KR970059813A - 카메라용 노출제어장치 - Google Patents

카메라용 노출제어장치 Download PDF

Info

Publication number
KR970059813A
KR970059813A KR1019970001228A KR19970001228A KR970059813A KR 970059813 A KR970059813 A KR 970059813A KR 1019970001228 A KR1019970001228 A KR 1019970001228A KR 19970001228 A KR19970001228 A KR 19970001228A KR 970059813 A KR970059813 A KR 970059813A
Authority
KR
South Korea
Prior art keywords
motor
shutter
starting point
shutter blade
calculating
Prior art date
Application number
KR1019970001228A
Other languages
English (en)
Other versions
KR100322897B1 (ko
Inventor
히로시 노무라
가즈요시 아제가미
다카미츠 사사키
야스시 다바타
노리오 누마코
요시나리 다니무라
다쿠마 사토
마사아키 기시모토
Original Assignee
마츠모토 도오루
아사히 고가쿠 고교 가부시키가이샤
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 마츠모토 도오루, 아사히 고가쿠 고교 가부시키가이샤 filed Critical 마츠모토 도오루
Publication of KR970059813A publication Critical patent/KR970059813A/ko
Application granted granted Critical
Publication of KR100322897B1 publication Critical patent/KR100322897B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/32—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation
    • H05B41/325—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation by measuring the incident light
    • 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
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/04—Bodies collapsible, foldable or extensible, e.g. book type
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/093—Digital circuits for control of exposure time
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/097—Digital circuits for control of both exposure time and aperture
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/10—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a servo-motor providing energy to move the setting member
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
    • 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
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/24—Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable
    • 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
    • G03B9/58—Means for varying duration of "open" period of shutter
    • G03B9/62—Means for varying duration of "open" period of shutter by varying interval of time between end of opening movement and beginning of closing movement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/28—Applying non-metallic protective coatings
    • H05K3/281—Applying non-metallic protective coatings by means of a preformed insulating foil

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lens Barrels (AREA)
  • Shutters For Cameras (AREA)

Abstract

노출제어장치는 노출시에 셔터블레이드를 개방시키기 위해 전방으로 회전시키도록하며 셔터블레이드를 폐쇄시키기 위해 역회전하도록 DC 모터를 제어하는 제어유니트, 소정의 출발점과 소정의 구경면적이 얻어지는 점 사이에서 전방방향으로 DC 모터를 구동시키기 위한 시간주기를 계산하는 계산유니트, 셔터의 동작범위의 중간점은 출발점을 검출하는 검출유니트, 및 계산된 시간주기를 계산하기 위한 타이머로 구성되어 있다.

Description

카메라용 노출제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 실시예의 줌렌즈 카메라의 초점을 맞춤 방법을 설명하기 위해 카메라의 기계적 구조의 일예를 도시한 개략도 및 블록다이아그램.

Claims (2)

  1. 셔터블레이드를 가진 렌즈셔터와 상기 셔터블레이드가 개폐되도록 구동시키기 위한 DC 모터를 갖추고 있는 렌즈셔터 카메라용 노출제어장치에 있어서; 노출시에 상기 셔터블레이드를 개방시키기 위한 전방으로 회전하게 하며 상기 셔터블레이드를 폐쇄시키기 위해 역회전하도록 상기 DC 모터를 제어하는 제어유니트; 소정의 출발점과 소정의 구경면적이 얻어지는 점 사이에서 전방방향으로 상기 DC 모터를 구동시키기 위한 시간주기를 계산하는 계산유니트; 셔터의 작동범위의 중간점인 상기 출발점을 검출하는 검출유니트; 및 상기 출발점으로부터의 상기 시간주기를 계산하기 위한 타이머로 구성되어 있는 것을 특징으로 하는 렌즈셔터 카메라용 노출제어장치.
  2. 셔터블레이드를 가진 렌즈셔터와 상기 셔터블레이드가 개폐하도록 구동시키기 위한 DC 모터를 갖추고 있는 렌즈셔터 카메라용 노출제어장치에 있어서: 노출시에 상기 셔터블레이드를 개방시키기 위해 전방으로 회전하도록하며 상기 셔터블레이드를 폐쇄시키기 위해 역회전하도록 DC 모터를 제어하는 제어유니트; 소정의 출발점과 소정의 구경면적이 얻어지는 점 사이에서 전방방향으로 상기 DC 모터를 구동시키기 위한 시간주기를 계산하는 계산유니트; 상기 DC 모터의 회전이 안정된 점인 상기 출발점을 검출하는 검출유니트; 및 상기 출발점으로부터의 상기 시간주기를 계산하기 위한 타이머로 구성되어 있는 것을 특징으로 하는 렌즈셔터 카메라용 노출제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970001228A 1996-01-26 1997-01-17 카메라용 노출제어장치 KR100322897B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1231796 1996-01-26
JP96-12317 1996-01-26
JP5837096 1996-02-21
JP96-58370 1996-02-21

Publications (2)

