NL161280C - Brandmeldinrichting. - Google Patents
Brandmeldinrichting.Info
- Publication number
- NL161280C NL161280C NL6801899.A NL6801899A NL161280C NL 161280 C NL161280 C NL 161280C NL 6801899 A NL6801899 A NL 6801899A NL 161280 C NL161280 C NL 161280C
- Authority
- NL
- Netherlands
- Prior art keywords
- fire alarm
- alarm
- fire
- 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
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
-
- 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
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR94266A FR1540305A (fr) | 1967-02-09 | 1967-02-09 | Dispositif perfectionné de détection d'incendie |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6801899A NL6801899A (nl) | 1968-08-12 |
NL161280B NL161280B (nl) | 1979-08-15 |
NL161280C true NL161280C (nl) | 1980-01-15 |
Family
ID=8625028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6801899.A NL161280C (nl) | 1967-02-09 | 1968-02-09 | Brandmeldinrichting. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3582646A (nl) |
AT (1) | AT292510B (nl) |
BE (1) | BE710468A (nl) |
DE (1) | DE1616020B2 (nl) |
ES (1) | ES350324A1 (nl) |
FR (1) | FR1540305A (nl) |
GB (1) | GB1144624A (nl) |
NL (1) | NL161280C (nl) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3935492A (en) * | 1970-11-13 | 1976-01-27 | Nittan Company, Ltd. | Ionization smoke detector |
US3832552A (en) * | 1973-06-22 | 1974-08-27 | Honeywell Inc | Dual chamber ionization smoke detector |
FR2528980A1 (fr) * | 1982-06-17 | 1983-12-23 | Pgep | Detecteur de niveau d'ionisation d'un milieu gazeux controle par arc electrique |
CN107219548B (zh) * | 2017-07-31 | 2023-10-27 | 四川省核地质调查研究所 | 一种便携式反康普顿探测仪 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL99411C (nl) * | 1957-01-25 | |||
CH355380A (de) * | 1957-10-30 | 1961-06-30 | Cerberus Gmbh | Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases |
BE638121A (nl) * | 1962-10-12 |
-
1967
- 1967-02-09 FR FR94266A patent/FR1540305A/fr not_active Expired
-
1968
- 1968-02-06 US US703348A patent/US3582646A/en not_active Expired - Lifetime
- 1968-02-06 GB GB5834/68A patent/GB1144624A/en not_active Expired
- 1968-02-07 BE BE710468D patent/BE710468A/xx not_active IP Right Cessation
- 1968-02-09 AT AT126668A patent/AT292510B/de not_active IP Right Cessation
- 1968-02-09 NL NL6801899.A patent/NL161280C/nl not_active IP Right Cessation
- 1968-02-09 ES ES350324A patent/ES350324A1/es not_active Expired
- 1968-02-09 DE DE19681616020 patent/DE1616020B2/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US3582646A (en) | 1971-06-01 |
DE1616020B2 (de) | 1976-02-12 |
DE1616020A1 (de) | 1971-03-04 |
ES350324A1 (es) | 1969-04-16 |
NL6801899A (nl) | 1968-08-12 |
BE710468A (nl) | 1968-06-17 |
GB1144624A (en) | 1969-03-05 |
FR1540305A (fr) | 1968-09-27 |
NL161280B (nl) | 1979-08-15 |
AT292510B (de) | 1971-08-25 |
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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: VIGIFEU |