FR1156505A - Diffusing lens - Google Patents

Diffusing lens

Info

Publication number
FR1156505A
FR1156505A FR1156505DA FR1156505A FR 1156505 A FR1156505 A FR 1156505A FR 1156505D A FR1156505D A FR 1156505DA FR 1156505 A FR1156505 A FR 1156505A
Authority
FR
France
Prior art keywords
diffusing lens
diffusing
lens
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)
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.)
Les Piles Wonder SA
Original Assignee
Les Piles Wonder SA
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 Les Piles Wonder SA filed Critical Les Piles Wonder SA
Application granted granted Critical
Publication of FR1156505A publication Critical patent/FR1156505A/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
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • 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
    • G02B3/06—Simple or compound lenses with non-spherical faces with cylindrical or toric faces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1156505D 1956-07-23 1956-07-23 Diffusing lens Expired FR1156505A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1156505T 1956-07-23

Publications (1)

Publication Number Publication Date
FR1156505A true FR1156505A (en) 1958-05-19

Family

ID=9650045

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1156505D Expired FR1156505A (en) 1956-07-23 1956-07-23 Diffusing lens

Country Status (1)

Country Link
FR (1) FR1156505A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164702B (en) * 1960-01-30 1964-03-05 Zeiss Ikon Ag Photoelectric receiver with upstream, adjustable iris diaphragm
DE3530326A1 (en) * 1985-08-24 1987-02-26 Hell Rudolf Dr Ing Gmbh INTEGRATING CONDENSER

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164702B (en) * 1960-01-30 1964-03-05 Zeiss Ikon Ag Photoelectric receiver with upstream, adjustable iris diaphragm
DE3530326A1 (en) * 1985-08-24 1987-02-26 Hell Rudolf Dr Ing Gmbh INTEGRATING CONDENSER
EP0219647A1 (en) * 1985-08-24 1987-04-29 DR.-ING. RUDOLF HELL GmbH Integrating optical condensor

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