JPS5617704B2 - - Google Patents
Info
- Publication number
- JPS5617704B2 JPS5617704B2 JP8001373A JP8001373A JPS5617704B2 JP S5617704 B2 JPS5617704 B2 JP S5617704B2 JP 8001373 A JP8001373 A JP 8001373A JP 8001373 A JP8001373 A JP 8001373A JP S5617704 B2 JPS5617704 B2 JP S5617704B2
- Authority
- JP
- Japan
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
- Alarm Systems (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 |
|---|---|---|---|
| CH1065472 | 1972-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4970596A JPS4970596A (lv) | 1974-07-08 |
| JPS5617704B2 true JPS5617704B2 (lv) | 1981-04-23 |
Family
ID=4365437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8001373A Expired JPS5617704B2 (lv) | 1972-07-17 | 1973-07-17 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3821734A (lv) |
| JP (1) | JPS5617704B2 (lv) |
| AU (1) | AU474604B2 (lv) |
| CA (1) | CA988224A (lv) |
| CH (1) | CH547531A (lv) |
| DE (1) | DE2328881C3 (lv) |
| FI (1) | FI56908C (lv) |
| FR (1) | FR2193225B1 (lv) |
| GB (1) | GB1401146A (lv) |
| HK (1) | HK55880A (lv) |
| NO (1) | NO137619C (lv) |
| SE (1) | SE390076B (lv) |
| ZA (1) | ZA734855B (lv) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2707409C2 (de) * | 1977-02-21 | 1985-02-21 | Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf | Ionisationsbrandmelder |
| US4191946A (en) * | 1977-10-20 | 1980-03-04 | Gonzalez Raymond J | Warning apparatus with a line integrity supervisory circuit |
| JPS5831038B2 (ja) * | 1977-12-26 | 1983-07-02 | 能美防災工業株式会社 | 火災感知器 |
| DE2811891A1 (de) * | 1978-03-18 | 1979-09-27 | Merk Gmbh Telefonbau Fried | Schaltungsanordnung zur ruhestromueberwachung von meldeleitungen |
| US4207558A (en) * | 1978-04-03 | 1980-06-10 | Pittway Corporation | Interconnection circuit for a plurality of alarm units |
| USRE30620E (en) * | 1978-07-03 | 1981-05-19 | P. R. Mallory & Co. Inc. | High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means |
| DE2934383A1 (de) * | 1978-08-26 | 1980-03-06 | Hochiki Co | Feuerueberwachungseinrichtung |
| US4414539A (en) * | 1978-12-22 | 1983-11-08 | The Boeing Company | Built-in passive fault detection circuitry for an aircraft's electrical/electronic systems |
| US4287515A (en) * | 1979-04-27 | 1981-09-01 | Baker Industries, Inc. | Fire detection system with multiple output signals |
| US4573040A (en) * | 1979-11-30 | 1986-02-25 | Drexelbrook Engineering Company | Fail-safe instrument system |
| US5382909A (en) | 1983-06-30 | 1995-01-17 | Raychem Corporation | Method for detecting and obtaining information about changes in variables |
| NZ208683A (en) * | 1983-06-30 | 1988-04-29 | Raychem Corp | Resistive sensor system for locating events |
| US5015958A (en) | 1983-06-30 | 1991-05-14 | Raychem Corporation | Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors |
| JPS6174187U (lv) * | 1984-10-16 | 1986-05-20 | ||
| ATE86040T1 (de) | 1985-06-12 | 1993-03-15 | Raychem Corp | Kohlenwasserstoffsensor. |
| US5898369A (en) * | 1996-01-18 | 1999-04-27 | Godwin; Paul K. | Communicating hazardous condition detector |
| AT501215B1 (de) * | 2004-12-20 | 2008-05-15 | Friedl Helmut Dipl Ing | Überwachungseinrichtung |
| DE102005038602B4 (de) * | 2005-08-16 | 2019-05-09 | Robert Bosch Gmbh | Sicherheitseinrichtung |
| JP6175235B2 (ja) * | 2012-12-25 | 2017-08-02 | 能美防災株式会社 | 火災報知設備及びそれに利用する火災感知器及び終端装置 |
| RU2717355C1 (ru) * | 2019-07-24 | 2020-03-23 | Общество С Ограниченной Ответственностью "Форносовское Научно-Производственное Предприятие "Гефест" | Устройство коммутации исполнительных элементов пожарной автоматики |
| CN116087726B (zh) * | 2023-04-11 | 2023-06-27 | 国网四川省电力公司电力科学研究院 | 一种火焰通道的临界击穿距离测量装置及测量方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3550120A (en) * | 1968-12-09 | 1970-12-22 | Honeywell Inc | Control apparatus |
-
1972
- 1972-07-17 CH CH1065472A patent/CH547531A/xx not_active IP Right Cessation
-
1973
- 1973-06-06 DE DE2328881A patent/DE2328881C3/de not_active Expired
- 1973-06-15 FI FI1942/73A patent/FI56908C/fi active
- 1973-06-27 FR FR7323460A patent/FR2193225B1/fr not_active Expired
- 1973-06-28 US US00374795A patent/US3821734A/en not_active Expired - Lifetime
- 1973-07-11 AU AU58325/73A patent/AU474604B2/en not_active Expired
- 1973-07-12 CA CA176,282A patent/CA988224A/en not_active Expired
- 1973-07-16 SE SE7309919A patent/SE390076B/xx unknown
- 1973-07-16 NO NO2886/73A patent/NO137619C/no unknown
- 1973-07-17 ZA ZA734855A patent/ZA734855B/xx unknown
- 1973-07-17 JP JP8001373A patent/JPS5617704B2/ja not_active Expired
- 1973-07-17 GB GB3409473A patent/GB1401146A/en not_active Expired
-
1980
- 1980-10-02 HK HK558/80A patent/HK55880A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2328881A1 (de) | 1974-01-31 |
| AU5798773A (en) | 1975-01-16 |
| CA988224A (en) | 1976-04-27 |
| CH547531A (de) | 1974-03-29 |
| FR2193225A1 (lv) | 1974-02-15 |
| FI56908B (fi) | 1979-12-31 |
| FI56908C (fi) | 1980-04-10 |
| HK55880A (en) | 1980-10-10 |
| SE390076B (sv) | 1976-11-29 |
| ZA734855B (en) | 1974-07-31 |
| US3821734A (en) | 1974-06-28 |
| DE2328881B2 (lv) | 1981-02-05 |
| AU474604B2 (en) | 1976-07-29 |
| JPS4970596A (lv) | 1974-07-08 |
| NO137619B (no) | 1977-12-12 |
| DE2328881C3 (de) | 1982-03-18 |
| GB1401146A (en) | 1975-07-16 |
| NO137619C (no) | 1978-03-29 |
| FR2193225B1 (lv) | 1979-01-26 |