DE1964764B2 - Alarmvorrichtung - Google Patents
AlarmvorrichtungInfo
- Publication number
- DE1964764B2 DE1964764B2 DE19691964764 DE1964764A DE1964764B2 DE 1964764 B2 DE1964764 B2 DE 1964764B2 DE 19691964764 DE19691964764 DE 19691964764 DE 1964764 A DE1964764 A DE 1964764A DE 1964764 B2 DE1964764 B2 DE 1964764B2
- Authority
- DE
- Germany
- Prior art keywords
- alarm
- circuit
- signal
- output signal
- amplifier circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 239000003990 capacitor Substances 0.000 claims description 20
- 230000007613 environmental effect Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims 1
- 230000005669 field effect Effects 0.000 description 24
- 239000000779 smoke Substances 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000941 radioactive substance Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (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 |
|---|---|
| DE1964764A1 DE1964764A1 (de) | 1970-11-26 |
| DE1964764B2 true DE1964764B2 (de) | 1977-11-03 |
Family
ID=26372801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691964764 Ceased DE1964764B2 (de) | 1968-12-26 | 1969-12-24 | Alarmvorrichtung |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2641489A1 (de) * | 1976-09-15 | 1978-03-16 | Siemens Ag | Verfahren zur uebertragung unterschiedlicher analoger messwerte an eine zentrale von mehreren kettenfoermig an einer meldelinie liegenden brandmeldern |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50129292A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1975-10-03 | 1980-09-05 | ||
| DE2638068C3 (de) * | 1976-08-24 | 1986-11-13 | Siemens AG, 1000 Berlin und 8000 München | Brandmeldeanlage mit mehreren über eine Meldeschleife betreibbaren Meldern |
| JPS5760147Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 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 (ja) * | 1978-08-26 | 1983-07-11 | ホーチキ株式会社 | イオン化式煙感知器 |
| US5898369A (en) * | 1996-01-18 | 1999-04-27 | Godwin; Paul K. | Communicating hazardous condition detector |
| WO2002050554A2 (en) * | 2000-12-20 | 2002-06-27 | 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 |
| NL224947A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1957-02-19 | |||
| US3018376A (en) * | 1957-11-29 | 1962-01-23 | Nat Res Corp | Gas density measurement |
| NL298945A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1962-10-12 | |||
| US3555532A (en) * | 1968-10-29 | 1971-01-12 | Graham Stuart Corp | Vapor or particle detection device |
-
1969
- 1969-12-23 SE SE17846/69A patent/SE355098B/xx unknown
- 1969-12-23 CA CA070,740A patent/CA975856A/en not_active Expired
- 1969-12-23 GB GB62602/69A patent/GB1298083A/en not_active Expired
- 1969-12-23 FI FI3738/69A patent/FI55731C/fi active
- 1969-12-24 DE DE19691964764 patent/DE1964764B2/de not_active Ceased
- 1969-12-26 FR FR6945059A patent/FR2027150A1/fr not_active Withdrawn
- 1969-12-26 YU YU3230/69A patent/YU32739B/xx unknown
- 1969-12-26 CH CH1930769A patent/CH519760A/fr not_active IP Right Cessation
-
1972
- 1972-05-16 US US00253868A patent/US3733596A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2641489A1 (de) * | 1976-09-15 | 1978-03-16 | Siemens Ag | Verfahren zur uebertragung unterschiedlicher analoger messwerte an eine zentrale von mehreren kettenfoermig an einer meldelinie liegenden brandmeldern |
Also Published As
| Publication number | Publication date |
|---|---|
| CA975856A (en) | 1975-10-07 |
| YU323069A (en) | 1974-12-31 |
| GB1298083A (en) | 1972-11-29 |
| SE355098B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-04-02 |
| DE1964764A1 (de) | 1970-11-26 |
| FI55731B (fi) | 1979-05-31 |
| YU32739B (en) | 1975-06-30 |
| CH519760A (fr) | 1972-02-29 |
| US3733596A (en) | 1973-05-15 |
| FI55731C (fi) | 1979-09-10 |
| FR2027150A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-09-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BGA | New person/name/address of the applicant | ||
| 8235 | Patent refused |