GB428996A - Improvements in luminous electric discharge tubes - Google Patents
Improvements in luminous electric discharge tubesInfo
- 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
Links
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
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.
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)
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)
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 |
-
0
- BE BE401036D patent/BE401036A/xx unknown
- NL NL37300D patent/NL37300C/xx active
-
1934
- 1934-01-22 FR FR767540D patent/FR767540A/en not_active Expired
- 1934-04-10 GB GB10802/34A patent/GB414620A/en not_active Expired
- 1934-06-12 US US730334A patent/US2009203A/en not_active Expired - Lifetime
- 1934-09-05 US US742785A patent/US1990205A/en not_active Expired - Lifetime
- 1934-09-05 GB GB25572/34A patent/GB428996A/en not_active Expired
Cited By (1)
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) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB428996A (en) | Improvements in luminous electric discharge tubes | |
GB404448A (en) | Improvements in luminous electric discharge tubes | |
GB428925A (en) | Improvements in electric discharge tubes | |
GB372154A (en) | Improvements in luminous electric discharge tubes | |
GB393515A (en) | Improvements in luminous electric discharge tubes | |
GB347684A (en) | Improvements in and relating to electric glow discharge devices | |
GB361804A (en) | Improvements in electric luminous discharge tubes | |
GB496021A (en) | Improvements in and relating to the envelopes of electric lamps and discharge tubes | |
GB393849A (en) | Improvements in luminous electric discharge tubes | |
GB412879A (en) | Improvements in electric discharge tubes | |
GB365434A (en) | Improvements in luminous electric discharge tubes | |
GB377098A (en) | Improvements in luminous electric discharge tubes | |
GB352353A (en) | Improvements in luminous electric discharge tubes | |
GB406611A (en) | Improvements in luminous electric discharge tubes | |
GB429886A (en) | Improvements in and relating to electric lamps | |
GB405514A (en) | Improvements in luminous electric discharge tubes | |
GB407565A (en) | Improvements in luminous electric discharge lamps | |
GB397006A (en) | Improvements in electric lamps | |
GB429368A (en) | Improvements in or relating to electric lamps and the like | |
GB389418A (en) | Improvements in luminous electric discharge lamps | |
GB425928A (en) | Improvements in electric discharge tubes | |
GB414611A (en) | Improvements in luminous sources formed by electric discharge tubes | |
GB413959A (en) | Improvements in luminous electric discharge tubes | |
GB351433A (en) | ||
GB434561A (en) | Improvements in electric discharge devices |