SE333696B - - Google Patents
Info
- Publication number
- SE333696B SE333696B SE08863/68A SE886368A SE333696B SE 333696 B SE333696 B SE 333696B SE 08863/68 A SE08863/68 A SE 08863/68A SE 886368 A SE886368 A SE 886368A SE 333696 B SE333696 B SE 333696B
- Authority
- SE
- Sweden
- Prior art keywords
- cover
- gate
- transistor
- replaced
- electrode
- Prior art date
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
- 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 |
---|---|
SE333696B true SE333696B (sv) | 1971-03-22 |
Family
ID=4371058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE08863/68A SE333696B (sv) | 1967-08-09 | 1968-06-28 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3590321A (sv) |
CH (1) | CH460594A (sv) |
DE (2) | DE1766669B1 (sv) |
FR (1) | FR1575250A (sv) |
GB (1) | GB1192298A (sv) |
NL (1) | NL160101C (sv) |
SE (1) | SE333696B (sv) |
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 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756299A (en) * | 1953-08-10 | 1956-07-24 | Motorola Inc | Radio cover switch |
CH355380A (de) * | 1957-10-30 | 1961-06-30 | Cerberus Gmbh | Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases |
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 DE19681766669 patent/DE1766669B1/de active Pending
- 1968-07-02 DE DE6603864U patent/DE6603864U/de not_active Expired
- 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
Also Published As
Publication number | Publication date |
---|---|
DE6603864U (de) | 1969-11-13 |
NL6811153A (sv) | 1969-02-11 |
GB1192298A (en) | 1970-05-20 |
DE1766669B1 (de) | 1971-10-21 |
FR1575250A (sv) | 1969-07-18 |
NL160101B (nl) | 1979-04-17 |
CH460594A (de) | 1968-07-31 |
US3590321A (en) | 1971-06-29 |
NL160101C (nl) | 1979-09-17 |
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