NL8100266A - Controleketen voor een detectieketen met automatisch houdfunctie. - Google Patents

Controleketen voor een detectieketen met automatisch houdfunctie. Download PDF

Info

Publication number
NL8100266A
NL8100266A NL8100266A NL8100266A NL8100266A NL 8100266 A NL8100266 A NL 8100266A NL 8100266 A NL8100266 A NL 8100266A NL 8100266 A NL8100266 A NL 8100266A NL 8100266 A NL8100266 A NL 8100266A
Authority
NL
Netherlands
Prior art keywords
control
circuit
excitation
transistor
buzzer
Prior art date
Application number
NL8100266A
Other languages
English (en)
Dutch (nl)
Original Assignee
Junghans Gmbh Geb
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 Junghans Gmbh Geb filed Critical Junghans Gmbh Geb
Publication of NL8100266A publication Critical patent/NL8100266A/nl

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Emergency Alarm Devices (AREA)
NL8100266A 1980-02-21 1981-01-21 Controleketen voor een detectieketen met automatisch houdfunctie. NL8100266A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3006493 1980-02-21
DE19803006493 DE3006493A1 (de) 1980-02-21 1980-02-21 Testschaltung fuer eine detektorschaltung mit selbsthaltung

Publications (1)

Publication Number Publication Date
NL8100266A true NL8100266A (nl) 1981-09-16

Family

ID=6095193

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8100266A NL8100266A (nl) 1980-02-21 1981-01-21 Controleketen voor een detectieketen met automatisch houdfunctie.

Country Status (3)

Country Link
DE (1) DE3006493A1 (ref)
FR (1) FR2476879A1 (ref)
NL (1) NL8100266A (ref)

Also Published As

Publication number Publication date
FR2476879A1 (fr) 1981-08-28
DE3006493A1 (de) 1981-08-27
FR2476879B3 (ref) 1982-11-05

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Legal Events

Date Code Title Description
BV The patent application has lapsed