NL168068C - IONIZATION SMOKE DETECTOR. - Google Patents
IONIZATION SMOKE DETECTOR.Info
- Publication number
- NL168068C NL168068C NL7416638A NL7416638A NL168068C NL 168068 C NL168068 C NL 168068C NL 7416638 A NL7416638 A NL 7416638A NL 7416638 A NL7416638 A NL 7416638A NL 168068 C NL168068 C NL 168068C
- Authority
- NL
- Netherlands
- Prior art keywords
- smoke detector
- ionization smoke
- ionization
- detector
- smoke
- 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
- 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)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE7402420 | 1974-01-24 | ||
DE2403418A DE2403418B1 (en) | 1974-01-24 | 1974-01-24 | ionization fire detectors |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7416638A NL7416638A (en) | 1975-07-28 |
NL168068B NL168068B (en) | 1981-09-16 |
NL168068C true NL168068C (en) | 1982-02-16 |
Family
ID=25766505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7416638A NL168068C (en) | 1974-01-24 | 1974-12-20 | IONIZATION SMOKE DETECTOR. |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL168068C (en) |
-
1974
- 1974-12-20 NL NL7416638A patent/NL168068C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL168068B (en) | 1981-09-16 |
NL7416638A (en) | 1975-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Lapsed because of reaching the maxim lifetime of a patent |