DE2107862C3 - Elektronischer Schaltkreis, der - Google Patents
Elektronischer Schaltkreis, derInfo
- Publication number
- DE2107862C3 DE2107862C3 DE2107862A DE2107862A DE2107862C3 DE 2107862 C3 DE2107862 C3 DE 2107862C3 DE 2107862 A DE2107862 A DE 2107862A DE 2107862 A DE2107862 A DE 2107862A DE 2107862 C3 DE2107862 C3 DE 2107862C3
- Authority
- DE
- Germany
- Prior art keywords
- effect transistor
- resistance
- field effect
- sensing element
- gate
- 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
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
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/12—Provision for actuation of an alarm
- G01T7/125—Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1272070A | 1970-02-19 | 1970-02-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2107862A1 DE2107862A1 (de) | 1971-08-26 |
| DE2107862B2 DE2107862B2 (de) | 1975-05-15 |
| DE2107862C3 true DE2107862C3 (de) | 1976-01-02 |
Family
ID=21756372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2107862A Expired DE2107862C3 (de) | 1970-02-19 | 1971-02-18 | Elektronischer Schaltkreis, der |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3673586A (enExample) |
| CA (1) | CA943672A (enExample) |
| DE (1) | DE2107862C3 (enExample) |
| FR (1) | FR2078790A5 (enExample) |
| GB (1) | GB1335433A (enExample) |
| SE (1) | SE348301B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE792144A (fr) * | 1972-01-07 | 1973-03-16 | Rixson Firemark | Ferme-porte repondant a certaines conditions |
| US3913082A (en) * | 1973-02-02 | 1975-10-14 | Jenson Robert S | Ionization aerosol detector |
| DE2327497C3 (de) * | 1973-05-30 | 1981-12-24 | Benno 5430 Wettingen Aargau Perren | Melder für Widerstandsänderungen mit nachgeschalteter Alarmeinrichtung |
| CH556072A (de) * | 1973-11-26 | 1974-11-15 | Cerberus Ag | Ionisationsfeuermelder. |
| US3987319A (en) * | 1974-12-05 | 1976-10-19 | The United States Of America As Represented By The Secretary Of The Army | Radiation-activated sensor |
| JPS5760147Y2 (enExample) * | 1977-07-04 | 1982-12-22 | ||
| FR2528980A1 (fr) * | 1982-06-17 | 1983-12-23 | Pgep | Detecteur de niveau d'ionisation d'un milieu gazeux controle par arc electrique |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL22673A (en) * | 1964-12-27 | 1968-06-20 | Jaffe A | Sensitive smoke and fire detector |
-
1970
- 1970-02-19 US US12720A patent/US3673586A/en not_active Expired - Lifetime
-
1971
- 1971-02-08 CA CA104,686A patent/CA943672A/en not_active Expired
- 1971-02-18 FR FR7105589A patent/FR2078790A5/fr not_active Expired
- 1971-02-18 DE DE2107862A patent/DE2107862C3/de not_active Expired
- 1971-02-19 SE SE02182/71A patent/SE348301B/xx unknown
- 1971-04-19 GB GB2301871*A patent/GB1335433A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2107862B2 (de) | 1975-05-15 |
| GB1335433A (en) | 1973-10-31 |
| CA943672A (en) | 1974-03-12 |
| FR2078790A5 (enExample) | 1971-11-05 |
| DE2107862A1 (de) | 1971-08-26 |
| SE348301B (enExample) | 1972-08-28 |
| US3673586A (en) | 1972-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2203067B2 (de) | Schaltung für eine elektrische Regelanlage einer Sprühbeschichtungsvorrichtung | |
| DE1588607A1 (de) | Funkenstrecken- und Entladungssteueranordnung | |
| DE2923119A1 (de) | Detektor fuer feuer, rauch o.dgl. | |
| DE2107862C3 (de) | Elektronischer Schaltkreis, der | |
| DE1288428B (de) | Vorrichtung zur Steuerung der von einem fotografischen Elektronenblitzgeraet ausgestrahlten Lichtmenge | |
| DE2603373A1 (de) | Ionisationsdetektor | |
| DE1303640B (enExample) | ||
| DE3026787C2 (de) | Eigensicherer Flammenwächter | |
| DE2836233A1 (de) | Brandmelder, insbesondere haushalts- ionisationsbrandmelder | |
| DE2430809A1 (de) | Ionisations-feuermelder | |
| DE2446270C2 (de) | Signalpegelanzeigesystem | |
| DE1965100B2 (de) | Schaltungsanordnung zur Empfindlichkeitsregelung eines Verstärkers | |
| DE2219087C3 (de) | Schaltungsanordnung für photographische Geräte mit diskreten Anzeige- und/oder Steuerelementen zur Belichtungsmessung und/oder -Steuerung | |
| DE2950851A1 (de) | Elektronischer schaltkreis fuer eine elektroakustische alarmanlage | |
| DE1912241A1 (de) | Schaltung mit elektrochemischen Zellen | |
| DE1566688B2 (de) | Verfahren und Vorrichtung zum Feststellen des Vorhandenseins von Fremdstoffen in einem Gas | |
| DE2352109C3 (de) | Vorrichtung zum Erzeugen einer sägezahnförmigen Ausgangsspannung | |
| DE2202059A1 (de) | Verfahren und Vorrichtung zur Integration einer elektrischen Spannung mit digitaler Anzeige | |
| DE2828492A1 (de) | Loeschschaltung fuer ultraviolettlicht- anzeigeroehre | |
| DE2513804B2 (enExample) | ||
| DE4027984A1 (de) | Vielfachbrenner-gassteuergeraet | |
| DE69700066T2 (de) | Regelvorrichtung einer Niederdruckleuchtstofflampe | |
| DE2154539B2 (de) | Belichtungsautomaten-Schaltung eines Röntgendiagnostikapparates | |
| DE1622230C2 (de) | Elektronenblitzgerät mit automatischer Lichtdosierung | |
| DE2935837C2 (de) | C-MOS-Schaltung für Piezotaste |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |