JPS6446715A - Objective lens focusing apparatus for camera - Google Patents
Objective lens focusing apparatus for cameraInfo
- Publication number
- JPS6446715A JPS6446715A JP63103733A JP10373388A JPS6446715A JP S6446715 A JPS6446715 A JP S6446715A JP 63103733 A JP63103733 A JP 63103733A JP 10373388 A JP10373388 A JP 10373388A JP S6446715 A JPS6446715 A JP S6446715A
- Authority
- JP
- Japan
- Prior art keywords
- elements
- photoresponsive
- rows
- row
- photosensitive
- 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.)
- Pending
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/053,509 US4752831A (en) | 1986-05-20 | 1987-05-15 | Focusing system for camera apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6446715A true JPS6446715A (en) | 1989-02-21 |
Family
ID=21984771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63103733A Pending JPS6446715A (en) | 1987-05-15 | 1988-04-26 | Objective lens focusing apparatus for camera |
Country Status (5)
Country | Link |
---|---|
US (1) | US4752831A (ja) |
EP (1) | EP0290802A3 (ja) |
JP (1) | JPS6446715A (ja) |
CA (1) | CA1296933C (ja) |
DE (1) | DE290802T1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07113961B2 (ja) * | 1985-08-05 | 1995-12-06 | キヤノン株式会社 | 信号処理装置 |
US4974008A (en) * | 1987-10-21 | 1990-11-27 | Olympus Optical Co., Ltd. | Focus detecting system |
JPH0834551B2 (ja) * | 1988-07-19 | 1996-03-29 | 松下電器産業株式会社 | 自動焦点調整装置 |
US4998162A (en) * | 1988-08-22 | 1991-03-05 | Sony Corporation | Video camera |
JPH03117275A (ja) * | 1989-09-29 | 1991-05-20 | Sanyo Electric Co Ltd | オートフォーカスカメラ |
FR2675330B1 (fr) * | 1991-04-11 | 1995-12-15 | Telediffusion Fse | Une methode et un systeme pour la mise au point automatique d'une camera utilisant la tcd. |
US6243131B1 (en) | 1991-05-13 | 2001-06-05 | Interactive Pictures Corporation | Method for directly scanning a rectilinear imaging element using a non-linear scan |
US5489940A (en) * | 1994-12-08 | 1996-02-06 | Motorola, Inc. | Electronic imaging system and sensor for correcting the distortion in a wide-angle lens |
US5563658A (en) * | 1994-12-16 | 1996-10-08 | Eastman Kodak Company | Electronic camera with rapid automatic focus of an image upon an image sensor |
US5668597A (en) * | 1994-12-30 | 1997-09-16 | Eastman Kodak Company | Electronic camera with rapid automatic focus of an image upon a progressive scan image sensor |
US6181378B1 (en) * | 1996-06-14 | 2001-01-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Image reading device |
DE10018312C2 (de) * | 2000-04-13 | 2003-10-09 | Stn Atlas Elektronik Gmbh | Verfahren und Vorrichtung zum Fokussieren eines Bildes |
GB0108697D0 (en) * | 2001-04-06 | 2001-05-30 | Renishaw Plc | Image focussing methods |
JP2005173269A (ja) * | 2003-12-11 | 2005-06-30 | Canon Inc | 光学機器 |
JP4946313B2 (ja) | 2006-09-27 | 2012-06-06 | 株式会社ニコン | 撮像装置 |
US7885151B1 (en) * | 2006-11-27 | 2011-02-08 | Marvell International Ltd. | Servo accelerator system for optical drives |
