JPH02210977A - 自動焦点合わせ装置 - Google Patents

自動焦点合わせ装置

Info

Publication number
JPH02210977A
JPH02210977A JP1310621A JP31062189A JPH02210977A JP H02210977 A JPH02210977 A JP H02210977A JP 1310621 A JP1310621 A JP 1310621A JP 31062189 A JP31062189 A JP 31062189A JP H02210977 A JPH02210977 A JP H02210977A
Authority
JP
Japan
Prior art keywords
lens system
motor
birken
helicoid
point
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.)
Granted
Application number
JP1310621A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0531350B2 (enrdf_load_stackoverflow
Inventor
Kentaro Hanma
謙太郎 半間
Kaoru Yanagawa
柳川　薫
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 JP1310621A priority Critical patent/JPH02210977A/ja
Publication of JPH02210977A publication Critical patent/JPH02210977A/ja
Publication of JPH0531350B2 publication Critical patent/JPH0531350B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
JP1310621A 1989-12-01 1989-12-01 自動焦点合わせ装置 Granted JPH02210977A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1310621A JPH02210977A (ja) 1989-12-01 1989-12-01 自動焦点合わせ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1310621A JPH02210977A (ja) 1989-12-01 1989-12-01 自動焦点合わせ装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP12685079A Division JPS5651164A (en) 1979-10-03 1979-10-03 Automatic focusing device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP5023946A Division JPH0773341B2 (ja) 1993-02-12 1993-02-12 自動焦点合わせ装置

Publications (2)

Publication Number Publication Date
JPH02210977A true JPH02210977A (ja) 1990-08-22
JPH0531350B2 JPH0531350B2 (enrdf_load_stackoverflow) 1993-05-12

Family

ID=18007465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1310621A Granted JPH02210977A (ja) 1989-12-01 1989-12-01 自動焦点合わせ装置

Country Status (1)

Country Link
JP (1) JPH02210977A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0614246A (ja) * 1993-02-12 1994-01-21 Hitachi Ltd 自動焦点合わせ装置
JP2014513319A (ja) * 2011-03-21 2014-05-29 ケアストリーム ヘルス インク 液体レンズを使用する自動焦点合わせ方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652362U (enrdf_load_stackoverflow) * 1979-09-28 1981-05-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652362U (enrdf_load_stackoverflow) * 1979-09-28 1981-05-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0614246A (ja) * 1993-02-12 1994-01-21 Hitachi Ltd 自動焦点合わせ装置
JP2014513319A (ja) * 2011-03-21 2014-05-29 ケアストリーム ヘルス インク 液体レンズを使用する自動焦点合わせ方法

Also Published As

Publication number Publication date
JPH0531350B2 (enrdf_load_stackoverflow) 1993-05-12

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