JPS5613661A - Lamp having reflecting surface - Google Patents

Lamp having reflecting surface

Info

Publication number
JPS5613661A
JPS5613661A JP9184480A JP9184480A JPS5613661A JP S5613661 A JPS5613661 A JP S5613661A JP 9184480 A JP9184480 A JP 9184480A JP 9184480 A JP9184480 A JP 9184480A JP S5613661 A JPS5613661 A JP S5613661A
Authority
JP
Japan
Prior art keywords
lamp
reflecting surface
reflecting
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.)
Pending
Application number
JP9184480A
Other languages
Japanese (ja)
Inventor
Yakobu Rooerefuinku Bauke
Hiyuubetasu Henrikusu Yohanesu
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
Publication of JPS5613661A publication Critical patent/JPS5613661A/en
Pending 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
    • H01K1/325—Reflecting coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP9184480A 1979-07-10 1980-07-07 Lamp having reflecting surface Pending JPS5613661A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7905367A NL7905367A (en) 1979-07-10 1979-07-10 ELECTRIC LAMP WITH A MIRRORED LAMP BARREL.

Publications (1)

Publication Number Publication Date
JPS5613661A true JPS5613661A (en) 1981-02-10

Family

ID=19833520

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9184480A Pending JPS5613661A (en) 1979-07-10 1980-07-07 Lamp having reflecting surface

Country Status (5)

Country Link
EP (1) EP0022304B1 (en)
JP (1) JPS5613661A (en)
CA (1) CA1155901A (en)
DE (1) DE3060917D1 (en)
NL (1) NL7905367A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340387A1 (en) * 1983-11-08 1985-05-15 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München ELECTRIC BULB AND METHOD FOR THE PRODUCTION THEREOF
US4536834A (en) * 1984-05-22 1985-08-20 General Electric Company R lamp having an improved neck section for increasing the useful light output
US4656386A (en) * 1985-03-13 1987-04-07 General Electric Company R lamp having an improved dome portion for increasing the useful light output
DE3762562D1 (en) * 1986-03-11 1990-06-07 Philips Nv BLOWED LAMP PISTON AND ELECTRIC LAMP WITH SUCH A PISTON.
EP0241987B1 (en) * 1986-04-16 1990-07-04 Koninklijke Philips Electronics N.V. Electric lamp having a mirror-coated lamp vessel
US4803394A (en) * 1987-02-25 1989-02-07 U.S. Philips Corporation Lamp vessel for multiple lamp types
US5789847A (en) * 1994-09-09 1998-08-04 Philips Electronics North America Corporation High efficiency sealed beam reflector lamp with reflective surface of heat treated silver
DE19857076A1 (en) * 1998-12-10 2000-06-15 Volkswagen Ag Incandescent lamp, for a car headlight, has a bulb coating which is black at the bulb side and silver at the opposite side

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2070700A (en) * 1934-11-17 1937-02-16 Welsbach Street Lighting Compa Illumination
US2901655A (en) * 1955-11-10 1959-08-25 Gen Electric Reflecting electric lamp
FR2256531A1 (en) * 1973-12-26 1975-07-25 Lampes Elect Fab Reunies Electric bulb with silvered cap - light is doubly reflected before hitting socket

Also Published As

Publication number Publication date
DE3060917D1 (en) 1982-11-11
NL7905367A (en) 1981-01-13
EP0022304B1 (en) 1982-10-06
CA1155901A (en) 1983-10-25
EP0022304A1 (en) 1981-01-14

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