GB2020051B - Cameras with rangefinders - Google Patents

Cameras with rangefinders

Info

Publication number
GB2020051B
GB2020051B GB7913647A GB7913647A GB2020051B GB 2020051 B GB2020051 B GB 2020051B GB 7913647 A GB7913647 A GB 7913647A GB 7913647 A GB7913647 A GB 7913647A GB 2020051 B GB2020051 B GB 2020051B
Authority
GB
United Kingdom
Prior art keywords
rangefinders
cameras
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
Application number
GB7913647A
Other languages
English (en)
Other versions
GB2020051A (en
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of GB2020051A publication Critical patent/GB2020051A/en
Application granted granted Critical
Publication of GB2020051B publication Critical patent/GB2020051B/en
Expired 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
    • 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)
GB7913647A 1978-04-25 1979-04-19 Cameras with rangefinders Expired GB2020051B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2020051A GB2020051A (en) 1979-11-07
GB2020051B true GB2020051B (en) 1982-06-30

Family

ID=25411780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7913647A Expired GB2020051B (en) 1978-04-25 1979-04-19 Cameras with rangefinders

Country Status (9)

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

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 (ja) 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
AT374011B (de) 1984-03-12
IT7922113A0 (it) 1979-04-24
CA1131970A (en) 1982-09-21
IT1112595B (it) 1986-01-20
DE2916571C2 (ja) 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
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980419