JPS5086356A - - Google Patents
Info
- Publication number
- JPS5086356A JPS5086356A JP48134782A JP13478273A JPS5086356A JP S5086356 A JPS5086356 A JP S5086356A JP 48134782 A JP48134782 A JP 48134782A JP 13478273 A JP13478273 A JP 13478273A JP S5086356 A JPS5086356 A JP S5086356A
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1086—Beam splitting or combining systems operating by diffraction only
- G02B27/1093—Beam splitting or combining systems operating by diffraction only for use with monochromatic radiation only, e.g. devices for splitting a single laser source
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/108—Beam splitting or combining systems for sampling a portion of a beam or combining a small beam in a larger one, e.g. wherein the area ratio or power ratio of the divided beams significantly differs from unity, without spectral selectivity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
-
- 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
- G03B7/099—Arrangement of photoelectric elements in or on the camera
- G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
- G03B7/0997—Through the lens [TTL] measuring
- G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
- G03B7/09973—Through the lens [TTL] measuring in mirror-reflex cameras using the mirror as sensor
-
- 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
- G03B7/099—Arrangement of photoelectric elements in or on the camera
- G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
- G03B7/0997—Through the lens [TTL] measuring
- G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
- G03B7/09974—Through the lens [TTL] measuring in mirror-reflex cameras using the film or shutter as sensor light reflecting member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Holo Graphy (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48134782A JPS5833534B2 (ja) | 1973-11-29 | 1973-11-29 | 光分割器 |
GB5725273A GB1461084A (en) | 1972-12-11 | 1973-12-11 | Detection of the intensity of light |
DE2361626A DE2361626C3 (de) | 1972-12-11 | 1973-12-11 | Anordnung zur Messung der Intensität eines Strahlenbündels in einem optischen System |
FR7439231A FR2253222B1 (ja) | 1973-11-29 | 1974-11-29 | |
US05/812,778 US4172646A (en) | 1972-12-11 | 1977-07-05 | Device to control introduction of diffracted beam by means of diffraction element |
US05/947,066 US4215924A (en) | 1972-12-11 | 1978-09-29 | Method to control introduction of diffracted beam by means of diffraction element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48134782A JPS5833534B2 (ja) | 1973-11-29 | 1973-11-29 | 光分割器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5086356A true JPS5086356A (ja) | 1975-07-11 |
JPS5833534B2 JPS5833534B2 (ja) | 1983-07-20 |
Family
ID=15136414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48134782A Expired JPS5833534B2 (ja) | 1972-12-11 | 1973-11-29 | 光分割器 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5833534B2 (ja) |
FR (1) | FR2253222B1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5595927A (en) * | 1979-01-11 | 1980-07-21 | Leo Giken:Kk | Light quantity stabilizing device for exposure |
JPS55125623U (ja) * | 1979-02-28 | 1980-09-05 | ||
JPS57101807A (en) * | 1980-10-21 | 1982-06-24 | Bosukanobichi Afuian Bikutoru | Solar beam collector and manufacture thereof |
JPS57108833A (en) * | 1980-12-25 | 1982-07-07 | Olympus Optical Co Ltd | Photometric device for reflection of single-lens reflex camera |
JPS62237435A (ja) * | 1986-04-08 | 1987-10-17 | Canon Inc | 測光装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS444273Y1 (ja) * | 1966-06-18 | 1969-02-17 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5625652B2 (ja) * | 1972-12-11 | 1981-06-13 |
-
1973
- 1973-11-29 JP JP48134782A patent/JPS5833534B2/ja not_active Expired
-
1974
- 1974-11-29 FR FR7439231A patent/FR2253222B1/fr not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS444273Y1 (ja) * | 1966-06-18 | 1969-02-17 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5595927A (en) * | 1979-01-11 | 1980-07-21 | Leo Giken:Kk | Light quantity stabilizing device for exposure |
JPS55125623U (ja) * | 1979-02-28 | 1980-09-05 | ||
JPS634984Y2 (ja) * | 1979-02-28 | 1988-02-10 | ||
JPS57101807A (en) * | 1980-10-21 | 1982-06-24 | Bosukanobichi Afuian Bikutoru | Solar beam collector and manufacture thereof |
JPS57108833A (en) * | 1980-12-25 | 1982-07-07 | Olympus Optical Co Ltd | Photometric device for reflection of single-lens reflex camera |
JPS6258487B2 (ja) * | 1980-12-25 | 1987-12-07 | Olympus Optical Co | |
JPS62237435A (ja) * | 1986-04-08 | 1987-10-17 | Canon Inc | 測光装置 |
Also Published As
Publication number | Publication date |
---|---|
FR2253222A1 (ja) | 1975-06-27 |
JPS5833534B2 (ja) | 1983-07-20 |
FR2253222B1 (ja) | 1983-02-18 |