JPS5328771B2 - - Google Patents
Info
- Publication number
- JPS5328771B2 JPS5328771B2 JP5743575A JP5743575A JPS5328771B2 JP S5328771 B2 JPS5328771 B2 JP S5328771B2 JP 5743575 A JP5743575 A JP 5743575A JP 5743575 A JP5743575 A JP 5743575A JP S5328771 B2 JPS5328771 B2 JP S5328771B2
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
-
- 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
- G01J1/44—Electric circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Amplifiers (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50057435A JPS51134126A (en) | 1975-05-16 | 1975-05-16 | Light measure device for the camera |
US05/681,506 US4045142A (en) | 1975-05-16 | 1976-04-29 | Metering device for cameras |
DE19762620576 DE2620576C3 (de) | 1975-05-16 | 1976-05-10 | Meßvorrichtung für Kameras |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50057435A JPS51134126A (en) | 1975-05-16 | 1975-05-16 | Light measure device for the camera |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51134126A JPS51134126A (en) | 1976-11-20 |
JPS5328771B2 true JPS5328771B2 (ja) | 1978-08-16 |
Family
ID=13055563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50057435A Granted JPS51134126A (en) | 1975-05-16 | 1975-05-16 | Light measure device for the camera |
Country Status (2)
Country | Link |
---|---|
US (1) | US4045142A (ja) |
JP (1) | JPS51134126A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55116291U (ja) * | 1979-02-09 | 1980-08-16 | ||
JPS6041843U (ja) * | 1983-08-29 | 1985-03-25 | 株式会社 コスモ計器 | 可撓性を持つ容器の漏れ検査装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4207533A (en) * | 1978-04-12 | 1980-06-10 | Smith John I | Electronic photometer |
JPS56140221A (en) * | 1980-04-03 | 1981-11-02 | Nec Corp | Photoelectric conversion circuit |
US4462670A (en) * | 1981-09-18 | 1984-07-31 | Nippon Kogaku K.K. | Light measuring apparatus for camera |
GB2179178B (en) * | 1985-06-25 | 1989-03-30 | Canon Kk | Light measuring device for flash exposure system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3704950A (en) * | 1971-02-22 | 1972-12-05 | Sargent Welch Scientific Co | Electrical system for use in optical densitometry |
JPS5115736B1 (ja) * | 1971-02-22 | 1976-05-19 | ||
US3928860A (en) * | 1972-09-26 | 1975-12-23 | Fuji Photo Optical Co Ltd | Exposure control circuit for photographic camera |
US3859519A (en) * | 1973-04-03 | 1975-01-07 | Gen Electric | Wide dynamic range omnidirectional optical sensor for detecting nuclear detonations |
JPS5842415B2 (ja) * | 1974-03-08 | 1983-09-20 | ミノルタ株式会社 | カメラノロシユツジヨウホウエンザンカイロ |
-
1975
- 1975-05-16 JP JP50057435A patent/JPS51134126A/ja active Granted
-
1976
- 1976-04-29 US US05/681,506 patent/US4045142A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55116291U (ja) * | 1979-02-09 | 1980-08-16 | ||
JPS6041843U (ja) * | 1983-08-29 | 1985-03-25 | 株式会社 コスモ計器 | 可撓性を持つ容器の漏れ検査装置 |
Also Published As
Publication number | Publication date |
---|---|
US4045142A (en) | 1977-08-30 |
DE2620576A1 (de) | 1976-11-18 |
DE2620576B2 (de) | 1977-03-03 |
JPS51134126A (en) | 1976-11-20 |