FI55731B - ALARMANORDNING - Google Patents
ALARMANORDNINGInfo
- Publication number
- FI55731B FI55731B FI3738/69A FI373869A FI55731B FI 55731 B FI55731 B FI 55731B FI 3738/69 A FI3738/69 A FI 3738/69A FI 373869 A FI373869 A FI 373869A FI 55731 B FI55731 B FI 55731B
- Authority
- FI
- Finland
- Prior art keywords
- alarmanordning
- Prior art date
Links
Classifications
-
- 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
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9561468 | 1968-12-26 | ||
JP3401269 | 1969-05-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI55731B true FI55731B (en) | 1979-05-31 |
FI55731C FI55731C (en) | 1979-09-10 |
Family
ID=26372801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI3738/69A FI55731C (en) | 1968-12-26 | 1969-12-23 | ALARMANORDNING |
Country Status (9)
Country | Link |
---|---|
US (1) | US3733596A (en) |
CA (1) | CA975856A (en) |
CH (1) | CH519760A (en) |
DE (1) | DE1964764B2 (en) |
FI (1) | FI55731C (en) |
FR (1) | FR2027150A1 (en) |
GB (1) | GB1298083A (en) |
SE (1) | SE355098B (en) |
YU (1) | YU32739B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50129292A (en) * | 1974-03-30 | 1975-10-13 | ||
US3961195A (en) * | 1974-08-26 | 1976-06-01 | Timothy John Newington | Fire detector having means for heating the support member of an electrode to prevent formation of moisture thereon |
JPS5538000Y2 (en) * | 1975-10-03 | 1980-09-05 | ||
DE2638068C3 (en) * | 1976-08-24 | 1986-11-13 | Siemens AG, 1000 Berlin und 8000 München | Fire alarm system with several detectors that can be operated via a message loop |
DE2641489C2 (en) * | 1976-09-15 | 1984-05-30 | Siemens AG, 1000 Berlin und 8000 München | Method for the transmission of measured values in a fire alarm system |
JPS5760147Y2 (en) * | 1977-07-04 | 1982-12-22 | ||
US4207558A (en) * | 1978-04-03 | 1980-06-10 | Pittway Corporation | Interconnection circuit for a plurality of alarm units |
JPS5831275Y2 (en) * | 1978-08-26 | 1983-07-11 | ホーチキ株式会社 | ionization smoke detector |
US5898369A (en) * | 1996-01-18 | 1999-04-27 | Godwin; Paul K. | Communicating hazardous condition detector |
EP1344069B1 (en) * | 2000-12-20 | 2007-08-22 | Metrix Instrument Company | Impact transmitter for reciprocating machines |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877453A (en) * | 1956-01-17 | 1959-03-10 | Jr Alfred L Mendenhall | Smoke detecting device |
BE564961A (en) * | 1957-02-19 | |||
US3018376A (en) * | 1957-11-29 | 1962-01-23 | Nat Res Corp | Gas density measurement |
NL298945A (en) * | 1962-10-12 | |||
US3555532A (en) * | 1968-10-29 | 1971-01-12 | Graham Stuart Corp | Vapor or particle detection device |
-
1969
- 1969-12-23 GB GB62602/69A patent/GB1298083A/en not_active Expired
- 1969-12-23 CA CA070,740A patent/CA975856A/en not_active Expired
- 1969-12-23 SE SE17846/69A patent/SE355098B/xx unknown
- 1969-12-23 FI FI3738/69A patent/FI55731C/en active
- 1969-12-24 DE DE19691964764 patent/DE1964764B2/en not_active Ceased
- 1969-12-26 CH CH1930769A patent/CH519760A/en not_active IP Right Cessation
- 1969-12-26 FR FR6945059A patent/FR2027150A1/fr not_active Withdrawn
- 1969-12-26 YU YU3230/69A patent/YU32739B/en unknown
-
1972
- 1972-05-16 US US00253868A patent/US3733596A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE355098B (en) | 1973-04-02 |
DE1964764A1 (en) | 1970-11-26 |
YU323069A (en) | 1974-12-31 |
CH519760A (en) | 1972-02-29 |
US3733596A (en) | 1973-05-15 |
GB1298083A (en) | 1972-11-29 |
FR2027150A1 (en) | 1970-09-25 |
CA975856A (en) | 1975-10-07 |
FI55731C (en) | 1979-09-10 |
YU32739B (en) | 1975-06-30 |
DE1964764B2 (en) | 1977-11-03 |
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