DD136078A1 - CIRCUIT ARRANGEMENT FOR A IONIZATION FIRE DETECTOR WITH SELF-MONITORING ITS FUNCTION - Google Patents

CIRCUIT ARRANGEMENT FOR A IONIZATION FIRE DETECTOR WITH SELF-MONITORING ITS FUNCTION

Info

Publication number
DD136078A1
DD136078A1 DD20247077A DD20247077A DD136078A1 DD 136078 A1 DD136078 A1 DD 136078A1 DD 20247077 A DD20247077 A DD 20247077A DD 20247077 A DD20247077 A DD 20247077A DD 136078 A1 DD136078 A1 DD 136078A1
Authority
DD
German Democratic Republic
Prior art keywords
monitoring
self
function
circuit arrangement
fire detector
Prior art date
Application number
DD20247077A
Other languages
German (de)
Inventor
Willi Wogatzke
Original Assignee
Willi Wogatzke
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 Willi Wogatzke filed Critical Willi Wogatzke
Priority to DD20247077A priority Critical patent/DD136078A1/en
Priority to DE19782846384 priority patent/DE2846384A1/en
Priority to FR7832565A priority patent/FR2411451A1/en
Priority to FI783741A priority patent/FI783741A/en
Publication of DD136078A1 publication Critical patent/DD136078A1/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/043—Monitoring of the detection circuits of fire detection circuits
DD20247077A 1977-12-08 1977-12-08 CIRCUIT ARRANGEMENT FOR A IONIZATION FIRE DETECTOR WITH SELF-MONITORING ITS FUNCTION DD136078A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DD20247077A DD136078A1 (en) 1977-12-08 1977-12-08 CIRCUIT ARRANGEMENT FOR A IONIZATION FIRE DETECTOR WITH SELF-MONITORING ITS FUNCTION
DE19782846384 DE2846384A1 (en) 1977-12-08 1978-10-25 CIRCUIT ARRANGEMENT FOR AN IONIZATION FIRE DETECTOR WITH SELF-MONITORING OF ITS FUNCTION
FR7832565A FR2411451A1 (en) 1977-12-08 1978-11-17 Self-monitoring ionisation fire detector - has combined alarm and circuit malfunction detector stage with operating voltage across base-emitter path of circuit transistor
FI783741A FI783741A (en) 1977-12-08 1978-12-05 COPYING FUNCTION AND AUTOMATIC CONNECTION WITH AUTOMATIC CONNECTION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20247077A DD136078A1 (en) 1977-12-08 1977-12-08 CIRCUIT ARRANGEMENT FOR A IONIZATION FIRE DETECTOR WITH SELF-MONITORING ITS FUNCTION

Publications (1)

Publication Number Publication Date
DD136078A1 true DD136078A1 (en) 1979-06-13

Family

ID=5510734

Family Applications (1)

Application Number Title Priority Date Filing Date
DD20247077A DD136078A1 (en) 1977-12-08 1977-12-08 CIRCUIT ARRANGEMENT FOR A IONIZATION FIRE DETECTOR WITH SELF-MONITORING ITS FUNCTION

Country Status (4)

Country Link
DD (1) DD136078A1 (en)
DE (1) DE2846384A1 (en)
FI (1) FI783741A (en)
FR (1) FR2411451A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014019172B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using a compensating optical measuring system
DE102014019773B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using the display of a mobile telephone

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH506148A (en) * 1969-02-28 1971-04-15 Mefina Sa Smoke detector device
CA1014675A (en) * 1973-03-19 1977-07-26 Frank W. Emerson Emergency alarm system
CH566602A5 (en) * 1974-06-14 1975-09-15 Cerberus Ag Electronic circuits for fire detection equipment - allow accurate setting of thresholds for monitoring outputs of ionization chamber

Also Published As

Publication number Publication date
DE2846384A1 (en) 1979-06-13
FR2411451A1 (en) 1979-07-06
FI783741A (en) 1979-06-09

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