Multi-channel optical transceiver

Details Multi-channel optical transceiver Multi-channel optical transceiver

1996-11-12

1999-10-12

Lefkowitz, Edward

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359169, 359172, H04B 1000

Patent

active

059662255

ABSTRACT:
A data transceiver employing optical radiation comprises transmitter assembly with an optical emitter operable in a first band and an optical emitter in a second band and a receiver assembly with a wide band optical detector which can receive signals transmitted via both the first and second band. In a second embodiment, the receiver includes both a wide band optical detector and a second optical detector which is operable in only one of the first and second bands, the receiver subtracting signals received at the second optical detector from those received at the wide band detector to separate signals received via the first and second bands. In a preferred aspect, the optical radiation employed is infrared radiation and the first and second bands are near and medium infrared bands.

REFERENCES:
patent: 5278687 (1994-01-01), Jennson et al.
patent: 5416624 (1995-05-01), Karstensen
patent: 5774247 (1998-06-01), Taglione et al.

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