AT255564B - Elektrische Glühlampe für Projektionszwecke - Google Patents

Elektrische Glühlampe für Projektionszwecke

Info

Publication number
AT255564B
AT255564B AT395666A AT395666A AT255564B AT 255564 B AT255564 B AT 255564B AT 395666 A AT395666 A AT 395666A AT 395666 A AT395666 A AT 395666A AT 255564 B AT255564 B AT 255564B
Authority
AT
Austria
Prior art keywords
incandescent lamp
electric incandescent
projection purposes
projection
purposes
Prior art date
Application number
AT395666A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT255564B publication Critical patent/AT255564B/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K7/00—Lamps for purposes other than general lighting
    • H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
AT395666A 1965-04-30 1966-04-27 Elektrische Glühlampe für Projektionszwecke AT255564B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6505581A NL6505581A (de) 1965-04-30 1965-04-30

Publications (1)

Publication Number Publication Date
AT255564B true AT255564B (de) 1967-07-10

Family

ID=19793069

Family Applications (1)

Application Number Title Priority Date Filing Date
AT395666A AT255564B (de) 1965-04-30 1966-04-27 Elektrische Glühlampe für Projektionszwecke

Country Status (7)

Country Link
AT (1) AT255564B (de)
CH (1) CH470081A (de)
DE (1) DE1497528A1 (de)
DK (1) DK109573C (de)
ES (1) ES326096A1 (de)
GB (1) GB1097409A (de)
NL (1) NL6505581A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5388034A (en) * 1992-09-16 1995-02-07 General Electric Company Vehicle headlamp comprising a discharge lamp including an inner envelope and a surrounding shroud
DE19844519C2 (de) * 1998-09-28 2000-08-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Glühlampe mit IR-Reflexionsschicht
US20060186816A1 (en) * 2003-07-28 2006-08-24 Koninklijke Philips Electronics N.V. Electric lamp
DE102004033117A1 (de) * 2004-07-08 2006-01-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Halogenglühlampe

Also Published As

Publication number Publication date
NL6505581A (de) 1966-10-31
CH470081A (de) 1969-03-15
DK109573C (da) 1968-05-13
ES326096A1 (es) 1967-04-01
GB1097409A (en) 1968-01-03
DE1497528A1 (de) 1969-10-30

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