Telecommunications switching element

Details Telecommunications switching element Telecommunications switching element

1994-08-23

1997-02-18

Chin, Wellington

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359139, 370380, 370427, 385 17, 34082503, H04J 1400

Patent

active

056046170

ABSTRACT:
A multi-stage telecommunications switch, such as a "rotator", has 2.sup.n input ports and 2.sup.n output ports, `n` being an integer greater than 1, and is formed from a number n.times.y.sup.(n-1) of y.times.y switching elements where `y` is an integer greater than 1 and the elements are arranged in n stages wherein each switching element within a stage x, where `x` is an integer between 1 and n, changes state every y.sup.(x-1) timeslots to provide switching only in the space domain. The switching elements may be electrical or optical devices.

REFERENCES:
patent: 4787693 (1988-11-01), Kogelnik et al.
patent: 5303077 (1994-04-01), B ottle et al.
patent: 5369514 (1994-11-01), Eilenberger et al.
patent: 5432627 (1995-07-01), Nishio

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