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
Authority: CA; Canada
Prior art keywords: value; focus; focusing; focus evaluating; evaluating value
Prior art date: 1986-11-17
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.)

1986-11-17

Filing date

1993-03-01

Publication date

1994-06-21

1986-11-17 Priority claimed from JP61273212A external-priority patent/JPS63125910A/ja

1987-02-18 Priority claimed from JP62034763A external-priority patent/JPH078023B2/ja

1987-03-04 Priority claimed from JP62049513A external-priority patent/JPH0634501B2/ja

1987-11-16 Priority claimed from CA000552179A external-priority patent/CA1328012C/fr

1993-03-01 Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd

1993-03-01 Priority to CA000616581A priority Critical patent/CA1330369C/fr

1994-06-21 Application granted granted Critical

1994-06-21 Publication of CA1330369C publication Critical patent/CA1330369C/fr

2007-11-16 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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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
JP61273212A JPS63125910A (ja)	1986-11-17	1986-11-17	オ−トフオ−カス回路
JP273212/1986		1986-11-17
JP304411/1986		1986-12-19
JP30441186		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
JP43405/1987		1987-02-26
JP43406/1987		1987-02-26
JP4340687		1987-02-26
JP4340587		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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN116027514A (zh) *	2022-12-30	2023-04-28	杭州晨安科技股份有限公司	一种变焦镜头变倍跟随方法

1993
- 1993-03-01 CA CA000616581A patent/CA1330369C/fr not_active Expired - Fee Related

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN116027514A (zh) *	2022-12-30	2023-04-28	杭州晨安科技股份有限公司	一种变焦镜头变倍跟随方法
CN116027514B (zh) *	2022-12-30	2026-02-27	杭州晨安科技股份有限公司	一种变焦镜头变倍跟随方法

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CA1330369C (fr)	1994-06-21	Circuit de focalisation automatique pour l'affichage de signaux video
JPH07294795A (ja)	1995-11-10	ズーム装置
JPS63125910A (ja)	1988-05-30	オ−トフオ−カス回路
JPH0644807B2 (ja)	1994-06-08	オートフオーカスビデオカメラ
JPH0754971B2 (ja)	1995-06-07	オートフォーカスビデオカメラ
JPH0754970B2 (ja)	1995-06-07	オートフォーカスビデオカメラ
JP2877379B2 (ja)	1999-03-31	オートフォーカスカメラ
JPH0697784B2 (ja)	1994-11-30	ビデオカメラのオートフォーカス装置
JPS63121830A (ja)	1988-05-25	自動焦点調節装置
JPH02163713A (ja)	1990-06-25	自動焦点調節装置
JPH0591390A (ja)	1993-04-09	ビデオカメラの自動焦点整合装置

Legal Events

Date	Code	Title	Description
2010-06-21	MKLA	Lapsed