BE425306A - - Google Patents

Info

Publication number
BE425306A
BE425306A BE425306DA BE425306A BE 425306 A BE425306 A BE 425306A BE 425306D A BE425306D A BE 425306DA BE 425306 A BE425306 A BE 425306A
Authority
BE
Belgium
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.)
Publication of BE425306A publication Critical patent/BE425306A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325—Reflecting coating
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
BE425306D 1936-12-18 BE425306A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL205355X 1936-12-18

Publications (1)

Publication Number Publication Date
BE425306A true BE425306A (enrdf_load_stackoverflow)

Family

ID=19778522

Family Applications (1)

Application Number Title Priority Date Filing Date
BE425306D BE425306A (enrdf_load_stackoverflow) 1936-12-18

Country Status (7)

Country Link
US (1) US2144521A (enrdf_load_stackoverflow)
BE (1) BE425306A (enrdf_load_stackoverflow)
CH (1) CH205355A (enrdf_load_stackoverflow)
DE (1) DE718520C (enrdf_load_stackoverflow)
FR (1) FR830957A (enrdf_load_stackoverflow)
GB (1) GB513249A (enrdf_load_stackoverflow)
NL (1) NL51560C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441823A (en) * 1943-02-01 1948-05-18 Westinghouse Electric Corp Reflector lamp and optical system
US2622222A (en) * 1951-04-27 1952-12-16 Westinghouse Electric Corp Infrared heating and cooking lamp
US4379249A (en) * 1980-08-20 1983-04-05 Duro-Test, Corporation Incandescent lamp with ellipsoidal envelope and infrared reflector

Also Published As

Publication number Publication date
GB513249A (en) 1939-10-09
DE718520C (de) 1942-03-13
NL51560C (enrdf_load_stackoverflow)
FR830957A (fr) 1938-08-16
CH205355A (de) 1939-06-15
US2144521A (en) 1939-01-17

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