GB372154A - Improvements in luminous electric discharge tubes - Google Patents
Improvements in luminous electric discharge tubesInfo
- Publication number
- GB372154A GB372154A GB19577/31A GB1957731A GB372154A GB 372154 A GB372154 A GB 372154A GB 19577/31 A GB19577/31 A GB 19577/31A GB 1957731 A GB1957731 A GB 1957731A GB 372154 A GB372154 A GB 372154A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electric discharge
- discharge tubes
- luminous electric
- envelope
- ehrenbergstrasse
- 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
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
- H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
372,154. Discharge lamps. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London.-(Assignees of Patent-Treuhand-Ges. fur Elektrische Gluhlampen; 11, Ehrenbergstrasse, Berlin.) July 7, 1931, No. 19577. Convention date, Aug. 21, 1930. [Class 39 (i).] To prevent undue heat losses, a lamp with at least a partial filling of metal vapour and provided with solid electrodes has its main envelope or an additional envelope at least partly coated with a thin transparent metallic coating having a strong absorption in the infra-red. Gold and silver coatings are given as examples, and may be used with sodium and cadmium or mercury fillings respectively.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE537938T | 1930-08-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB372154A true GB372154A (en) | 1932-05-05 |
Family
ID=34122355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19577/31A Expired GB372154A (en) | 1930-08-22 | 1931-07-07 | Improvements in luminous electric discharge tubes |
Country Status (3)
Country | Link |
---|---|
US (1) | US1897587A (en) |
DE (1) | DE537938C (en) |
GB (1) | GB372154A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2573473A (en) * | 1951-10-30 | Ignition control | ||
US2449397A (en) * | 1945-01-31 | 1948-09-14 | American Bosch Corp | Electric spark gap |
US2789242A (en) * | 1946-02-13 | 1957-04-16 | Friedman Herbert | Geiger-mueller counter |
DE959477C (en) * | 1952-08-17 | 1957-03-07 | Quarzlampen Gmbh | Device for producing blueprints with a high pressure mercury lamp |
US5726854A (en) * | 1996-10-30 | 1998-03-10 | Tekna Seal, Inc. | Voltage arrestor for use with delicate electronic components |
US5768083A (en) * | 1996-10-30 | 1998-06-16 | Tekna Seal, Inc. | Method of suppressing electrostatic energy in glass-to-metal hermetic seal devices |
-
1930
- 1930-08-22 DE DE1930537938D patent/DE537938C/en not_active Expired
-
1931
- 1931-07-07 GB GB19577/31A patent/GB372154A/en not_active Expired
- 1931-07-22 US US552453A patent/US1897587A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1897587A (en) | 1933-02-14 |
DE537938C (en) | 1931-11-09 |
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