[go: up one dir, main page]

KR920008528A - 광학계의 회동량 검출장치 - Google Patents

광학계의 회동량 검출장치 Download PDF

Info

Publication number
KR920008528A
KR920008528A KR1019910016334A KR910016334A KR920008528A KR 920008528 A KR920008528 A KR 920008528A KR 1019910016334 A KR1019910016334 A KR 1019910016334A KR 910016334 A KR910016334 A KR 910016334A KR 920008528 A KR920008528 A KR 920008528A
Authority
KR
South Korea
Prior art keywords
optical system
detection device
amount detection
rotating amount
rotating
Prior art date
Application number
KR1019910016334A
Other languages
English (en)
Other versions
KR0185397B1 (ko
Inventor
히로시 가와무라
마사도 쓰지나까
Original Assignee
오가 노리오
소니 가부시끼가이샤
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 오가 노리오, 소니 가부시끼가이샤 filed Critical 오가 노리오
Publication of KR920008528A publication Critical patent/KR920008528A/ko
Application granted granted Critical
Publication of KR0185397B1 publication Critical patent/KR0185397B1/ko

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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/04—Single movable plate with two or more apertures of graded size, e.g. sliding plate or pivoting plate
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
    • G02B9/06—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only two + components
    • G02B9/08—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only two + components arranged about a stop

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diaphragms For Cameras (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

내용 없음

Description

광학계의 회동량 검출장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명의 실시예를 나타낸 카메라의 스로틀량 검출장치의 단면도.
제2도는 이 장치의 배면도.
제3도는 다른 실시예의 카메라의 스로틀량 검출장치의 개략배면도.

Claims (1)

  1. 부재를 회동시키는 회전체의 외주측에 자기구배(磁氣句配)를 가진 자석을 배치하고, 이 자석에 소정클리어런스 떨어져서 대향하는 위치에 자속검출수단을 고정한 것을 특징으로 하는 광학계의 회동량 검출장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910016334A 1990-10-16 1991-09-19 광학계의 회동량 검출장치 KR0185397B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2276849A JP3038874B2 (ja) 1990-10-16 1990-10-16 撮像装置
JP90-276849 1990-10-16

Publications (2)

Publication Number Publication Date
KR920008528A true KR920008528A (ko) 1992-05-28
KR0185397B1 KR0185397B1 (ko) 1999-05-15

Family

ID=17575266

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910016334A KR0185397B1 (ko) 1990-10-16 1991-09-19 광학계의 회동량 검출장치

Country Status (5)

Country Link
US (1) US5371633A (ko)
EP (1) EP0481884B1 (ko)
JP (1) JP3038874B2 (ko)
KR (1) KR0185397B1 (ko)
DE (1) DE69129783T2 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5689746A (en) * 1993-08-13 1997-11-18 Canon Kabushiki Kaisha Amount-of-light adjusting device
US5705873A (en) * 1993-12-22 1998-01-06 Canon Denshi Kabushiki Kaisha Light-quantity control device
FR2744249B1 (fr) * 1996-01-26 1998-12-31 Asahi Optical Co Ltd Dispositif de commande d'exposition et codeur pour appareil photo
US5781817A (en) * 1996-01-26 1998-07-14 Asahi Kogaku Kogyo Kabushiki Kaisha Exposure controlling device and encoder for camera
AT406800B (de) * 1998-03-09 2000-09-25 Bauer Fritz Steuerungssystem für ein objektiv einer kamera
US6724429B2 (en) 2001-04-23 2004-04-20 Panavision, Inc. System for sensing and displaying lens data for high performance film and video cameras and lenses
EP1393125A4 (en) 2001-05-30 2007-02-07 Panavision Inc MANUAL REMOTE CONTROL FOR CAMERAS OR CAMCORDERS AND FOR LENSES
JP3145532U (ja) * 2008-07-30 2008-10-09 日本精密測器株式会社 絞り装置
DE102012111731B4 (de) 2012-12-03 2017-10-12 Carl Zeiss Industrielle Messtechnik Gmbh Irisblende und optische Vorrichtung
JP7226770B2 (ja) * 2018-12-20 2023-02-21 アクア株式会社 遮蔽装置およびそれを備えた冷蔵庫
CN113195959B (zh) * 2018-12-21 2023-07-18 华为技术有限公司 可变光圈设备和摄像模块
WO2022165855A1 (zh) * 2021-02-08 2022-08-11 欧菲光集团股份有限公司 一种防尘盖结构及移动终端

