DK118061B - Branddetektor. - Google Patents
Branddetektor.Info
- Publication number
- DK118061B DK118061B DK257864AA DK257864A DK118061B DK 118061 B DK118061 B DK 118061B DK 257864A A DK257864A A DK 257864AA DK 257864 A DK257864 A DK 257864A DK 118061 B DK118061 B DK 118061B
- Authority
- DK
- Denmark
- Prior art keywords
- fire detector
- fire
- detector
- 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
-
- 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)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US283070A US3245067A (en) | 1963-05-24 | 1963-05-24 | Detection of products of combustion |
Publications (1)
Publication Number | Publication Date |
---|---|
DK118061B true DK118061B (da) | 1970-06-29 |
Family
ID=23084365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK257864AA DK118061B (da) | 1963-05-24 | 1964-05-23 | Branddetektor. |
Country Status (3)
Country | Link |
---|---|
US (1) | US3245067A (da) |
DK (1) | DK118061B (da) |
NO (1) | NO115947B (da) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE28915E (en) * | 1968-02-29 | 1976-07-20 | BRK Shareholders' Committee | Detection of products of combustion |
US3594751A (en) * | 1968-02-29 | 1971-07-20 | Brk Electronics | Detection of products of combustion |
US3611335A (en) * | 1968-11-13 | 1971-10-05 | Bbk Electronics Inc | Multiple combustion sensing device with false alarm prevention |
US3798625A (en) * | 1970-08-13 | 1974-03-19 | Sci Systems Inc | Rate-of-change combustion and combination detection apparatus |
US3987423A (en) * | 1975-12-22 | 1976-10-19 | The United States Of America As Represented By The United States Energy Research And Development Administration | Ionization-chamber smoke detector system |
WO1993008550A1 (en) * | 1991-10-24 | 1993-04-29 | Capteur Sensors & Analysers Ltd. | Fire detector and a method of detecting a fire |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3123812A (en) * | 1964-03-03 | woodling | ||
US2465377A (en) * | 1938-11-24 | 1949-03-29 | Banque Pour Entpr S Electr | Gas-sensing control means with gas-discharge device |
US2278920A (en) * | 1939-03-15 | 1942-04-07 | American District Telegraph Co | Photoelectric smoke detection system |
US2278248A (en) * | 1939-12-06 | 1942-03-31 | William A Darrah | Process and apparatus for monitoring gases |
GB557613A (en) * | 1940-05-03 | 1943-11-29 | British Thomson Houston Co Ltd | Improved arrangement for the indication of atmospheric moisture |
US2408051A (en) * | 1942-04-04 | 1946-09-24 | American District Telegraph Co | Fire and smoke detector and the like |
US2367561A (en) * | 1943-04-10 | 1945-01-16 | Michigan State Board Of Agricu | Electric hygrometer |
US2553420A (en) * | 1948-09-29 | 1951-05-15 | Photoswitch Inc | Radiation detector |
US2646556A (en) * | 1950-06-17 | 1953-07-21 | C O Two Fire Equipment Co | Supervised alarm system |
US2621239A (en) * | 1950-08-22 | 1952-12-09 | Photoswitch Inc | Heat detector for aircraft |
US2759174A (en) * | 1952-08-26 | 1956-08-14 | American District Telegraph Co | Fire detector |
NL94775C (da) * | 1953-02-14 | |||
US2826072A (en) * | 1953-06-08 | 1958-03-11 | Honeywell Regulator Co | Control apparatus |
US2702898A (en) * | 1953-10-06 | 1955-02-22 | Electro Watt Electrical And In | Gas-responsive control apparatus |
US2828450A (en) * | 1955-05-09 | 1958-03-25 | Honeywell Regulator Co | Transistor controller |
US2901740A (en) * | 1956-11-23 | 1959-08-25 | Specialties Dev Corp | Electrical network automatically responsive to a change in condition |
US3077774A (en) * | 1957-02-18 | 1963-02-19 | Energy Kontrols Inc | Humidity indicating device |
US3117311A (en) * | 1958-06-21 | 1964-01-07 | Frans C Lemaire | Fire detectors |
US3058079A (en) * | 1959-07-23 | 1962-10-09 | Frank E Jones | Hygrometer elements |
US3078450A (en) * | 1961-08-03 | 1963-02-19 | Martin J Mcginn | Pressure compensated ionization chamber fire detector system |
-
1963
- 1963-05-24 US US283070A patent/US3245067A/en not_active Expired - Lifetime
-
1964
- 1964-05-12 NO NO153215A patent/NO115947B/no unknown
- 1964-05-23 DK DK257864AA patent/DK118061B/da unknown
Also Published As
Publication number | Publication date |
---|---|
US3245067A (en) | 1966-04-05 |
NO115947B (da) | 1968-12-30 |
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