CA2097953A1 - Fiber optic distribution of image data - Google Patents

Fiber optic distribution of image data

Info

Publication number
CA2097953A1
CA2097953A1 CA2097953A CA2097953A CA2097953A1 CA 2097953 A1 CA2097953 A1 CA 2097953A1 CA 2097953 A CA2097953 A CA 2097953A CA 2097953 A CA2097953 A CA 2097953A CA 2097953 A1 CA2097953 A1 CA 2097953A1
Authority
CA
Canada
Prior art keywords
storage system
data storage
data
workstations
host computer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2097953A
Other languages
French (fr)
Other versions
CA2097953C (en
Inventor
John Mcreynolds
Robert Glicksman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lockheed Martin Tactical Systems Inc
Original Assignee
Loral Aerospace Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/906,891 external-priority patent/US5315424A/en
Priority claimed from US07/906,768 external-priority patent/US5347384A/en
Application filed by Loral Aerospace Corp filed Critical Loral Aerospace Corp
Publication of CA2097953A1 publication Critical patent/CA2097953A1/en
Application granted granted Critical
Publication of CA2097953C publication Critical patent/CA2097953C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

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).
CA002097953A 1992-06-30 1993-06-08 Fiber optic distribution of image data Expired - Fee Related CA2097953C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/906,891 US5315424A (en) 1992-06-30 1992-06-30 Computer fiber optic interface
US906,768 1992-06-30
US07/906,768 US5347384A (en) 1992-06-30 1992-06-30 Fiber optic distribution of image data

Publications (2)

Publication Number Publication Date
CA2097953A1 true CA2097953A1 (en) 1993-12-31
CA2097953C CA2097953C (en) 1999-08-17

Family

ID=29219090

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002097953A Expired - Fee Related CA2097953C (en) 1992-06-30 1993-06-08 Fiber optic distribution of image data

Country Status (1)

Country Link
CA (1) CA2097953C (en)

Also Published As

Publication number Publication date
CA2097953C (en) 1999-08-17

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed