CH502695A - 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
CH502695A
CH502695A CH355369A CH355369A CH502695A CH 502695 A CH502695 A CH 502695A CH 355369 A CH355369 A CH 355369A CH 355369 A CH355369 A CH 355369A CH 502695 A CH502695 A CH 502695A
Authority
CH
Switzerland
Prior art keywords
shielded
production
emitted light
incandescent lamp
halogen incandescent
Prior art date
Application number
CH355369A
Other languages
German (de)
Inventor
Rosallie Notelteirs Victor
Goorissen Jan
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
Publication of CH502695A publication Critical patent/CH502695A/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
CH355369A 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 CH502695A (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
CH502695A true CH502695A (en) 1971-01-31

Family

ID=19803012

Family Applications (1)

Application Number Title Priority Date Filing Date
CH355369A CH502695A (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
DE69919095T2 (en) * 1998-03-26 2005-08-11 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
SE359964B (en) 1973-09-10
GB1193816A (en) 1970-06-03
DE1909394A1 (en) 1969-10-23
DE1909394B2 (en) 1977-06-08
AT284958B (en) 1970-10-12
FR2003813A1 (en) 1969-11-14
NL6803526A (en) 1969-09-16
BE729712A (en) 1969-09-11

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Legal Events

Date Code Title Description
PL Patent ceased