CA1200846A - Systeme sans fil de controle d'alarme a grande distance - Google Patents

Systeme sans fil de controle d'alarme a grande distance

Info

Publication number
CA1200846A
CA1200846A CA000411368A CA411368A CA1200846A CA 1200846 A CA1200846 A CA 1200846A CA 000411368 A CA000411368 A CA 000411368A CA 411368 A CA411368 A CA 411368A CA 1200846 A CA1200846 A CA 1200846A
Authority
CA
Canada
Prior art keywords
signal
transmitter
remote
station
central station
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
Application number
CA000411368A
Other languages
English (en)
Inventor
Louis T. Fiore
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.)
Radionics Inc
Original Assignee
Radionics Inc
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 Radionics Inc filed Critical Radionics Inc
Application granted granted Critical
Publication of CA1200846A publication Critical patent/CA1200846A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/007—Wireless interrogation
    • 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
    • G08B25/10—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)
  • Alarm Systems (AREA)
CA000411368A 1981-09-14 1982-09-14 Systeme sans fil de controle d'alarme a grande distance Expired CA1200846A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30212581A 1981-09-14 1981-09-14
US302,125 1981-09-14

Publications (1)

Publication Number Publication Date
CA1200846A true CA1200846A (fr) 1986-02-18

Family

ID=23166362

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000411368A Expired CA1200846A (fr) 1981-09-14 1982-09-14 Systeme sans fil de controle d'alarme a grande distance

Country Status (3)

Country Link
CA (1) CA1200846A (fr)
WO (1) WO1983001139A1 (fr)
ZA (1) ZA826747B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK148106C (da) * 1983-04-12 1987-10-19 2 M Security System Aps Tyverisikringsanlaeg, navnlig til butiksarealer
DE3343645A1 (de) * 1983-12-02 1985-06-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart Bodenstation eines navigationssystems
GB2156120A (en) * 1984-02-23 1985-10-02 Alarmcall Security Systems Lim Alarm system
GB8726830D0 (en) * 1987-11-17 1987-12-23 Martin J A Monitoring system
EP0372640A1 (fr) * 1988-12-05 1990-06-13 Ericsson Radio Systems B.V. Système d'appel de personne avec détermination de l'état d'une unité d'appel et d'un utilisateur du système
FR2649233A1 (fr) * 1989-06-28 1991-01-04 Crde Systeme de telealarme centralisee
GB9212165D0 (en) * 1992-06-09 1992-07-22 Hartbrook Properties Limited Property protection system
FR2708774A1 (fr) * 1993-08-05 1995-02-10 Guillo Jean Dispositif de sécurité à liaison radio bi-directionnelle.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256517A (en) * 1963-07-03 1966-06-14 Motorola Inc Remote alarm system with scanning by tones
US3418579A (en) * 1964-09-08 1968-12-24 Comm And Systems Inc Satellite communication synchronizing system
US3593138A (en) * 1968-07-31 1971-07-13 Nasa Satellite interlace synchronization system
US3508260A (en) * 1968-09-03 1970-04-21 Edward S Stein Transponder monitoring system
US4222052A (en) * 1976-12-15 1980-09-09 Dunn Ronald A Data transmission system
US4191948A (en) * 1978-10-23 1980-03-04 Napco Security System Inc. Digital transmission apparatus particularly adapted for security systems

Also Published As

Publication number Publication date
WO1983001139A1 (fr) 1983-03-31
ZA826747B (en) 1983-07-27

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20030218