FR2681154B1 - - Google Patents

Info

Publication number
FR2681154B1
FR2681154B1 FR9210790A FR9210790A FR2681154B1 FR 2681154 B1 FR2681154 B1 FR 2681154B1 FR 9210790 A FR9210790 A FR 9210790A FR 9210790 A FR9210790 A FR 9210790A FR 2681154 B1 FR2681154 B1 FR 2681154B1
Authority
FR
France
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
FR9210790A
Other languages
French (fr)
Other versions
FR2681154A1 (fr
Inventor
Takeo Kobayashi
Yasushi Tabata
Norio Numako
Katsutoshi Nagai
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
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2681154A1 publication Critical patent/FR2681154A1/fr
Application granted granted Critical
Publication of FR2681154B1 publication Critical patent/FR2681154B1/fr
Granted 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
    • 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
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
    • 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
    • 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
    • G03B43/00—Testing correct operation of photographic apparatus or parts thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Stroboscope Apparatuses (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
FR9210790A 1988-06-30 1992-09-10 Appareil de photographie, notamment autofocus, et procede pour verifier une valeur detectee par un tel appareil. Granted FR2681154A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988087122U JP2536236Y2 (ja) 1988-06-30 1988-06-30 カメラの表示装置およびカメラの検査治具

Publications (2)

Publication Number Publication Date
FR2681154A1 FR2681154A1 (fr) 1993-03-12
FR2681154B1 true FR2681154B1 (ja) 1994-12-02

Family

ID=13906152

Family Applications (2)

Application Number Title Priority Date Filing Date
FR8908785A Expired - Fee Related FR2633735B1 (ja) 1988-06-30 1989-06-30
FR9210790A Granted FR2681154A1 (fr) 1988-06-30 1992-09-10 Appareil de photographie, notamment autofocus, et procede pour verifier une valeur detectee par un tel appareil.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR8908785A Expired - Fee Related FR2633735B1 (ja) 1988-06-30 1989-06-30

Country Status (4)

Country Link
JP (1) JP2536236Y2 (ja)
DE (1) DE3921643C2 (ja)
FR (2) FR2633735B1 (ja)
GB (1) GB2221114B (ja)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5345233A (en) * 1976-10-05 1978-04-22 Asahi Optical Co Ltd Device for manually setting digital electric control camera
GB2020051B (en) * 1978-04-25 1982-06-30 Polaroid Corp Cameras with rangefinders
JPS55110229A (en) * 1979-02-16 1980-08-25 Asahi Optical Co Ltd Automatic focus indicator of camera
JPS5738402A (en) * 1980-08-19 1982-03-03 Canon Inc Display device of automatic focal point adjuster
JPS57196221A (en) * 1981-05-28 1982-12-02 Asahi Optical Co Ltd Warning display mechanism for photographic information of camera
US4462669A (en) * 1981-08-18 1984-07-31 Canon Kabushiki Kaisha Self-timer device for camera
JPS59116729A (ja) * 1982-12-24 1984-07-05 Sanpack:Kk 撮影用光源
JPH0625844B2 (ja) * 1983-05-26 1994-04-06 キヤノン株式会社 カメラ
US4711547A (en) * 1984-11-28 1987-12-08 Canon Kabushiki Kaisha Display device
US4717934A (en) * 1984-12-28 1988-01-05 Canon Kabushiki Kaisha Camera system
GB2180074B (en) * 1985-09-06 1989-08-16 Asahi Optical Co Ltd Digital data output from a camera
JPS6258233A (ja) * 1985-09-09 1987-03-13 Fuji Photo Optical Co Ltd カメラの作動表示装置
JPH06329741A (ja) * 1993-05-26 1994-11-29 Nippon Kayaku Co Ltd 樹脂、エポキシ樹脂及びその製造法、樹脂組成物及びその硬化物

Also Published As

Publication number Publication date
FR2633735A1 (ja) 1990-01-05
DE3921643A1 (de) 1990-01-11
JPH027638U (ja) 1990-01-18
GB2221114A (en) 1990-01-24
FR2633735B1 (ja) 1993-05-07
DE3921643C2 (de) 2001-02-15
FR2681154A1 (fr) 1993-03-12
JP2536236Y2 (ja) 1997-05-21
GB2221114B (en) 1993-02-17

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060228