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086519A (en) * 1977-02-25 1978-04-25 Electro-Craft Corporation Hall effect shaft angle position encoder
JPS56151917A (en) * 1980-04-25 1981-11-25 Copal Co Ltd Aperture blade control device for single-lens reflex camera
JPS5749928A (en) * 1980-09-11 1982-03-24 Ricoh Co Ltd Photometric correction device of zoom lens
JPS58122506A (ja) * 1981-12-10 1983-07-21 Mamiya Koki Kk レンズ駆動装置
US4658214A (en) * 1982-12-28 1987-04-14 Polaroid Corporation Magnetic position indicator using multiple probes
JPS61245121A (ja) * 1985-04-23 1986-10-31 Victor Co Of Japan Ltd ズ−ムレンズ装置
JPS61256870A (ja) * 1985-05-09 1986-11-14 Matsushita Electric Ind Co Ltd 撮影装置
JPS627014A (ja) * 1985-07-04 1987-01-14 Olympus Optical Co Ltd 絞り装置
US4874233A (en) * 1986-04-14 1989-10-17 Canon Kabushiki Kaisha Diaphragm control device for interchangeable lens
US4922274A (en) * 1986-11-21 1990-05-01 Canon Kabushiki Kaisha/Canon Denshi Kabushiki Kaisha Motor driven exposure adjusting device
JPS63256914A (ja) * 1987-04-14 1988-10-24 Canon Inc レンズ鏡筒
US4860040A (en) * 1987-06-19 1989-08-22 Canon Kabushiki Kaisha Camera

Also Published As

Publication number Publication date
KR0185397B1 (ko) 1999-05-15
EP0481884A3 (en) 1993-03-03
EP0481884B1 (en) 1998-07-15
DE69129783D1 (de) 1998-08-20
US5371633A (en) 1994-12-06
DE69129783T2 (de) 1998-11-19
JP3038874B2 (ja) 2000-05-08
EP0481884A2 (en) 1992-04-22
JPH04152211A (ja) 1992-05-26

Similar Documents

Publication Publication Date Title
KR920008528A (ko) 광학계의 회동량 검출장치
KR840007285A (ko) 자기적(磁氣的)으로 위치를 검출하는 장치
FR2599794B1 (fr) Palier ou roulement a capteur d'informations
KR910015459A (ko) 조향축의 방향과 속도를 감지하는 장치
DE69206073D1 (de) GPS-Navigationssystem mit lokaler Geschwindigkeits- und Richtungserfassung und mit PDOP-Genauigkeitsbewertung.
KR920008516A (ko) 렌즈경통(鏡筒)의 초기위치검출장치
FR2691534B1 (fr) Capteur de position à aimant permanent et sonde de hall.
KR920001236A (ko) 전자식 카메라와 그 재생장치
ITTO940165A0 (it) Dispositivo di rilevazione radiale della velocita' di rotazione di un cuscinetto e cuscinetto munito di un tale dispositivo integrato.
NO156844B (no) Anordning for kontakt-fri paavisning av ubalanse.
BR0006191A (pt) Rolamento equipado com um dispositivo de detecção de informação
ATE126587T1 (de) Kraftaufnehmer mit torsionsring.
KR910017190A (ko) 위치/이동 검출기
KR920003062A (ko) 광자계 센서
ITTO920170A1 (it) Dispositivo di rilevamento della velocita' di rotazione.
FR2667947B1 (fr) Dispositif de capteur de vitesse de rotation.
ITTO920169A1 (it) Dispositivo di rilevamento della velocita' di rotazione.
KR930005520A (ko) 부품장착장치
KR870000495A (ko) 키이 센서
FR2677127B1 (fr) Dispositif de mesure d'une vitesse angulaire.
DE69017985D1 (de) Hochempfindlicher optischer Magnetfeldfühler.
KR910700480A (ko) 필름상에 자기적으로 기록하는 카메라 장치
FR2678736B1 (fr) Dispositif de mesure de l'hysteresis d'echantillons d'aimants permanents.
DE69100900D1 (de) Magnetische detektionsvorrichtung für ferromagnetische ankerminen.
KR940004204A (ko) 각도검출장치

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19910919

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19960122

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19910919

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19980824

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19981215

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19981224

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19981224

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20011122

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20021111

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20031114

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20041112

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20051130

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20061201

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20071127

Start annual number: 10

End annual number: 10

FPAY Annual fee payment

Payment date: 20081120

Year of fee payment: 11

PR1001 Payment of annual fee

Payment date: 20081120

Start annual number: 11

End annual number: 11

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

Termination category: Default of registration fee

Termination date: 20101110