CA1330369C - Circuit de focalisation automatique pour l'affichage de signaux video - Google Patents

Circuit de focalisation automatique pour l'affichage de signaux video

Info

Publication number
CA1330369C
CA1330369C CA000616581A CA616581A CA1330369C CA 1330369 C CA1330369 C CA 1330369C CA 000616581 A CA000616581 A CA 000616581A CA 616581 A CA616581 A CA 616581A CA 1330369 C CA1330369 C CA 1330369C
Authority
CA
Canada
Prior art keywords
value
focus
focusing
focus evaluating
evaluating value
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 - Fee Related
Application number
CA000616581A
Other languages
English (en)
Inventor
Hirotsugu Murashima
Satoru Maeda
Shunji Hirano
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 JP61273212A external-priority patent/JPS63125910A/ja
Priority claimed from JP62034763A external-priority patent/JPH078023B2/ja
Priority claimed from JP62049513A external-priority patent/JPH0634501B2/ja
Priority claimed from CA000552179A external-priority patent/CA1328012C/fr
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to CA000616581A priority Critical patent/CA1330369C/fr
Application granted granted Critical
Publication of CA1330369C publication Critical patent/CA1330369C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
CA000616581A 1986-11-17 1993-03-01 Circuit de focalisation automatique pour l'affichage de signaux video Expired - Fee Related CA1330369C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000616581A CA1330369C (fr) 1986-11-17 1993-03-01 Circuit de focalisation automatique pour l'affichage de signaux video

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
JP273212/1986 1986-11-17
JP61273212A JPS63125910A (ja) 1986-11-17 1986-11-17 オ−トフオ−カス回路
JP30441186 1986-12-19
JP304411/1986 1986-12-19
JP34763/1987 1987-02-18
JP62034763A JPH078023B2 (ja) 1987-02-18 1987-02-18 オ−トフオ−カス回路
JP4340587 1987-02-26
JP4340687 1987-02-26
JP43406/1987 1987-02-26
JP43405/1987 1987-02-26
JP49513/1987 1987-03-04
JP62049513A JPH0634501B2 (ja) 1987-03-04 1987-03-04 オ−トフオ−カスビデオカメラ
CA000552179A CA1328012C (fr) 1986-11-17 1987-11-16 Circuit de focalisation automatique commande par le signal video
CA000616581A CA1330369C (fr) 1986-11-17 1993-03-01 Circuit de focalisation automatique pour l'affichage de signaux video

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000552179A Division CA1328012C (fr) 1986-11-17 1987-11-16 Circuit de focalisation automatique commande par le signal video

Publications (1)

Publication Number Publication Date
CA1330369C true CA1330369C (fr) 1994-06-21

Family

ID=27560922

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000616581A Expired - Fee Related CA1330369C (fr) 1986-11-17 1993-03-01 Circuit de focalisation automatique pour l'affichage de signaux video

Country Status (1)

Country Link
CA (1) CA1330369C (fr)

Similar Documents

Publication Publication Date Title
CA1328012C (fr) Circuit de focalisation automatique commande par le signal video
US6130417A (en) Auto-focusing apparatus with hill-climbing and full-scanning auto-focusing performances
US4967280A (en) Image sensing apparatus having automatic focusing function of automatically matching focus in response to video signal
EP0297587B1 (fr) Circuit de localisation automatique pour associer automatiquement la localisation en fonction du signal vidéo
US5003339A (en) Image sensing apparatus having automatic focusing function for automatically matching focus in response to video signal
US6236431B1 (en) Video camera apparatus with distance measurement area adjusted based on electronic magnification
CA1293790C (fr) Circuit de focalisation automatique reagissant au signal video
US5319462A (en) Automatic focusing apparatus for automatically adjusting focus in response to video signal by fuzzy inference
EP0630153B1 (fr) Dispositif de focalisation automatique pour associer automatiquement la focalisation en fonction du signal vidéo
US4853789A (en) Automatic focusing circuit using a two period detection interval to compensate for motion occurring within a field of view
EP0434981B1 (fr) Appareil de focalisation automatique pour associer automatiquement la focalisation en fonction du signal vidéo
US4833541A (en) Image sensing apparatus having function of automatically matching focus and exposure in response to video signal
EP0556783B1 (fr) Méthode de focalisation automatique pour une caméra vidéo selon le scintillement d'éclairage
CA1330369C (fr) Circuit de focalisation automatique pour l'affichage de signaux video
JPH07294795A (ja) ズーム装置
JPS63125910A (ja) オ−トフオ−カス回路
JPH0644807B2 (ja) オートフオーカスビデオカメラ
JPH0754971B2 (ja) オートフォーカスビデオカメラ
JPH0783447B2 (ja) 自動焦点調節方法およびそれを用いたビデオカメラ
JPH0754970B2 (ja) オートフォーカスビデオカメラ
JP2877379B2 (ja) オートフォーカスカメラ
JPH0698240A (ja) ビデオカメラのオートフォーカス装置
JPH04293006A (ja) 交換レンズシステムにおける変換アダプタ装置
JPH02163713A (ja) 自動焦点調節装置

Legal Events

Date Code Title Description
MKLA Lapsed