LU57776A1 - - Google Patents

Info

Publication number
LU57776A1
LU57776A1 LU57776DA LU57776A1 LU 57776 A1 LU57776 A1 LU 57776A1 LU 57776D A LU57776D A LU 57776DA LU 57776 A1 LU57776 A1 LU 57776A1
Authority
LU
Luxembourg
Application number
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 LU57776A1 publication Critical patent/LU57776A1/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/048—Optical design with facets structure
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/06—Optical design with parabolic curvature

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Battery Mounting, Suspending (AREA)
LU57776D 1969-01-14 1969-01-14 LU57776A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU57776 1969-01-14

Publications (1)

Publication Number Publication Date
LU57776A1 true LU57776A1 (enrdf_load_stackoverflow) 1970-01-15

Family

ID=19725871

Family Applications (1)

Application Number Title Priority Date Filing Date
LU57776D LU57776A1 (enrdf_load_stackoverflow) 1969-01-14 1969-01-14

Country Status (11)

Country Link
JP (1) JPS4936596B1 (enrdf_load_stackoverflow)
AT (2) AT299378B (enrdf_load_stackoverflow)
CH (1) CH516119A (enrdf_load_stackoverflow)
CS (1) CS163200B2 (enrdf_load_stackoverflow)
DE (1) DE1963234B2 (enrdf_load_stackoverflow)
ES (1) ES184328Y (enrdf_load_stackoverflow)
FR (1) FR2028282A1 (enrdf_load_stackoverflow)
GB (1) GB1292582A (enrdf_load_stackoverflow)
LU (1) LU57776A1 (enrdf_load_stackoverflow)
PL (1) PL69856B1 (enrdf_load_stackoverflow)
YU (1) YU33497B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833299A1 (de) * 1978-07-28 1980-02-14 Patra Patent Treuhand Leuchte
DE3523005A1 (de) * 1985-06-27 1987-01-08 Sassmannshausen Knut Flachtaschenlampe mit einem hohlspiegelreflektor und nebeneinander angeordneten zellen zur stromversorgung
GB2402002A (en) * 2003-05-21 2004-11-24 James Patrick Greene Self charging torch

Also Published As

Publication number Publication date
YU5670A (en) 1976-10-31
PL69856B1 (enrdf_load_stackoverflow) 1973-10-31
ES184328Y (es) 1974-06-01
AT300120B (de) 1972-06-15
JPS4936596B1 (enrdf_load_stackoverflow) 1974-10-02
DE1963234A1 (de) 1970-07-16
FR2028282A1 (enrdf_load_stackoverflow) 1970-10-09
ES184328U (es) 1973-10-16
GB1292582A (en) 1972-10-11
AT299378B (de) 1972-06-12
YU33497B (en) 1977-04-30
DE1963234B2 (de) 1972-02-10
CH516119A (de) 1971-11-30
CS163200B2 (enrdf_load_stackoverflow) 1975-08-29

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