NL6701753A - - Google Patents
Info
- Publication number
- NL6701753A NL6701753A NL6701753A NL6701753A NL6701753A NL 6701753 A NL6701753 A NL 6701753A NL 6701753 A NL6701753 A NL 6701753A NL 6701753 A NL6701753 A NL 6701753A NL 6701753 A NL6701753 A NL 6701753A
- 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
- 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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH254966A CH446131A (de) | 1966-02-22 | 1966-02-22 | Ionisationsfeuermelderanlage |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6701753A true NL6701753A (hu) | 1967-08-23 |
NL162493B NL162493B (nl) | 1979-12-17 |
NL162493C NL162493C (nl) | 1980-05-16 |
Family
ID=4236285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6701753.A NL162493C (nl) | 1966-02-22 | 1967-02-05 | Ionisatiebrandmelder. |
Country Status (10)
Country | Link |
---|---|
US (1) | US3521263A (hu) |
AT (1) | AT268101B (hu) |
BE (1) | BE694152A (hu) |
CH (1) | CH446131A (hu) |
DE (1) | DE1259227B (hu) |
DK (1) | DK126607C (hu) |
FR (1) | FR1511451A (hu) |
GB (1) | GB1109587A (hu) |
NL (1) | NL162493C (hu) |
SE (1) | SE328226B (hu) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO129270B (hu) * | 1970-05-16 | 1974-03-18 | Preussag Ag Feuerschutz | |
US3775616A (en) * | 1970-06-08 | 1973-11-27 | Nittan Co Ltd | Ionization smoke detector |
US3735138A (en) * | 1971-10-27 | 1973-05-22 | Honeywell Inc | Ionization smoke detector |
US3913082A (en) * | 1973-02-02 | 1975-10-14 | Jenson Robert S | Ionization aerosol detector |
US4038649A (en) * | 1975-09-16 | 1977-07-26 | Emhart Industries, Inc. | Smoke detection alarm device |
US4053776A (en) * | 1976-05-25 | 1977-10-11 | The United States Of America As Represented By Thesecretary Of The Interior | Sub-micron particle detector |
US4286160A (en) * | 1977-01-27 | 1981-08-25 | Ried Jr Louis | Ionization particle detector |
CA1148279A (en) * | 1979-12-14 | 1983-06-14 | Andreas Scheidweiler | Ionization smoke detector with increased operational reliability |
US4488044A (en) * | 1981-11-20 | 1984-12-11 | Pittway Corporation | Ionization chamber for smoke detector and the like |
US4755682A (en) * | 1986-10-07 | 1988-07-05 | The United States Of America As Represented By The United States Department Of Energy | Ionization monitor with improved ultra-high megohm resistor |
US4808977A (en) * | 1987-08-20 | 1989-02-28 | Hedrick Terry J | Electromechanical evacuation exit indicating flag |
US5189399A (en) * | 1989-02-18 | 1993-02-23 | Hartwig Beyersdorf | Method of operating an ionization smoke alarm and ionization smoke alarm |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2145866A (en) * | 1929-08-14 | 1939-02-07 | Gioacchino Failla | Electrotechnique |
BE393134A (hu) * | 1932-11-07 | |||
NL286979A (hu) * | 1962-01-10 | 1900-01-01 | ||
GB1009271A (en) * | 1963-03-04 | 1965-11-10 | Associated Fire Alarms Ltd | Improvements in or relating to smoke detector circuits |
-
1966
- 1966-02-22 CH CH254966A patent/CH446131A/de unknown
-
1967
- 1967-01-25 DE DEC41323A patent/DE1259227B/de active Pending
- 1967-01-27 AT AT78267A patent/AT268101B/de active
- 1967-02-02 DK DK59467A patent/DK126607C/da not_active IP Right Cessation
- 1967-02-05 NL NL6701753.A patent/NL162493C/xx not_active IP Right Cessation
- 1967-02-15 FR FR95041A patent/FR1511451A/fr not_active Expired
- 1967-02-16 BE BE694152D patent/BE694152A/xx not_active IP Right Cessation
- 1967-02-20 US US617226A patent/US3521263A/en not_active Expired - Lifetime
- 1967-02-21 SE SE02364/67A patent/SE328226B/xx unknown
- 1967-02-22 GB GB8469/67A patent/GB1109587A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DK126607B (da) | 1973-07-30 |
FR1511451A (fr) | 1968-01-26 |
NL162493B (nl) | 1979-12-17 |
US3521263A (en) | 1970-07-21 |
CH446131A (de) | 1967-10-31 |
DE1259227B (de) | 1968-01-18 |
SE328226B (hu) | 1970-09-07 |
BE694152A (hu) | 1967-07-31 |
NL162493C (nl) | 1980-05-16 |
GB1109587A (en) | 1968-04-10 |
DK126607C (da) | 1977-06-20 |
AT268101B (de) | 1969-01-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Discontinued because of reaching the maximum lifetime of a patent |