DE1766669B1 - Ionisations feuermelder mit schutzvorrichtung fuer feld effekttransistoren - Google Patents
Ionisations feuermelder mit schutzvorrichtung fuer feld effekttransistorenInfo
- Publication number
- DE1766669B1 DE1766669B1 DE19681766669 DE1766669A DE1766669B1 DE 1766669 B1 DE1766669 B1 DE 1766669B1 DE 19681766669 DE19681766669 DE 19681766669 DE 1766669 A DE1766669 A DE 1766669A DE 1766669 B1 DE1766669 B1 DE 1766669B1
- Authority
- DE
- Germany
- Prior art keywords
- switch
- ionization
- field effect
- fire alarm
- effect transistor
- 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.)
- Pending
Links
- 230000005669 field effect Effects 0.000 title claims description 19
- 239000000463 material Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 2
- 239000011261 inert gas Substances 0.000 claims 2
- 238000004140 cleaning Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- G08B17/113—Constructional details
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (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 |
|---|---|---|---|
| CH1120067A CH460594A (de) | 1967-08-09 | 1967-08-09 | Feuermelder mit einem gegen Berührung geschützten Feldeffekttransistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1766669B1 true DE1766669B1 (de) | 1971-10-21 |
Family
ID=4371058
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE6603864U Expired DE6603864U (de) | 1967-08-09 | 1968-07-02 | Feuermelder mit schutzvorrichtung fuer feldeffekttransistoren |
| DE19681766669 Pending DE1766669B1 (de) | 1967-08-09 | 1968-07-02 | Ionisations feuermelder mit schutzvorrichtung fuer feld effekttransistoren |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE6603864U Expired DE6603864U (de) | 1967-08-09 | 1968-07-02 | Feuermelder mit schutzvorrichtung fuer feldeffekttransistoren |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3590321A (enExample) |
| CH (1) | CH460594A (enExample) |
| DE (2) | DE6603864U (enExample) |
| FR (1) | FR1575250A (enExample) |
| GB (1) | GB1192298A (enExample) |
| NL (1) | NL160101C (enExample) |
| SE (1) | SE333696B (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH491449A (de) * | 1969-05-19 | 1970-05-31 | Cerberus Ag | Rauchdetektoranordnung mit mindestens einer Rauchmesskammer |
| US3762515A (en) * | 1972-06-07 | 1973-10-02 | Ltv Aerospace Corp | Apparatus for shielding portions of a vehicle |
| US3913083A (en) * | 1973-12-11 | 1975-10-14 | George O Baker | Control system for aircraft refueling facilities |
| CA1063486A (en) * | 1976-04-22 | 1979-10-02 | Bristol-Myers Squibb Company | Ultrasonic cleaner |
| GB2487560B (en) * | 2011-01-26 | 2013-09-04 | Thorn Security | Fire detector unit |
| DE102016200913A1 (de) | 2016-01-22 | 2017-07-27 | Hekatron Vertriebs Gmbh | Vorrichtung zur Leitungsüberwachung von Gefahrenmeldern und Feststellvorrichtungen |
| DE102016200914A1 (de) | 2016-01-22 | 2017-07-27 | Hekatron Vertriebs Gmbh | Vorrichtung zur Leitungsüberwachung an einer Feststelleinrichtung von Brandschutztüren mit Rauchschaltern |
| CN113570805B (zh) * | 2021-09-23 | 2021-11-23 | 江苏优思智能科技有限公司 | 一种智能建筑灾情报警监控装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1079351B (de) * | 1957-10-30 | 1960-04-07 | Cerberus G M B H | Einrichtung zur Feststellung von AEnderungen in der Zusammensetzung eines Gases |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2756299A (en) * | 1953-08-10 | 1956-07-24 | Motorola Inc | Radio cover switch |
| FR79314E (fr) * | 1961-03-06 | 1962-11-16 | Systèmes perfectionnés à combinaisons multiples, pour maintenir les portes ou fenêtres, soit dans une position de fermeture, soit dans une position d'ouverture | |
| US3413497A (en) * | 1966-07-13 | 1968-11-26 | Hewlett Packard Co | Insulated-gate field effect transistor with electrostatic protection means |
-
1967
- 1967-08-09 CH CH1120067A patent/CH460594A/de unknown
-
1968
- 1968-06-28 SE SE08863/68A patent/SE333696B/xx unknown
- 1968-07-02 DE DE6603864U patent/DE6603864U/de not_active Expired
- 1968-07-02 DE DE19681766669 patent/DE1766669B1/de active Pending
- 1968-07-30 FR FR1575250D patent/FR1575250A/fr not_active Expired
- 1968-07-31 US US749166A patent/US3590321A/en not_active Expired - Lifetime
- 1968-08-06 NL NL6811153.A patent/NL160101C/xx not_active IP Right Cessation
- 1968-08-09 GB GB38248/68A patent/GB1192298A/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1079351B (de) * | 1957-10-30 | 1960-04-07 | Cerberus G M B H | Einrichtung zur Feststellung von AEnderungen in der Zusammensetzung eines Gases |
Also Published As
| Publication number | Publication date |
|---|---|
| US3590321A (en) | 1971-06-29 |
| CH460594A (de) | 1968-07-31 |
| SE333696B (enExample) | 1971-03-22 |
| FR1575250A (enExample) | 1969-07-18 |
| NL160101C (nl) | 1979-09-17 |
| DE6603864U (de) | 1969-11-13 |
| NL6811153A (enExample) | 1969-02-11 |
| GB1192298A (en) | 1970-05-20 |
| NL160101B (nl) | 1979-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 |