DK126607C - Ioniseringsbrandalarmeringsapparat - Google Patents
IoniseringsbrandalarmeringsapparatInfo
- Publication number
- DK126607C DK126607C DK59467A DK59467A DK126607C DK 126607 C DK126607 C DK 126607C DK 59467 A DK59467 A DK 59467A DK 59467 A DK59467 A DK 59467A DK 126607 C DK126607 C DK 126607C
- Authority
- DK
- Denmark
- Prior art keywords
- fire alarm
- ionization fire
- ionization
- 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
- G08B17/10—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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH254966A CH446131A (de) | 1966-02-22 | 1966-02-22 | Ionisationsfeuermelderanlage |
Publications (2)
Publication Number | Publication Date |
---|---|
DK126607B DK126607B (da) | 1973-07-30 |
DK126607C true DK126607C (da) | 1977-06-20 |
Family
ID=4236285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK59467A DK126607C (da) | 1966-02-22 | 1967-02-02 | Ioniseringsbrandalarmeringsapparat |
Country Status (10)
Country | Link |
---|---|
US (1) | US3521263A (xx) |
AT (1) | AT268101B (xx) |
BE (1) | BE694152A (xx) |
CH (1) | CH446131A (xx) |
DE (1) | DE1259227B (xx) |
DK (1) | DK126607C (xx) |
FR (1) | FR1511451A (xx) |
GB (1) | GB1109587A (xx) |
NL (1) | NL162493C (xx) |
SE (1) | SE328226B (xx) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO129270B (xx) * | 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 (xx) * | 1932-11-07 | |||
NL286979A (xx) * | 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 |
---|---|
US3521263A (en) | 1970-07-21 |
BE694152A (xx) | 1967-07-31 |
NL6701753A (xx) | 1967-08-23 |
GB1109587A (en) | 1968-04-10 |
NL162493C (nl) | 1980-05-16 |
CH446131A (de) | 1967-10-31 |
NL162493B (nl) | 1979-12-17 |
SE328226B (xx) | 1970-09-07 |
FR1511451A (fr) | 1968-01-26 |
DE1259227B (de) | 1968-01-18 |
AT268101B (de) | 1969-01-27 |
DK126607B (da) | 1973-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |