AT299378B - flashlight - Google Patents

flashlight

Info

Publication number
AT299378B
AT299378B AT25770A AT25770A AT299378B AT 299378 B AT299378 B AT 299378B AT 25770 A AT25770 A AT 25770A AT 25770 A AT25770 A AT 25770A AT 299378 B AT299378 B AT 299378B
Authority
AT
Austria
Prior art keywords
flashlight
Prior art date
Application number
AT25770A
Other languages
German (de)
Inventor
Claus Christian Cobarg
Reinhard Napierski
Original Assignee
Braun Ag
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 Braun Ag filed Critical Braun Ag
Application granted granted Critical
Publication of AT299378B publication Critical patent/AT299378B/en

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)
AT25770A 1969-01-14 1970-01-12 flashlight AT299378B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AT299378B true AT299378B (en) 1972-06-12

Family

ID=19725871

Family Applications (2)

Application Number Title Priority Date Filing Date
AT25770A AT299378B (en) 1969-01-14 1970-01-12 flashlight
AT00508/71A AT300120B (en) 1969-01-14 1970-01-12 FLASHLIGHT

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT00508/71A AT300120B (en) 1969-01-14 1970-01-12 FLASHLIGHT

Country Status (11)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833299A1 (en) * 1978-07-28 1980-02-14 Patra Patent Treuhand Motor vehicle headlight, hand-held signalling lamp, etc. - comprises halogen bulb and reflector inside opaque nylon casting composed of cover, middle part and bottom
DE3523005A1 (en) * 1985-06-27 1987-01-08 Sassmannshausen Knut Flat pocket lamp having a concave mirror reflector and cells arranged juxtaposed for the purpose of power supply
GB2402002A (en) * 2003-05-21 2004-11-24 James Patrick Greene Self charging torch

Also Published As

Publication number Publication date
CS163200B2 (en) 1975-08-29
ES184328U (en) 1973-10-16
JPS4936596B1 (en) 1974-10-02
YU33497B (en) 1977-04-30
DE1963234A1 (en) 1970-07-16
ES184328Y (en) 1974-06-01
PL69856B1 (en) 1973-10-31
YU5670A (en) 1976-10-31
CH516119A (en) 1971-11-30
GB1292582A (en) 1972-10-11
AT300120B (en) 1972-06-15
LU57776A1 (en) 1970-01-15
FR2028282A1 (en) 1970-10-09
DE1963234B2 (en) 1972-02-10

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AT299378B (en) flashlight