GB1222790A - Tungsten halogen lamps - Google Patents

Tungsten halogen lamps

Info

Publication number
GB1222790A
GB1222790A GB5620669A GB5620669A GB1222790A GB 1222790 A GB1222790 A GB 1222790A GB 5620669 A GB5620669 A GB 5620669A GB 5620669 A GB5620669 A GB 5620669A GB 1222790 A GB1222790 A GB 1222790A
Authority
GB
United Kingdom
Prior art keywords
tungsten halogen
halogen lamps
hif
heading
nov
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
GB5620669A
Inventor
Alex Leopold Halberstadt
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.)
Thorn Lighting Ltd
Original Assignee
Thorn 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
Application filed by Thorn Lighting Ltd filed Critical Thorn Lighting Ltd
Priority to GB5620669A priority Critical patent/GB1222790A/en
Priority to DE19707042352 priority patent/DE7042352U/en
Publication of GB1222790A publication Critical patent/GB1222790A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

1,222,790. Electric incandescent lamps. THORN LIGHTING Ltd. 17 Nov., 1969, No. 56206/69. Heading HIF. A tungsten halogen lamp comprises a tubular sealed envelope having a portion 15 of increased diameter and a planar filament 20 located within the said portion;
GB5620669A 1969-11-17 1969-11-17 Tungsten halogen lamps Expired GB1222790A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB5620669A GB1222790A (en) 1969-11-17 1969-11-17 Tungsten halogen lamps
DE19707042352 DE7042352U (en) 1969-11-17 1970-11-16 TUNGSTEN HALOGEN LAMP

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5620669A GB1222790A (en) 1969-11-17 1969-11-17 Tungsten halogen lamps

Publications (1)

Publication Number Publication Date
GB1222790A true GB1222790A (en) 1971-02-17

Family

ID=10476032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5620669A Expired GB1222790A (en) 1969-11-17 1969-11-17 Tungsten halogen lamps

Country Status (2)

Country Link
DE (1) DE7042352U (en)
GB (1) GB1222790A (en)

Also Published As

Publication number Publication date
DE7042352U (en) 1971-02-18

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