NL7002991A - - Google Patents
Info
- Publication number
- NL7002991A NL7002991A NL7002991A NL7002991A NL7002991A NL 7002991 A NL7002991 A NL 7002991A NL 7002991 A NL7002991 A NL 7002991A NL 7002991 A NL7002991 A NL 7002991A NL 7002991 A NL7002991 A NL 7002991A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/12—Provision for actuation of an alarm
- G01T7/125—Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3401269 | 1969-05-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7002991A true NL7002991A (fr) | 1970-11-05 |
| NL152456B NL152456B (nl) | 1977-03-15 |
Family
ID=12402492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7002991A NL152456B (nl) | 1969-05-03 | 1970-03-03 | Detector. |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE749803A (fr) |
| CS (1) | CS178855B2 (fr) |
| ES (1) | ES379997A1 (fr) |
| NL (1) | NL152456B (fr) |
-
1970
- 1970-03-03 NL NL7002991A patent/NL152456B/xx not_active IP Right Cessation
- 1970-04-30 BE BE749803D patent/BE749803A/fr unknown
- 1970-04-30 CS CS304770A patent/CS178855B2/cs unknown
- 1970-04-30 ES ES379997A patent/ES379997A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES379997A1 (es) | 1972-10-16 |
| NL152456B (nl) | 1977-03-15 |
| CS178855B2 (en) | 1977-10-31 |
| BE749803A (fr) | 1970-10-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HOCHIKI |