DE3004753C2 - Brandmeldeeinrichtung - Google Patents

Brandmeldeeinrichtung

Info

Publication number
DE3004753C2
DE3004753C2 DE3004753A DE3004753A DE3004753C2 DE 3004753 C2 DE3004753 C2 DE 3004753C2 DE 3004753 A DE3004753 A DE 3004753A DE 3004753 A DE3004753 A DE 3004753A DE 3004753 C2 DE3004753 C2 DE 3004753C2
Authority
DE
Germany
Prior art keywords
voltage
supply voltage
measuring chamber
effect transistor
field effect
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
DE3004753A
Other languages
German (de)
English (en)
Other versions
DE3004753A1 (de
Inventor
Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6094144&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3004753(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to DE19803050185 priority Critical patent/DE3050185A1/de
Priority to DE3004753A priority patent/DE3004753C2/de
Priority to DE8181100552T priority patent/DE3168215D1/de
Priority to EP81100552A priority patent/EP0033888B2/de
Priority to AT81100552T priority patent/ATE11346T1/de
Priority to FR8102439A priority patent/FR2475768A1/fr
Publication of DE3004753A1 publication Critical patent/DE3004753A1/de
Application granted granted Critical
Publication of DE3004753C2 publication Critical patent/DE3004753C2/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
DE3004753A 1980-02-08 1980-02-08 Brandmeldeeinrichtung Expired DE3004753C2 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19803050185 DE3050185A1 (de) 1980-02-08 1980-02-08 Brandmeldeeinrichtung
DE3004753A DE3004753C2 (de) 1980-02-08 1980-02-08 Brandmeldeeinrichtung
DE8181100552T DE3168215D1 (en) 1980-02-08 1981-01-26 Ionisation fire alarm device with malfunction signalization
EP81100552A EP0033888B2 (de) 1980-02-08 1981-01-26 Ionisations-Brandmeldevorrichtung mit Störungssignalisierung
AT81100552T ATE11346T1 (de) 1980-02-08 1981-01-26 Ionisations-brandmeldevorrichtung mit stoerungssignalisierung.
FR8102439A FR2475768A1 (fr) 1980-02-08 1981-02-06 Dispositif avertisseur d'incendie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3004753A DE3004753C2 (de) 1980-02-08 1980-02-08 Brandmeldeeinrichtung

Publications (2)

Publication Number Publication Date
DE3004753A1 DE3004753A1 (de) 1981-08-27
DE3004753C2 true DE3004753C2 (de) 1983-12-22

Family

ID=6094144

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3004753A Expired DE3004753C2 (de) 1980-02-08 1980-02-08 Brandmeldeeinrichtung
DE8181100552T Expired DE3168215D1 (en) 1980-02-08 1981-01-26 Ionisation fire alarm device with malfunction signalization

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8181100552T Expired DE3168215D1 (en) 1980-02-08 1981-01-26 Ionisation fire alarm device with malfunction signalization

Country Status (4)

Country Link
EP (1) EP0033888B2 (enrdf_load_stackoverflow)
AT (1) ATE11346T1 (enrdf_load_stackoverflow)
DE (2) DE3004753C2 (enrdf_load_stackoverflow)
FR (1) FR2475768A1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189399A (en) * 1989-02-18 1993-02-23 Hartwig Beyersdorf Method of operating an ionization smoke alarm and ionization smoke alarm
DE3904979A1 (de) * 1989-02-18 1990-08-23 Beyersdorf Hartwig Verfahren zum betrieb eines ionisationsrauchmelders und ionisationsrauchmelder
CN106741986B (zh) * 2016-12-21 2023-08-29 太原航空仪表有限公司 具有驱动功能的振杆器
CN114325383B (zh) * 2021-12-20 2024-07-02 中国人民解放军总参谋部第六十研究所 一种无人直升机用无刷电机绕组故障检测系统及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH473431A (de) * 1966-05-09 1969-05-31 Cerberus Ag Werk Fuer Elektron Verfahren zur Betriebsüberwachung von Feuermeldern
CH497755A (de) * 1969-06-24 1970-10-15 Cerberus Ag Ionisationsfeuermelder
NO129270B (enrdf_load_stackoverflow) * 1970-05-16 1974-03-18 Preussag Ag Feuerschutz
CA1019077A (en) * 1974-01-07 1977-10-11 Wilbur L. Ogden Fire detector
CH586941A5 (enrdf_load_stackoverflow) * 1975-07-25 1977-04-15 Cerberus Ag
US4138664A (en) * 1976-12-14 1979-02-06 Pittway Corporation Warning device
US4302753A (en) * 1978-01-26 1981-11-24 Pittway Corporation Multi-function combustion detecting device

Also Published As

Publication number Publication date
FR2475768A1 (fr) 1981-08-14
EP0033888B1 (de) 1985-01-16
EP0033888B2 (de) 1991-02-06
DE3168215D1 (en) 1985-02-28
DE3004753A1 (de) 1981-08-27
EP0033888A3 (en) 1982-11-03
FR2475768B1 (enrdf_load_stackoverflow) 1983-09-23
EP0033888A2 (de) 1981-08-19
ATE11346T1 (de) 1985-02-15

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