EP0919972A3 - Système d'alarme sans fil avec transmission radiofréquence de signaux codés - Google Patents

Système d'alarme sans fil avec transmission radiofréquence de signaux codés Download PDF

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Publication number
EP0919972A3
EP0919972A3 EP98121617A EP98121617A EP0919972A3 EP 0919972 A3 EP0919972 A3 EP 0919972A3 EP 98121617 A EP98121617 A EP 98121617A EP 98121617 A EP98121617 A EP 98121617A EP 0919972 A3 EP0919972 A3 EP 0919972A3
Authority
EP
European Patent Office
Prior art keywords
coded signals
alarm system
alarm
wireless alarm
radiofrequency transmission
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.)
Withdrawn
Application number
EP98121617A
Other languages
German (de)
English (en)
Other versions
EP0919972A2 (fr
Inventor
Giuseppe Simonazzi
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.)
Meta System SpA
Original Assignee
Meta System SpA
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 Meta System SpA filed Critical Meta System SpA
Publication of EP0919972A2 publication Critical patent/EP0919972A2/fr
Publication of EP0919972A3 publication Critical patent/EP0919972A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B25/10—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 wireless transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmitters (AREA)
  • Burglar Alarm Systems (AREA)
EP98121617A 1997-11-26 1998-11-12 Système d'alarme sans fil avec transmission radiofréquence de signaux codés Withdrawn EP0919972A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRE970058 1997-08-01
ITRE970058 IT238433Y1 (it) 1997-11-26 1997-11-26 Impianto senza fili di segnalazione/allarme, con trasmissione deisegnali codificati a radiofrequenza

Publications (2)

Publication Number Publication Date
EP0919972A2 EP0919972A2 (fr) 1999-06-02
EP0919972A3 true EP0919972A3 (fr) 1999-12-01

Family

ID=11399093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121617A Withdrawn EP0919972A3 (fr) 1997-11-26 1998-11-12 Système d'alarme sans fil avec transmission radiofréquence de signaux codés

Country Status (2)

Country Link
EP (1) EP0919972A3 (fr)
IT (1) IT238433Y1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581606A (en) * 1982-08-30 1986-04-08 Isotec Industries Limited Central monitor for home security system
US5004999A (en) * 1989-12-21 1991-04-02 Honeywell, Inc. Extended RF range alarm system
FR2691274A1 (fr) * 1992-05-13 1993-11-19 Seb Sa Capteur, centre de surveillance et réseau domotique de surveillance.
US5543778A (en) * 1993-04-19 1996-08-06 Code-Alarm, Inc. Security system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581606A (en) * 1982-08-30 1986-04-08 Isotec Industries Limited Central monitor for home security system
US5004999A (en) * 1989-12-21 1991-04-02 Honeywell, Inc. Extended RF range alarm system
FR2691274A1 (fr) * 1992-05-13 1993-11-19 Seb Sa Capteur, centre de surveillance et réseau domotique de surveillance.
US5543778A (en) * 1993-04-19 1996-08-06 Code-Alarm, Inc. Security system

Also Published As

Publication number Publication date
ITRE970058V0 (it) 1997-11-26
ITRE970058U1 (it) 1999-05-26
EP0919972A2 (fr) 1999-06-02
IT238433Y1 (it) 2000-11-13

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