NO760407L - - Google Patents
Info
- Publication number
- NO760407L NO760407L NO76760407A NO760407A NO760407L NO 760407 L NO760407 L NO 760407L NO 76760407 A NO76760407 A NO 76760407A NO 760407 A NO760407 A NO 760407A NO 760407 L NO760407 L NO 760407L
- Authority
- NO
- Norway
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975017774U JPS51100085U (zh) | 1975-02-10 | 1975-02-10 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO760407L true NO760407L (zh) | 1976-08-11 |
| NO142464B NO142464B (no) | 1980-05-12 |
| NO142464C NO142464C (no) | 1980-08-20 |
Family
ID=11953049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO760407A NO142464C (no) | 1975-02-10 | 1976-02-09 | Hoeyimpedans kretsanordning med ioniseringsroekavfoeler |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4041479A (zh) |
| JP (1) | JPS51100085U (zh) |
| AU (1) | AU497142B2 (zh) |
| CH (1) | CH599644A5 (zh) |
| DE (1) | DE2604753A1 (zh) |
| FR (1) | FR2299879A1 (zh) |
| GB (1) | GB1535559A (zh) |
| NL (1) | NL7601261A (zh) |
| NO (1) | NO142464C (zh) |
| SE (1) | SE408736B (zh) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2386874A1 (fr) * | 1977-04-08 | 1978-11-03 | Gamma Electronic | Detecteur de fumees a ionisation associe a un circuit electronique de mesure velocimetrique |
| JPS5760147Y2 (zh) * | 1977-07-04 | 1982-12-22 | ||
| EP0003662A3 (en) * | 1978-02-03 | 1979-09-05 | Hochiki Corporation | Single station type fire alarm system and a multivibrator used in the detection circuitry |
| JPS5831275Y2 (ja) * | 1978-08-26 | 1983-07-11 | ホーチキ株式会社 | イオン化式煙感知器 |
| CA1148279A (en) * | 1979-12-14 | 1983-06-14 | Andreas Scheidweiler | Ionization smoke detector with increased operational reliability |
| GB2138570B (en) * | 1983-04-19 | 1987-10-28 | Emi Ltd | Smoke detector |
| US4924098A (en) * | 1987-11-30 | 1990-05-08 | Radiation Detectors, Inc. | Nuclear radiation level detector |
| DE4028167A1 (de) * | 1990-09-05 | 1992-03-12 | Esser Sicherheitstechnik | Ionisationsbrandmelder |
| CH681932A5 (zh) * | 1990-12-04 | 1993-06-15 | Cerberus Ag | |
| US5485144A (en) * | 1993-05-07 | 1996-01-16 | Pittway Corporation | Compensated ionization sensor |
| CN105307094B (zh) * | 2015-11-01 | 2018-08-31 | 包钢 | 一种电子警报器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3717862A (en) * | 1969-10-16 | 1973-02-20 | Nittan Co Ltd | Fire detecting system and testing means therefor |
| US3728703A (en) * | 1970-10-12 | 1973-04-17 | Edward Co Inc | Fire detector stabilizer circuit |
| GB1378652A (en) * | 1971-03-03 | 1974-12-27 | Rotax Ltd | Thyristor circuit |
| US3906474A (en) * | 1973-05-07 | 1975-09-16 | Fire Alert Company | Combustion products alarm |
-
1975
- 1975-02-10 JP JP1975017774U patent/JPS51100085U/ja active Pending
-
1976
- 1976-02-05 AU AU10860/76A patent/AU497142B2/en not_active Expired
- 1976-02-07 DE DE19762604753 patent/DE2604753A1/de not_active Withdrawn
- 1976-02-09 US US05/656,701 patent/US4041479A/en not_active Expired - Lifetime
- 1976-02-09 NL NL7601261A patent/NL7601261A/ not_active Application Discontinuation
- 1976-02-09 NO NO760407A patent/NO142464C/no unknown
- 1976-02-09 FR FR7603490A patent/FR2299879A1/fr active Granted
- 1976-02-09 SE SE7601366A patent/SE408736B/xx unknown
- 1976-02-10 GB GB5185/76A patent/GB1535559A/en not_active Expired
- 1976-02-10 CH CH162876A patent/CH599644A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU497142B2 (en) | 1978-11-30 |
| NL7601261A (nl) | 1976-08-12 |
| CH599644A5 (zh) | 1978-05-31 |
| SE7601366L (sv) | 1976-08-11 |
| JPS51100085U (zh) | 1976-08-11 |
| GB1535559A (en) | 1978-12-13 |
| DE2604753A1 (de) | 1976-08-19 |
| US4041479A (en) | 1977-08-09 |
| AU1086076A (en) | 1977-08-11 |
| NO142464B (no) | 1980-05-12 |
| FR2299879B1 (zh) | 1980-06-27 |
| FR2299879A1 (fr) | 1976-09-03 |
| SE408736B (sv) | 1979-07-02 |
| NO142464C (no) | 1980-08-20 |