BE776750A - U-SHAPED GAS DISCHARGE LAMP UNIT - Google Patents

U-SHAPED GAS DISCHARGE LAMP UNIT

Info

Publication number
BE776750A
BE776750A BE776750A BE776750A BE776750A BE 776750 A BE776750 A BE 776750A BE 776750 A BE776750 A BE 776750A BE 776750 A BE776750 A BE 776750A BE 776750 A BE776750 A BE 776750A
Authority
BE
Belgium
Prior art keywords
discharge lamp
gas discharge
lamp unit
shaped gas
shaped
Prior art date
Application number
BE776750A
Other languages
French (fr)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE776750A publication Critical patent/BE776750A/en

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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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)
BE776750A 1970-12-17 1971-12-15 U-SHAPED GAS DISCHARGE LAMP UNIT BE776750A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7018379.A NL158911B (en) 1970-12-17 1970-12-17 ROAD LIGHTING LUMINAIRE FOR A U-SHAPED GAS DISCHARGE LAMP.

Publications (1)

Publication Number Publication Date
BE776750A true BE776750A (en) 1972-06-15

Family

ID=19811819

Family Applications (1)

Application Number Title Priority Date Filing Date
BE776750A BE776750A (en) 1970-12-17 1971-12-15 U-SHAPED GAS DISCHARGE LAMP UNIT

Country Status (8)

Country Link
US (1) US3775605A (en)
BE (1) BE776750A (en)
CA (1) CA985245A (en)
DE (1) DE2159581B2 (en)
FR (1) FR2118751A5 (en)
GB (1) GB1337330A (en)
IT (1) IT943965B (en)
NL (1) NL158911B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825341A (en) * 1987-11-17 1989-04-25 Fiberstars, Inc. Cooled lighting apparatus and method
DE4443741A1 (en) * 1994-12-08 1996-06-13 Hartmut S Engel lamp
US6923554B2 (en) * 2003-02-17 2005-08-02 Heng Sheng Kuo Backlight module
TWI336386B (en) * 2008-03-07 2011-01-21 Ind Tech Res Inst Illumination device
US8162504B2 (en) * 2009-04-15 2012-04-24 Sharp Kabushiki Kaisha Reflector and system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2366216A (en) * 1942-02-14 1945-01-02 Dorsey Spencer H Shield for mercury vapor lamps
US2878369A (en) * 1954-04-29 1959-03-17 Philips Corp Lighting fixture
US2882389A (en) * 1954-06-30 1959-04-14 Philips Corp Lighting fitting for road illumination

Also Published As

Publication number Publication date
FR2118751A5 (en) 1972-07-28
US3775605A (en) 1973-11-27
GB1337330A (en) 1973-11-14
NL158911B (en) 1978-12-15
DE2159581B2 (en) 1977-05-12
NL7018379A (en) 1972-06-20
CA985245A (en) 1976-03-09
DE2159581A1 (en) 1972-07-13
IT943965B (en) 1973-04-10

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