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FI822660A0 - Dubbelgaller foer enheter av fluorescerande lampor - Google Patents

Dubbelgaller foer enheter av fluorescerande lampor

Info

Publication number
FI822660A0
FI822660A0 FI822660A FI822660A FI822660A0 FI 822660 A0 FI822660 A0 FI 822660A0 FI 822660 A FI822660 A FI 822660A FI 822660 A FI822660 A FI 822660A FI 822660 A0 FI822660 A0 FI 822660A0
Authority
FI
Finland
Prior art keywords
fluorescerande
lampor
encloser
gallery
double
Prior art date
Application number
FI822660A
Other languages
English (en)
Other versions
FI69353B (fi
FI822660L (fi
FI69353C (fi
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
Priority claimed from DK515880A external-priority patent/DK155760C/da
Priority claimed from DK157181A external-priority patent/DK156847C/da
Application filed by Willumsen Sven A, Steen Willumsen filed Critical Willumsen Sven A
Publication of FI822660L publication Critical patent/FI822660L/fi
Publication of FI822660A0 publication Critical patent/FI822660A0/fi
Publication of FI69353B publication Critical patent/FI69353B/fi
Application granted granted Critical
Publication of FI69353C publication Critical patent/FI69353C/fi

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)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Grates (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FI822660A 1980-12-03 1982-07-30 Blaendskydd foer tak- eller vaeggilluminering FI69353C (fi)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DK515880A DK155760C (da) 1980-12-03 1980-12-03 Kombinationsgitter for belysningsarmaturer
DK515880 1980-12-03
DK157181A DK156847C (da) 1981-04-07 1981-04-07 Gitter til belysningsarmatur
DK157181 1981-04-07
DK8100111 1981-12-02
PCT/DK1981/000111 WO1982001930A1 (en) 1980-12-03 1981-12-02 A double grid for fluorescent lamp units

Publications (4)

Publication Number Publication Date
FI822660L FI822660L (fi) 1982-07-30
FI822660A0 true FI822660A0 (fi) 1982-07-30
FI69353B FI69353B (fi) 1985-09-30
FI69353C FI69353C (fi) 1986-01-10

Family

ID=26065912

Family Applications (1)

Application Number Title Priority Date Filing Date
FI822660A FI69353C (fi) 1980-12-03 1982-07-30 Blaendskydd foer tak- eller vaeggilluminering

Country Status (6)

Country Link
EP (1) EP0065968A1 (fi)
FI (1) FI69353C (fi)
GB (1) GB2103778B (fi)
NL (1) NL8120461A (fi)
SE (1) SE451091B (fi)
WO (1) WO1982001930A1 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK173787A (da) * 1987-04-06 1988-10-07 Willumsen Sven A Lavluminansgitter for belysningsarmaturer
DE102005003898A1 (de) † 2005-01-27 2006-08-03 Wacker Chemie Ag Kontinuierliches Verfahren zur Herstellung SiOC-enthaltender Verbindungen
WO2007066260A1 (en) 2005-12-07 2007-06-14 Koninklijke Philips Electronics N.V. A lighting module

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506951A (en) * 1945-11-05 1950-05-09 Leroy C Doane Foraminous sheet material and luminaire made therefrom
US2904673A (en) * 1957-02-13 1959-09-15 Sr Edwin F Guth Light diffusors for illuminating devices
FR1195541A (fr) * 1958-05-02 1959-11-18 Perfectionnements apportés aux dispositifs d'écrans
US2996609A (en) * 1958-07-07 1961-08-15 Wilson Bertram Arnold Sheet panel
US2971083A (en) * 1958-11-14 1961-02-07 Gen Electric Low brightness louver
US3024355A (en) * 1959-12-07 1962-03-06 Willis L Lipscomb Curved, cellular light control panel
US3413460A (en) * 1964-12-28 1968-11-26 Sjolander Karl Lennart Ingemar Optical anti-dazzling device
FR1482572A (fr) * 1966-05-26 1967-05-26 Perfectionnements aux dispositifs d'éclairage électrique d'enceintes expérimentales

Also Published As

Publication number Publication date
GB2103778B (en) 1984-09-26
FI69353B (fi) 1985-09-30
SE8204544L (sv) 1982-08-02
SE8204544D0 (sv) 1982-08-02
WO1982001930A1 (en) 1982-06-10
FI822660L (fi) 1982-07-30
SE451091B (sv) 1987-08-31
GB2103778A (en) 1983-02-23
FI69353C (fi) 1986-01-10
EP0065968A1 (en) 1982-12-08
NL8120461A (nl) 1982-10-01

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: WILLUMSEN, SVEN-AAGE

Owner name: WILLUMSEN, STEEN