JPS561022A - Focus detector of camera - Google Patents
Focus detector of cameraInfo
- Publication number
- JPS561022A JPS561022A JP7657879A JP7657879A JPS561022A JP S561022 A JPS561022 A JP S561022A JP 7657879 A JP7657879 A JP 7657879A JP 7657879 A JP7657879 A JP 7657879A JP S561022 A JPS561022 A JP S561022A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- photoelectric
- peak
- converted
- signal
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7657879A JPS561022A (en) | 1979-06-18 | 1979-06-18 | Focus detector of camera |
US06/149,803 US4326127A (en) | 1979-06-18 | 1980-05-14 | Focus detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7657879A JPS561022A (en) | 1979-06-18 | 1979-06-18 | Focus detector of camera |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS561022A true JPS561022A (en) | 1981-01-08 |
JPS624690B2 JPS624690B2 (ja) | 1987-01-31 |
Family
ID=13609137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7657879A Granted JPS561022A (en) | 1979-06-18 | 1979-06-18 | Focus detector of camera |
Country Status (2)
Country | Link |
---|---|
US (1) | US4326127A (ja) |
JP (1) | JPS561022A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157226U (ja) * | 1983-04-07 | 1984-10-22 | 三洋電機株式会社 | 記録ビ−ム制限回路 |
JPS62184408U (ja) * | 1986-05-15 | 1987-11-24 | ||
US7133078B2 (en) | 1997-05-21 | 2006-11-07 | Olympus Optical Co., Ltd. | Automatic focal point sensing device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57128307A (en) * | 1981-02-03 | 1982-08-09 | Nippon Kogaku Kk <Nikon> | Automatic focus adjuster |
JPS58127132A (ja) * | 1982-01-25 | 1983-07-28 | Asahi Optical Co Ltd | 光検出装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53116852A (en) * | 1977-03-23 | 1978-10-12 | Olympus Optical Co Ltd | Automatic focus adjusting system |
-
1979
- 1979-06-18 JP JP7657879A patent/JPS561022A/ja active Granted
-
1980
- 1980-05-14 US US06/149,803 patent/US4326127A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157226U (ja) * | 1983-04-07 | 1984-10-22 | 三洋電機株式会社 | 記録ビ−ム制限回路 |
JPH0110752Y2 (ja) * | 1983-04-07 | 1989-03-28 | ||
JPS62184408U (ja) * | 1986-05-15 | 1987-11-24 | ||
US7133078B2 (en) | 1997-05-21 | 2006-11-07 | Olympus Optical Co., Ltd. | Automatic focal point sensing device |
Also Published As
Publication number | Publication date |
---|---|
JPS624690B2 (ja) | 1987-01-31 |
US4326127A (en) | 1982-04-20 |
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