GB2059154B - Incandescent lamps - Google Patents

Incandescent lamps

Info

Publication number
GB2059154B
GB2059154B GB8030066A GB8030066A GB2059154B GB 2059154 B GB2059154 B GB 2059154B GB 8030066 A GB8030066 A GB 8030066A GB 8030066 A GB8030066 A GB 8030066A GB 2059154 B GB2059154 B GB 2059154B
Authority
GB
United Kingdom
Prior art keywords
incandescent lamps
incandescent
lamps
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
GB8030066A
Other versions
GB2059154A (en
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.)
Duro Test Corp
Original Assignee
Duro Test Corp
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 Duro Test Corp filed Critical Duro Test Corp
Publication of GB2059154A publication Critical patent/GB2059154A/en
Application granted granted Critical
Publication of GB2059154B publication Critical patent/GB2059154B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—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
GB8030066A 1979-09-17 1980-09-17 Incandescent lamps Expired GB2059154B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7635879A 1979-09-17 1979-09-17

Publications (2)

Publication Number Publication Date
GB2059154A GB2059154A (en) 1981-04-15
GB2059154B true GB2059154B (en) 1983-04-07

Family

ID=22131507

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8030066A Expired GB2059154B (en) 1979-09-17 1980-09-17 Incandescent lamps

Country Status (6)

Country Link
JP (1) JPS5682565A (en)
CA (1) CA1162972A (en)
DE (1) DE3035068A1 (en)
FR (1) FR2465313B1 (en)
GB (1) GB2059154B (en)
MX (1) MX148084A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535269A (en) * 1983-08-01 1985-08-13 General Electric Company Incandescent lamp
JPS6077347A (en) * 1983-10-05 1985-05-01 東芝ライテック株式会社 Halogen bulb
JPH0512920Y2 (en) * 1986-02-04 1993-04-05
DE19701792A1 (en) * 1997-01-20 1998-07-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Incandescent lamp with reflective coating
DE19701794A1 (en) * 1997-01-20 1998-07-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Incandescent lamp with reflective coating
CN1049761C (en) * 1997-09-26 2000-02-23 叶乃光 Incandescent lamp, halogen-tungsten lamp and electric arc lamp with infrared reflecting film
DE19843852A1 (en) * 1998-09-24 2000-03-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrical incandescent lamp has light body(ies) in lamp vessel with flat, esp. strip-shaped, light body element(s) radiating in infrared and visible regions, infrared reflective filter(s)
DE19844519C2 (en) * 1998-09-28 2000-08-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric light bulb with IR reflection layer
DE102004043176B4 (en) * 2004-09-03 2014-09-25 Osram Gmbh infrared Illuminator
US7518299B2 (en) * 2006-09-27 2009-04-14 Osram Sylvania Inc. Compact PAR lamp comprising an ellipsoid reflector having more than one focal point

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160929A (en) * 1977-03-25 1979-07-10 Duro-Test Corporation Incandescent light source with transparent heat mirror
JPS5498072A (en) * 1978-01-18 1979-08-02 Toshiba Corp Incandescent lamp
NL184651C (en) * 1979-02-26 1989-09-18 Philips Nv ELECTRIC LIGHT BULB.

Also Published As

Publication number Publication date
MX148084A (en) 1983-03-10
FR2465313B1 (en) 1986-04-11
JPS5682565A (en) 1981-07-06
CA1162972A (en) 1984-02-28
FR2465313A1 (en) 1981-03-20
GB2059154A (en) 1981-04-15
DE3035068A1 (en) 1981-04-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee