JPS534754B2 - - Google Patents

Info

Publication number
JPS534754B2
JPS534754B2 JP4685373A JP4685373A JPS534754B2 JP S534754 B2 JPS534754 B2 JP S534754B2 JP 4685373 A JP4685373 A JP 4685373A JP 4685373 A JP4685373 A JP 4685373A JP S534754 B2 JPS534754 B2 JP S534754B2
Authority
JP
Japan
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.)
Expired
Application number
JP4685373A
Other languages
Japanese (ja)
Other versions
JPS4948181A (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS4948181A publication Critical patent/JPS4948181A/ja
Publication of JPS534754B2 publication Critical patent/JPS534754B2/ja
Expired 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP4685373A 1972-05-03 1973-04-26 Expired JPS534754B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2049672A GB1401294A (en) 1972-05-03 1972-05-03 Luminaires

Publications (2)

Publication Number Publication Date
JPS4948181A JPS4948181A (enrdf_load_stackoverflow) 1974-05-10
JPS534754B2 true JPS534754B2 (enrdf_load_stackoverflow) 1978-02-20

Family

ID=10146844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4685373A Expired JPS534754B2 (enrdf_load_stackoverflow) 1972-05-03 1973-04-26

Country Status (2)

Country Link
JP (1) JPS534754B2 (enrdf_load_stackoverflow)
GB (1) GB1401294A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5070778U (enrdf_load_stackoverflow) * 1973-10-31 1975-06-23
JPS5835865B2 (ja) * 1974-12-07 1983-08-05 旭ダウ株式会社 シンキレンゾクセイケイコウゾウタイナラビニ ソノセイゾウホウ
DE3408893A1 (de) * 1984-03-10 1985-09-12 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Leuchtengehaeuse

Also Published As

Publication number Publication date
JPS4948181A (enrdf_load_stackoverflow) 1974-05-10
GB1401294A (en) 1975-07-16

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