FR504767A - Indirect lighting system - Google Patents

Indirect lighting system

Info

Publication number
FR504767A
FR504767A FR504767A FR504767DA FR504767A FR 504767 A FR504767 A FR 504767A FR 504767 A FR504767 A FR 504767A FR 504767D A FR504767D A FR 504767DA FR 504767 A FR504767 A FR 504767A
Authority
FR
France
Prior art keywords
lighting system
indirect lighting
indirect
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
FR504767A
Other languages
French (fr)
Inventor
Jan Berthold Rozewski
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.)
JAN BERTHOLD ROZEWSKI
Original Assignee
JAN BERTHOLD ROZEWSKI
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 JAN BERTHOLD ROZEWSKI filed Critical JAN BERTHOLD ROZEWSKI
Application granted granted Critical
Publication of FR504767A publication Critical patent/FR504767A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR504767A 1918-10-14 1919-10-10 Indirect lighting system Expired FR504767A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL141018X 1918-10-14
NL150719X 1919-07-15
NL504767X 1919-08-28

Publications (1)

Publication Number Publication Date
FR504767A true FR504767A (en) 1920-07-16

Family

ID=27351259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR504767A Expired FR504767A (en) 1918-10-14 1919-10-10 Indirect lighting system

Country Status (1)

Country Link
FR (1) FR504767A (en)

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