DE2415475C3 - Meldeanlage - Google Patents

Meldeanlage

Info

Publication number
DE2415475C3
DE2415475C3 DE19742415475 DE2415475A DE2415475C3 DE 2415475 C3 DE2415475 C3 DE 2415475C3 DE 19742415475 DE19742415475 DE 19742415475 DE 2415475 A DE2415475 A DE 2415475A DE 2415475 C3 DE2415475 C3 DE 2415475C3
Authority
DE
Germany
Prior art keywords
light
signaling system
polarity
detectors
conductor
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
DE19742415475
Other languages
German (de)
English (en)
Other versions
DE2415475A1 (de
DE2415475B2 (de
Inventor
Sven 8000 Muenchen Wiren
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
Priority to DE19742415475 priority Critical patent/DE2415475C3/de
Priority to FR7509887A priority patent/FR2266235A1/fr
Publication of DE2415475A1 publication Critical patent/DE2415475A1/de
Publication of DE2415475B2 publication Critical patent/DE2415475B2/de
Application granted granted Critical
Publication of DE2415475C3 publication Critical patent/DE2415475C3/de
Expired 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)
DE19742415475 1974-03-29 1974-03-29 Meldeanlage Expired DE2415475C3 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19742415475 DE2415475C3 (de) 1974-03-29 1974-03-29 Meldeanlage
FR7509887A 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

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2415475A1 DE2415475A1 (de) 1975-10-02
DE2415475B2 DE2415475B2 (de) 1978-06-22
DE2415475C3 true DE2415475C3 (de) 1979-02-15

Family

ID=5911682

Family Applications (1)

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

Country Status (2)

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

Families Citing this family (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
FR2532809B1 (fr) * 1982-09-02 1985-10-04 Thery Hindrick Sa Montage de diodes

Also Published As

Publication number Publication date
FR2266235A1 (en) 1975-10-24
DE2415475A1 (de) 1975-10-02
DE2415475B2 (de) 1978-06-22
FR2266235B3 (enExample) 1977-12-09

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee