JPS6364761B2 - - Google Patents

Info

Publication number
JPS6364761B2
JPS6364761B2 JP56028508A JP2850881A JPS6364761B2 JP S6364761 B2 JPS6364761 B2 JP S6364761B2 JP 56028508 A JP56028508 A JP 56028508A JP 2850881 A JP2850881 A JP 2850881A JP S6364761 B2 JPS6364761 B2 JP S6364761B2
Authority
JP
Japan
Prior art keywords
lens
focus
aperture diameter
distance
camera
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
JP56028508A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56133722A (en
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 filed Critical
Publication of JPS56133722A publication Critical patent/JPS56133722A/ja
Publication of JPS6364761B2 publication Critical patent/JPS6364761B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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)
  • Automatic Focus Adjustment (AREA)
  • Exposure Control For Cameras (AREA)
  • Lens Barrels (AREA)
JP2850881A 1980-03-03 1981-03-02 Device for focusing image for photographic camera and method therfor Granted JPS56133722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12682480A 1980-03-03 1980-03-03

Publications (2)

Publication Number Publication Date
JPS56133722A JPS56133722A (en) 1981-10-20
JPS6364761B2 true JPS6364761B2 (enExample) 1988-12-13

Family

ID=22426878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2850881A Granted JPS56133722A (en) 1980-03-03 1981-03-02 Device for focusing image for photographic camera and method therfor

Country Status (5)

Country Link
JP (1) JPS56133722A (enExample)
CA (1) CA1151929A (enExample)
DE (1) DE3107945A1 (enExample)
FR (1) FR2477292A1 (enExample)
GB (1) GB2070794B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346552A1 (de) * 1982-12-23 1984-06-28 Konishiroku Photo Industry Co., Ltd., Tokio/Tokyo Kamera
JPH0545057Y2 (enExample) * 1986-03-17 1993-11-17
GB2196134B (en) * 1986-09-30 1990-12-19 Canon Kk Camera having auto focus apparatus
DE3912165A1 (de) * 1989-04-13 1989-09-28 Christian Dipl Ing Bock Zusatzsteuerung fuer autofocus-systeme

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641889A (en) * 1970-09-02 1972-02-15 Polaroid Corp Exposure control system
AT329375B (de) * 1974-05-07 1976-05-10 Eumig Kamera
JPS5114891A (en) * 1974-07-27 1976-02-05 Toyota Motor Co Ltd Shokubaino seizoho
US3975744A (en) * 1974-08-05 1976-08-17 Polaroid Corporation Automatic exposure control system
DE2755368A1 (de) * 1977-12-12 1979-06-13 Rollei Werke Franke Heidecke Fotografische oder kinematografische kamera mit einer einrichtung zum zuordnen und anzeigen von schaerfentiefenbereich und objektiveinstellwerten
US4149792A (en) * 1977-12-30 1979-04-17 Polaroid Corporation Misfocus prevention means for cameras having unidirectional automatic focusing
GB2013353B (en) * 1977-12-30 1982-05-19 Polaroid Corp Focus control system for variable focus lenses
DD136898A1 (de) * 1978-06-19 1979-08-01 Hans Jehmlich Schaltungsanordnung fuer photographische kameras
JPS5548737A (en) * 1978-10-02 1980-04-08 Konishiroku Photo Ind Co Ltd Photoelectrically focus detecting device mounted camera
US4178087A (en) * 1978-10-02 1979-12-11 Polaroid Corporation Autofocus movie camera having focus correction means

Also Published As

Publication number Publication date
CA1151929A (en) 1983-08-16
FR2477292A1 (fr) 1981-09-04
FR2477292B1 (enExample) 1984-04-27
GB2070794A (en) 1981-09-09
JPS56133722A (en) 1981-10-20
DE3107945A1 (de) 1981-12-24
GB2070794B (en) 1984-01-11

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