KR890001454B1 - 초점 조절장치 - Google Patents

초점 조절장치 Download PDF

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Publication number
KR890001454B1
KR890001454B1 KR8201605A KR820001005A KR890001454B1 KR 890001454 B1 KR890001454 B1 KR 890001454B1 KR 8201605 A KR8201605 A KR 8201605A KR 820001005 A KR820001005 A KR 820001005A KR 890001454 B1 KR890001454 B1 KR 890001454B1
Authority
KR
South Korea
Prior art keywords
lens
distance measurement
light source
light receiving
light
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
Application number
KR8201605A
Other languages
English (en)
Korean (ko)
Other versions
KR830009501A (ko
Inventor
다쓰오 이노우에
Original Assignee
이와마 가즈오
쏘니 가부시기가이샤
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 이와마 가즈오, 쏘니 가부시기가이샤 filed Critical 이와마 가즈오
Publication of KR830009501A publication Critical patent/KR830009501A/ko
Application granted granted Critical
Publication of KR890001454B1 publication Critical patent/KR890001454B1/ko
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/282—Autofocusing of zoom lenses
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Character Input (AREA)
  • Accessories Of Cameras (AREA)
KR8201605A 1981-03-17 1982-03-09 초점 조절장치 Expired KR890001454B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP81-38447 1981-03-17
JP56038447A JPS57154206A (en) 1981-03-17 1981-03-17 Focusing device

Publications (2)

Publication Number Publication Date
KR830009501A KR830009501A (ko) 1983-12-21
KR890001454B1 true KR890001454B1 (ko) 1989-05-03

Family

ID=12525538

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8201605A Expired KR890001454B1 (ko) 1981-03-17 1982-03-09 초점 조절장치

Country Status (8)

Country Link
JP (1) JPS57154206A (enrdf_load_stackoverflow)
KR (1) KR890001454B1 (enrdf_load_stackoverflow)
AT (1) AT376813B (enrdf_load_stackoverflow)
CA (1) CA1173284A (enrdf_load_stackoverflow)
DE (1) DE3209517A1 (enrdf_load_stackoverflow)
FR (1) FR2502354B1 (enrdf_load_stackoverflow)
GB (1) GB2095505A (enrdf_load_stackoverflow)
NL (1) NL8201070A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310601C2 (de) * 1982-03-24 1994-02-10 Canon Kk Entfernungsmeßvorrichtung
JPS5995336U (ja) * 1982-12-17 1984-06-28 ソニー株式会社 ビデオカメラ
JPS606114U (ja) * 1983-06-24 1985-01-17 キヤノン株式会社 焦点検出装置
US4801963A (en) * 1985-12-18 1989-01-31 Canon Kabushiki Kaisha Focus detecting system
US5305047A (en) * 1988-10-11 1994-04-19 Canon Kabushiki Kaisha Pattern projector having a multi-portion projection lens and camera comprising the same
KR102093637B1 (ko) * 2017-10-20 2020-03-27 전자부품연구원 라이다 장치 및 이를 포함하는 라이다 시스템

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759614A (en) * 1971-02-10 1973-09-18 Eastman Kodak Co Dual photocell range finder apparatus
JPS51120725A (en) * 1975-04-16 1976-10-22 Sankyo Kogaku Kogyo Kk Automatic forcusing camera
US4083056A (en) * 1975-09-09 1978-04-04 Asahi Kogaku Kogyo Kabushiki Kaisha Focus detecting device for single-lens reflex cameras
JPS5262022A (en) * 1975-11-17 1977-05-23 Bell & Howell Co Closed loop automatic focusing system
FR2396325A1 (fr) * 1977-07-01 1979-01-26 Olympus Optical Co Dispositif de mise au point automatique d'une image
JPS54155832A (en) * 1978-05-30 1979-12-08 Canon Inc Focusing detector

Also Published As

Publication number Publication date
NL8201070A (nl) 1982-10-18
FR2502354B1 (fr) 1985-06-21
JPS57154206A (en) 1982-09-24
FR2502354A1 (fr) 1982-09-24
CA1173284A (en) 1984-08-28
KR830009501A (ko) 1983-12-21
GB2095505A (en) 1982-09-29
AT376813B (de) 1985-01-10
JPH0526176B2 (enrdf_load_stackoverflow) 1993-04-15
DE3209517A1 (de) 1982-10-14
ATA102382A (de) 1984-05-15

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