FI783741A - COPYING FUNCTION AND AUTOMATIC CONNECTION WITH AUTOMATIC CONNECTION - Google Patents

COPYING FUNCTION AND AUTOMATIC CONNECTION WITH AUTOMATIC CONNECTION

Info

Publication number
FI783741A
FI783741A FI783741A FI783741A FI783741A FI 783741 A FI783741 A FI 783741A FI 783741 A FI783741 A FI 783741A FI 783741 A FI783741 A FI 783741A FI 783741 A FI783741 A FI 783741A
Authority
FI
Finland
Prior art keywords
automatic connection
copying function
automatic
connection
copying
Prior art date
Application number
FI783741A
Other languages
Finnish (fi)
Inventor
Willi Wogatzke
Original Assignee
Rft Messelektronik Dresden Veb
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 Rft Messelektronik Dresden Veb filed Critical Rft Messelektronik Dresden Veb
Publication of FI783741A publication Critical patent/FI783741A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Fire-Detection Mechanisms (AREA)
FI783741A 1977-12-08 1978-12-05 COPYING FUNCTION AND AUTOMATIC CONNECTION WITH AUTOMATIC CONNECTION FI783741A (en)

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
FI783741A true FI783741A (en) 1979-06-09

Family

ID=5510734

Family Applications (1)

Application Number Title Priority Date Filing Date
FI783741A FI783741A (en) 1977-12-08 1978-12-05 COPYING FUNCTION AND AUTOMATIC CONNECTION WITH AUTOMATIC CONNECTION

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
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
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

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
FR2411451A1 (en) 1979-07-06
DD136078A1 (en) 1979-06-13
DE2846384A1 (en) 1979-06-13

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