Fiber optic distribution of image data

Details Fiber optic distribution of image data Fiber optic distribution of image data

H - Electricity

04

L

H04L 12/28 (2006.01) G06F 13/38 (2006.01) H04B 10/20 (2006.01) H04N 7/22 (2006.01)

Patent

CA 2097953

A fiber optic data distribution system (10) for distributing image data between a data storage system (11) and a plurality of image workstations (13) using embedded control signals and a fiber optic link (18, 18a). The data storage system (11), a host computer (12), and a plurality of image workstations (13) are all coupled together by way of a local area network (21). The host computer (12) includes network software and associated files that provide control information and functions for the distribution system (10). The host computer (12) controls access to the distribution system (10) by setting up the data storage system (11) and workstations (13) and initiating data transfer to and from the workstations (13). The data distribution system (10) includes a distribution circuit (16) that comprises a high-speed logical switch that is capable of data transfer rates on the order of 100 megabits per second. The distribution circuit (16) is also an electrical to optical converter which transforms electrical signals stored in the data storage system (11) into optical signals and vice versa. The distribution circuit (16) is coupled to an input/output port (15) of the data storage system (11) but is not connected to the host computer (12) or directly to the computer workstations (13). Optical signals provided by the distribution circuit (16) are carried by a plurality of optical fibers (18) wherein each pair form a bidirectional data link to a specified workstation. An interface card is disposed in each workstation (13) and is coupled to its backplane. The interface card is adapted to transform optical signals into electrical signals and vice versa for display or for transmission to the data storage system (11).

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