FR1508612A - Method and device for automatic focusing of optical systems - Google Patents

Method and device for automatic focusing of optical systems

Info

Publication number
FR1508612A
FR1508612A FR91704A FR91704A FR1508612A FR 1508612 A FR1508612 A FR 1508612A FR 91704 A FR91704 A FR 91704A FR 91704 A FR91704 A FR 91704A FR 1508612 A FR1508612 A FR 1508612A
Authority
FR
France
Prior art keywords
optical systems
automatic focusing
focusing
automatic
optical
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
FR91704A
Other languages
French (fr)
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.)
Jos Schneider Optische Werke GmbH
Original Assignee
Jos Schneider Optische Werke GmbH
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 Jos Schneider Optische Werke GmbH filed Critical Jos Schneider Optische Werke GmbH
Application granted granted Critical
Publication of FR1508612A publication Critical patent/FR1508612A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/40—Optical focusing aids
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Measurement Of Optical Distance (AREA)
  • Optical Couplings Of Light Guides (AREA)
FR91704A 1966-01-22 1967-01-19 Method and device for automatic focusing of optical systems Expired FR1508612A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH38367A DE1279374B (en) 1966-01-22 1966-01-22 Method and device for the automatic focusing of optical systems

Publications (1)

Publication Number Publication Date
FR1508612A true FR1508612A (en) 1968-01-05

Family

ID=7434673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR91704A Expired FR1508612A (en) 1966-01-22 1967-01-19 Method and device for automatic focusing of optical systems

Country Status (5)

Country Link
AT (2) AT286777B (en)
CH (1) CH449295A (en)
DE (1) DE1279374B (en)
FR (1) FR1508612A (en)
GB (1) GB1170438A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015107474B4 (en) * 2015-05-12 2019-03-14 Bundesdruckerei Gmbh Method for determining an individual sharpness of an image of an iris and method for person examination

Also Published As

Publication number Publication date
DE1279374B (en) 1968-10-03
GB1170438A (en) 1969-11-12
CH449295A (en) 1967-12-31
AT286777B (en) 1970-12-28
AT293865B (en) 1971-10-25

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