FR2661257B1 - Dispositif de commande pour le deplacement d'un element mobile, en particulier d'un objectif photographique. - Google Patents

Dispositif de commande pour le deplacement d'un element mobile, en particulier d'un objectif photographique.

Info

Publication number
FR2661257B1
FR2661257B1 FR9107301A FR9107301A FR2661257B1 FR 2661257 B1 FR2661257 B1 FR 2661257B1 FR 9107301 A FR9107301 A FR 9107301A FR 9107301 A FR9107301 A FR 9107301A FR 2661257 B1 FR2661257 B1 FR 2661257B1
Authority
FR
France
Prior art keywords
moving
control device
photographic lens
mobile element
mobile
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
FR9107301A
Other languages
English (en)
Other versions
FR2661257A1 (fr
Inventor
Takeo Kobayashi
Yasushi Tabata
Norio Numako
Katsutoshi Nagai
Takao Nishida
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 JP16389988A external-priority patent/JP2767109B2/ja
Priority claimed from JP3131589A external-priority patent/JP2750598B2/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2661257A1 publication Critical patent/FR2661257A1/fr
Application granted granted Critical
Publication of FR2661257B1 publication Critical patent/FR2661257B1/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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • 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
    • 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
    • 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
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units
    • G03B2215/0503—Built-in units

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
FR9107301A 1988-06-30 1991-06-14 Dispositif de commande pour le deplacement d'un element mobile, en particulier d'un objectif photographique. Expired - Fee Related FR2661257B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16389988A JP2767109B2 (ja) 1988-06-30 1988-06-30 マクロ撮影・通常撮影機能付き電子制御カメラ
JP3131589A JP2750598B2 (ja) 1989-02-10 1989-02-10 マクロ機能付き電子制御カメラ

Publications (2)

Publication Number Publication Date
FR2661257A1 FR2661257A1 (fr) 1991-10-25
FR2661257B1 true FR2661257B1 (fr) 1993-10-22

Family

ID=26369766

Family Applications (3)

Application Number Title Priority Date Filing Date
FR8908779A Expired - Fee Related FR2633733B1 (fr) 1988-06-30 1989-06-30 Appareil photographique a commande electronique ayant des modes de fonctionnement macro et normal
FR9107302A Expired - Fee Related FR2661258B1 (fr) 1988-06-30 1991-06-14 Appareil photographique a commande electronique.
FR9107301A Expired - Fee Related FR2661257B1 (fr) 1988-06-30 1991-06-14 Dispositif de commande pour le deplacement d'un element mobile, en particulier d'un objectif photographique.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR8908779A Expired - Fee Related FR2633733B1 (fr) 1988-06-30 1989-06-30 Appareil photographique a commande electronique ayant des modes de fonctionnement macro et normal
FR9107302A Expired - Fee Related FR2661258B1 (fr) 1988-06-30 1991-06-14 Appareil photographique a commande electronique.

Country Status (2)

Country Link
FR (3) FR2633733B1 (fr)
GB (4) GB2221998B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277165B (en) * 1990-02-14 1995-01-04 Asahi Optical Co Ltd Camera having a plurality of control zoom modes
GB2241074B (en) * 1990-02-14 1995-01-04 Asahi Optical Co Ltd Camera having motor-driven zoom lens
JP2942296B2 (ja) * 1990-02-15 1999-08-30 旭光学工業株式会社 電動ズーム装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT248236B (de) * 1960-10-07 1966-07-25 Philippa Durst Vorrichtung zum selbsttätigen Scharfeinstellen eines Aufnahmeobjectivs
IT997248B (it) * 1972-10-03 1975-12-30 Vockenhuber Karl Apparecchio da presa con un sistema ottico a distanza focale veriabi le
US4002405A (en) * 1975-04-03 1977-01-11 Curt Stahl Variable speed control for zooming
GB2020051B (en) * 1978-04-25 1982-06-30 Polaroid Corp Cameras with rangefinders
US4303321A (en) * 1979-12-12 1981-12-01 Asahi Kogaku Kogyo Kabushiki Kaisha Photographic camera of automatic focussing type
JPS6239391Y2 (fr) * 1980-07-25 1987-10-07
JPS5877306U (ja) * 1981-11-19 1983-05-25 旭光学工業株式会社 ズ−ミング装置
JPS59191020A (ja) * 1983-04-14 1984-10-30 Canon Inc 自動焦点カメラ
JPS6060739U (ja) * 1983-10-03 1985-04-27 富士写真フイルム株式会社 広角・望遠撮影切換えカメラのレンズセツト不適正検出装置
JPS60143310A (ja) * 1983-12-30 1985-07-29 Asahi Optical Co Ltd ズ−ムレンズのオ−トフオ−カス装置
JPS61148434A (ja) * 1984-12-22 1986-07-07 Fuji Photo Film Co Ltd 近接合焦機能を有する自動焦点装置
US4717932A (en) * 1985-05-14 1988-01-05 Konishiroku Photo Industry Co., Ltd. Focal length switching type camera
DE3751455T2 (de) * 1986-05-12 1996-02-01 Asahi Optical Co Ltd Photographisch-optisches System und Kamera mit einem solchen System.
JP2709932B2 (ja) * 1988-02-03 1998-02-04 旭光学工業株式会社 ズームレンズ駆動装置
GB2221107B (en) * 1988-06-30 1992-12-16 Asahi Optical Co Ltd Position detecting device

Also Published As

Publication number Publication date
GB2221998A (en) 1990-02-21
GB8915127D0 (en) 1989-08-23
GB2221998B (en) 1993-01-27
FR2661257A1 (fr) 1991-10-25
FR2633733B1 (fr) 1994-05-13
FR2661258B1 (fr) 1993-11-12
GB2254706A (en) 1992-10-14
GB2254707A (en) 1992-10-14
FR2661258A1 (fr) 1991-10-25
GB9210427D0 (en) 1992-07-01
FR2633733A1 (fr) 1990-01-05
GB9210429D0 (en) 1992-07-01
GB9210428D0 (en) 1992-07-01
GB2254706B (en) 1993-01-27
GB2254707B (en) 1993-01-27
GB2254708B (en) 1993-01-27
GB2254708A (en) 1992-10-14

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070228