DE2402865C2 - Lichtunterbrechungsvorrichtung für photometrische Meßgeräte - Google Patents
Lichtunterbrechungsvorrichtung für photometrische MeßgeräteInfo
- Publication number
- DE2402865C2 DE2402865C2 DE2402865A DE2402865A DE2402865C2 DE 2402865 C2 DE2402865 C2 DE 2402865C2 DE 2402865 A DE2402865 A DE 2402865A DE 2402865 A DE2402865 A DE 2402865A DE 2402865 C2 DE2402865 C2 DE 2402865C2
- Authority
- DE
- Germany
- Prior art keywords
- rotor
- motor
- light
- housing
- spoke
- 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
- 230000005855 radiation Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
- G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Diaphragms For Cameras (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2402865A DE2402865C2 (de) | 1974-01-22 | 1974-01-22 | Lichtunterbrechungsvorrichtung für photometrische Meßgeräte |
FR7435386A FR2258621B3 (en:Method) | 1974-01-22 | 1974-10-22 | |
IT30140/74A IT1026758B (it) | 1974-01-22 | 1974-12-03 | Dispositivo d interruzione della luce per strumenti fotografici di musura |
US05/541,135 US3970372A (en) | 1974-01-22 | 1975-01-15 | Motor driven light chopper |
JP50008599A JPS50104978A (en:Method) | 1974-01-22 | 1975-01-20 | |
GB240175A GB1447342A (en) | 1974-01-22 | 1975-01-20 | Light interruption device for photometric measuring equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2402865A DE2402865C2 (de) | 1974-01-22 | 1974-01-22 | Lichtunterbrechungsvorrichtung für photometrische Meßgeräte |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2402865A1 DE2402865A1 (de) | 1975-07-24 |
DE2402865C2 true DE2402865C2 (de) | 1983-03-24 |
Family
ID=5905361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2402865A Expired DE2402865C2 (de) | 1974-01-22 | 1974-01-22 | Lichtunterbrechungsvorrichtung für photometrische Meßgeräte |
Country Status (6)
Country | Link |
---|---|
US (1) | US3970372A (en:Method) |
JP (1) | JPS50104978A (en:Method) |
DE (1) | DE2402865C2 (en:Method) |
FR (1) | FR2258621B3 (en:Method) |
GB (1) | GB1447342A (en:Method) |
IT (1) | IT1026758B (en:Method) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3723177C2 (de) * | 1987-07-14 | 1996-08-22 | Fisher Rosemount Gmbh & Co Ges | Strahlungs-Zerhackereinrichtung |
DE8902686U1 (de) * | 1989-03-06 | 1990-04-05 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur Strahlmodulation im Strahlengang photometrischer Analysatoren |
RU2455171C1 (ru) * | 2011-03-11 | 2012-07-10 | Николай Петрович Дядченко | Колесо транспортного средства |
RU2564266C1 (ru) * | 2014-09-09 | 2015-09-27 | Николай Петрович Дядченко | Колесо транспортного средства |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2166382A1 (de) * | 1970-07-04 | 1974-04-11 | Horiba Ltd | Einrichtung zum abgleich der strahlungsintensitaet bei optischen messvorrichtungen |
US3729264A (en) * | 1971-08-09 | 1973-04-24 | Horiba Ltd | Analyzer using the rotor of a motor as a light chopper |
-
1974
- 1974-01-22 DE DE2402865A patent/DE2402865C2/de not_active Expired
- 1974-10-22 FR FR7435386A patent/FR2258621B3/fr not_active Expired
- 1974-12-03 IT IT30140/74A patent/IT1026758B/it active
-
1975
- 1975-01-15 US US05/541,135 patent/US3970372A/en not_active Expired - Lifetime
- 1975-01-20 GB GB240175A patent/GB1447342A/en not_active Expired
- 1975-01-20 JP JP50008599A patent/JPS50104978A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT1026758B (it) | 1978-10-20 |
US3970372A (en) | 1976-07-20 |
DE2402865A1 (de) | 1975-07-24 |
JPS50104978A (en:Method) | 1975-08-19 |
FR2258621B3 (en:Method) | 1976-12-10 |
GB1447342A (en) | 1976-08-25 |
FR2258621A1 (en:Method) | 1975-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OD | Request for examination | ||
OF | Willingness to grant licences before publication of examined application | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |