FR723057A - Current pulse transmitter for warning systems, in particular for fire alarms - Google Patents

Current pulse transmitter for warning systems, in particular for fire alarms

Info

Publication number
FR723057A
FR723057A FR723057DA FR723057A FR 723057 A FR723057 A FR 723057A FR 723057D A FR723057D A FR 723057DA FR 723057 A FR723057 A FR 723057A
Authority
FR
France
Prior art keywords
current pulse
pulse transmitter
warning systems
fire alarms
alarms
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
Other languages
French (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 and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
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 and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR723057A publication Critical patent/FR723057A/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
    • G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR723057D 1930-07-30 1931-07-30 Current pulse transmitter for warning systems, in particular for fire alarms Expired FR723057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE723057X 1930-07-30

Publications (1)

Publication Number Publication Date
FR723057A true FR723057A (en) 1932-04-02

Family

ID=6632165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR723057D Expired FR723057A (en) 1930-07-30 1931-07-30 Current pulse transmitter for warning systems, in particular for fire alarms

Country Status (1)

Country Link
FR (1) FR723057A (en)

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