FR775225A - Device for lighting elongated diffusing surfaces - Google Patents

Device for lighting elongated diffusing surfaces

Info

Publication number
FR775225A
FR775225A FR775225DA FR775225A FR 775225 A FR775225 A FR 775225A FR 775225D A FR775225D A FR 775225DA FR 775225 A FR775225 A FR 775225A
Authority
FR
France
Prior art keywords
lighting
diffusing surfaces
elongated
elongated diffusing
lighting elongated
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.)
Holophane SAS
Original Assignee
Holophane SAS
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 Holophane SAS filed Critical Holophane SAS
Application granted granted Critical
Publication of FR775225A publication Critical patent/FR775225A/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)
FR775225D 1933-09-19 1933-09-19 Device for lighting elongated diffusing surfaces Expired FR775225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR775225T 1933-09-19

Publications (1)

Publication Number Publication Date
FR775225A true FR775225A (en) 1934-12-21

Family

ID=9200324

Family Applications (1)

Application Number Title Priority Date Filing Date
FR775225D Expired FR775225A (en) 1933-09-19 1933-09-19 Device for lighting elongated diffusing surfaces

Country Status (1)

Country Link
FR (1) FR775225A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0426433A2 (en) * 1989-10-30 1991-05-08 Minnesota Mining And Manufacturing Company Light fixture for externally illuminated sign
EP0515723A1 (en) * 1990-01-26 1992-12-02 Dimension Technologies, Inc. Illumination for transmissive displays

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0426433A2 (en) * 1989-10-30 1991-05-08 Minnesota Mining And Manufacturing Company Light fixture for externally illuminated sign
EP0426433A3 (en) * 1989-10-30 1991-08-28 Minnesota Mining And Manufacturing Company Light fixture for externally illuminated sign
EP0515723A1 (en) * 1990-01-26 1992-12-02 Dimension Technologies, Inc. Illumination for transmissive displays

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