GB289649A - - Google Patents

Info

Publication number
GB289649A
GB289649A GB1364327A GB1364327A GB289649A GB 289649 A GB289649 A GB 289649A GB 1364327 A GB1364327 A GB 1364327A GB 1364327 A GB1364327 A GB 1364327A GB 289649 A GB289649 A GB 289649A
Authority
GB
United Kingdom
Prior art keywords
station
relay
line
district
circuit
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
GB1364327A
Other languages
English (en)
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 and Halske AG
Original Assignee
Siemens and Halske 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 and Halske AG filed Critical Siemens and Halske AG
Publication of GB289649A publication Critical patent/GB289649A/en
Expired 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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
GB1364327A 1927-05-18 1927-05-20 Expired GB289649A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES79776D DE546199C (de) 1927-05-18 1927-05-18 Schaltungsanordnung zur Fernuebertragung von Meldungen von einer Empfangsstelle zur anderen mit Sicherheitsschaltung

Publications (1)

Publication Number Publication Date
GB289649A true GB289649A (OSRAM) 1928-05-03

Family

ID=7508430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1364327A Expired GB289649A (OSRAM) 1927-05-18 1927-05-20

Country Status (2)

Country Link
DE (1) DE546199C (OSRAM)
GB (1) GB289649A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG119162A1 (en) * 1998-06-15 2006-02-28 Nohmi Bosai Ltd Fire alarm system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG119162A1 (en) * 1998-06-15 2006-02-28 Nohmi Bosai Ltd Fire alarm system

Also Published As

Publication number Publication date
DE546199C (de) 1932-03-10

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