GB428996A - Improvements in luminous electric discharge tubes - Google Patents

Improvements in luminous electric discharge tubes

Info

Publication number
GB428996A
GB428996A GB25572/34A GB2557234A GB428996A GB 428996 A GB428996 A GB 428996A GB 25572/34 A GB25572/34 A GB 25572/34A GB 2557234 A GB2557234 A GB 2557234A GB 428996 A GB428996 A GB 428996A
Authority
GB
United Kingdom
Prior art keywords
electric discharge
discharge tubes
sept
walls
sheath
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
GB25572/34A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB428996A publication Critical patent/GB428996A/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
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

428,996. Discharge lamps. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London.- (Assignees of Patent-Treuhand- Ges. f³r Elektrische Gliihlampen; 11, Ehrenbergstrasse, Berlin) Sept. 5,1934, No. 25572. Convention date, Sept. 21, 1933. Addition to 414,620. [Class 39 (i)] The transparent or translucent, open-ended sheath 13 between the two walls 1, 2 of the discharge tube described in the parent Specification is extended to surround both electrode chambers 19 to maintain these at a high temperature and prevent condensation of metal therein. The sheath 13 is supported from the walls 1, 2 by helices 21, 22.
GB25572/34A 1933-06-27 1934-09-05 Improvements in luminous electric discharge tubes Expired GB428996A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP0067757 1933-06-27
DEP0068229 1933-09-21

Publications (1)

Publication Number Publication Date
GB428996A true GB428996A (en) 1935-05-22

Family

ID=25990928

Family Applications (2)

Application Number Title Priority Date Filing Date
GB10802/34A Expired GB414620A (en) 1933-06-27 1934-04-10 Improvements in luminous electric discharge tubes
GB25572/34A Expired GB428996A (en) 1933-06-27 1934-09-05 Improvements in luminous electric discharge tubes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB10802/34A Expired GB414620A (en) 1933-06-27 1934-04-10 Improvements in luminous electric discharge tubes

Country Status (5)

Country Link
US (2) US2009203A (en)
BE (1) BE401036A (en)
FR (1) FR767540A (en)
GB (2) GB414620A (en)
NL (1) NL37300C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694774A (en) * 1950-04-19 1954-11-16 Hanovia Chemical & Mfg Co End fitting for vapor arc lamps

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715691A (en) * 1951-06-29 1955-08-16 Westinghouse Electric Corp Vapor discharge lamp
US2797311A (en) * 1955-07-21 1957-06-25 Hanovia Chemical & Mfg Co Vapor arc lamp
US2963603A (en) * 1957-05-20 1960-12-06 Edmund H Germer Discharge device
US3293493A (en) * 1963-09-25 1966-12-20 Gen Electric Light source for color synthesis
US3358167A (en) * 1965-10-18 1967-12-12 Gen Electric Jacketed discharge lamp
NL7102424A (en) * 1970-02-28 1971-08-31
US5296779A (en) * 1992-04-10 1994-03-22 Gte Products Corp. Double-ended metal halide arc discharge lamp with electrically isolated containment shroud
EP2592655B1 (en) 2003-09-09 2019-11-06 The Regents of The University of California Fabrication of single or multiple gate field plates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694774A (en) * 1950-04-19 1954-11-16 Hanovia Chemical & Mfg Co End fitting for vapor arc lamps

Also Published As

Publication number Publication date
US2009203A (en) 1935-07-23
BE401036A (en)
FR767540A (en) 1934-07-20
US1990205A (en) 1935-02-05
GB414620A (en) 1934-08-09
NL37300C (en)

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