DK122181A - ELECTRICAL LIGHTING UNIT - Google Patents

ELECTRICAL LIGHTING UNIT

Info

Publication number
DK122181A
DK122181A DK122181A DK122181A DK122181A DK 122181 A DK122181 A DK 122181A DK 122181 A DK122181 A DK 122181A DK 122181 A DK122181 A DK 122181A DK 122181 A DK122181 A DK 122181A
Authority
DK
Denmark
Prior art keywords
lighting unit
electrical lighting
electrical
unit
lighting
Prior art date
Application number
DK122181A
Other languages
Danish (da)
Inventor
D Hacking
D Richmond
Original Assignee
Ashworth & Co T
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 Ashworth & Co T filed Critical Ashworth & Co T
Publication of DK122181A publication Critical patent/DK122181A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/022—Emergency lighting devices
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DK122181A 1980-03-19 1981-03-18 ELECTRICAL LIGHTING UNIT DK122181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8009210 1980-03-19

Publications (1)

Publication Number Publication Date
DK122181A true DK122181A (en) 1981-09-20

Family

ID=10512194

Family Applications (1)

Application Number Title Priority Date Filing Date
DK122181A DK122181A (en) 1980-03-19 1981-03-18 ELECTRICAL LIGHTING UNIT

Country Status (2)

Country Link
EP (1) EP0038616A1 (en)
DK (1) DK122181A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4445164C2 (en) * 1994-12-17 2002-03-07 Ceag Sicherheitstechnik Gmbh Safety and escape sign luminaire
DE19529750B4 (en) * 1995-08-12 2012-01-19 Ceag Notlichtsysteme Gmbh Emergency light with conventional ballast
GB0110503D0 (en) * 2001-04-30 2001-06-20 J & G Coughtrie Ltd Improved light fitting
JP6485509B2 (en) * 2017-09-04 2019-03-20 三菱電機株式会社 lighting equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2268731A (en) * 1940-12-14 1942-01-06 Gotham Pressed Steel Corp Lighting fixture
US3012090A (en) * 1958-02-21 1961-12-05 William W Robbins Utility fixture
GB916156A (en) * 1960-11-16 1963-01-23 Ass Elect Ind Improvements in fluorescent lighting fittings
US3986019A (en) * 1975-05-01 1976-10-12 Gte Sylvania Incorporated Lighting fixture

Also Published As

Publication number Publication date
EP0038616A1 (en) 1981-10-28

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