DE2205690A1 - Schaltung zur Verarbeitung der von einem elektro optischen Wandler gehefer ten Signale - Google Patents
Schaltung zur Verarbeitung der von einem elektro optischen Wandler gehefer ten SignaleInfo
- Publication number
- DE2205690A1 DE2205690A1 DE19722205690 DE2205690A DE2205690A1 DE 2205690 A1 DE2205690 A1 DE 2205690A1 DE 19722205690 DE19722205690 DE 19722205690 DE 2205690 A DE2205690 A DE 2205690A DE 2205690 A1 DE2205690 A1 DE 2205690A1
- Authority
- DE
- Germany
- Prior art keywords
- amplifier
- circuit
- signal
- circuit according
- converter
- 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.)
- Pending
Links
- 238000012545 processing Methods 0.000 title claims description 5
- 239000003990 capacitor Substances 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000007774 longterm Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000033764 rhythmic process Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 230000004044 response Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 7
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 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
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/065—Investigating concentration of particle suspensions using condensation nuclei counters
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Amplifiers (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11356171A | 1971-02-08 | 1971-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2205690A1 true DE2205690A1 (de) | 1972-08-10 |
Family
ID=22350143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722205690 Pending DE2205690A1 (de) | 1971-02-08 | 1972-02-07 | Schaltung zur Verarbeitung der von einem elektro optischen Wandler gehefer ten Signale |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3678488A (enExample) |
| CA (1) | CA1003524A (enExample) |
| CH (1) | CH549250A (enExample) |
| DE (1) | DE2205690A1 (enExample) |
| FR (1) | FR2128315B1 (enExample) |
| GB (2) | GB1379922A (enExample) |
| IT (1) | IT947365B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2327497C3 (de) * | 1973-05-30 | 1981-12-24 | Benno 5430 Wettingen Aargau Perren | Melder für Widerstandsänderungen mit nachgeschalteter Alarmeinrichtung |
| GB8913773D0 (en) * | 1989-06-15 | 1989-08-02 | Fire Fighting Enterprises Uk L | Particle detectors |
| JP3231886B2 (ja) * | 1993-03-31 | 2001-11-26 | 能美防災株式会社 | 光電式火災感知器 |
| WO2001073381A2 (en) † | 2000-03-28 | 2001-10-04 | Matsushita Electric Works, Ltd. | Particle sensor |
| US9239025B2 (en) * | 2009-06-29 | 2016-01-19 | GM Global Technology Operations LLC | Condensation detection systems and methods |
| CN113327395A (zh) * | 2021-05-13 | 2021-08-31 | 蚌埠依爱消防电子有限责任公司 | 一种扩大光电式烟雾探测器响应量程的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3618061A (en) * | 1969-04-30 | 1971-11-02 | Eaton Yale & Towne | Monitoring apparatus for monitoring the density of a material carried by a fluid and the flow of the fluid |
-
1971
- 1971-02-08 US US113561A patent/US3678488A/en not_active Expired - Lifetime
-
1972
- 1972-02-07 CH CH174372A patent/CH549250A/xx not_active IP Right Cessation
- 1972-02-07 IT IT20304/72A patent/IT947365B/it active
- 1972-02-07 CA CA134,048A patent/CA1003524A/en not_active Expired
- 1972-02-07 DE DE19722205690 patent/DE2205690A1/de active Pending
- 1972-02-08 FR FR7204088A patent/FR2128315B1/fr not_active Expired
- 1972-02-08 GB GB1468673A patent/GB1379922A/en not_active Expired
- 1972-02-08 GB GB585672A patent/GB1379921A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH549250A (de) | 1974-05-15 |
| CA1003524A (en) | 1977-01-11 |
| GB1379921A (en) | 1975-01-08 |
| IT947365B (it) | 1973-05-21 |
| GB1379922A (en) | 1975-01-08 |
| FR2128315B1 (enExample) | 1976-08-20 |
| FR2128315A1 (enExample) | 1972-09-22 |
| US3678488A (en) | 1972-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0530723A1 (de) | Optischer Rauchmelder mit aktiver Überwachung | |
| DE4400363A1 (de) | Rauchmelder mit der Fähigkeit, sowohl Rauch als auch feine Partikel zu erkennen | |
| DE2205634A1 (de) | Anlage zur Feuer und/oder Gasuberwa chung mehrerer Uberwachungsstellen | |
| DE2151290A1 (de) | UEberwachungsgeraet fuer eine laufende Werkstoffbahn | |
| CH640651A5 (de) | Rauchdetektoreinrichtung. | |
| DE2630431A1 (de) | Batteriespannungsdetektor und warneinrichtung | |
| DE1566708A1 (de) | Ruhestrom-UEberwachungsanlage | |
| DE2205690A1 (de) | Schaltung zur Verarbeitung der von einem elektro optischen Wandler gehefer ten Signale | |
| DE3141374C2 (enExample) | ||
| DE3207993A1 (de) | Zweiweg-gegenverkehrs-feuermelder | |
| DE1081804B (de) | Feuermeldeanlage | |
| DE3904979C2 (enExample) | ||
| DE1925937A1 (de) | Anordnung zur Kontrolle und UEberwachung der Guete der Oberflaechenbearbeitung | |
| DE2604753A1 (de) | Hochimpedanz-schaltkreisanordnung mit ionisationsrauchsensoren | |
| DE2448195A1 (de) | Rauchdetektor mit schaltung zum betrieb desselben | |
| DE2610571C2 (de) | Überwachungseinrichtung für Kühlbehälter, insbesondere Kühlcontainer | |
| DE1441433B2 (de) | Alarmvorrichtung mit optischer Anzeige | |
| DE2738198A1 (de) | Vorrichtung zur erfassung der aenderung einer gewaehlten bedingung | |
| DE2052504C3 (de) | Temperatur-MeB- und Regelvorrichtung | |
| CH379974A (de) | Feuermeldeanlage mit mindestens einem Aerosol-Indikator zur Feststellung von in Luft schwebenden Verbrennungsprodukten | |
| DE3340611A1 (de) | Elektronischer relaisschalter | |
| DE2105917A1 (de) | Rauchanzeigegerat | |
| DE2937686A1 (de) | Kombinationsdetektor | |
| DE1566688B2 (de) | Verfahren und Vorrichtung zum Feststellen des Vorhandenseins von Fremdstoffen in einem Gas | |
| DE2140297B2 (de) | Einrichtung zur Detektion und zur Anzeige von Feuer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHW | Rejection |