DE315068C - - Google Patents

Info

Publication number
DE315068C
DE315068C DENDAT315068D DE315068DA DE315068C DE 315068 C DE315068 C DE 315068C DE NDAT315068 D DENDAT315068 D DE NDAT315068D DE 315068D A DE315068D A DE 315068DA DE 315068 C DE315068 C DE 315068C
Authority
DE
Germany
Prior art keywords
lamp
incandescent
incandescent lamp
angle
envelope
Prior art date
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.)
Active
Application number
DENDAT315068D
Other languages
German (de)
English (en)
Publication of DE315068C publication Critical patent/DE315068C/de
Active legal-status Critical Current

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
DENDAT315068D Active DE315068C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE303844T

Publications (1)

Publication Number Publication Date
DE315068C true DE315068C (enrdf_load_stackoverflow)

Family

ID=6114146

Family Applications (3)

Application Number Title Priority Date Filing Date
DENDAT315067D Active DE315067C (enrdf_load_stackoverflow)
DENDAT315068D Active DE315068C (enrdf_load_stackoverflow)
DENDAT303844D Active DE303844C (enrdf_load_stackoverflow)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT315067D Active DE315067C (enrdf_load_stackoverflow)

Family Applications After (1)

Application Number Title Priority Date Filing Date
DENDAT303844D Active DE303844C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (3) DE303844C (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
US2441824A (en) * 1943-10-16 1948-05-18 Westinghouse Electric Corp Reflector 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
DE303844C (enrdf_load_stackoverflow)
DE315067C (enrdf_load_stackoverflow)

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