JPS5147039B1 - - Google Patents
Info
- Publication number
- JPS5147039B1 JPS5147039B1 JP44025730A JP2573069A JPS5147039B1 JP S5147039 B1 JPS5147039 B1 JP S5147039B1 JP 44025730 A JP44025730 A JP 44025730A JP 2573069 A JP2573069 A JP 2573069A JP S5147039 B1 JPS5147039 B1 JP S5147039B1
- 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
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44025730A JPS5147039B1 (ja) | 1969-04-04 | 1969-04-04 | |
| BE732651A BE732651A (ja) | 1969-04-04 | 1969-05-07 | |
| IL33654A IL33654A (en) | 1969-04-04 | 1970-01-02 | Ionization smoke detector |
| ES375686A ES375686A1 (es) | 1969-04-04 | 1970-01-20 | Un detector de humos. |
| DE19702004584 DE2004584B2 (de) | 1969-04-04 | 1970-02-02 | Ionisationskammer rauchmelder |
| NL707001934A NL144410B (nl) | 1969-04-04 | 1970-02-11 | Rookdetectorketen. |
| FR7004935A FR2042047A5 (ja) | 1969-04-04 | 1970-02-12 | |
| GB8573/70A GB1269911A (en) | 1969-04-04 | 1970-02-23 | Smoke detector |
| AT183670A AT297544B (de) | 1969-04-04 | 1970-02-27 | Ionisationskammer-Rauchmelder |
| SE04027/70A SE350634B (ja) | 1969-04-04 | 1970-03-24 | |
| CH489170A CH498457A (de) | 1969-04-04 | 1970-04-02 | Rauchmelder mit zwei Ionisationskammern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44025730A JPS5147039B1 (ja) | 1969-04-04 | 1969-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5147039B1 true JPS5147039B1 (ja) | 1976-12-13 |
Family
ID=12173907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44025730A Pending JPS5147039B1 (ja) | 1969-04-04 | 1969-04-04 |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5147039B1 (ja) |
| AT (1) | AT297544B (ja) |
| BE (1) | BE732651A (ja) |
| CH (1) | CH498457A (ja) |
| DE (1) | DE2004584B2 (ja) |
| ES (1) | ES375686A1 (ja) |
| FR (1) | FR2042047A5 (ja) |
| GB (1) | GB1269911A (ja) |
| IL (1) | IL33654A (ja) |
| NL (1) | NL144410B (ja) |
| SE (1) | SE350634B (ja) |
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 |
|---|---|
| NL7001934A (ja) | 1970-10-06 |
| ES375686A1 (es) | 1972-05-16 |
| AT297544B (de) | 1972-03-27 |
| NL144410B (nl) | 1974-12-16 |
| FR2042047A5 (ja) | 1971-02-05 |
| CH498457A (de) | 1970-10-31 |
| SE350634B (ja) | 1972-10-30 |
| DE2004584B2 (de) | 1971-12-23 |
| DE2004584A1 (de) | 1970-11-26 |
| BE732651A (ja) | 1969-10-16 |
| IL33654A (en) | 1973-08-29 |
| IL33654A0 (en) | 1970-03-22 |
| GB1269911A (en) | 1972-04-06 |