FR797223A - Dispositif réflecteur catadioptrique - Google Patents

Dispositif réflecteur catadioptrique

Info

Publication number
FR797223A
FR797223A FR797223DA FR797223A FR 797223 A FR797223 A FR 797223A FR 797223D A FR797223D A FR 797223DA FR 797223 A FR797223 A FR 797223A
Authority
FR
France
Prior art keywords
reflector device
catadioptric reflector
catadioptric
reflector
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
Edmond Fontayne
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 FR797223A publication Critical patent/FR797223A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR797223D 1935-01-26 1935-01-26 Dispositif réflecteur catadioptrique Expired FR797223A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR797223T 1935-01-26

Publications (1)

Publication Number Publication Date
FR797223A true FR797223A (fr) 1936-04-23

Family

ID=9235584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR797223D Expired FR797223A (fr) 1935-01-26 1935-01-26 Dispositif réflecteur catadioptrique

Country Status (1)

Country Link
FR (1) FR797223A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0240182A2 (fr) * 1986-04-02 1987-10-07 Minnesota Mining And Manufacturing Company Lentille

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0240182A2 (fr) * 1986-04-02 1987-10-07 Minnesota Mining And Manufacturing Company Lentille
EP0240182A3 (fr) * 1986-04-02 1990-05-09 Minnesota Mining And Manufacturing Company Lentille

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