Publication Number Publication Date
KR970059813A true KR970059813A (ko) 1997-08-12
KR100322897B1 KR100322897B1 (ko) 2002-11-01

Family

ID=26347915

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970001228A KR100322897B1 (ko) 1996-01-26 1997-01-17 카메라용 노출제어장치

Country Status (4)

Country Link
US (1) US5953545A (ko)
KR (1) KR100322897B1 (ko)
DE (1) DE19702502A1 (ko)
FR (1) FR2744251B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100807964B1 (ko) * 2006-07-11 2008-03-06 학교법인 포항공과대학교 모터 회전구동 방식의 ｘ선 노출제어장치

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3820548B2 (ja) * 2001-06-01 2006-09-13 ソニー株式会社 情報入力装置とそれを用いた電子機器
CN201674451U (zh) * 2010-05-18 2010-12-15 王昕� 直流电机步进调速控制装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672267A (en) * 1970-10-01 1972-06-27 Eastman Kodak Co Sequential control for camera diaphragm and shutter
JPH0322745Y2 (ko) * 1980-04-30 1991-05-17
JPS5729035A (en) * 1980-07-28 1982-02-16 Konishiroku Photo Ind Co Ltd Stop control method for camera
JPS58223129A (ja) * 1982-06-21 1983-12-24 Copal Co Ltd 絞り優先可能な受光部連動式プログラムシヤツタ
GB2185586B (en) * 1986-01-13 1989-11-22 Seikosha Kk Shutter control device for a camera
US5162831A (en) * 1986-05-12 1992-11-10 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for camera
DE69021297T2 (de) * 1989-08-31 1996-01-04 Canon Kk Verschlussvorrichtung, welche auch als Blendeneinrichtung nutzbar ist.
US4936272A (en) * 1989-09-11 1990-06-26 Whitmore Lee K Prelube system
JP2952606B2 (ja) * 1990-06-21 1999-09-27 セイコープレシジョン株式会社 カメラ用シヤッタ
JP2517473Y2 (ja) * 1990-06-25 1996-11-20 セイコープレシジョン株式会社 カメラ用シャッタ
JP2517474Y2 (ja) * 1990-06-25 1996-11-20 セイコープレシジョン株式会社 カメラ用シャッタ
JP2974818B2 (ja) * 1991-04-30 1999-11-10 株式会社コパル プログラムシャッタの制御装置
JP3094254B2 (ja) * 1992-02-21 2000-10-03 株式会社リコー パルス制御カメラとその制御基準位置設定方法およびその製作時における機械的誤差調整方法
US5264896A (en) * 1992-05-18 1993-11-23 Eastman Kodak Company Continuously variable electronically actuated shuttering system
US5432576A (en) * 1994-01-05 1995-07-11 Eastman Kodak Company Aperture mechanism having a blade positionable in an open position by a hard stop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100807964B1 (ko) * 2006-07-11 2008-03-06 학교법인 포항공과대학교 모터 회전구동 방식의 ｘ선 노출제어장치

Also Published As

Publication number Publication date
FR2744251B1 (fr) 1999-03-05
FR2744251A1 (fr) 1997-08-01
KR100322897B1 (ko) 2002-11-01
US5953545A (en) 1999-09-14
DE19702502A1 (de) 1997-11-06

Similar Documents

Publication Publication Date Title
KR970027439A (ko) 세탁기의 자동도어 개폐장치의 제어방법
KR970059813A (ko) 카메라용 노출제어장치
KR890016414A (ko) 비디오카메라
KR970059812A (ko) 카메라용 노출제어장치
US5148201A (en) Zooming control apparatus for a camera
ES2048712T1 (es) Dispositivo de accionamiento de un motor de toldo o similares con dos sentidos de rotacion.
KR970059811A (ko) 카메라용 노출제어장치
KR910019411A (ko) 자동촛점장치의 모터 제어회로
KR970059816A (ko) 카메라용 노출제어장치 및 인코더
KR940012036A (ko) 카메라의 조리개 우선식 렌즈셔터장치
JPS6425112A (en) Dynamic type zoom device
JPS5943533Y2 (ja) カメラの自動露出制御装置
KR970048890A (ko) 카메라의 연속 촬영을 위한 각도 조정 장치를 부가한 카메라 및 방법
JPH0248827Y2 (ko)
KR970002426A (ko) 카메라의 줌 속도 가변 제어 장치
KR970060876A (ko) 캠코더의 입사광량 조절장치 및 방법
KR930015695A (ko) 캠코더의 자동 촛점 제어방법
KR950004930A (ko) 캠코더의 착탈식 영상 결상장치
KR0117458Y1 (ko) 박스형 선풍기의 풍향 조절 장치
SU1075078A1 (ru) Устройство дл стробоскопической фотосъемки
JPH0229610A (ja) ズームカメラ
JPS60229683A (ja) 過負荷逆転装置
KR940020773A (ko) 이중 렌즈를 구비한 캠코더
KR970071104A (ko) 필름 감기 방법 및 그 장치
KR950022028A (ko) 무정류자모터의 운전제어장치 및 방법

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20060110

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee