FR1040272A - Diffusing grid for lighting devices - Google Patents

Diffusing grid for lighting devices

Info

Publication number
FR1040272A
FR1040272A FR1040272DA FR1040272A FR 1040272 A FR1040272 A FR 1040272A FR 1040272D A FR1040272D A FR 1040272DA FR 1040272 A FR1040272 A FR 1040272A
Authority
FR
France
Prior art keywords
lighting devices
diffusing grid
diffusing
grid
lighting
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
Fernand-Henri Caillot
Jean-Robert Caillot
Jean-Pierre Caillot
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 FR1040272A publication Critical patent/FR1040272A/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1040272D 1951-08-01 1951-08-01 Diffusing grid for lighting devices Expired FR1040272A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1040272T 1951-08-01

Publications (1)

Publication Number Publication Date
FR1040272A true FR1040272A (en) 1953-10-14

Family

ID=9588840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1040272D Expired FR1040272A (en) 1951-08-01 1951-08-01 Diffusing grid for lighting devices

Country Status (1)

Country Link
FR (1) FR1040272A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042493B (en) * 1955-07-27 1958-11-06 Siemens Ag Grid, especially for fluorescent lamps
US3024355A (en) * 1959-12-07 1962-03-06 Willis L Lipscomb Curved, cellular light control panel
US5057984A (en) * 1990-06-27 1991-10-15 K-S-H, Inc. Light weight lighting panel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042493B (en) * 1955-07-27 1958-11-06 Siemens Ag Grid, especially for fluorescent lamps
US3024355A (en) * 1959-12-07 1962-03-06 Willis L Lipscomb Curved, cellular light control panel
US5057984A (en) * 1990-06-27 1991-10-15 K-S-H, Inc. Light weight lighting panel

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