DE3479551D1 - Automatic focusing device for a video camera - Google Patents

Automatic focusing device for a video camera

Info

Publication number
DE3479551D1
DE3479551D1 DE8484307163T DE3479551T DE3479551D1 DE 3479551 D1 DE3479551 D1 DE 3479551D1 DE 8484307163 T DE8484307163 T DE 8484307163T DE 3479551 T DE3479551 T DE 3479551T DE 3479551 D1 DE3479551 D1 DE 3479551D1
Authority
DE
Germany
Prior art keywords
video camera
automatic focusing
focusing device
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
Application number
DE8484307163T
Other languages
English (en)
Inventor
Yoshiaki Hirao
Ryuichiro Kuga
Yoshitomi Nagaoka
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP58195665A external-priority patent/JPS6087577A/ja
Priority claimed from JP58195635A external-priority patent/JPS6087576A/ja
Priority claimed from JP58196322A external-priority patent/JPS6087579A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3479551D1 publication Critical patent/DE3479551D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/46—Indirect determination of position data
    • G01S17/48—Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves
    • 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
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • 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
    • H04N23/671—Focus control based on electronic image sensor signals in combination with active ranging signals, e.g. using light or sound signals emitted toward objects
DE8484307163T 1983-10-19 1984-10-18 Automatic focusing device for a video camera Expired DE3479551D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP58195665A JPS6087577A (ja) 1983-10-19 1983-10-19 ビデオカメラの自動焦点調節装置
JP58195635A JPS6087576A (ja) 1983-10-19 1983-10-19 ビデオカメラの自動焦点調節装置
JP58196322A JPS6087579A (ja) 1983-10-20 1983-10-20 ビデオカメラの自動焦点調節装置

Publications (1)

Publication Number Publication Date
DE3479551D1 true DE3479551D1 (en) 1989-09-28

Family

ID=27327123

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484307163T Expired DE3479551D1 (en) 1983-10-19 1984-10-18 Automatic focusing device for a video camera

Country Status (4)

Country Link
US (1) US4621292A (de)
EP (1) EP0140650B1 (de)
KR (1) KR890001904B1 (de)
DE (1) DE3479551D1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4758764A (en) * 1985-06-05 1988-07-19 Matsushita Electric Industrial Co., Ltd. Light-emitting device for automatic focus adjustment apparatus
US5576529A (en) * 1986-08-08 1996-11-19 Norand Technology Corporation Hand-held optically readable information set reader focus with operation over a range of distances
US5640001A (en) * 1986-08-08 1997-06-17 Norand Technology Corporation Hand-held instant bar code reader having automatic focus control for operation over a range of distances
US5969321A (en) * 1986-08-08 1999-10-19 Norand Corporation Hand-held optically readable information set reader with operation over a range of distances
US4849619A (en) * 1986-09-11 1989-07-18 Fuji Photo Film Co., Ltd. Phase difference detector with analog signals
DE3783435T2 (de) * 1986-10-02 1993-07-29 Victor Company Of Japan Automatisches fokussierungsverfahren.
US4874933A (en) * 1987-08-21 1989-10-17 Recognition Equipment Incorporated Ambient illumination bar code reader
JPS6461175A (en) * 1987-08-31 1989-03-08 Asahi Optical Co Ltd Sensitivity automatic adjusting device for electronic still camera
GB2212688B (en) * 1987-12-25 1992-06-17 Seikosha Kk Focus determining system for a camera
US5082363A (en) * 1988-02-12 1992-01-21 Omron Tateisi Electronics Co. Optical distance measuring apparatus and method using light projection pulses
EP0328136B1 (de) * 1988-02-12 1995-05-03 OMRON Corporation Abstandsmessgerät
JPH01293771A (ja) * 1988-05-20 1989-11-27 Victor Co Of Japan Ltd オートフォーカス方式
JPH07104477B2 (ja) * 1988-05-25 1995-11-13 株式会社精工舎 自動焦点カメラのマルチ測距装置
JPH0714970Y2 (ja) * 1988-12-29 1995-04-10 株式会社精工舎 自動焦点調整装置
JP3165861B2 (ja) * 1990-06-12 2001-05-14 セイコープレシジョン株式会社 カメラの特性誤差補正装置
EP0604373A1 (de) * 1992-12-23 1994-06-29 Elesta Ag Elektronik Reflexionslichttaster
US5752100A (en) * 1996-01-26 1998-05-12 Eastman Kodak Company Driver circuit for a camera autofocus laser diode with provision for fault protection
US6191812B1 (en) * 1997-04-01 2001-02-20 Rt-Set Ltd. Method of providing background patterns for camera tracking
JP2000131598A (ja) * 1998-10-23 2000-05-12 Olympus Optical Co Ltd 自動焦点調節装置
US6867808B1 (en) * 1999-03-19 2005-03-15 Scott T. Boden Time domain imager
US6822687B1 (en) * 1999-07-08 2004-11-23 Pentax Corporation Three-dimensional image capturing device and its laser emitting device
US6618076B1 (en) 1999-12-23 2003-09-09 Justsystem Corporation Method and apparatus for calibrating projector-camera system
US20040008263A1 (en) * 2002-07-09 2004-01-15 Sayers Craig P. Internet-enabled photographing system
US7705908B2 (en) * 2003-12-16 2010-04-27 Eastman Kodak Company Imaging method and system for determining camera operating parameter
JP4725083B2 (ja) * 2004-11-19 2011-07-13 株式会社ニコン プロジェクタ装置、携帯電話
JPWO2014034527A1 (ja) * 2012-08-27 2016-08-08 シチズンホールディングス株式会社 情報入力装置
CN108600712B (zh) * 2018-07-19 2020-03-31 维沃移动通信有限公司 一种图像传感器、移动终端及图像拍摄方法
IT202000017785A1 (it) * 2020-07-22 2022-01-22 Gulla Daniele Telecamera per rilevare vibrazioni di un oggetto
CN116339046A (zh) * 2021-12-24 2023-06-27 深圳光峰科技股份有限公司 投影装置的对焦方法及投影装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999436A (en) * 1954-09-04 1961-09-12 Voigtlaender Ag Process and device for automatically adjusting optical instruments
DE1816331A1 (de) * 1968-12-21 1970-07-16 Fernseh Gmbh Anordnugn zur automatischen Entfernungseinstellung eines Objektivs einer Fernsehkamera
JPS5443374B2 (de) * 1972-03-29 1979-12-19
US4294531A (en) * 1978-04-25 1981-10-13 Polaroid Corporation Auto-focus movie camera
DE2853978A1 (de) * 1978-12-14 1980-07-03 Bosch Gmbh Robert Entfernungsmesser
DD150951A1 (de) * 1980-05-16 1981-09-23 Gottfried Koenig Anordnung zur automatischen scharfeinstellung optischer systeme
JPS577508A (en) * 1980-06-16 1982-01-14 Seiko Koki Kk Distance detector
US4441810A (en) * 1980-07-15 1984-04-10 Konishiroku Photo Industry Co., Ltd. Range finder
JPS5732409A (en) * 1980-08-06 1982-02-22 Chinon Kk Focusing controller
JPS5810605A (ja) * 1981-07-10 1983-01-21 Canon Inc 距離測定装置
JPS5834411A (ja) * 1981-08-24 1983-02-28 Canon Inc カメラ用測距装置

Also Published As

Publication number Publication date
EP0140650A1 (de) 1985-05-08
US4621292A (en) 1986-11-04
EP0140650B1 (de) 1989-08-23
KR890001904B1 (en) 1989-05-30
KR850003801A (ko) 1985-06-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee