AT284958B - Process for the production of a halogen incandescent lamp with a quartz bulb, in which part of the emitted light is shielded - Google Patents

Process for the production of a halogen incandescent lamp with a quartz bulb, in which part of the emitted light is shielded

Info

Publication number
AT284958B
AT284958B AT235269A AT235269A AT284958B AT 284958 B AT284958 B AT 284958B AT 235269 A AT235269 A AT 235269A AT 235269 A AT235269 A AT 235269A AT 284958 B AT284958 B AT 284958B
Authority
AT
Austria
Prior art keywords
shielded
production
emitted light
incandescent lamp
halogen incandescent
Prior art date
Application number
AT235269A
Other languages
German (de)
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 AT284958B publication Critical patent/AT284958B/en

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
    • 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
AT235269A 1968-03-13 1969-03-10 Process for the production of a halogen incandescent lamp with a quartz bulb, in which part of the emitted light is shielded AT284958B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6803526A NL6803526A (en) 1968-03-13 1968-03-13

Publications (1)

Publication Number Publication Date
AT284958B true AT284958B (en) 1970-10-12

Family

ID=19803012

Family Applications (1)

Application Number Title Priority Date Filing Date
AT235269A AT284958B (en) 1968-03-13 1969-03-10 Process for the production of a halogen incandescent lamp with a quartz bulb, in which part of the emitted light is shielded

Country Status (7)

Country Link
AT (1) AT284958B (en)
BE (1) BE729712A (en)
CH (1) CH502695A (en)
FR (1) FR2003813A1 (en)
GB (1) GB1193816A (en)
NL (1) NL6803526A (en)
SE (1) SE359964B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288713A (en) * 1979-11-23 1981-09-08 Gte Products Corporation Lamp having opaque coating
EP0985223B1 (en) * 1998-03-26 2004-08-04 Koninklijke Philips Electronics N.V. Electric lamp
US7195667B2 (en) * 2004-06-07 2007-03-27 General Electric Company Composition for opaque coating, lamp with coating, and method of manufacture

Also Published As

Publication number Publication date
FR2003813A1 (en) 1969-11-14
NL6803526A (en) 1969-09-16
DE1909394A1 (en) 1969-10-23
CH502695A (en) 1971-01-31
BE729712A (en) 1969-09-11
SE359964B (en) 1973-09-10
DE1909394B2 (en) 1977-06-08
GB1193816A (en) 1970-06-03

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee