CA1038472A - Shutter for optical detection - Google Patents
Shutter for optical detectionInfo
- Publication number
- CA1038472A CA1038472A CA231,233A CA231233A CA1038472A CA 1038472 A CA1038472 A CA 1038472A CA 231233 A CA231233 A CA 231233A CA 1038472 A CA1038472 A CA 1038472A
- Authority
- CA
- Canada
- Prior art keywords
- shutter
- aperture
- shutter member
- axis
- mask
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 title claims abstract description 6
- 230000005855 radiation Effects 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 206010052804 Drug tolerance Diseases 0.000 description 1
- 101100238304 Mus musculus Morc1 gene Proteins 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/04—Means for supervising combustion, e.g. windows
- F23M11/045—Means for supervising combustion, e.g. windows by observing the flame
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT25906/74A IT1017844B (it) | 1974-08-02 | 1974-08-02 | Otturatore ottico per la verifica del funzionamento di rivelatori di fiamma |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1038472A true CA1038472A (en) | 1978-09-12 |
Family
ID=11218096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA231,233A Expired CA1038472A (en) | 1974-08-02 | 1975-07-10 | Shutter for optical detection |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3993900A (en, 2012) |
| BE (1) | BE830141A (en, 2012) |
| CA (1) | CA1038472A (en, 2012) |
| CH (1) | CH586876A5 (en, 2012) |
| DE (1) | DE2523149C2 (en, 2012) |
| ES (1) | ES437570A1 (en, 2012) |
| FR (1) | FR2280863A1 (en, 2012) |
| GB (1) | GB1480447A (en, 2012) |
| IT (1) | IT1017844B (en, 2012) |
| NL (1) | NL185100C (en, 2012) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6142092Y2 (en, 2012) * | 1979-01-12 | 1986-11-29 | ||
| US4398801A (en) * | 1981-05-14 | 1983-08-16 | Mcwilliams Roy A | Detonator-activated ball shutter |
| JPS63243628A (ja) * | 1987-03-31 | 1988-10-11 | Toshiba Corp | 火炎検出装置 |
| US5008534A (en) * | 1988-08-30 | 1991-04-16 | Omron Tateisi Electronics Co. | Contactless switch having translating focusing/defocusing lens |
| FR2666138B1 (fr) * | 1990-08-24 | 1992-12-11 | Pillard Chauffage | Detecteur de flamme d'un bruleur. |
| EP1273955A1 (de) * | 2001-07-04 | 2003-01-08 | MUETEC Automatisierte Mikroskopie und Messtechnik GmbH | Optische Verschlussvorrichtung |
| CN114078310A (zh) * | 2020-08-20 | 2022-02-22 | 北京弘视安控科技有限公司 | 一种点型紫外火焰传感器及控制器检测系统 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1929400A (en) * | 1929-12-06 | 1933-10-03 | Schulte Fritz | Light relay compass for direction and indication |
| US2100934A (en) * | 1936-02-05 | 1937-11-30 | Eclipse Aviat Corp | Aircraft |
| US3336482A (en) * | 1964-06-19 | 1967-08-15 | Square D Co | Plunger operated photoelectric switch convertible from normally on to normally off |
| US3538332A (en) * | 1967-12-27 | 1970-11-03 | Combustion Eng | Flame scanner with head means incorporating mechanical shutter checking device |
| US3594746A (en) * | 1967-12-27 | 1971-07-20 | Combustion Eng | Flame scanner fault detection system |
| US3609382A (en) * | 1969-08-15 | 1971-09-28 | Forney International | Light detector with cleaning and testing means |
| BE756604A (fr) * | 1969-09-26 | 1971-03-01 | Electronics Corp America | Dispositif analyseur, notamment pour la regulation d'une combustion |
| FR2271714B1 (en, 2012) * | 1973-11-22 | 1976-10-01 | France Etat |
-
1974
- 1974-08-02 IT IT25906/74A patent/IT1017844B/it active
-
1975
- 1975-04-29 CH CH547775A patent/CH586876A5/xx not_active IP Right Cessation
- 1975-05-09 GB GB19567/75A patent/GB1480447A/en not_active Expired
- 1975-05-10 ES ES437570A patent/ES437570A1/es not_active Expired
- 1975-05-24 DE DE2523149A patent/DE2523149C2/de not_active Expired
- 1975-05-27 FR FR7516489A patent/FR2280863A1/fr active Granted
- 1975-05-28 NL NLAANVRAGE7506287,A patent/NL185100C/xx not_active IP Right Cessation
- 1975-06-12 BE BE2054395A patent/BE830141A/xx not_active IP Right Cessation
- 1975-07-07 US US05/593,447 patent/US3993900A/en not_active Expired - Lifetime
- 1975-07-10 CA CA231,233A patent/CA1038472A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3993900A (en) | 1976-11-23 |
| NL185100B (nl) | 1989-08-16 |
| ES437570A1 (es) | 1977-01-16 |
| GB1480447A (en) | 1977-07-20 |
| CH586876A5 (en, 2012) | 1977-04-15 |
| DE2523149C2 (de) | 1984-02-02 |
| IT1017844B (it) | 1977-08-10 |
| FR2280863B1 (en, 2012) | 1980-01-18 |
| NL185100C (nl) | 1990-01-16 |
| NL7506287A (nl) | 1976-02-04 |
| FR2280863A1 (fr) | 1976-02-27 |
| BE830141A (fr) | 1975-10-01 |
| DE2523149A1 (de) | 1976-02-12 |
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