GB155238A - Improvements in or relating to electric light installations for alternating current - Google Patents
Improvements in or relating to electric light installations for alternating currentInfo
- Publication number
- GB155238A GB155238A GB3201420A GB3201420A GB155238A GB 155238 A GB155238 A GB 155238A GB 3201420 A GB3201420 A GB 3201420A GB 3201420 A GB3201420 A GB 3201420A GB 155238 A GB155238 A GB 155238A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- alternating current
- electric light
- light installations
- low
- 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
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/62—One or more circuit elements structurally associated with the lamp
Abstract
155,238. Naamlooze Vennootschap Philips' Gloeilampenfabrieken. Dec. 5, 1919, [Convention date]. Drawings to Specification. Vacuum tubes; low-pressure metallic-vapour apparatus.-Low-voltage arc lamps or vapour lamps are connected to high-voltage mains through a condenser integral with the lamp.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL13504A NL6821C (en) | 1919-12-05 | 1919-12-05 | |
NL20226A NL12041C (en) | 1919-12-05 | 1921-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB155238A true GB155238A (en) | 1922-02-13 |
Family
ID=26643472
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3201420A Expired GB155238A (en) | 1919-12-05 | 1920-11-12 | Improvements in or relating to electric light installations for alternating current |
GB2333722A Expired GB185410A (en) | 1919-12-05 | 1922-08-28 | Improvements in or relating to electric incandescent lamps |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2333722A Expired GB185410A (en) | 1919-12-05 | 1922-08-28 | Improvements in or relating to electric incandescent lamps |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE375806C (en) |
FR (2) | FR526945A (en) |
GB (2) | GB155238A (en) |
NL (2) | NL6821C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2122039A (en) * | 1982-06-11 | 1984-01-04 | Gen Electric | Ballast circuit for incandescent lamp |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4572991A (en) * | 1984-01-16 | 1986-02-25 | General Electric Company | Higher efficiency incandescent lighting unit having an improved ballast unit |
-
1919
- 1919-12-05 NL NL13504A patent/NL6821C/xx active
- 1919-12-21 DE DE1919P0038941 patent/DE375806C/en not_active Expired
-
1920
- 1920-11-08 FR FR526945D patent/FR526945A/en not_active Expired
- 1920-11-12 GB GB3201420A patent/GB155238A/en not_active Expired
-
1921
- 1921-08-30 NL NL20226A patent/NL12041C/xx active
-
1922
- 1922-08-28 FR FR26773D patent/FR26773E/en not_active Expired
- 1922-08-28 GB GB2333722A patent/GB185410A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2122039A (en) * | 1982-06-11 | 1984-01-04 | Gen Electric | Ballast circuit for incandescent lamp |
US4473776A (en) * | 1982-06-11 | 1984-09-25 | General Electric Company | Disconnect means for capacitor ballast incandescent lamp |
Also Published As
Publication number | Publication date |
---|---|
FR526945A (en) | 1921-10-15 |
DE375806C (en) | 1923-05-18 |
GB185410A (en) | 1923-03-29 |
FR26773E (en) | 1924-03-15 |
NL12041C (en) | 1924-10-15 |
NL6821C (en) | 1922-04-15 |
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