Photonic dual bus for wide-area CATV broadcast and data transpor

Details Photonic dual bus for wide-area CATV broadcast and data transpor Photonic dual bus for wide-area CATV broadcast and data transpor

1995-09-20

1997-03-25

Chin, Wellington

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359158, 370491, H04B 1020, H04J 1400

Patent

active

056150350

ABSTRACT:
Apparatus is disclosed which is advantageously used in local area, metropolitan-area, and wide-area networks using a dual bus architecture, and more particularly to a dual bus network design having significantly increased distance before termination or regeneration of the optical signal, and using wavelength division multiplexing (WDM) at one optical wavelength to transmit data over the bus and a second optical wavelength to transmit a clock signal and a CATV video signal.

REFERENCES:
patent: 4730301 (1988-03-01), McMahon
patent: 5185814 (1993-02-01), Healey
Cheung et al., "Estimated-Queue Expanded Bus (EQEB) Protocol for Single-Hop Multichannel Lightwave Networks", Electronics Letters, 23rd Apr. 1992 vol. 28 No. 9, pp. 855-857.
Abeysundara et al., "Z-Net: A Dual Bus Fiber-Optic LAN Using Active and Passive Switches" IEEE, 1989, pp. 19-27.

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