FR2424562A1 - Appareil de prise de vues possedant une indication de distance trop proche/trop eloignee - Google Patents

Appareil de prise de vues possedant une indication de distance trop proche/trop eloignee

Info

Publication number
FR2424562A1
FR2424562A1 FR7910478A FR7910478A FR2424562A1 FR 2424562 A1 FR2424562 A1 FR 2424562A1 FR 7910478 A FR7910478 A FR 7910478A FR 7910478 A FR7910478 A FR 7910478A FR 2424562 A1 FR2424562 A1 FR 2424562A1
Authority
FR
France
Prior art keywords
subject
pulses
distance
range
telemeter
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.)
Granted
Application number
FR7910478A
Other languages
English (en)
French (fr)
Other versions
FR2424562B1 (enrdf_load_stackoverflow
Inventor
Conrad H Biber
Edwin K Shenk
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 FR2424562A1 publication Critical patent/FR2424562A1/fr
Application granted granted Critical
Publication of FR2424562B1 publication Critical patent/FR2424562B1/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
    • 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)
FR7910478A 1978-04-25 1979-04-25 Appareil de prise de vues possedant une indication de distance trop proche/trop eloignee Granted FR2424562A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2424562A1 true FR2424562A1 (fr) 1979-11-23
FR2424562B1 FR2424562B1 (enrdf_load_stackoverflow) 1984-04-06

Family

ID=25411780

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7910478A Granted FR2424562A1 (fr) 1978-04-25 1979-04-25 Appareil de prise de vues possedant une indication de distance trop proche/trop eloignee

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0224336A3 (en) * 1985-11-21 1987-10-07 Polaroid Corporation Method and system for use with photographic apparatus

Families Citing this family (15)

* 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
US5119121A (en) * 1988-06-30 1992-06-02 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera having macro and normal operational modes
US5235374A (en) * 1988-06-30 1993-08-10 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera having macro and normal operational modes
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
US5291232A (en) * 1988-06-30 1994-03-01 Asahi Kogaku Kogyo Kabushiki Kaisha Device for controlling an operation of a movable member
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
US5146259A (en) * 1988-06-30 1992-09-08 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera including automatic shutter speed changing apparatus
US5280320A (en) * 1988-06-30 1994-01-18 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera having internal photographing mode and display
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
US5136320A (en) * 1988-06-30 1992-08-04 Asahi Kogaku Kogyo Kabushiki Kaisha Electronically controlled camera having macro and normal operational modes
USRE36252E (en) * 1988-06-30 1999-07-13 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocus camera
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

Citations (1)

* 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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (1)

* 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0224336A3 (en) * 1985-11-21 1987-10-07 Polaroid Corporation Method and system for use with photographic apparatus

Also Published As

Publication number Publication date
DE2916571C2 (enrdf_load_stackoverflow) 1990-03-08
IT1112595B (it) 1986-01-20
JPS5511277A (en) 1980-01-26
GB2020051A (en) 1979-11-07
AU527169B2 (en) 1983-02-17
AT374011B (de) 1984-03-12
ATA310179A (de) 1983-07-15
DE2916571A1 (de) 1980-01-24
AU4644179A (en) 1979-11-01
IT7922113A0 (it) 1979-04-24
CA1131970A (en) 1982-09-21
CH649635A5 (de) 1985-05-31
FR2424562B1 (enrdf_load_stackoverflow) 1984-04-06
GB2020051B (en) 1982-06-30

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