DE218333C - - Google Patents

Info

Publication number
DE218333C
DE218333C DENDAT218333D DE218333DA DE218333C DE 218333 C DE218333 C DE 218333C DE NDAT218333 D DENDAT218333 D DE NDAT218333D DE 218333D A DE218333D A DE 218333DA DE 218333 C DE218333 C DE 218333C
Authority
DE
Germany
Prior art keywords
incandescent
gas
lamps
alumina
chromium oxide
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
DENDAT218333D
Other languages
German (de)
English (en)
Publication of DE218333C publication Critical patent/DE218333C/de
Active legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21H—INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
    • F21H1/00—Incandescent mantles; Selection of imbibition liquids therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Surface Treatment Of Glass (AREA)
DENDAT218333D Active DE218333C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE218333C true DE218333C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=479566

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT218333D Active DE218333C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE218333C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Similar Documents

Publication Publication Date Title
CN102473821B (zh) Led模块、led灯和照明装置
DE218333C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ITTO20030167A1 (it) Procedimento per la realizzazione di emettitori nano-strutturati per sorgenti di luce ad incandescenza.
ATE208749T1 (de) Verfahren zur herstellung eines oxidationsschutzes für poröse keramiken auf der basis von sic und si3n4
ATE5500T1 (de) Verfahren zur opalisierung von lampen durch niederschlag aus der gasphase.
US11659640B2 (en) Lighting apparatus
US20230061178A1 (en) Lighting apparatus
CN203533393U (zh) 一种led球形灯泡
DE69023463D1 (de) Methode zur Steuerung von Dimmern für Entladungslampen und Schaltung zur Erzeugung solch einer Steuerung.
CN2781172Y (zh) 高亮度二极管灯泡
DE246611C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
Haustein Lighting industry: a classical case of innovation
DE50305021D1 (de) Verfahren zur Anhebung oder Absenkung der Abgastemperatur bei Dieselmotoren
GB189702110A (en) An Improved Incandescent Gas Lamp.
JPH04303552A (ja) 白熱電球
DE243278C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE68927594D1 (de) Bogenkolben für Hochdruckmetalldampfentladungslampen, Lampe mit einem solchen Kolben und Verfahren zur Herstellung
US1086428A (en) Manufacture of electric filaments.
DE247635C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE220617C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TWD233363S (zh) 車尾燈
DE2516918A1 (de) Elektrisches fackellicht
DE168595C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE52389C (de) Dreh- und verschiebbare federnde Aufhängevorrichtung für Glühlampen
O'Connell et al. FORTY-SECOND WILLIAM & MARY TAX CONFERENCE