JPS49107794A - - Google Patents
Info
- Publication number
- JPS49107794A JPS49107794A JP48133339A JP13333973A JPS49107794A JP S49107794 A JPS49107794 A JP S49107794A JP 48133339 A JP48133339 A JP 48133339A JP 13333973 A JP13333973 A JP 13333973A JP S49107794 A JPS49107794 A JP S49107794A
- 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.)
- Pending
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
- 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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US329285A US3913082A (en) | 1973-02-02 | 1973-02-02 | Ionization aerosol detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49107794A true JPS49107794A (ja) | 1974-10-14 |
Family
ID=23284702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48133339A Pending JPS49107794A (ja) | 1973-02-02 | 1973-11-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3913082A (ja) |
| JP (1) | JPS49107794A (ja) |
| CA (1) | CA1012261A (ja) |
| GB (1) | GB1450819A (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091364A (en) * | 1974-09-09 | 1978-05-23 | Unitec, Inc. | Combustion detection device |
| US4185196A (en) * | 1978-01-13 | 1980-01-22 | General Electric Company | Ionization smoke detector having improved stability and sensitivity |
| US4213047A (en) * | 1978-10-25 | 1980-07-15 | General Signal Corporation | Smoke detector having unipolar ionization chamber |
| US4401979A (en) * | 1981-02-11 | 1983-08-30 | General Signal Corporation | Electrical controls for ionization smoke detector |
| US4513202A (en) * | 1982-05-14 | 1985-04-23 | Firetek Corporation | Self compensating fire detection device |
| TW563010B (en) | 2001-06-25 | 2003-11-21 | Em Microelectronic Marin Sa | High-voltage regulator including an external regulating device |
| DE60115408T2 (de) * | 2001-06-25 | 2006-08-24 | Em Microelectronic-Marin S.A., Marin | Hochspannungsregler mit externer Steuerung |
| US10161905B2 (en) * | 2017-05-19 | 2018-12-25 | The Boeing Company | Smoke detector having a magnet |
| US10593192B1 (en) | 2018-11-19 | 2020-03-17 | The Boeing Company | Smoke detector having a magnet |
| CN111402540B (zh) * | 2020-02-25 | 2021-08-24 | 王勇强 | 吸气式感烟火灾探测装置、方法及设备 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU48167A1 (ja) * | 1965-03-11 | 1966-09-12 | Applic Electroniques Ets | |
| CH446131A (de) * | 1966-02-22 | 1967-10-31 | Cerberus Ag | Ionisationsfeuermelderanlage |
| US3673586A (en) * | 1970-02-19 | 1972-06-27 | Statitrol Corp | Resistance controlled timed pulse generator |
-
1973
- 1973-02-02 US US329285A patent/US3913082A/en not_active Expired - Lifetime
- 1973-10-12 CA CA183,272A patent/CA1012261A/en not_active Expired
- 1973-11-27 JP JP48133339A patent/JPS49107794A/ja active Pending
-
1974
- 1974-01-22 GB GB288274A patent/GB1450819A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3913082A (en) | 1975-10-14 |
| CA1012261A (en) | 1977-06-14 |
| GB1450819A (en) | 1976-09-29 |