FR1420997A - Viseur optique - Google Patents

Viseur optique

Info

Publication number
FR1420997A
FR1420997A FR2175A FR2175A FR1420997A FR 1420997 A FR1420997 A FR 1420997A FR 2175 A FR2175 A FR 2175A FR 2175 A FR2175 A FR 2175A FR 1420997 A FR1420997 A FR 1420997A
Authority
FR
France
Prior art keywords
optical viewfinder
viewfinder
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
FR2175A
Other languages
English (en)
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.)
Northrop Grumman Corp
Original Assignee
Northrop Grumman 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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Priority to FR2175A priority Critical patent/FR1420997A/fr
Application granted granted Critical
Publication of FR1420997A publication Critical patent/FR1420997A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR2175A 1965-01-15 1965-01-15 Viseur optique Expired FR1420997A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2175A FR1420997A (fr) 1965-01-15 1965-01-15 Viseur optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2175A FR1420997A (fr) 1965-01-15 1965-01-15 Viseur optique

Publications (1)

Publication Number Publication Date
FR1420997A true FR1420997A (fr) 1965-12-10

Family

ID=8568396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2175A Expired FR1420997A (fr) 1965-01-15 1965-01-15 Viseur optique

Country Status (1)

Country Link
FR (1) FR1420997A (fr)

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