JPS6219729B2 - - Google Patents

Info

Publication number
JPS6219729B2
JPS6219729B2 JP53164394A JP16439478A JPS6219729B2 JP S6219729 B2 JPS6219729 B2 JP S6219729B2 JP 53164394 A JP53164394 A JP 53164394A JP 16439478 A JP16439478 A JP 16439478A JP S6219729 B2 JPS6219729 B2 JP S6219729B2
Authority
JP
Japan
Prior art keywords
lens
region
focus
signal
switch
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
JP53164394A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54100720A (en
Inventor
Jeemusu Fureezaa Richaado
Chesutaa Osutorosukii Jon
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 JPS54100720A publication Critical patent/JPS54100720A/ja
Publication of JPS6219729B2 publication Critical patent/JPS6219729B2/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)
  • Lens Barrels (AREA)
  • Cameras In General (AREA)
  • Automatic Focus Adjustment (AREA)
JP16439478A 1977-12-30 1978-12-27 Automaticcmanual focus camera with spring drive unit Granted JPS54100720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/865,854 US4149792A (en) 1977-12-30 1977-12-30 Misfocus prevention means for cameras having unidirectional automatic focusing

Publications (2)

Publication Number Publication Date
JPS54100720A JPS54100720A (en) 1979-08-08
JPS6219729B2 true JPS6219729B2 (en, 2012) 1987-04-30

Family

ID=25346390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16439478A Granted JPS54100720A (en) 1977-12-30 1978-12-27 Automaticcmanual focus camera with spring drive unit

Country Status (10)

Country Link
US (1) US4149792A (en, 2012)
JP (1) JPS54100720A (en, 2012)
AT (1) AT373086B (en, 2012)
AU (1) AU526585B2 (en, 2012)
CA (1) CA1116001A (en, 2012)
CH (1) CH636974A5 (en, 2012)
DE (1) DE2856803A1 (en, 2012)
FR (1) FR2413679A1 (en, 2012)
GB (1) GB2012061B (en, 2012)
IE (1) IE47625B1 (en, 2012)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019671A1 (de) * 1974-05-17 1980-12-04 Canon Kk Kamera mit halbautomatischer scharfeinstellvorrichtung
US4188103A (en) * 1978-04-21 1980-02-12 Polaroid Corporation Range synchronized flash photographic apparatus and method for achieving optimum flash exposure
US4272174A (en) * 1978-11-25 1981-06-09 Minolta Camera Kabushiki Kaisha Automatic and manual focus control lens barrel structure
FR2477292A1 (fr) * 1980-03-03 1981-09-04 Polaroid Corp Systeme de mise au point pour appareil de prise de vues photographiques
JPS644084Y2 (en, 2012) * 1980-09-11 1989-02-02
US4291965A (en) * 1980-10-06 1981-09-29 Polaroid Corporation Apparatus for automatically selecting a preselected focal position for a lens system
US4420714A (en) * 1981-10-02 1983-12-13 Polaroid Corporation Apparatus for continuously incrementing an output member
JPS59125718A (ja) * 1983-01-06 1984-07-20 Canon Inc 複写装置
CA1267026A (en) * 1985-10-08 1990-03-27 Wai C. Wong Automatic focusing mechanism for camera
DE3745159B4 (de) * 1986-03-03 2006-05-04 Canon K.K. Einrichtung für eine Kamera und Kamera
US5752096A (en) * 1991-02-14 1998-05-12 Canon Kabushiki Kaisha Camera featuring a single drive source and a plurality of selectable drive transmission mechanisms
JP3324565B2 (ja) * 1999-05-27 2002-09-17 ミノルタ株式会社 レンズ駆動装置
US7598996B2 (en) * 2004-11-16 2009-10-06 Aptina Imaging Corporation System and method for focusing a digital camera

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1198667B (de) * 1962-04-04 1965-08-12 Voigtlaender Ag Photographische Kamera mit einem auf verschiedene Entfernungswerte einstellbaren Objektiv
US3442193A (en) * 1966-05-31 1969-05-06 Eastman Kodak Co Automatic focusing system
US3435744A (en) * 1966-05-31 1969-04-01 Eastman Kodak Co Automatic focusing system
US3443502A (en) * 1966-08-23 1969-05-13 Eastman Kodak Co Automatic focusing for cameras
US3522764A (en) * 1968-03-25 1970-08-04 Polaroid Corp Rangefinding and focusing system for photographic cameras and the like
US3618499A (en) * 1969-04-04 1971-11-09 Eastman Kodak Co Camera with coordinated aperture and focus adjustment means
DE2105288B2 (de) * 1970-02-14 1973-03-15 Kabushiki Kaisha Ricoh, Tokio Kamera mit automatischer scharfeinstellung
US3917395A (en) * 1973-06-28 1975-11-04 Honeywell Inc Control circuit for photographic apparatus
US4040065A (en) * 1976-01-14 1977-08-02 Addressograph Multigraph Corporation Photocomposer optical system with a negative collimating lens
US4080531A (en) * 1976-06-29 1978-03-21 Honeywell Inc. Single pass distance determining and automatic focusing apparatus with separately adjusted optical element
CA1099554A (en) * 1976-10-04 1981-04-21 Polaroid Corporation Automatic range finding and focussing camera

Also Published As

Publication number Publication date
JPS54100720A (en) 1979-08-08
AU4305979A (en) 1979-07-05
AT373086B (de) 1983-12-12
GB2012061B (en) 1982-06-09
DE2856803A1 (de) 1979-07-12
CA1116001A (en) 1982-01-12
GB2012061A (en) 1979-07-18
FR2413679A1 (fr) 1979-07-27
US4149792A (en) 1979-04-17
ATA1379A (de) 1983-04-15
FR2413679B1 (en, 2012) 1984-11-02
AU526585B2 (en) 1983-01-20
IE47625B1 (en) 1984-05-02
IE782564L (en) 1979-06-30
CH636974A5 (de) 1983-06-30

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