GB2412216B - Improvements in and relating to addressable devices - Google Patents

Improvements in and relating to addressable devices

Info

Publication number
GB2412216B
GB2412216B GB0405756A GB0405756A GB2412216B GB 2412216 B GB2412216 B GB 2412216B GB 0405756 A GB0405756 A GB 0405756A GB 0405756 A GB0405756 A GB 0405756A GB 2412216 B GB2412216 B GB 2412216B
Authority
GB
United Kingdom
Prior art keywords
relating
addressable devices
addressable
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.)
Expired - Fee Related
Application number
GB0405756A
Other versions
GB2412216A (en
GB0405756D0 (en
Inventor
Sacho Petkov Parvanov
Stephen Ronald Glover
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.)
Novar Systems Ltd
Original Assignee
Gent Ltd
Novar Systems Ltd
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 Gent Ltd, Novar Systems Ltd filed Critical Gent Ltd
Priority to GB0605231A priority Critical patent/GB2423618B/en
Priority to GB0405756A priority patent/GB2412216B/en
Publication of GB0405756D0 publication Critical patent/GB0405756D0/en
Publication of GB2412216A publication Critical patent/GB2412216A/en
Application granted granted Critical
Publication of GB2412216B publication Critical patent/GB2412216B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/06—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using power transmission lines
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/003—Address allocation methods and details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/45—Transmitting circuits; Receiving circuits using electronic distributors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Selective Calling Equipment (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
GB0405756A 2004-03-15 2004-03-15 Improvements in and relating to addressable devices Expired - Fee Related GB2412216B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0605231A GB2423618B (en) 2004-03-15 2004-03-15 Improvements in and relating to addressable devices
GB0405756A GB2412216B (en) 2004-03-15 2004-03-15 Improvements in and relating to addressable devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0405756A GB2412216B (en) 2004-03-15 2004-03-15 Improvements in and relating to addressable devices

Publications (3)

Publication Number Publication Date
GB0405756D0 GB0405756D0 (en) 2004-04-21
GB2412216A GB2412216A (en) 2005-09-21
GB2412216B true GB2412216B (en) 2006-12-20

Family

ID=32117687

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0405756A Expired - Fee Related GB2412216B (en) 2004-03-15 2004-03-15 Improvements in and relating to addressable devices
GB0605231A Expired - Fee Related GB2423618B (en) 2004-03-15 2004-03-15 Improvements in and relating to addressable devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0605231A Expired - Fee Related GB2423618B (en) 2004-03-15 2004-03-15 Improvements in and relating to addressable devices

Country Status (1)

Country Link
GB (2) GB2412216B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200862A (en) * 1977-01-07 1980-04-29 Pico Electronics Limited Appliance control
US4290056A (en) * 1979-07-05 1981-09-15 Ellsworth, Chow & Murphy, Inc. Protective system
US5491463A (en) * 1993-06-28 1996-02-13 Advanced Control Technologies, Inc. Power line communication system
GB2321747A (en) * 1997-01-30 1998-08-05 Rafiki Protection Limited Fire alarm system
GB2326006A (en) * 1997-06-07 1998-12-09 Menvier Alarm system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200862A (en) * 1977-01-07 1980-04-29 Pico Electronics Limited Appliance control
US4290056A (en) * 1979-07-05 1981-09-15 Ellsworth, Chow & Murphy, Inc. Protective system
US5491463A (en) * 1993-06-28 1996-02-13 Advanced Control Technologies, Inc. Power line communication system
GB2321747A (en) * 1997-01-30 1998-08-05 Rafiki Protection Limited Fire alarm system
GB2326006A (en) * 1997-06-07 1998-12-09 Menvier Alarm system

Also Published As

Publication number Publication date
GB2423618A (en) 2006-08-30
GB0605231D0 (en) 2006-04-26
GB2412216A (en) 2005-09-21
GB2423618B (en) 2008-08-13
GB0405756D0 (en) 2004-04-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080315