Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1993-09-24
1996-06-11
Boudreau, Leo
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359158, 370124, 370 74, H04B 1020
Patent
active
055261523
ABSTRACT:
Apparatus is disclosed which is advantageously used in local area, metropolitan-area, and wide-area optical networks having a dual bus architecture, permitting significantly increased distance before termination or regeneration of the optical signal. A portion of the received optical signal is tapped from a fiber, converted to an electrical signal, before presentation to a node. That remaining portion of the received optical signal enters a fiber delay line and is amplified by an optical amplifier. Data to be transmitted from a node is converted from an electrical signal to an optical signal and transmitted on the bus.
REFERENCES:
patent: 4641375 (1987-02-01), Dean
patent: 4730301 (1988-03-01), McMahon
patent: 4768186 (1988-08-01), Bodell
patent: 5185814 (1993-02-01), Healey
Cheung et al., "Estimated-Queue Expanded Bus (EQEB) Protocol for Single-Hop Multichannel Lightwave Networks" Electronics Letters vol. 28, No. 9, 23rd Apr. 1992. pp. 855-857.
Abeysundara et al., "Z-Net: A Dual Bus Fiber-Optic LAN Using Active and Passive Switches". IEEE, 1989. pp. 19-27.
Boudreau Leo
GTE Laboratories Incorporated
Monks Lawrence E.
Negash Kinfe-Michael
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