JPH01133127U - - Google Patents
Info
- Publication number
- JPH01133127U JPH01133127U JP1988030068U JP3006888U JPH01133127U JP H01133127 U JPH01133127 U JP H01133127U JP 1988030068 U JP1988030068 U JP 1988030068U JP 3006888 U JP3006888 U JP 3006888U JP H01133127 U JPH01133127 U JP H01133127U
- Authority
- JP
- Japan
- Prior art keywords
- photometric area
- central
- area
- photometry
- shooting screen
- 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.)
- Granted
Links
- 238000005375 photometry Methods 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 1
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
- 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
- G03B7/09979—Multi-zone light measuring
-
- 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
- G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988030068U JPH073385Y2 (ja) | 1988-03-07 | 1988-03-07 | 測光装置 |
US07/319,187 US4937611A (en) | 1988-03-07 | 1989-03-06 | Light metering device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988030068U JPH073385Y2 (ja) | 1988-03-07 | 1988-03-07 | 測光装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01133127U true JPH01133127U (US06312121-20011106-C00033.png) | 1989-09-11 |
JPH073385Y2 JPH073385Y2 (ja) | 1995-01-30 |
Family
ID=12293498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988030068U Expired - Lifetime JPH073385Y2 (ja) | 1988-03-07 | 1988-03-07 | 測光装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4937611A (US06312121-20011106-C00033.png) |
JP (1) | JPH073385Y2 (US06312121-20011106-C00033.png) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3080968B2 (ja) * | 1990-06-05 | 2000-08-28 | 旭光学工業株式会社 | 測光装置 |
GB9020285D0 (en) * | 1990-09-17 | 1990-10-31 | Imatronic Ltd | Optical apparatus |
US5146258A (en) * | 1990-12-24 | 1992-09-08 | Eastman Kodak Company | Multiple photodiode array for light metering |
DE4417234C2 (de) * | 1993-05-17 | 2002-01-17 | Asahi Optical Co Ltd | Fotometriesystem |
JP2809081B2 (ja) * | 1993-12-27 | 1998-10-08 | 日本電気株式会社 | 露光装置 |
US5678098A (en) | 1994-06-09 | 1997-10-14 | Fuji Photo Film Co., Ltd. | Method and apparatus for controlling exposure of camera |
US6215961B1 (en) * | 1996-01-29 | 2001-04-10 | Minolta Co., Ltd. | Camera |
US6480510B1 (en) | 1998-07-28 | 2002-11-12 | Serconet Ltd. | Local area network of serial intelligent cells |
IT1307236B1 (it) * | 1999-04-02 | 2001-10-30 | Varian Spa | Pompa ionica. |
KR100557219B1 (ko) * | 2004-07-06 | 2006-03-07 | 삼성전자주식회사 | 자동 노출 보정 방법 및 보정 장치 |
US7398016B2 (en) * | 2005-11-04 | 2008-07-08 | Seiko Epson Corporation | Backlight compensation using threshold detection |
US9286509B1 (en) * | 2012-10-19 | 2016-03-15 | Google Inc. | Image optimization during facial recognition |
CN107135341B (zh) * | 2017-05-03 | 2019-12-27 | Oppo广东移动通信有限公司 | 影像传感器、相机模组及电子装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5652732A (en) * | 1979-10-05 | 1981-05-12 | Fuji Photo Film Co Ltd | Exposure control method |
JPH0610726B2 (ja) * | 1983-09-20 | 1994-02-09 | 株式会社ニコン | カメラ |
JP2525351B2 (ja) * | 1985-08-08 | 1996-08-21 | キヤノン株式会社 | カメラ |
US4745427A (en) * | 1985-09-13 | 1988-05-17 | Minolta Camera Kabushiki Kaisha | Multi-point photometric apparatus |
-
1988
- 1988-03-07 JP JP1988030068U patent/JPH073385Y2/ja not_active Expired - Lifetime
-
1989
- 1989-03-06 US US07/319,187 patent/US4937611A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH073385Y2 (ja) | 1995-01-30 |
US4937611A (en) | 1990-06-26 |