CA2245676A1 - Repeater for transmission system for controlling and determining the status of electrical devices from remote locations - Google Patents

Repeater for transmission system for controlling and determining the status of electrical devices from remote locations

Info

Publication number
CA2245676A1
CA2245676A1 CA002245676A CA2245676A CA2245676A1 CA 2245676 A1 CA2245676 A1 CA 2245676A1 CA 002245676 A CA002245676 A CA 002245676A CA 2245676 A CA2245676 A CA 2245676A CA 2245676 A1 CA2245676 A1 CA 2245676A1
Authority
CA
Canada
Prior art keywords
devices
repeater
controlling
status
electrical devices
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
CA002245676A
Other languages
French (fr)
Other versions
CA2245676C (en
Inventor
Donald R. Mosebrook
David E. Houggy
Robert G. Palmer, Jr.
Joel S. Spira
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.)
Lutron Electronics Co Inc
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of CA2245676A1 publication Critical patent/CA2245676A1/en
Application granted granted Critical
Publication of CA2245676C publication Critical patent/CA2245676C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/542—Methods of transmitting or receiving signals via power distribution lines using zero crossing information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5425—Methods of transmitting or receiving signals via power distribution lines improving S/N by matching impedance, noise reduction, gain control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5437—Wired telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5441—Wireless systems or telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5445—Local network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/545—Audio/video application, e.g. interphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5458—Monitor sensor; Alarm systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5466—Systems for power line communications using three phases conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5479—Systems for power line communications using repeaters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits

Abstract

This disclosure relates to a repeater (40) for use in a two-way communication system for retransmitting information between a first device (20, 30) and a second device (50) to help ensure reliable two-way communication between the devices, the repeater (40) comprises a transmitter/receiver, the transmitter/receiver receiving information in signals from the first and second devices and transmitting the received information in signals for reception by the respective second and first devices and wherein further a direct communication path for the information between the first and second devices is provided, the direct communication path being intermittently unreliable. The first device (20, 30) comprises a master unit, the plurality of second devices (50) comprise control devices for controlling respective electrical devices.
CA002245676A 1996-02-07 1997-02-05 Repeater for transmission system for controlling and determining the status of electrical devices from remote locations Expired - Lifetime CA2245676C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/598,234 1996-02-07
US08/598,234 US5848054A (en) 1996-02-07 1996-02-07 Repeater for transmission system for controlling and determining the status of electrical devices from remote locations
PCT/US1997/001914 WO1997029556A1 (en) 1996-02-07 1997-02-05 Repeater for transmission system for controlling and determining the status of electrical devices from remote locations

Publications (2)

Publication Number Publication Date
CA2245676A1 true CA2245676A1 (en) 1997-08-14
CA2245676C CA2245676C (en) 2005-01-25

Family

ID=24394759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002245676A Expired - Lifetime CA2245676C (en) 1996-02-07 1997-02-05 Repeater for transmission system for controlling and determining the status of electrical devices from remote locations

Country Status (6)

Country Link
US (1) US5848054A (en)
EP (2) EP1158691B1 (en)
JP (1) JP3989551B2 (en)
CA (1) CA2245676C (en)
DE (2) DE69707426T2 (en)
WO (1) WO1997029556A1 (en)

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US5848054A (en) 1998-12-08
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