AT297544B - Ionisationskammer-Rauchmelder - Google Patents
Ionisationskammer-RauchmelderInfo
- Publication number
- AT297544B AT297544B AT183670A AT183670A AT297544B AT 297544 B AT297544 B AT 297544B AT 183670 A AT183670 A AT 183670A AT 183670 A AT183670 A AT 183670A AT 297544 B AT297544 B AT 297544B
- Authority
- AT
- Austria
- Prior art keywords
- smoke detector
- ionization chamber
- chamber smoke
- ionization
- detector
- 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
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)
- Emergency Alarm Devices (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP44025730A JPS5147039B1 (fr) | 1969-04-04 | 1969-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT297544B true AT297544B (de) | 1972-03-27 |
Family
ID=12173907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT183670A AT297544B (de) | 1969-04-04 | 1970-02-27 | Ionisationskammer-Rauchmelder |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5147039B1 (fr) |
AT (1) | AT297544B (fr) |
BE (1) | BE732651A (fr) |
CH (1) | CH498457A (fr) |
DE (1) | DE2004584B2 (fr) |
ES (1) | ES375686A1 (fr) |
FR (1) | FR2042047A5 (fr) |
GB (1) | GB1269911A (fr) |
IL (1) | IL33654A (fr) |
NL (1) | NL144410B (fr) |
SE (1) | SE350634B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3904979A1 (de) * | 1989-02-18 | 1990-08-23 | Beyersdorf Hartwig | Verfahren zum betrieb eines ionisationsrauchmelders und ionisationsrauchmelder |
US5189399A (en) * | 1989-02-18 | 1993-02-23 | Hartwig Beyersdorf | Method of operating an ionization smoke alarm and ionization smoke alarm |
CN111951514A (zh) * | 2020-08-03 | 2020-11-17 | 深圳职业技术学院 | 一种基于图像识别的烟雾检测装置 |
-
1969
- 1969-04-04 JP JP44025730A patent/JPS5147039B1/ja active Pending
- 1969-05-07 BE BE732651A patent/BE732651A/xx not_active IP Right Cessation
-
1970
- 1970-01-02 IL IL33654A patent/IL33654A/xx unknown
- 1970-01-20 ES ES375686A patent/ES375686A1/es not_active Expired
- 1970-02-02 DE DE19702004584 patent/DE2004584B2/de not_active Withdrawn
- 1970-02-11 NL NL707001934A patent/NL144410B/xx not_active IP Right Cessation
- 1970-02-12 FR FR7004935A patent/FR2042047A5/fr not_active Expired
- 1970-02-23 GB GB8573/70A patent/GB1269911A/en not_active Expired
- 1970-02-27 AT AT183670A patent/AT297544B/de not_active IP Right Cessation
- 1970-03-24 SE SE04027/70A patent/SE350634B/xx unknown
- 1970-04-02 CH CH489170A patent/CH498457A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1269911A (en) | 1972-04-06 |
CH498457A (de) | 1970-10-31 |
SE350634B (fr) | 1972-10-30 |
DE2004584A1 (de) | 1970-11-26 |
BE732651A (fr) | 1969-10-16 |
IL33654A0 (en) | 1970-03-22 |
FR2042047A5 (fr) | 1971-02-05 |
NL144410B (nl) | 1974-12-16 |
ES375686A1 (es) | 1972-05-16 |
IL33654A (en) | 1973-08-29 |
NL7001934A (fr) | 1970-10-06 |
JPS5147039B1 (fr) | 1976-12-13 |
DE2004584B2 (de) | 1971-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |