FR552304A - Light tube - Google Patents

Light tube

Info

Publication number
FR552304A
FR552304A FR552304DA FR552304A FR 552304 A FR552304 A FR 552304A FR 552304D A FR552304D A FR 552304DA FR 552304 A FR552304 A FR 552304A
Authority
FR
France
Prior art keywords
light tube
tube
light
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
Giogondo Toffano
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 FR552304A publication Critical patent/FR552304A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR552304D 1922-05-27 1922-05-27 Light tube Expired FR552304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR552304T 1922-05-27

Publications (1)

Publication Number Publication Date
FR552304A true FR552304A (en) 1923-04-28

Family

ID=8937488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR552304D Expired FR552304A (en) 1922-05-27 1922-05-27 Light tube

Country Status (1)

Country Link
FR (1) FR552304A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306462A1 (en) * 1975-04-01 1976-10-29 Xerox Corp ILLUMINATION DEVICE, FOR DOCUMENT REPRODUCTION MACHINES IN PARTICULAR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306462A1 (en) * 1975-04-01 1976-10-29 Xerox Corp ILLUMINATION DEVICE, FOR DOCUMENT REPRODUCTION MACHINES IN PARTICULAR

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