JPS52104245A - Automatic focusing device - Google Patents

Automatic focusing device

Info

Publication number
JPS52104245A
JPS52104245A JP2000676A JP2000676A JPS52104245A JP S52104245 A JPS52104245 A JP S52104245A JP 2000676 A JP2000676 A JP 2000676A JP 2000676 A JP2000676 A JP 2000676A JP S52104245 A JPS52104245 A JP S52104245A
Authority
JP
Japan
Prior art keywords
automatic focusing
focusing device
focusing
faithful
pictures
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
JP2000676A
Other languages
Japanese (ja)
Inventor
Tamotsu Shimada
Ryuichi Suzuki
Shinji Yamamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2000676A priority Critical patent/JPS52104245A/en
Publication of JPS52104245A publication Critical patent/JPS52104245A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To perform continuous focusing with faithful follow-up by controlling the focusing on the basis of measured signal distribution of three pictures in one horizontal scanning period of TV.
COPYRIGHT: (C)1977,JPO&Japio
JP2000676A 1976-02-27 1976-02-27 Automatic focusing device Pending JPS52104245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000676A JPS52104245A (en) 1976-02-27 1976-02-27 Automatic focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000676A JPS52104245A (en) 1976-02-27 1976-02-27 Automatic focusing device

Publications (1)

Publication Number Publication Date
JPS52104245A true JPS52104245A (en) 1977-09-01

Family

ID=12015030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000676A Pending JPS52104245A (en) 1976-02-27 1976-02-27 Automatic focusing device

Country Status (1)

Country Link
JP (1) JPS52104245A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62183413A (en) * 1986-02-07 1987-08-11 Canon Inc Focus adjusting device
JP2008214973A (en) * 2007-03-05 2008-09-18 Kajima Corp Seismic-control bridge pier structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62183413A (en) * 1986-02-07 1987-08-11 Canon Inc Focus adjusting device
JP2008214973A (en) * 2007-03-05 2008-09-18 Kajima Corp Seismic-control bridge pier structure

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