IT943965B - Accessorio per illuminazione parti colarmente per due sorgenti di luce allungate - Google Patents

Accessorio per illuminazione parti colarmente per due sorgenti di luce allungate

Info

Publication number
IT943965B
IT943965B IT32398/71A IT3239871A IT943965B IT 943965 B IT943965 B IT 943965B IT 32398/71 A IT32398/71 A IT 32398/71A IT 3239871 A IT3239871 A IT 3239871A IT 943965 B IT943965 B IT 943965B
Authority
IT
Italy
Prior art keywords
colarly
accessory
light sources
elongated light
illumination parts
Prior art date
Application number
IT32398/71A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT943965B publication Critical patent/IT943965B/it

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)
IT32398/71A 1970-12-17 1971-12-14 Accessorio per illuminazione parti colarmente per due sorgenti di luce allungate IT943965B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7018379.A NL158911B (nl) 1970-12-17 1970-12-17 Wegverlichtingsarmatuur voor een u-vormige gasontladingslamp.

Publications (1)

Publication Number Publication Date
IT943965B true IT943965B (it) 1973-04-10

Family

ID=19811819

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32398/71A IT943965B (it) 1970-12-17 1971-12-14 Accessorio per illuminazione parti colarmente per due sorgenti di luce allungate

Country Status (8)

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

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 (de) * 1994-12-08 1996-06-13 Hartmut S Engel Leuchte
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
CA985245A (en) 1976-03-09
BE776750A (fr) 1972-06-15
NL158911B (nl) 1978-12-15
US3775605A (en) 1973-11-27
GB1337330A (en) 1973-11-14
NL7018379A (fr) 1972-06-20
DE2159581A1 (de) 1972-07-13
FR2118751A5 (fr) 1972-07-28
DE2159581B2 (de) 1977-05-12

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