IT8149911A0 - Sorgente luminosa elettrica in particolare lampada ad incandescenza con ampolla tinta internamente - Google Patents

Sorgente luminosa elettrica in particolare lampada ad incandescenza con ampolla tinta internamente

Info

Publication number
IT8149911A0
IT8149911A0 IT8149911A IT4991181A IT8149911A0 IT 8149911 A0 IT8149911 A0 IT 8149911A0 IT 8149911 A IT8149911 A IT 8149911A IT 4991181 A IT4991181 A IT 4991181A IT 8149911 A0 IT8149911 A0 IT 8149911A0
Authority
IT
Italy
Prior art keywords
bulb
light source
incandescent lamp
electric light
internally dyed
Prior art date
Application number
IT8149911A
Other languages
English (en)
Inventor
Istvan Kallat
Original Assignee
Egyesuelt Izzolampa
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 Egyesuelt Izzolampa filed Critical Egyesuelt Izzolampa
Publication of IT8149911A0 publication Critical patent/IT8149911A0/it

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
IT8149911A 1980-12-17 1981-12-15 Sorgente luminosa elettrica in particolare lampada ad incandescenza con ampolla tinta internamente IT8149911A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU803032A HU183268B (en) 1980-12-17 1980-12-17 Electric source of light with ballon painted on its inner surface

Publications (1)

Publication Number Publication Date
IT8149911A0 true IT8149911A0 (it) 1981-12-15

Family

ID=10962195

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8149911A IT8149911A0 (it) 1980-12-17 1981-12-15 Sorgente luminosa elettrica in particolare lampada ad incandescenza con ampolla tinta internamente

Country Status (5)

Country Link
AT (1) ATA348681A (it)
DE (1) DE3132110A1 (it)
HU (1) HU183268B (it)
IT (1) IT8149911A0 (it)
NL (1) NL8105545A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379329A (en) * 2001-08-29 2003-03-05 Simon Jones Colour coated light bulbs and methods of manufacture thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE444428C (de) * 1925-11-15 1927-05-20 Patra Patent Treuhand Verfahren zur Herstellung elektrischer Lampen mit lichtstreuender oder farbiger Glocke
AT213488B (de) * 1956-08-01 1961-02-27 Egyesuelt Izzolampa Verfahren zur Herstellung einer Glühlampe
DE1840019U (de) * 1961-03-20 1961-10-26 Patra Patent Treuhand Mehrfarbige elektrische entladungsroehre.
FR2304169A1 (fr) * 1975-03-14 1976-10-08 Central Eclairage Lab Ampoule comportant un revetement de diffusion de lumiere et son procede de fabrication
DE2641868C3 (de) * 1976-09-17 1979-03-22 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zur Beschichtung der Innenoberfläche eines Frontglases einer Farbfernsehbildwiedergaberöhre bei der Herstellung eines Bildschirms
DE2906038A1 (de) * 1979-02-16 1980-08-28 Siemens Ag Lampenkolben

Also Published As

Publication number Publication date
ATA348681A (de) 1988-02-15
DE3132110A1 (de) 1982-09-09
NL8105545A (nl) 1982-07-16
HU183268B (en) 1984-04-28

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