JPS6239722B2 - - Google Patents
Info
- Publication number
- JPS6239722B2 JPS6239722B2 JP55022324A JP2232480A JPS6239722B2 JP S6239722 B2 JPS6239722 B2 JP S6239722B2 JP 55022324 A JP55022324 A JP 55022324A JP 2232480 A JP2232480 A JP 2232480A JP S6239722 B2 JPS6239722 B2 JP S6239722B2
- Authority
- JP
- Japan
- Prior art keywords
- output signal
- output
- signal
- light
- curve
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000003491 array Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/32—Measuring distances in line of sight; Optical rangefinders by focusing the object, e.g. on a ground glass screen
-
- 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
- G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/016,595 US4249073A (en) | 1979-03-01 | 1979-03-01 | Method and apparatus for determining focus position |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55118021A JPS55118021A (en) | 1980-09-10 |
JPS6239722B2 true JPS6239722B2 (en, 2012) | 1987-08-25 |
Family
ID=21777952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2232480A Granted JPS55118021A (en) | 1979-03-01 | 1980-02-26 | Automatic focusing device |
Country Status (3)
Country | Link |
---|---|
US (1) | US4249073A (en, 2012) |
JP (1) | JPS55118021A (en, 2012) |
DE (1) | DE3007700C2 (en, 2012) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4230942A (en) * | 1979-03-26 | 1980-10-28 | Honeywell Inc. | Crossed cylindrical lens |
US4309603A (en) * | 1979-10-17 | 1982-01-05 | Honeywell Inc. | Auto focus system |
US4425501A (en) | 1981-03-30 | 1984-01-10 | Honeywell Inc. | Light aperture for a lenslet-photodetector array |
JPS57188026A (en) * | 1981-05-14 | 1982-11-18 | Minolta Camera Co Ltd | Driving device for photographing lens of automatic focusing camera |
JPS584108A (ja) * | 1981-06-30 | 1983-01-11 | Kyocera Corp | 自動焦点調節装置 |
JPS58199307A (ja) * | 1982-05-18 | 1983-11-19 | Olympus Optical Co Ltd | 合焦検出装置 |
US4573784A (en) * | 1982-12-11 | 1986-03-04 | Canon Kabushiki Kaisha | Focus detecting apparatus |
US4841140A (en) * | 1987-11-09 | 1989-06-20 | Honeywell Inc. | Real-time color comparator |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3945023A (en) * | 1974-03-29 | 1976-03-16 | Honeywell Inc. | Auto-focus camera with solid state range finder |
DE2560134C2 (de) * | 1974-04-01 | 1985-10-10 | Canon K.K., Tokyo | Vorrichtung zur Ermittlung des Abbildungszustands eines Bildes |
DE2437282C2 (de) * | 1974-08-02 | 1983-05-05 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Einrichtung zur fotoelektrischen Bestimmung der Lage einer Schärfenebene eines Bildes |
US4083056A (en) * | 1975-09-09 | 1978-04-04 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focus detecting device for single-lens reflex cameras |
JPS5914723B2 (ja) * | 1976-05-22 | 1984-04-05 | 旭光学工業株式会社 | 一眼レフカメラの焦点検出装置 |
-
1979
- 1979-03-01 US US06/016,595 patent/US4249073A/en not_active Expired - Lifetime
-
1980
- 1980-02-26 JP JP2232480A patent/JPS55118021A/ja active Granted
- 1980-02-29 DE DE3007700A patent/DE3007700C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS55118021A (en) | 1980-09-10 |
DE3007700A1 (de) | 1980-09-04 |
DE3007700C2 (de) | 1987-08-20 |
US4249073A (en) | 1981-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20140146196A1 (en) | Focus detection apparatus, image pickup apparatus, image pickup system, andfocus detection method | |
JPS5914723B2 (ja) | 一眼レフカメラの焦点検出装置 | |
US4527053A (en) | Focus detecting device with relative movement detection | |
JPH0261006B2 (en, 2012) | ||
US20160065835A1 (en) | Focus-detection device, method for controlling the same, and image capture apparatus | |
JPS5962809A (ja) | 焦点検出装置 | |
JPS6239722B2 (en, 2012) | ||
CN106559618A (zh) | 焦点检测装置和预测方法 | |
JPH0477289B2 (en, 2012) | ||
US4250376A (en) | Apparatus for range finding equipment | |
JPH0410051B2 (en, 2012) | ||
JPH0875986A (ja) | 焦点検出装置 | |
US5721977A (en) | Distance measuring apparatus of camera improved in measuring process | |
JPS58142306A (ja) | 焦点検出方法 | |
US7016604B2 (en) | Autofocus using a holographic aperture element | |
JPH06189187A (ja) | 撮像装置およびその測光方法およびその合焦制御方法ならびに撮像方法 | |
JPH0795140B2 (ja) | 光学機器の合焦化用評価値検出装置 | |
JPH11337815A (ja) | 固体撮像装置及びカメラ用測距装置 | |
JPS62133412A (ja) | 焦点検出方式 | |
JP2679699B2 (ja) | 自動焦点調節装置 | |
US5136325A (en) | Photometric apparatus | |
JP3006480B2 (ja) | 自動焦点調節装置 | |
JPH0233127B2 (en, 2012) | ||
JPH0727608A (ja) | カメラの測光装置 | |
JP2006322970A (ja) | 焦点検出装置 |