CN102483802B (zh) * | 2009-06-01 | 2014-12-31 | 生物辐射实验室股份有限公司 | 用于生物/化学样本的成像设备的校准 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51105724A (ja) * | 1975-03-14 | 1976-09-18 | Yokogawa Electric Works Ltd | |
JPS5397826A (en) * | 1977-02-07 | 1978-08-26 | Ricoh Co Ltd | Focal point detecting system |
JPS6097784A (ja) * | 1983-11-01 | 1985-05-31 | Sanyo Electric Co Ltd | オ−トフオ−カス制御回路 |
JPS62147870A (ja) * | 1985-12-23 | 1987-07-01 | Sony Corp | ビデオカメラのオ−トフオ−カス装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4047187A (en) * | 1974-04-01 | 1977-09-06 | Canon Kabushiki Kaisha | System for exposure measurement and/or focus detection by means of image senser |
US4005443A (en) * | 1975-09-11 | 1977-01-25 | Fritz Albrecht | Scanning device and method for automatic focusing |
DE2801393A1 (de) * | 1978-01-13 | 1979-07-19 | Agfa Gevaert Ag | Fokussiervorrichtung |
US4470676A (en) * | 1978-07-28 | 1984-09-11 | Canon Kabushiki Kaisha | Focus detecting device |
JPS5557809A (en) * | 1978-10-24 | 1980-04-30 | Olympus Optical Co Ltd | Focusing detection system |
US4500925A (en) * | 1981-06-26 | 1985-02-19 | Hitachi, Ltd. | Auto-focusing system for video camera |
JPS5886893A (ja) * | 1981-11-16 | 1983-05-24 | Minolta Camera Co Ltd | モ−タ駆動制御装置 |
US4561749A (en) * | 1983-02-02 | 1985-12-31 | Nippon Kogaku K.K. | Focus detection apparatus |
JPS60120309A (ja) * | 1983-12-02 | 1985-06-27 | Canon Inc | 自動焦点調節装置 |
US4584704A (en) * | 1984-03-01 | 1986-04-22 | Bran Ferren | Spatial imaging system |
JPS60264168A (ja) * | 1984-06-12 | 1985-12-27 | Ricoh Co Ltd | ビデオカメラの自動合焦装置 |
NL8501634A (nl) * | 1984-09-14 | 1986-04-01 | Philips Nv | Kamera voor televisie-, foto- respektievelijk filmopname uitgevoerd met een automatische fokusinstelinrichting. |
JPH028456Y2 (ja) * | 1984-10-26 | 1990-02-28 | ||
FR2575888B1 (fr) * | 1985-01-04 | 1987-02-20 | Thomson Csf | Procede et dispositif de mise au point d'une camera et camera comportant un tel dispositif |
FR2580088B1 (ja) * | 1985-04-05 | 1987-05-15 | Trt Telecom Radio Electr |
-
1987
- 1987-05-15 US US07/053,509 patent/US4752831A/en not_active Expired - Lifetime
-
1988
- 1988-04-13 EP EP88105883A patent/EP0290802A3/en not_active Withdrawn
- 1988-04-13 DE DE198888105883T patent/DE290802T1/de active Pending
- 1988-04-21 CA CA000564681A patent/CA1296933C/en not_active Expired - Fee Related
- 1988-04-26 JP JP63103733A patent/JPS6446715A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51105724A (ja) * | 1975-03-14 | 1976-09-18 | Yokogawa Electric Works Ltd | |
JPS5397826A (en) * | 1977-02-07 | 1978-08-26 | Ricoh Co Ltd | Focal point detecting system |
JPS6097784A (ja) * | 1983-11-01 | 1985-05-31 | Sanyo Electric Co Ltd | オ−トフオ−カス制御回路 |
JPS62147870A (ja) * | 1985-12-23 | 1987-07-01 | Sony Corp | ビデオカメラのオ−トフオ−カス装置 |
Also Published As
Publication number | Publication date |
---|---|
CA1296933C (en) | 1992-03-10 |
EP0290802A2 (en) | 1988-11-17 |
EP0290802A3 (en) | 1990-06-06 |
DE290802T1 (de) | 1989-03-30 |
US4752831A (en) | 1988-06-21 |
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