FR1448734A - Optics with prismatic elements used to diffuse light - Google Patents

Optics with prismatic elements used to diffuse light

Info

Publication number
FR1448734A
FR1448734A FR963236A FR963236A FR1448734A FR 1448734 A FR1448734 A FR 1448734A FR 963236 A FR963236 A FR 963236A FR 963236 A FR963236 A FR 963236A FR 1448734 A FR1448734 A FR 1448734A
Authority
FR
France
Prior art keywords
optics
elements used
diffuse light
prismatic elements
prismatic
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
FR963236A
Other languages
French (fr)
Inventor
Kurt Franck
Dale E Welty
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
Priority to FR963236A priority Critical patent/FR1448734A/en
Application granted granted Critical
Publication of FR1448734A publication Critical patent/FR1448734A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR963236A 1964-02-10 1964-02-10 Optics with prismatic elements used to diffuse light Expired FR1448734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR963236A FR1448734A (en) 1964-02-10 1964-02-10 Optics with prismatic elements used to diffuse light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR963236A FR1448734A (en) 1964-02-10 1964-02-10 Optics with prismatic elements used to diffuse light

Publications (1)

Publication Number Publication Date
FR1448734A true FR1448734A (en) 1966-03-18

Family

ID=8822807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR963236A Expired FR1448734A (en) 1964-02-10 1964-02-10 Optics with prismatic elements used to diffuse light

Country Status (1)

Country Link
FR (1) FR1448734A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178019A1 (en) * 1984-10-09 1986-04-16 Koninklijke Philips Electronics N.V. Illumination unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178019A1 (en) * 1984-10-09 1986-04-16 Koninklijke Philips Electronics N.V. Illumination unit

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