NL7004720A - - Google Patents
Info
- Publication number
- NL7004720A NL7004720A NL7004720A NL7004720A NL7004720A NL 7004720 A NL7004720 A NL 7004720A NL 7004720 A NL7004720 A NL 7004720A NL 7004720 A NL7004720 A NL 7004720A NL 7004720 A NL7004720 A NL 7004720A
- Authority
- NL
- Netherlands
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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4688769 | 1969-06-16 | ||
| JP4688669 | 1969-06-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7004720A true NL7004720A (de) | 1970-12-18 |
| NL150595B NL150595B (nl) | 1976-08-16 |
Family
ID=26387034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL707004720A NL150595B (nl) | 1969-06-16 | 1970-04-02 | Ionisatierookdetector. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3718919A (de) |
| AT (1) | AT301398B (de) |
| DE (1) | DE2029752B2 (de) |
| ES (1) | ES378081A1 (de) |
| FR (1) | FR2054574B1 (de) |
| GB (1) | GB1254839A (de) |
| IL (1) | IL34107A (de) |
| NL (1) | NL150595B (de) |
| SE (1) | SE348576B (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2130445C3 (de) * | 1971-06-19 | 1981-06-04 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung für zur Meldung und Signalisierung dienende Linienstromkreise |
| US4020415A (en) * | 1974-12-30 | 1977-04-26 | Unitec, Inc. | Combustion product indicator |
| CH586941A5 (de) * | 1975-07-25 | 1977-04-15 | Cerberus Ag | |
| USRE30117E (en) * | 1975-07-25 | 1979-10-16 | Cerberus Ag | Ionization-type fire or smoke sensing system |
| US4083037A (en) * | 1975-12-08 | 1978-04-04 | Patent Development & Management Company | Detection circuit |
-
1970
- 1970-03-17 US US00020353A patent/US3718919A/en not_active Expired - Lifetime
- 1970-03-18 IL IL34107A patent/IL34107A/xx unknown
- 1970-03-31 ES ES378081A patent/ES378081A1/es not_active Expired
- 1970-04-02 NL NL707004720A patent/NL150595B/xx unknown
- 1970-05-04 SE SE06098/70A patent/SE348576B/xx unknown
- 1970-06-09 GB GB27795/70A patent/GB1254839A/en not_active Expired
- 1970-06-15 AT AT537870A patent/AT301398B/de not_active IP Right Cessation
- 1970-06-16 DE DE19702029752 patent/DE2029752B2/de active Granted
- 1970-06-16 FR FR707022060A patent/FR2054574B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL34107A0 (en) | 1970-05-21 |
| DE2029752B2 (de) | 1971-12-02 |
| NL150595B (nl) | 1976-08-16 |
| GB1254839A (en) | 1971-11-24 |
| FR2054574A1 (de) | 1971-04-23 |
| AT301398B (de) | 1972-09-11 |
| DE2029752A1 (de) | 1971-01-07 |
| US3718919A (en) | 1973-02-27 |
| FR2054574B1 (de) | 1973-03-16 |
| ES378081A1 (es) | 1972-12-01 |
| IL34107A (en) | 1972-09-28 |
| SE348576B (de) | 1972-09-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application | ||
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: NITTAN |