DE198643C - - Google Patents

Info

Publication number
DE198643C
DE198643C DENDAT198643D DE198643DA DE198643C DE 198643 C DE198643 C DE 198643C DE NDAT198643 D DENDAT198643 D DE NDAT198643D DE 198643D A DE198643D A DE 198643DA DE 198643 C DE198643 C DE 198643C
Authority
DE
Germany
Prior art keywords
filament
safety
normal
lamp
normal filament
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
DENDAT198643D
Other languages
German (de)
English (en)
Publication of DE198643C publication Critical patent/DE198643C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
DENDAT198643D Active DE198643C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE198643C true DE198643C (enrdf_load_html_response)

Family

ID=461424

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT198643D Active DE198643C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE198643C (enrdf_load_html_response)

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