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FR2502354B1 - Installation de mise au point automatique pour appareil de prise de vues tel qu'une camera de television a focale variable - Google Patents

Installation de mise au point automatique pour appareil de prise de vues tel qu'une camera de television a focale variable

Info

Publication number
FR2502354B1
FR2502354B1 FR8204034A FR8204034A FR2502354B1 FR 2502354 B1 FR2502354 B1 FR 2502354B1 FR 8204034 A FR8204034 A FR 8204034A FR 8204034 A FR8204034 A FR 8204034A FR 2502354 B1 FR2502354 B1 FR 2502354B1
Authority
FR
France
Prior art keywords
camera
automatic focusing
variable focal
focusing installation
television
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
FR8204034A
Other languages
English (en)
French (fr)
Other versions
FR2502354A1 (fr
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2502354A1 publication Critical patent/FR2502354A1/fr
Application granted granted Critical
Publication of FR2502354B1 publication Critical patent/FR2502354B1/fr
Expired 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Character Input (AREA)
  • Accessories Of Cameras (AREA)
FR8204034A 1981-03-17 1982-03-10 Installation de mise au point automatique pour appareil de prise de vues tel qu'une camera de television a focale variable Expired FR2502354B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2502354A1 FR2502354A1 (fr) 1982-09-24
FR2502354B1 true FR2502354B1 (fr) 1985-06-21

Family

ID=12525538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8204034A Expired FR2502354B1 (fr) 1981-03-17 1982-03-10 Installation de mise au point automatique pour appareil de prise de vues tel qu'une camera de television a focale variable

Country Status (8)

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

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
KR830009501A (ko) 1983-12-21
GB2095505A (en) 1982-09-29
CA1173284A (en) 1984-08-28
NL8201070A (nl) 1982-10-18
AT376813B (de) 1985-01-10
JPH0526176B2 (ko) 1993-04-15
ATA102382A (de) 1984-05-15
DE3209517A1 (de) 1982-10-14
KR890001454B1 (ko) 1989-05-03
JPS57154206A (en) 1982-09-24
FR2502354A1 (fr) 1982-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse