Alcatel
Gonzalez Frank
Sikes William L.
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