DK173787D0 - Lavluminansgitter for belysningsarmaturer - Google Patents

Lavluminansgitter for belysningsarmaturer

Info

Publication number
DK173787D0
DK173787D0 DK173787A DK173787A DK173787D0 DK 173787 D0 DK173787 D0 DK 173787D0 DK 173787 A DK173787 A DK 173787A DK 173787 A DK173787 A DK 173787A DK 173787 D0 DK173787 D0 DK 173787D0
Authority
DK
Denmark
Prior art keywords
luminansgets
low
lighting fittings
fittings
lighting
Prior art date
Application number
DK173787A
Other languages
English (en)
Other versions
DK173787A (da
Inventor
Sven-Aage Willumsen
Steen Willumsen
Original Assignee
Willumsen Sven A
Steen Willumsen
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 Willumsen Sven A, Steen Willumsen filed Critical Willumsen Sven A
Priority to DK173787A priority Critical patent/DK173787A/da
Publication of DK173787D0 publication Critical patent/DK173787D0/da
Priority to PCT/DK1988/000061 priority patent/WO1988008102A1/en
Publication of DK173787A publication Critical patent/DK173787A/da

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
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
    • 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DK173787A 1987-04-06 1987-04-06 Lavluminansgitter for belysningsarmaturer DK173787A (da)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK173787A DK173787A (da) 1987-04-06 1987-04-06 Lavluminansgitter for belysningsarmaturer
PCT/DK1988/000061 WO1988008102A1 (en) 1987-04-06 1988-04-06 Low-luminance grid for lighting fittings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK173787A DK173787A (da) 1987-04-06 1987-04-06 Lavluminansgitter for belysningsarmaturer

Publications (2)

Publication Number Publication Date
DK173787D0 true DK173787D0 (da) 1987-04-06
DK173787A DK173787A (da) 1988-10-07

Family

ID=8107658

Family Applications (1)

Application Number Title Priority Date Filing Date
DK173787A DK173787A (da) 1987-04-06 1987-04-06 Lavluminansgitter for belysningsarmaturer

Country Status (2)

Country Link
DK (1) DK173787A (da)
WO (1) WO1988008102A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002063407A1 (en) * 2001-02-08 2002-08-15 Hermetic Light Aps A device for generating multi-coloured light and a control system for controlling the operation of such a device
EP1447618A1 (de) * 2003-02-17 2004-08-18 Optilux AG Decken- und Stehleuchte
EP3767164A1 (de) * 2019-07-19 2021-01-20 Thomas König Blendschutzeinrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104834A (en) * 1963-09-24 Plastic grid
US2996609A (en) * 1958-07-07 1961-08-15 Wilson Bertram Arnold Sheet panel
US3024355A (en) * 1959-12-07 1962-03-06 Willis L Lipscomb Curved, cellular light control panel
NL8120461A (nl) * 1980-12-03 1982-10-01 Willumsen Sven A Dubbel rooster voor gasontladingslampen.

Also Published As

Publication number Publication date
DK173787A (da) 1988-10-07
WO1988008102A1 (en) 1988-10-20

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)