IT7922113A0 - Macchina fotografica con messa a fuoco automatica ed indicatore di distanza del soggetto. - Google Patents

Macchina fotografica con messa a fuoco automatica ed indicatore di distanza del soggetto.

Info

Publication number
IT7922113A0
IT7922113A0 IT7922113A IT2211379A IT7922113A0 IT 7922113 A0 IT7922113 A0 IT 7922113A0 IT 7922113 A IT7922113 A IT 7922113A IT 2211379 A IT2211379 A IT 2211379A IT 7922113 A0 IT7922113 A0 IT 7922113A0
Authority
IT
Italy
Prior art keywords
camera
subject distance
automatic focus
distance indicator
indicator
Prior art date
Application number
IT7922113A
Other languages
English (en)
Other versions
IT1112595B (it
Original Assignee
Cambridge Massachusetts U S A
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 Cambridge Massachusetts U S A filed Critical Cambridge Massachusetts U S A
Publication of IT7922113A0 publication Critical patent/IT7922113A0/it
Application granted granted Critical
Publication of IT1112595B publication Critical patent/IT1112595B/it

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
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
    • 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
    • G02B7/40—Systems for automatic generation of focusing signals using time delay of the reflected waves, e.g. of ultrasonic waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Stroboscope Apparatuses (AREA)
  • Automatic Focus Adjustment (AREA)
IT7922113A 1978-04-25 1979-04-24 Macchina fotografica con messa a fuoco automatica ed indicatore di distanza del soggetto IT1112595B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89996278A 1978-04-25 1978-04-25

Publications (2)

Publication Number Publication Date
IT7922113A0 true IT7922113A0 (it) 1979-04-24
IT1112595B IT1112595B (it) 1986-01-20

Family

ID=25411780

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7922113A IT1112595B (it) 1978-04-25 1979-04-24 Macchina fotografica con messa a fuoco automatica ed indicatore di distanza del soggetto

Country Status (9)

Country Link
JP (1) JPS5511277A (it)
AT (1) AT374011B (it)
AU (1) AU527169B2 (it)
CA (1) CA1131970A (it)
CH (1) CH649635A5 (it)
DE (1) DE2916571A1 (it)
FR (1) FR2424562A1 (it)
GB (1) GB2020051B (it)
IT (1) IT1112595B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6064336A (ja) * 1983-09-19 1985-04-12 Fuji Photo Film Co Ltd カメラのファインダ表示装置
JPS6243090A (ja) * 1985-08-19 1987-02-25 日本特殊陶業株式会社 内燃機関用点火プラグ
US4754296A (en) * 1985-11-21 1988-06-28 Polaroid Corporation Method of and apparatus for displaying alphanumeric range in camera viewfinder
US5384617A (en) * 1988-06-30 1995-01-24 Asahi Kogaku Kogyo Kabushiki Kaisha Exposure control system of a camera having an interval mode
US5241334A (en) * 1988-06-30 1993-08-31 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera having mode changing capability
USRE36252E (en) * 1988-06-30 1999-07-13 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocus camera
US5119121A (en) * 1988-06-30 1992-06-02 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera having macro and normal operational modes
FR2633733B1 (fr) * 1988-06-30 1994-05-13 Asahi Kogaku Kogyo Kk Appareil photographique a commande electronique ayant des modes de fonctionnement macro et normal
US5235374A (en) * 1988-06-30 1993-08-10 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera having macro and normal operational modes
US5280320A (en) * 1988-06-30 1994-01-18 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera having internal photographing mode and display
US5136320A (en) * 1988-06-30 1992-08-04 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera having macro and normal operational modes
US5291232A (en) * 1988-06-30 1994-03-01 Asahi Kogaku Kogyo Kabushiki Kaisha Device for controlling an operation of a movable member
US5146259A (en) * 1988-06-30 1992-09-08 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera including automatic shutter speed changing apparatus
JP2536236Y2 (ja) * 1988-06-30 1997-05-21 旭光学工業株式会社 カメラの表示装置およびカメラの検査治具
JPH0215248A (ja) * 1988-07-04 1990-01-18 Seikosha Co Ltd カメラの自動焦点調節装置
JP2754363B2 (ja) * 1995-09-28 1998-05-20 富士写真フイルム株式会社 カメラのファインダ表示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886567A (en) * 1972-08-28 1975-05-27 Canon Kk Optical system position controlling device
US3917395A (en) * 1973-06-28 1975-11-04 Honeywell Inc Control circuit for photographic apparatus
CA1099554A (en) * 1976-10-04 1981-04-21 Polaroid Corporation Automatic range finding and focussing camera

Also Published As

Publication number Publication date
FR2424562B1 (it) 1984-04-06
AU4644179A (en) 1979-11-01
AU527169B2 (en) 1983-02-17
DE2916571A1 (de) 1980-01-24
JPS5511277A (en) 1980-01-26
ATA310179A (de) 1983-07-15
GB2020051B (en) 1982-06-30
AT374011B (de) 1984-03-12
CA1131970A (en) 1982-09-21
IT1112595B (it) 1986-01-20
DE2916571C2 (it) 1990-03-08
GB2020051A (en) 1979-11-07
FR2424562A1 (fr) 1979-11-23
CH649635A5 (de) 1985-05-31

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960329