DE69128550T2 - Automatisches Fokussierungssystem für Videokamera - Google Patents

Automatisches Fokussierungssystem für Videokamera

Info

Publication number
DE69128550T2
DE69128550T2 DE69128550T DE69128550T DE69128550T2 DE 69128550 T2 DE69128550 T2 DE 69128550T2 DE 69128550 T DE69128550 T DE 69128550T DE 69128550 T DE69128550 T DE 69128550T DE 69128550 T2 DE69128550 T2 DE 69128550T2
Authority
DE
Germany
Prior art keywords
video camera
automatic focusing
focusing system
automatic
camera
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 - Lifetime
Application number
DE69128550T
Other languages
English (en)
Other versions
DE69128550D1 (de
Inventor
Katsuaki Hirota
Akihiro Kikuchi
Toshiharu Kondo
Takashi Kohashi
Fumiaki Kato
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69128550D1 publication Critical patent/DE69128550D1/de
Publication of DE69128550T2 publication Critical patent/DE69128550T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
DE69128550T 1990-02-21 1991-02-20 Automatisches Fokussierungssystem für Videokamera Expired - Lifetime DE69128550T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2040814A JPH03243071A (ja) 1990-02-21 1990-02-21 オートフォーカス回路

Publications (2)

Publication Number Publication Date
DE69128550D1 DE69128550D1 (de) 1998-02-12
DE69128550T2 true DE69128550T2 (de) 1998-05-14

Family

ID=12591120

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69132196T Expired - Lifetime DE69132196T2 (de) 1990-02-21 1991-02-20 Automatisches Fokussierungssystem für Videokamera
DE69128550T Expired - Lifetime DE69128550T2 (de) 1990-02-21 1991-02-20 Automatisches Fokussierungssystem für Videokamera

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69132196T Expired - Lifetime DE69132196T2 (de) 1990-02-21 1991-02-20 Automatisches Fokussierungssystem für Videokamera

Country Status (6)

Country Link
EP (2) EP0443818B1 (de)
JP (1) JPH03243071A (de)
KR (1) KR100254962B1 (de)
AU (1) AU642462B2 (de)
CA (1) CA2036577C (de)
DE (2) DE69132196T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5410225A (en) * 1991-08-30 1995-04-25 Aiwa Co., Ltd. Video camera and camera system employing aperture control
JP2725933B2 (ja) * 1992-01-31 1998-03-11 三洋電機株式会社 オートフォーカス装置
US5416518A (en) * 1992-08-27 1995-05-16 Sony Electronics, Inc. Camera auto focus system
EP0605240B1 (de) * 1992-12-28 2002-05-02 Canon Kabushiki Kaisha Integrierte Einzel-Chip-Schaltung zur Fokussierregelung
KR19990049877A (ko) * 1997-12-15 1999-07-05 윤종용 카메라시스템의 자동 초점조정장치 및 그에 따른 초점조정방법
CN105103537B (zh) * 2013-02-27 2018-11-06 株式会社尼康 成像元件及电子设备
CN107294615A (zh) * 2017-07-28 2017-10-24 成都优博创通信技术股份有限公司 光接收模块和光模块组件

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204181A (ja) * 1984-03-28 1985-10-15 Ricoh Co Ltd 自動合焦装置
FR2580088B1 (de) * 1985-04-05 1987-05-15 Trt Telecom Radio Electr
JPS61281774A (ja) * 1985-06-07 1986-12-12 Sanyo Electric Co Ltd オ−トフオ−カス回路
JP2542361B2 (ja) * 1985-09-10 1996-10-09 株式会社三協精機製作所 自動合焦信号検出装置
JPS62264774A (ja) * 1986-05-12 1987-11-17 Matsushita Electric Ind Co Ltd 自動焦点整合装置
JPH0771209B2 (ja) * 1986-06-13 1995-07-31 三洋電機株式会社 オ−トフォ−カス回路
JP2578770B2 (ja) * 1986-07-15 1997-02-05 松下電器産業株式会社 自動焦点整合装置
US4922346A (en) * 1987-06-30 1990-05-01 Sanyo Electric Co., Ltd. Automatic focusing apparatus having a variable focusing speed and particularly suited for use with interlaced scanning
JP2631219B2 (ja) * 1987-12-14 1997-07-16 キヤノン株式会社 自動焦点整合装置
US5005086A (en) * 1988-03-04 1991-04-02 Sony Corporation Focus control apparatus having two focusing speeds
JPH01279676A (ja) * 1988-05-02 1989-11-09 Canon Inc 合焦検出装置
CA1313466C (en) * 1988-05-11 1993-02-09 Kenichi Kikuchi Image sensing apparatus having automatic focusing function of automatically matching focus in response to video signal
EP0341692B1 (de) * 1988-05-11 1994-04-20 Sanyo Electric Co., Ltd. Bildsensorapparat mit einer automatischen Fokussiereinrichtung für automatische Fokusanpassung in Abhängigkeit von Videosignalen

Also Published As

Publication number Publication date
EP0443818A2 (de) 1991-08-28
AU642462B2 (en) 1993-10-21
EP0721280B1 (de) 2000-05-10
EP0443818A3 (en) 1993-02-24
JPH03243071A (ja) 1991-10-30
EP0721280A1 (de) 1996-07-10
KR100254962B1 (ko) 2000-05-01
DE69128550D1 (de) 1998-02-12
KR920000195A (ko) 1992-01-10
CA2036577A1 (en) 1991-08-22
EP0443818B1 (de) 1998-01-07
DE69132196T2 (de) 2001-01-18
AU7113291A (en) 1991-08-22
CA2036577C (en) 2002-01-22
DE69132196D1 (de) 2000-06-15

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Legal Events

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8364 No opposition during term of opposition