EP0588541A1 - Lampes électriques à incandescène - Google Patents

Lampes électriques à incandescène Download PDF

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Publication number
EP0588541A1
EP0588541A1 EP93307014A EP93307014A EP0588541A1 EP 0588541 A1 EP0588541 A1 EP 0588541A1 EP 93307014 A EP93307014 A EP 93307014A EP 93307014 A EP93307014 A EP 93307014A EP 0588541 A1 EP0588541 A1 EP 0588541A1
Authority
EP
European Patent Office
Prior art keywords
envelope
filament
lamp
filter
lamp according
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.)
Withdrawn
Application number
EP93307014A
Other languages
German (de)
English (en)
Inventor
John Alan Stocks
David Osborn Wharmby
Roger Alan Hume
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.)
GE Lighting Ltd
Original Assignee
GE Lighting Ltd
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
Priority claimed from GB929219438A external-priority patent/GB9219438D0/en
Priority claimed from GB939308345A external-priority patent/GB9308345D0/en
Application filed by GE Lighting Ltd filed Critical GE Lighting Ltd
Publication of EP0588541A1 publication Critical patent/EP0588541A1/fr
Withdrawn legal-status Critical Current

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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
    • H01K1/325—Reflecting coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K5/00—Lamps for general lighting
EP93307014A 1992-09-14 1993-09-06 Lampes électriques à incandescène Withdrawn EP0588541A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9219438 1992-09-14
GB929219438A GB9219438D0 (en) 1992-09-14 1992-09-14 Tungsten halogen lamp
GB939308345A GB9308345D0 (en) 1993-04-22 1993-04-22 Electric incandescent lamps
GB9308345 1993-04-22

Publications (1)

Publication Number Publication Date
EP0588541A1 true EP0588541A1 (fr) 1994-03-23

Family

ID=26301620

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93307014A Withdrawn EP0588541A1 (fr) 1992-09-14 1993-09-06 Lampes électriques à incandescène

Country Status (2)

Country Link
EP (1) EP0588541A1 (fr)
JP (1) JPH06196135A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0989590A1 (fr) * 1998-09-24 2000-03-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe électrique à incandescence
US6555948B1 (en) 1998-09-24 2003-04-29 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh Electric incandescent lamp

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5330103B2 (ja) * 2009-05-29 2013-10-30 ウシオ電機株式会社 スポットライト
JP2013145764A (ja) * 2013-04-30 2013-07-25 Ushio Inc 白熱電球

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2044993A (en) * 1979-03-14 1980-10-22 Philips Nv Electric incandescent lamp
EP0115392A2 (fr) * 1983-01-29 1984-08-08 Thorn Emi Plc Lampes à incandescence à halogène-tungstène
EP0369254A2 (fr) * 1988-11-14 1990-05-23 General Electric Company Filtres interférentiels en oxyde de tantale et de silicium et lampes utilisant de tels filtres
JPH03283350A (ja) * 1990-03-30 1991-12-13 Toshiba Lighting & Technol Corp 白熱電球

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2044993A (en) * 1979-03-14 1980-10-22 Philips Nv Electric incandescent lamp
EP0115392A2 (fr) * 1983-01-29 1984-08-08 Thorn Emi Plc Lampes à incandescence à halogène-tungstène
EP0369254A2 (fr) * 1988-11-14 1990-05-23 General Electric Company Filtres interférentiels en oxyde de tantale et de silicium et lampes utilisant de tels filtres
JPH03283350A (ja) * 1990-03-30 1991-12-13 Toshiba Lighting & Technol Corp 白熱電球

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 16, no. 104 (E - 1178) 13 March 1992 (1992-03-13) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0989590A1 (fr) * 1998-09-24 2000-03-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe électrique à incandescence
US6555948B1 (en) 1998-09-24 2003-04-29 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh Electric incandescent lamp

Also Published As

Publication number Publication date
JPH06196135A (ja) 1994-07-15

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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