CA1122454A - Auto/manual focus control inhibit/override - Google Patents

Auto/manual focus control inhibit/override

Info

Publication number
CA1122454A
CA1122454A CA310,815A CA310815A CA1122454A CA 1122454 A CA1122454 A CA 1122454A CA 310815 A CA310815 A CA 310815A CA 1122454 A CA1122454 A CA 1122454A
Authority
CA
Canada
Prior art keywords
cover
lens
focus
gear
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
CA310,815A
Other languages
English (en)
French (fr)
Inventor
John C. Ostrowski
Norman D. Staller
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
Application granted granted Critical
Publication of CA1122454A publication Critical patent/CA1122454A/en
Expired 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)
  • Automatic Focus Adjustment (AREA)
  • Shutters For Cameras (AREA)
CA310,815A 1977-10-03 1978-09-07 Auto/manual focus control inhibit/override Expired CA1122454A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83858177A 1977-10-03 1977-10-03
US838,581 1992-02-18

Publications (1)

Publication Number Publication Date
CA1122454A true CA1122454A (en) 1982-04-27

Family

ID=25277484

Family Applications (1)

Application Number Title Priority Date Filing Date
CA310,815A Expired CA1122454A (en) 1977-10-03 1978-09-07 Auto/manual focus control inhibit/override

Country Status (6)

Country Link
JP (1) JPS5461525A (enrdf_load_stackoverflow)
CA (1) CA1122454A (enrdf_load_stackoverflow)
DE (1) DE2842851B2 (enrdf_load_stackoverflow)
FR (1) FR2404868A1 (enrdf_load_stackoverflow)
GB (1) GB2005852B (enrdf_load_stackoverflow)
IE (1) IE47956B1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5573025A (en) * 1978-11-25 1980-06-02 Minolta Camera Co Ltd Changeover device of automatic-manual focus controllable lens-barrel
JPS5573026A (en) * 1978-11-25 1980-06-02 Minolta Camera Co Ltd Automatic-manual focus controllable lens-barrel
JPS5619033A (en) * 1979-07-25 1981-02-23 Canon Inc Automatic focus control unit
JPS5648620A (en) * 1979-09-28 1981-05-01 Nippon Seimitsu Kogyo Kk Automatic focus controlling mechanism of camera
JPS62201738U (enrdf_load_stackoverflow) * 1986-06-13 1987-12-23

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH400602A (de) * 1961-07-29 1965-10-15 Agfa Ag Objektiv mit veränderbarer Brennweite, mit einer Vorrichtung zur wahlweisen Brennweitenverstellung von Hand und durch einen Motor
US3522764A (en) * 1968-03-25 1970-08-04 Polaroid Corp Rangefinding and focusing system for photographic cameras and the like

Also Published As

Publication number Publication date
JPS5751084B2 (enrdf_load_stackoverflow) 1982-10-30
FR2404868B1 (enrdf_load_stackoverflow) 1984-08-10
DE2842851C3 (enrdf_load_stackoverflow) 1980-07-17
DE2842851A1 (de) 1979-04-05
IE781972L (en) 1979-04-03
JPS5461525A (en) 1979-05-17
GB2005852B (en) 1982-03-17
IE47956B1 (en) 1984-08-08
DE2842851B2 (de) 1979-10-31
GB2005852A (en) 1979-04-25
FR2404868A1 (fr) 1979-04-27

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Legal Events

Date Code Title Description
MKEX Expiry