Optoelectronic compound switching matrix

Details Optoelectronic compound switching matrix Optoelectronic compound switching matrix

H - Electricity

04

Q

328/114, 363/1.5

H04Q 3/52 (2006.01)

Patent

CA 1256605

ABSTRACT Optoelectronic switching matrix which switches multiplexed input signals to narrowband output lines. Each crosspoint of the matrix is comprised of a heterodyning photosensor, which optically receives the multiplexed input signal and electrically receives a selectable local oscillator signal. The difference frequency can thus be selected to be within the passband of a low pass filter whereby narrowband output signals can be received from the input signals without requiring the use of a demultiplexer.

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