FR68435E - Optical or electro-optical image autofocus system - Google Patents

Optical or electro-optical image autofocus system

Info

Publication number
FR68435E
FR68435E FR68435DA FR68435E FR 68435 E FR68435 E FR 68435E FR 68435D A FR68435D A FR 68435DA FR 68435 E FR68435 E FR 68435E
Authority
FR
France
Prior art keywords
optical
electro
autofocus system
image autofocus
optical image
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
Other languages
French (fr)
Inventor
Richard K Orthuber
Lee R Ullery
Charles V Stanley
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR68435E publication Critical patent/FR68435E/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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0988—Diaphragms, spatial filters, masks for removing or filtering a part of the beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR68435D 1955-02-10 1955-02-10 Optical or electro-optical image autofocus system Expired FR68435E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR68435T 1955-02-10

Publications (1)

Publication Number Publication Date
FR68435E true FR68435E (en) 1958-04-30

Family

ID=8700480

Family Applications (1)

Application Number Title Priority Date Filing Date
FR68435D Expired FR68435E (en) 1955-02-10 1955-02-10 Optical or electro-optical image autofocus system

Country Status (1)

Country Link
FR (1) FR68435E (en)

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