FR1116797A - Lighting device - Google Patents

Lighting device

Info

Publication number
FR1116797A
FR1116797A FR1116797DA FR1116797A FR 1116797 A FR1116797 A FR 1116797A FR 1116797D A FR1116797D A FR 1116797DA FR 1116797 A FR1116797 A FR 1116797A
Authority
FR
France
Prior art keywords
lighting device
lighting
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1116797A publication Critical patent/FR1116797A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/34—Double wall vessels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
FR1116797D 1953-11-19 1954-11-17 Lighting device Expired FR1116797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL759125X 1953-11-19

Publications (1)

Publication Number Publication Date
FR1116797A true FR1116797A (en) 1956-05-11

Family

ID=19825364

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116797D Expired FR1116797A (en) 1953-11-19 1954-11-17 Lighting device

Country Status (2)

Country Link
FR (1) FR1116797A (en)
GB (1) GB759125A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938097A (en) * 1958-09-08 1960-05-24 Curley S Cabinet Shop Machine for setting adhesive in door casing joints
US4278910A (en) * 1979-08-06 1981-07-14 Gte Products Corporation High pressure arc discharge lamp having concave shaped outer jacket

Also Published As

Publication number Publication date
GB759125A (en) 1956-10-10

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