FR475881A - Manufacturing process of cylindrical lenses - Google Patents

Manufacturing process of cylindrical lenses

Info

Publication number
FR475881A
FR475881A FR475881DA FR475881A FR 475881 A FR475881 A FR 475881A FR 475881D A FR475881D A FR 475881DA FR 475881 A FR475881 A FR 475881A
Authority
FR
France
Prior art keywords
manufacturing process
cylindrical lenses
lenses
cylindrical
manufacturing
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
Desire-Philogene Decaix
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR475881A publication Critical patent/FR475881A/en
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
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR475881D 1914-03-23 1914-03-23 Manufacturing process of cylindrical lenses Expired FR475881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR475881T 1914-03-23

Publications (1)

Publication Number Publication Date
FR475881A true FR475881A (en) 1915-06-21

Family

ID=1513724

Family Applications (1)

Application Number Title Priority Date Filing Date
FR475881D Expired FR475881A (en) 1914-03-23 1914-03-23 Manufacturing process of cylindrical lenses

Country Status (1)

Country Link
FR (1) FR475881A (en)

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