FR2744249B1 - Dispositif de commande d'exposition et codeur pour appareil photo - Google Patents

Dispositif de commande d'exposition et codeur pour appareil photo

Info

Publication number
FR2744249B1
FR2744249B1 FR9700736A FR9700736A FR2744249B1 FR 2744249 B1 FR2744249 B1 FR 2744249B1 FR 9700736 A FR9700736 A FR 9700736A FR 9700736 A FR9700736 A FR 9700736A FR 2744249 B1 FR2744249 B1 FR 2744249B1
Authority
FR
France
Prior art keywords
encoder
camera
control device
exposure control
exposure
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 - Fee Related
Application number
FR9700736A
Other languages
English (en)
Other versions
FR2744249A1 (fr
Inventor
Hiroshi Nomura
Kazuyoshi Azegami
Takamitsu Sasaki
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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
Priority claimed from JP02763596A external-priority patent/JP3700233B2/ja
Priority claimed from JP02948896A external-priority patent/JP3569374B2/ja
Priority claimed from JP5787996A external-priority patent/JPH09244092A/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2744249A1 publication Critical patent/FR2744249A1/fr
Application granted granted Critical
Publication of FR2744249B1 publication Critical patent/FR2744249B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • G03B17/04—Bodies collapsible, foldable or extensible, e.g. book type
    • 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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
FR9700736A 1996-01-26 1997-01-24 Dispositif de commande d'exposition et codeur pour appareil photo Expired - Fee Related FR2744249B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1231796 1996-01-26
JP02763596A JP3700233B2 (ja) 1996-02-15 1996-02-15 カメラの防振防油装置
JP02948896A JP3569374B2 (ja) 1996-02-16 1996-02-16 エンコーダ及びカメラの露出制御装置
JP5787996A JPH09244092A (ja) 1996-03-14 1996-03-14 カメラの露出制御装置

Publications (2)

Publication Number Publication Date
FR2744249A1 FR2744249A1 (fr) 1997-08-01
FR2744249B1 true FR2744249B1 (fr) 1998-12-31

Family

ID=27455777

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9700736A Expired - Fee Related FR2744249B1 (fr) 1996-01-26 1997-01-24 Dispositif de commande d'exposition et codeur pour appareil photo

Country Status (1)

Country Link
FR (1) FR2744249B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4557573A (en) * 1984-03-28 1985-12-10 Polaroid Corporation Photosensor arrangement for encoding lens and shutter blade position
JP3038874B2 (ja) * 1990-10-16 2000-05-08 ソニー株式会社 撮像装置
US5262812A (en) * 1991-08-30 1993-11-16 Nisca Corporation Blades actuation device for light path

Also Published As

Publication number Publication date
FR2744249A1 (fr) 1997-08-01

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070930