CH597659A5 - - Google Patents
Info
- Publication number
- CH597659A5 CH597659A5 CH146976A CH146976A CH597659A5 CH 597659 A5 CH597659 A5 CH 597659A5 CH 146976 A CH146976 A CH 146976A CH 146976 A CH146976 A CH 146976A CH 597659 A5 CH597659 A5 CH 597659A5
- Authority
- CH
- Switzerland
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
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)
Priority Applications (21)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH146976A CH597659A5 (no) | 1976-02-06 | 1976-02-06 | |
US05/666,645 US4058803A (en) | 1976-02-06 | 1976-03-15 | Duplex ionization-type fire sensor |
AT0989276A AT363827B (de) | 1976-02-06 | 1976-12-31 | Anordnung zur brandmeldung |
DE2700906A DE2700906C2 (de) | 1976-02-06 | 1977-01-11 | Anordnung zur Brandmeldung |
ES455054A ES455054A1 (es) | 1976-02-06 | 1977-01-14 | Perfeccionamientos en los sistemas de aviso de incendios. |
IL51319A IL51319A0 (en) | 1976-02-06 | 1977-01-25 | Fire sensor device |
FR7701986A FR2340587A1 (fr) | 1976-02-06 | 1977-01-25 | Avertisseur d'incendie |
CA270,474A CA1064625A (en) | 1976-02-06 | 1977-01-26 | Fire sensor device |
FI770273A FI770273A (no) | 1976-02-06 | 1977-01-27 | |
ZA770493A ZA77493B (en) | 1976-02-06 | 1977-01-28 | Fire alarm devices |
NZ183214A NZ183214A (en) | 1976-02-06 | 1977-01-31 | Dual chambers form ionisation fire alarm |
NL7701014A NL7701014A (nl) | 1976-02-06 | 1977-02-01 | Brandmeldingsstelsel. |
GB3997/77A GB1528721A (en) | 1976-02-06 | 1977-02-01 | Fire sensing arrangement |
YU00272/77A YU27277A (en) | 1976-02-06 | 1977-02-02 | Fire warning arrangement |
DD7700197220A DD128136A5 (de) | 1976-02-06 | 1977-02-03 | Anordnung zur brandmeldung |
IT19923/77A IT1077270B (it) | 1976-02-06 | 1977-02-03 | Dispositivo per al segnalazione di incendio |
SE7701246A SE427780B (sv) | 1976-02-06 | 1977-02-04 | Brandalarmanleggning |
DK48377AA DK142687B (da) | 1976-02-06 | 1977-02-04 | Ionisationsbrandmeldeanordning. |
JP1088877A JPS5295999A (en) | 1976-02-06 | 1977-02-04 | Fire alarm |
NO770369A NO140869C (no) | 1976-02-06 | 1977-02-04 | Brannmelderanordning. |
AU21856/77A AU503702B2 (en) | 1976-02-06 | 1977-02-12 | Fire alarm devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH146976A CH597659A5 (no) | 1976-02-06 | 1976-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH597659A5 true CH597659A5 (no) | 1978-04-14 |
Family
ID=4211208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH146976A CH597659A5 (no) | 1976-02-06 | 1976-02-06 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4058803A (no) |
CH (1) | CH597659A5 (no) |
ZA (1) | ZA77493B (no) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2752690C3 (de) * | 1977-11-25 | 1981-04-16 | Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf | Ionisations-Brandmelder |
US4213047A (en) * | 1978-10-25 | 1980-07-15 | General Signal Corporation | Smoke detector having unipolar ionization chamber |
US5485144A (en) * | 1993-05-07 | 1996-01-16 | Pittway Corporation | Compensated ionization sensor |
FR2970102B1 (fr) * | 2010-12-31 | 2012-12-28 | Jacques Lewiner | Detecteur de fumee |
CN115235963B (zh) * | 2022-05-25 | 2024-07-19 | 中国船舶重工集团公司第七0三研究所 | 一种可自校正的线性吸气式感烟探测器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL99411C (no) * | 1957-01-25 | |||
US3717862A (en) * | 1969-10-16 | 1973-02-20 | Nittan Co Ltd | Fire detecting system and testing means therefor |
US3775616A (en) * | 1970-06-08 | 1973-11-27 | Nittan Co Ltd | Ionization smoke detector |
US3728706A (en) * | 1970-09-28 | 1973-04-17 | Gen Signal Corp | System for indicating aerosols in the atmosphere |
-
1976
- 1976-02-06 CH CH146976A patent/CH597659A5/xx not_active IP Right Cessation
- 1976-03-15 US US05/666,645 patent/US4058803A/en not_active Expired - Lifetime
-
1977
- 1977-01-28 ZA ZA770493A patent/ZA77493B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4058803A (en) | 1977-11-15 |
ZA77493B (en) | 1977-12-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |