Optical communication system for the subscriber area

K Fussanger - US Patent 5,202,780, 1993 - Google Patents
A group of subscribers serviced from a center has a common remote distribution unit located
in its vicinity. The subscribers are connected to this remote distribution unit by individual …

Optical communication system in the subscriber loop

A Ali, H Ohnsorge - US Patent 4,726,010, 1988 - Google Patents
The invention relates to an optical communication system for transmitting subscriber-
assigned information in both directions between a center (1) and a plurality of subscribers …

Optical communications system for the subscriber area with optical amplifiers

H Ohnsorge, A Weygang, R Heidemann - US Patent 5,337,175, 1994 - Google Patents
According to the invention, a fiber-optic communications system is provided with a center (1)
and a plurality of subscribers (T i) wherein the subscribers are connected to the center (1) …

Broadband integrated subscriber loop system

H Ohnsorge - US Patent 4,686,667, 1987 - Google Patents
(57) ABSTRACT A broadband integrated subscriber loop system is pro vided in accordance
with the teachings of the present invention. A system is provided in which the subscrib ers …

Optical transmission network

SS Cheng - US Patent 4,705,350, 1987 - Google Patents
US4705350A - Optical transmission network - Google Patents US4705350A - Optical
transmission network - Google Patents Optical transmission network Download PDF Info …

Bi-directional optical communications subscriber transmission system using a single wavelength

A Ichikawa - US Patent 6,031,645, 2000 - Google Patents
With regard to an optical communications system, in a system using a single optical fiber
cable between subscribers and an exchange and in which bi-directional transmission is …

Broad band optical fiber telecommunications network

WG Ortel - US Patent 5,861,966, 1999 - Google Patents
A broadband optical fiber network for conveying signals between subscriber locations and a
head end. A coherent light source is used at the head end to generate signals for …

Course wavelength division multiplexed optical network

M Matthews, D Van Veen - US Patent App. 10/183,597, 2004 - Google Patents
A course wavelength division multiplexed optical network for transmitting time division
multiplexed optical signals is disclosed. For downstream transmission, an optical line …

Optical subscriber network transmission system

Y Takasaki - US Patent 5,121,244, 1992 - Google Patents
An optical subscriber network transmission system comprises a first optical transmission line
transmitting information from center to a subscriber and a second optical transmission line …

Fiber-optical data-communication system using carriers of different wavelengths

L Bosotti - US Patent 4,267,590, 1981 - Google Patents
A plurality of data-transmitting stations communicate with respective data-receiving stations
via channels using optical carriers of different wavelengths, the several channels sharing a …