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JPS5773707A - Focusing device - Google Patents

Focusing device

Info

Publication number
JPS5773707A
JPS5773707A JP55148934A JP14893480A JPS5773707A JP S5773707 A JPS5773707 A JP S5773707A JP 55148934 A JP55148934 A JP 55148934A JP 14893480 A JP14893480 A JP 14893480A JP S5773707 A JPS5773707 A JP S5773707A
Authority
JP
Japan
Prior art keywords
lens
focus signal
signal
focus
focusing
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
JP55148934A
Other languages
English (en)
Inventor
Koichi Sekine
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55148934A priority Critical patent/JPS5773707A/ja
Publication of JPS5773707A publication Critical patent/JPS5773707A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automatic Focus Adjustment (AREA)
JP55148934A 1980-10-24 1980-10-24 Focusing device Pending JPS5773707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55148934A JPS5773707A (en) 1980-10-24 1980-10-24 Focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55148934A JPS5773707A (en) 1980-10-24 1980-10-24 Focusing device

Publications (1)

Publication Number Publication Date
JPS5773707A true JPS5773707A (en) 1982-05-08

Family

ID=15463921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55148934A Pending JPS5773707A (en) 1980-10-24 1980-10-24 Focusing device

Country Status (1)

Country Link
JP (1) JPS5773707A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58202671A (ja) * 1982-05-21 1983-11-25 Hitachi Denshi Ltd 自動合焦方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58202671A (ja) * 1982-05-21 1983-11-25 Hitachi Denshi Ltd 自動合焦方式

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