FR2266235A1 - Centralised police or fire alarm system - uses hand-operated alarm connected via conductor loop with receiving station - Google Patents

Centralised police or fire alarm system - uses hand-operated alarm connected via conductor loop with receiving station

Info

Publication number
FR2266235A1
FR2266235A1 FR7509887A FR7509887A FR2266235A1 FR 2266235 A1 FR2266235 A1 FR 2266235A1 FR 7509887 A FR7509887 A FR 7509887A FR 7509887 A FR7509887 A FR 7509887A FR 2266235 A1 FR2266235 A1 FR 2266235A1
Authority
FR
France
Prior art keywords
conductor loop
alarm
centralised
police
connected via
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
FR7509887A
Other languages
English (en)
Other versions
FR2266235B3 (fr
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2266235A1 publication Critical patent/FR2266235A1/fr
Application granted granted Critical
Publication of FR2266235B3 publication Critical patent/FR2266235B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • 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
    • G08B25/14—Central alarm receiver or annunciator arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
FR7509887A 1974-03-29 1975-03-28 Centralised police or fire alarm system - uses hand-operated alarm connected via conductor loop with receiving station Granted FR2266235A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742415475 DE2415475C3 (de) 1974-03-29 1974-03-29 Meldeanlage

Publications (2)

Publication Number Publication Date
FR2266235A1 true FR2266235A1 (en) 1975-10-24
FR2266235B3 FR2266235B3 (fr) 1977-12-09

Family

ID=5911682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7509887A Granted FR2266235A1 (en) 1974-03-29 1975-03-28 Centralised police or fire alarm system - uses hand-operated alarm connected via conductor loop with receiving station

Country Status (2)

Country Link
DE (1) DE2415475C3 (fr)
FR (1) FR2266235A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495359A1 (fr) * 1980-12-03 1982-06-04 Gresset Rene Dispositif d'alarme a securite positive
FR2532809A1 (fr) * 1982-09-02 1984-03-09 Thery Hindrick Sa Montage de diodes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495359A1 (fr) * 1980-12-03 1982-06-04 Gresset Rene Dispositif d'alarme a securite positive
FR2532809A1 (fr) * 1982-09-02 1984-03-09 Thery Hindrick Sa Montage de diodes
EP0105818A1 (fr) * 1982-09-02 1984-04-18 THERY-HINDRICK Société Anonyme: Montage de diodes

Also Published As

Publication number Publication date
FR2266235B3 (fr) 1977-12-09
DE2415475A1 (de) 1975-10-02
DE2415475B2 (de) 1978-06-22
DE2415475C3 (de) 1979-02-15

Similar Documents

Publication Publication Date Title
SE338527B (fr)
JPS52113200A (en) Remote signaling device
NL7700912A (nl) Signaalinrichting met electroluminescerende dioden, die sequentieel worden gevoed.
GB2009478A (en) An alarm system
FR2266235A1 (en) Centralised police or fire alarm system - uses hand-operated alarm connected via conductor loop with receiving station
JPS5797256A (en) Button telephone set
GB1120455A (en) Remote-controlled alarm networks
JPS5333099A (en) Alarm device
JPS5236274A (en) Remote supervisory equipment
JPS5375804A (en) Individual selective calling device
JPS5237084A (en) Smoke detector
BE774710A (fr) Systeme de transmission electrique, compose d'un emetteur et d'un recepteur
GB1070468A (en) Improvements in or relating to alarm annunciators
FR2295506A1 (fr) Installation de transmission d'alarmes
JPS52139888A (en) Remote monitor controller
GB865609A (en) A safe or strongroom burglar warning system
GB1031994A (en) Improvements in inductive signalling systems for mines, tunnels and similar situations
GB1345080A (en) Apparatus for a signalling-and indicating installation
JPS56142423A (en) Wireless transmission type weighing apparatus
KR910005330Y1 (ko) 무선 비상 경보장치
JPS5240008A (en) Mark rate detection circuit
ATE805T1 (de) Gefahrenmeldeanlage mit einer in einer zentrale vorgesehenen frequenzmessvorrichtung.
JPS5240288A (en) Data highway device
GB1536269A (en) Electrical device with luminous display
GB1393120A (en) Personal alarm apparatus

Legal Events

Date Code Title Description
ST Notification of lapse