GB412158A - Improvements in or relating to gasfilled electric discharge tubes - Google Patents
Improvements in or relating to gasfilled electric discharge tubesInfo
- Publication number
- GB412158A GB412158A GB12060/34A GB1206034A GB412158A GB 412158 A GB412158 A GB 412158A GB 12060/34 A GB12060/34 A GB 12060/34A GB 1206034 A GB1206034 A GB 1206034A GB 412158 A GB412158 A GB 412158A
- Authority
- GB
- United Kingdom
- Prior art keywords
- discharge
- series
- relating
- electric discharge
- discharge tubes
- 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
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
Landscapes
- Discharge Lamp (AREA)
- Radiation-Therapy Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL412158X | 1933-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB412158A true GB412158A (en) | 1934-06-21 |
Family
ID=19785988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12060/34A Expired GB412158A (en) | 1933-04-24 | 1934-04-21 | Improvements in or relating to gasfilled electric discharge tubes |
Country Status (4)
Country | Link |
---|---|
US (1) | US1984468A (de) |
DE (1) | DE602010C (de) |
FR (1) | FR771896A (de) |
GB (1) | GB412158A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE746201C (de) * | 1936-03-18 | 1944-06-13 | Osram G M B H Komm Ges | Elektrische Bestrahlungseinrichtung mit einer als Ultraviolettstrahler dienenden Metalldampfhochdrucklampe und einem als Vorschaltwiderstand dienenden Gluehkoerper |
-
1933
- 1933-05-19 DE DEN35255D patent/DE602010C/de not_active Expired
-
1934
- 1934-04-16 FR FR771896D patent/FR771896A/fr not_active Expired
- 1934-04-18 US US721122A patent/US1984468A/en not_active Expired - Lifetime
- 1934-04-21 GB GB12060/34A patent/GB412158A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1984468A (en) | 1934-12-18 |
FR771896A (fr) | 1934-10-18 |
DE602010C (de) | 1934-08-29 |
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