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GB806519A - Electric induction lamp - Google Patents

Electric induction lamp

Info

Publication number
GB806519A
GB806519A GB21249/56A GB2124956A GB806519A GB 806519 A GB806519 A GB 806519A GB 21249/56 A GB21249/56 A GB 21249/56A GB 2124956 A GB2124956 A GB 2124956A GB 806519 A GB806519 A GB 806519A
Authority
GB
United Kingdom
Prior art keywords
disc
electric induction
target
induction lamp
july
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
GB21249/56A
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
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 Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Publication of GB806519A publication Critical patent/GB806519A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • H01J61/106—Shields, screens, or guides for influencing the discharge using magnetic means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K11/00—Lamps having an incandescent body which is not conductively heated, e.g. heated inductively, heated by electronic discharge

Landscapes

  • Magnetic Treatment Devices (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

806,519. Electric induction lamps. SYLVANIA ELECTRIC PRODUCTS Inc. July 9, 1956 [July 8, 1955], No. 21249/56. Class 39(2) In an electric induction lamp comprising a target 3 of refractory material which is disposed within an opening 5 in a disc 6 constituting a magnetic field concentrator and is heated inductively to incandescence, the target is spaced from the boundary of the opening 5 and projects beyond the rim thereof in the direction of useful light emission. In the example the disc 6 is flat and the target projects outwardly beyond, the plane of the disc. The disc forms the end of a cylindrical metal concentrator 8 provided with a slot 7 as disclosed in Specification 806,518.
GB21249/56A 1955-07-08 1956-07-09 Electric induction lamp Expired GB806519A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US520767A US2774905A (en) 1955-07-08 1955-07-08 Induction lamp

Publications (1)

Publication Number Publication Date
GB806519A true GB806519A (en) 1958-12-23

Family

ID=24073974

Family Applications (2)

Application Number Title Priority Date Filing Date
GB21068/56A Expired GB806518A (en) 1955-07-08 1956-07-06 Electric induction lamp
GB21249/56A Expired GB806519A (en) 1955-07-08 1956-07-09 Electric induction lamp

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB21068/56A Expired GB806518A (en) 1955-07-08 1956-07-06 Electric induction lamp

Country Status (4)

Country Link
US (1) US2774905A (en)
FR (1) FR1154903A (en)
GB (2) GB806518A (en)
NL (1) NL208599A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2842698A (en) * 1956-03-30 1958-07-08 Sylvania Electric Prod Induction lamp
US2948826A (en) * 1956-04-09 1960-08-09 Sylvania Electric Prod Induction lamp
US5998914A (en) * 1998-10-02 1999-12-07 Federal-Mogul World Wide, Inc. Electrodeless gas discharge lamp assembly and method of manufacture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2171359A (en) * 1936-08-03 1939-08-29 Harry I Stein Glow lamp

Also Published As

Publication number Publication date
US2774905A (en) 1956-12-18
FR1154903A (en) 1958-04-18
GB806518A (en) 1958-12-23
NL208599A (en)

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