GB425103A - Improvements in or relating to electric discharge tubes - Google Patents
Improvements in or relating to electric discharge tubesInfo
- Publication number
- GB425103A GB425103A GB17580/33A GB1758033A GB425103A GB 425103 A GB425103 A GB 425103A GB 17580/33 A GB17580/33 A GB 17580/33A GB 1758033 A GB1758033 A GB 1758033A GB 425103 A GB425103 A GB 425103A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- passage
- screen
- discharge
- secured
- 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
- H01J61/04—Electrodes; Screens; Shields
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Glass Compositions (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEN34758D DE597745C (de) | 1933-01-17 | 1933-01-17 | Elektrische Entladungsroehre mit Metalldampffuellung, insbesondere zum Aussenden von Lichtstrahlen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB425103A true GB425103A (en) | 1935-03-07 |
Family
ID=7346844
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17580/33A Expired GB425103A (en) | 1933-01-17 | 1933-06-20 | Improvements in or relating to electric discharge tubes |
GB17581/33A Expired GB425601A (en) | 1933-01-17 | 1933-06-20 | Improvements in or relating to electric discharge tubes |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17581/33A Expired GB425601A (en) | 1933-01-17 | 1933-06-20 | Improvements in or relating to electric discharge tubes |
Country Status (5)
Country | Link |
---|---|
US (2) | US2001516A (enrdf_load_stackoverflow) |
DE (2) | DE594634C (enrdf_load_stackoverflow) |
FR (1) | FR757631A (enrdf_load_stackoverflow) |
GB (2) | GB425103A (enrdf_load_stackoverflow) |
NL (1) | NL40362C (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2881345A (en) * | 1953-02-03 | 1959-04-07 | Claude General Neon Lights Ltd | Low pressure mercury vapour electric discharge lamps |
JPS56160753A (en) * | 1980-05-14 | 1981-12-10 | Matsushita Electronics Corp | Fluorescent bulb and manufacturing method |
-
0
- NL NL40362D patent/NL40362C/xx active
-
1932
- 1932-08-16 DE DEN34095D patent/DE594634C/de not_active Expired
-
1933
- 1933-01-17 DE DEN34758D patent/DE597745C/de not_active Expired
- 1933-05-16 US US671318A patent/US2001516A/en not_active Expired - Lifetime
- 1933-06-20 GB GB17580/33A patent/GB425103A/en not_active Expired
- 1933-06-20 GB GB17581/33A patent/GB425601A/en not_active Expired
- 1933-06-26 FR FR757631D patent/FR757631A/fr not_active Expired
-
1934
- 1934-01-05 US US705441A patent/US1961897A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1961897A (en) | 1934-06-05 |
DE597745C (de) | 1934-05-30 |
US2001516A (en) | 1935-05-14 |
FR757631A (fr) | 1933-12-29 |
NL40362C (enrdf_load_stackoverflow) | |
DE594634C (de) | 1934-03-19 |
GB425601A (en) | 1935-03-19 |
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