DE2746028C3 - - Google Patents
Info
- Publication number
- DE2746028C3 DE2746028C3 DE2746028A DE2746028A DE2746028C3 DE 2746028 C3 DE2746028 C3 DE 2746028C3 DE 2746028 A DE2746028 A DE 2746028A DE 2746028 A DE2746028 A DE 2746028A DE 2746028 C3 DE2746028 C3 DE 2746028C3
- Authority
- DE
- Germany
- Prior art keywords
- light
- attachment
- meter
- voltage divider
- measuring
- 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
- 238000012937 correction Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 238000012886 linear function Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 2
- 238000004364 calculation method Methods 0.000 claims 1
- 238000013461 design Methods 0.000 claims 1
- 238000011161 development Methods 0.000 claims 1
- 230000018109 developmental process Effects 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 230000005669 field effect Effects 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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
- G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2746028A DE2746028B2 (de) | 1977-10-13 | 1977-10-13 | Meßanordnung zur Belichtungsmessung |
US05/932,432 US4252441A (en) | 1977-10-13 | 1978-08-10 | Arrangement for measuring exposure in photography with an electronic exposure meter and adapter |
FR7824505A FR2406191A1 (fr) | 1977-10-13 | 1978-08-23 | Dispositif de mesure d'eclairement se composant d'un posemetre electronique et d'un adaptateur |
JP53124708A JPS5952972B2 (ja) | 1977-10-13 | 1978-10-12 | 電子的露出計と補助装置から成り立つている露出測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2746028A DE2746028B2 (de) | 1977-10-13 | 1977-10-13 | Meßanordnung zur Belichtungsmessung |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2746028A1 DE2746028A1 (de) | 1979-04-19 |
DE2746028B2 DE2746028B2 (de) | 1979-11-15 |
DE2746028C3 true DE2746028C3 (US20080094685A1-20080424-C00004.png) | 1980-07-31 |
Family
ID=6021338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2746028A Granted DE2746028B2 (de) | 1977-10-13 | 1977-10-13 | Meßanordnung zur Belichtungsmessung |
Country Status (4)
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6275749U (US20080094685A1-20080424-C00004.png) * | 1985-10-31 | 1987-05-15 | ||
JPH0432994Y2 (US20080094685A1-20080424-C00004.png) * | 1985-10-31 | 1992-08-07 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2584440A (en) * | 1946-05-09 | 1952-02-05 | Marlin E Fogle | Exposure meter |
FR1111631A (fr) * | 1954-09-17 | 1956-03-02 | F Guerpillon & Cie Ets | Perfectionnement aux posemètres et dispositifs de contrôle analogues, à cellule photo-électrique |
US3286097A (en) * | 1963-11-07 | 1966-11-15 | Donald W Norwood | Photometric device having optionally selective response to light on two photoresistive cells |
US3697179A (en) * | 1966-10-29 | 1972-10-10 | Gossen & Co Gmbh P | Light measuring device |
GB1241694A (en) * | 1968-06-25 | 1971-08-04 | Sangamo Weston | Improvements in or relating to photo exposure meters |
-
1977
- 1977-10-13 DE DE2746028A patent/DE2746028B2/de active Granted
-
1978
- 1978-08-10 US US05/932,432 patent/US4252441A/en not_active Expired - Lifetime
- 1978-08-23 FR FR7824505A patent/FR2406191A1/fr active Granted
- 1978-10-12 JP JP53124708A patent/JPS5952972B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2406191B1 (US20080094685A1-20080424-C00004.png) | 1981-10-30 |
JPS5952972B2 (ja) | 1984-12-22 |
DE2746028A1 (de) | 1979-04-19 |
DE2746028B2 (de) | 1979-11-15 |
JPS5465029A (en) | 1979-05-25 |
FR2406191A1 (fr) | 1979-05-11 |
US4252441A (en) | 1981-02-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
C3 | Grant after two publication steps (3rd publication) | ||
8320 | Willingness to grant licences declared (paragraph 23) |