FR991246A - Improvements to reflectors - Google Patents

Improvements to reflectors

Info

Publication number
FR991246A
FR991246A FR991246DA FR991246A FR 991246 A FR991246 A FR 991246A FR 991246D A FR991246D A FR 991246DA FR 991246 A FR991246 A FR 991246A
Authority
FR
France
Prior art keywords
reflectors
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
Auguste Vocanson
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 FR991246A publication Critical patent/FR991246A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR991246D 1949-05-13 1949-05-13 Improvements to reflectors Expired FR991246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR991246T 1949-05-13

Publications (1)

Publication Number Publication Date
FR991246A true FR991246A (en) 1951-10-03

Family

ID=9550630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR991246D Expired FR991246A (en) 1949-05-13 1949-05-13 Improvements to reflectors

Country Status (1)

Country Link
FR (1) FR991246A (en)

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