CH580824A5 - - Google Patents

Info

Publication number
CH580824A5
CH580824A5 CH248275A CH248275A CH580824A5 CH 580824 A5 CH580824 A5 CH 580824A5 CH 248275 A CH248275 A CH 248275A CH 248275 A CH248275 A CH 248275A CH 580824 A5 CH580824 A5 CH 580824A5
Authority
CH
Switzerland
Application number
CH248275A
Original Assignee
Agfa Gevaert Ag
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 Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Publication of CH580824A5 publication Critical patent/CH580824A5/xx

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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
CH248275A 1974-03-06 1975-02-27 CH580824A5 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2410681A DE2410681A1 (de) 1974-03-06 1974-03-06 Automatische fokussiervorrichtung

Publications (1)

Publication Number Publication Date
CH580824A5 true CH580824A5 (cs) 1976-10-15

Family

ID=5909246

Family Applications (1)

Application Number Title Priority Date Filing Date
CH248275A CH580824A5 (cs) 1974-03-06 1975-02-27

Country Status (5)

Country Link
US (1) US3988747A (cs)
JP (1) JPS572967Y2 (cs)
AT (1) AT353095B (cs)
CH (1) CH580824A5 (cs)
DE (1) DE2410681A1 (cs)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51142318A (en) * 1975-05-20 1976-12-07 Asahi Optical Co Ltd Focus adjusting device for optical systems
JPS5616574Y2 (cs) * 1976-03-30 1981-04-17
JPS53123125A (en) * 1977-04-04 1978-10-27 Fuji Photo Film Co Ltd Focal point detecting device
US4152060A (en) * 1977-08-10 1979-05-01 Polaroid Corporation Epicyclic electromechanically actuated lens drive
DE2746920A1 (de) 1977-10-19 1979-04-26 Agfa Gevaert Ag Kamera mit einer entfernungsmessvorrichtung
DE2815150A1 (de) * 1978-04-07 1979-10-18 Agfa Gevaert Ag Fokussiervorrichtung fuer fotografische oder kinematografische kameras
JPS54140532A (en) 1978-04-23 1979-10-31 Canon Inc Automatic focus adjustor
JPS5553304A (en) * 1978-10-16 1980-04-18 Olympus Optical Co Ltd Focus detector
GB2027881B (en) * 1978-07-19 1983-04-27 Universal Pioneer Corp In-focus detecting device
DE2832044A1 (de) * 1978-07-21 1980-01-31 Agfa Gevaert Ag Fokussiervorrichtung fuer fotografische oder kinematografische kameras
US4357083A (en) * 1980-10-06 1982-11-02 Polaroid Corporation Method and apparatus using weighted range signal for controlling photographic functions
US4502773A (en) * 1983-01-31 1985-03-05 Polaroid Corporation Two zone infrared ranging system
DE3325042A1 (de) * 1983-07-12 1984-02-23 Kodak Ag, 7000 Stuttgart Selbstfokussiervorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610934A (en) * 1969-08-22 1971-10-05 Century Geophysical Corp Automatic focusing system utilizing means for alternately directing light over two paths having slightly different lengths
JPS5625648B2 (cs) * 1973-04-11 1981-06-13
US3860935A (en) * 1973-12-19 1975-01-14 Honeywell Inc Auto focus camera

Also Published As

Publication number Publication date
DE2410681A1 (de) 1975-09-11
ATA89575A (de) 1979-03-15
US3988747A (en) 1976-10-26
JPS572967Y2 (cs) 1982-01-19
JPS5193238U (cs) 1976-07-26
AT353095B (de) 1979-10-25

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased