Free-space star-coupled optical data bus

Details Free-space star-coupled optical data bus Free-space star-coupled optical data bus

1995-11-21

1998-03-10

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359121, 359168, 359172, H04B 1000

Patent

active

057267863

ABSTRACT:
A free-space passively star-coupled optical data bus uses uniform uncollimated transmission light communicating data among a plurality of transmitter and receiver paired transceiver nodes of respective communication subsystems for communicating data from one transmitting node simultaneously to each of all of the remaining receiving nodes, the data bus being defined by a transmission volume having peripheral optical ports for optically interfacing the transceivers nodes to the free-space communication transmission medium having a distribution means to distribute the light and provide a variety of data bus configurations each supported by protocol addressing and optical modulation for connectorless communications for improved reliability and reduced costs especially well-suited for conference room, office, and spacecraft applications.

REFERENCES:
patent: 4358858 (1982-11-01), Tamura et al.
patent: 5247380 (1993-09-01), Lee et al.
patent: 5247381 (1993-09-01), Olmstead et al.

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