CA1122456A - Auto/manual focus control mode selector - Google Patents

Auto/manual focus control mode selector

Info

Publication number
CA1122456A
CA1122456A CA325,971A CA325971A CA1122456A CA 1122456 A CA1122456 A CA 1122456A CA 325971 A CA325971 A CA 325971A CA 1122456 A CA1122456 A CA 1122456A
Authority
CA
Canada
Prior art keywords
lens
state
camera
responsive
range
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
CA325,971A
Other languages
English (en)
French (fr)
Inventor
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
Application granted granted Critical
Publication of CA1122456A publication Critical patent/CA1122456A/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)
  • Automatic Focus Adjustment (AREA)
  • Lens Barrels (AREA)
  • Shutters For Cameras (AREA)
CA325,971A 1978-04-25 1979-04-20 Auto/manual focus control mode selector Expired CA1122456A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89986378A 1978-04-25 1978-04-25
US899,863 1978-04-25

Publications (1)

Publication Number Publication Date
CA1122456A true CA1122456A (en) 1982-04-27

Family

ID=25411664

Family Applications (1)

Application Number Title Priority Date Filing Date
CA325,971A Expired CA1122456A (en) 1978-04-25 1979-04-20 Auto/manual focus control mode selector

Country Status (9)

Country Link
JP (1) JPS54149655A (enrdf_load_stackoverflow)
AT (1) AT373083B (enrdf_load_stackoverflow)
AU (1) AU527724B2 (enrdf_load_stackoverflow)
CA (1) CA1122456A (enrdf_load_stackoverflow)
CH (1) CH654422A5 (enrdf_load_stackoverflow)
DE (1) DE2916570A1 (enrdf_load_stackoverflow)
FR (1) FR2424559A1 (enrdf_load_stackoverflow)
GB (1) GB2019590B (enrdf_load_stackoverflow)
IE (1) IE48131B1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58166629U (ja) * 1982-04-30 1983-11-07 オリンパス光学工業株式会社 合焦検出カメラ

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

Also Published As

Publication number Publication date
CH654422A5 (de) 1986-02-14
JPS54149655A (en) 1979-11-24
IE48131B1 (en) 1984-10-03
AU4628079A (en) 1979-11-01
DE2916570C2 (enrdf_load_stackoverflow) 1988-05-11
FR2424559B1 (enrdf_load_stackoverflow) 1984-04-27
AU527724B2 (en) 1983-03-17
ATA310079A (de) 1983-04-15
GB2019590A (en) 1979-10-31
IE790797L (en) 1979-10-25
GB2019590B (en) 1982-07-28
DE2916570A1 (de) 1979-10-31
FR2424559A1 (fr) 1979-11-23
AT373083B (de) 1983-12-12

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Legal Events

Date Code Title Description
MKEX Expiry