Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1996-01-17
1998-09-08
Bacares, Rafael
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359110, H04B 1002
Patent
active
058053220
ABSTRACT:
A multiplex optical communication system transmitting a multiplex optical signal between terminal equipments each including converters producing optical signals combined to the multiplex optical signal, through repeater equipment including an optical amplifier, under controlling the amplifier so that when a converter is added or removed, a time constant of the amplifier is equal to a time constant of the added or removed converter, or the amplifier produces output under constant output level control before adding or removing the converter and after the amplifier produces final output and constant gain control during the added or removed converter increases or decreases output. The time constant control is performed to the amplifier by making the amplifier repeat start and stop of increasing or decreasing output step by step in accordance with prescribed objective values corresponding to half way output of the optical amplifier.
REFERENCES:
patent: 4366565 (1982-12-01), Herskowitz
patent: 5035481 (1991-07-01), Mollenauer
patent: 5276543 (1994-01-01), Olshansky
patent: 5396360 (1995-03-01), Majima
patent: 5463487 (1995-10-01), Epworth
patent: 5500756 (1996-03-01), Tsushima et al.
patent: 5535037 (1996-07-01), Yoneyama
Bacares Rafael
Fujitsu Limited
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