IT1044991B - FIRE-REPORTING IONIZATION DEVICE - Google Patents
FIRE-REPORTING IONIZATION DEVICEInfo
- Publication number
- IT1044991B IT1044991B IT6832972A IT6832972A IT1044991B IT 1044991 B IT1044991 B IT 1044991B IT 6832972 A IT6832972 A IT 6832972A IT 6832972 A IT6832972 A IT 6832972A IT 1044991 B IT1044991 B IT 1044991B
- Authority
- IT
- Italy
- Prior art keywords
- reporting
- fire
- ionization device
- ionization
- reporting ionization
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712121382 DE2121382A1 (en) | 1971-04-30 | 1971-04-30 | Iomsations fire alarm |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1044991B true IT1044991B (en) | 1980-04-21 |
Family
ID=5806502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT6832972A IT1044991B (en) | 1971-04-30 | 1972-04-28 | FIRE-REPORTING IONIZATION DEVICE |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2121382A1 (en) |
IT (1) | IT1044991B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2454196C3 (en) * | 1974-06-14 | 1985-02-07 | Cerberus AG, Männedorf, Zürich | Fire alarm system |
CA1067597A (en) * | 1975-06-23 | 1979-12-04 | William J. Malinowski | Smoke detector |
DE2546970C3 (en) * | 1975-10-20 | 1981-09-10 | Preussag Ag Feuerschutz, 2060 Bad Oldesloe | Ionization smoke detector |
US4013913A (en) * | 1976-01-19 | 1977-03-22 | Hnu Systems Inc. | Ion detection electrode arrangement |
US5189399A (en) * | 1989-02-18 | 1993-02-23 | Hartwig Beyersdorf | Method of operating an ionization smoke alarm and ionization smoke alarm |
DE3904979A1 (en) * | 1989-02-18 | 1990-08-23 | Beyersdorf Hartwig | METHOD FOR OPERATING AN IONIZATION SMOKE DETECTOR AND IONIZATION SMOKE DETECTOR |
-
1971
- 1971-04-30 DE DE19712121382 patent/DE2121382A1/en not_active Ceased
-
1972
- 1972-04-28 IT IT6832972A patent/IT1044991B/en active
Also Published As
Publication number | Publication date |
---|---|
DE2121382A1 (en) | 1972-12-21 |
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