FR828107A - Perfectionnement aux collimateurs - Google Patents

Perfectionnement aux collimateurs

Info

Publication number
FR828107A
FR828107A FR828107DA FR828107A FR 828107 A FR828107 A FR 828107A FR 828107D A FR828107D A FR 828107DA FR 828107 A FR828107 A FR 828107A
Authority
FR
France
Prior art keywords
collimators
training
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
English (en)
Inventor
Charles Edouard Pierre Gourdou
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 filed Critical
Application granted granted Critical
Publication of FR828107A publication Critical patent/FR828107A/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)
FR828107D 1937-01-19 1937-01-19 Perfectionnement aux collimateurs Expired FR828107A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR828107T 1937-01-19

Publications (1)

Publication Number Publication Date
FR828107A true FR828107A (fr) 1938-05-11

Family

ID=9283586

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828107D Expired FR828107A (fr) 1937-01-19 1937-01-19 Perfectionnement aux collimateurs

Country Status (1)

Country Link
FR (1) FR828107A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2453697A (en) * 1944-03-17 1948-11-16 Lco H Brown Gun sight having a plurality of illuminated reticles
US2464209A (en) * 1944-03-17 1949-03-15 Leo H Brown Reflex sight with large exit pupil
US2473524A (en) * 1945-06-30 1949-06-21 Donald L Hibbard Lead estimation training reflex gun sight
US2584171A (en) * 1943-02-25 1952-02-05 Tousey Richard Gun sight having a plurality of illuminated reticles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2584171A (en) * 1943-02-25 1952-02-05 Tousey Richard Gun sight having a plurality of illuminated reticles
US2453697A (en) * 1944-03-17 1948-11-16 Lco H Brown Gun sight having a plurality of illuminated reticles
US2464209A (en) * 1944-03-17 1949-03-15 Leo H Brown Reflex sight with large exit pupil
US2473524A (en) * 1945-06-30 1949-06-21 Donald L Hibbard Lead estimation training reflex gun sight

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