GB8924428D0 - Light fixtures - Google Patents

Light fixtures

Info

Publication number
GB8924428D0
GB8924428D0 GB898924428A GB8924428A GB8924428D0 GB 8924428 D0 GB8924428 D0 GB 8924428D0 GB 898924428 A GB898924428 A GB 898924428A GB 8924428 A GB8924428 A GB 8924428A GB 8924428 D0 GB8924428 D0 GB 8924428D0
Authority
GB
United Kingdom
Prior art keywords
light fixtures
fixtures
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.)
Granted
Application number
GB898924428A
Other versions
GB2245696A (en
GB2245696B (en
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.)
LYSTEKNISK LAB
Original Assignee
LYSTEKNISK LAB
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 LYSTEKNISK LAB filed Critical LYSTEKNISK LAB
Publication of GB8924428D0 publication Critical patent/GB8924428D0/en
Publication of GB2245696A publication Critical patent/GB2245696A/en
Application granted granted Critical
Publication of GB2245696B publication Critical patent/GB2245696B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
GB8924428A 1987-05-18 1988-05-17 Light fixtures Expired - Fee Related GB2245696B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK251387A DK160057C (en) 1987-05-18 1987-05-18 luminaire
PCT/DK1988/000079 WO1988009461A1 (en) 1987-05-18 1988-05-17 Light fixtures

Publications (3)

Publication Number Publication Date
GB8924428D0 true GB8924428D0 (en) 1990-08-01
GB2245696A GB2245696A (en) 1992-01-08
GB2245696B GB2245696B (en) 1992-03-25

Family

ID=8112909

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8924428A Expired - Fee Related GB2245696B (en) 1987-05-18 1988-05-17 Light fixtures

Country Status (6)

Country Link
AU (1) AU1932688A (en)
DE (1) DE3890413T1 (en)
DK (1) DK160057C (en)
GB (1) GB2245696B (en)
SE (1) SE462932B (en)
WO (1) WO1988009461A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE186601C1 (en) * 1963-01-01
DE888831C (en) * 1951-02-18 1953-09-03 Franz Zwick Screen grids for light sources
DE1622846A1 (en) * 1967-03-29 1970-11-26 Elek Ska Ab Exaktor Asymmetrical lighting screen
DE3002137C2 (en) * 1980-01-22 1982-02-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Luminaire grid
FR2554549B1 (en) * 1983-11-03 1988-03-11 Sabir ANTI-GLARE DEVICE FOR LUMINAIRES WITH LINEAR SOURCES

Also Published As

Publication number Publication date
WO1988009461A1 (en) 1988-12-01
SE8903860L (en) 1989-11-17
GB2245696A (en) 1992-01-08
DK160057B (en) 1991-01-21
SE462932B (en) 1990-09-17
DK160057C (en) 1991-06-10
SE8903860D0 (en) 1989-11-17
DE3890413T1 (en) 1997-07-31
GB2245696B (en) 1992-03-25
DK251387D0 (en) 1987-05-18
AU1932688A (en) 1988-12-21
DK251387A (en) 1988-11-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960517