DE290802T1 - Kamera-fokussiervorrichtung. - Google Patents

Kamera-fokussiervorrichtung.

Info

Publication number
DE290802T1
DE290802T1 DE198888105883T DE88105883T DE290802T1 DE 290802 T1 DE290802 T1 DE 290802T1 DE 198888105883 T DE198888105883 T DE 198888105883T DE 88105883 T DE88105883 T DE 88105883T DE 290802 T1 DE290802 T1 DE 290802T1
Authority
DE
Germany
Prior art keywords
focusing device
camera focusing
camera
focusing
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
Application number
DE198888105883T
Other languages
English (en)
Inventor
Conrad H. Needham Ma. 02192 Us Biber
Donald S. Cambridge Ma 02138 Us Levinstone
William T. Lexington Ma 02173 Us Vetterling
Iii Olin C. Lynnfield Ma 01940 Us Brown
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polaroid Corp
Original Assignee
Polaroid Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of DE290802T1 publication Critical patent/DE290802T1/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals
    • G02B7/36Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
DE198888105883T 1987-05-15 1988-04-13 Kamera-fokussiervorrichtung. Pending DE290802T1 (de)

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
DE290802T1 true DE290802T1 (de) 1989-03-30

Family

ID=21984771

Family Applications (1)

Application Number Title Priority Date Filing Date
DE198888105883T Pending DE290802T1 (de) 1987-05-15 1988-04-13 Kamera-fokussiervorrichtung.

Country Status (5)

Country Link
US (1) US4752831A (de)
EP (1) EP0290802A3 (de)
JP (1) JPS6446715A (de)
CA (1) CA1296933C (de)
DE (1) DE290802T1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
US8913127B2 (en) * 2009-06-01 2014-12-16 Bio-Rad Laboratories, Inc. Calibration of imaging device for biological/chemical samples

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
JPS58709B2 (ja) * 1975-03-14 1983-01-07 株式会社横河電機製作所 ジドウシヨウテンチヨウセツソウチ
US4005443A (en) * 1975-09-11 1977-01-25 Fritz Albrecht Scanning device and method for automatic focusing
JPS5397826A (en) * 1977-02-07 1978-08-26 Ricoh Co Ltd Focal point detecting system
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
JPS6097784A (ja) * 1983-11-01 1985-05-31 Sanyo Electric Co Ltd オ−トフオ−カス制御回路
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 (de) * 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 (de) * 1985-04-05 1987-05-15 Trt Telecom Radio Electr
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
US4752831A (en) 1988-06-21
EP0290802A2 (de) 1988-11-17
JPS6446715A (en) 1989-02-21
EP0290802A3 (de) 1990-06-06

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