GB630922A - Improvements in or relating to control means for electric lights - Google Patents
Improvements in or relating to control means for electric lightsInfo
- Publication number
- GB630922A GB630922A GB1091747A GB1091747A GB630922A GB 630922 A GB630922 A GB 630922A GB 1091747 A GB1091747 A GB 1091747A GB 1091747 A GB1091747 A GB 1091747A GB 630922 A GB630922 A GB 630922A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- lamp
- control means
- condenser
- electric lights
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/06—Switching arrangements, e.g. from series operation to parallel operation
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
630,922. Control systems for electric lamps. McKAY, A. R., and BROOKS, A. C. April 23, 1947, No. 10917. [Class 38 (iv)] [Also in Group XXXVI] A lamp-circuit includes a series condenser of metallized paper type which is included, for dimming, or byepassed at will. As shown the condenser 15 and a resistance 16 are mounted in a lamp-holder as shown and a pear switch connected to the lamp-holder by flex may be used to short-circuit the condenser.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1091747A GB630922A (en) | 1947-04-23 | 1947-04-23 | Improvements in or relating to control means for electric lights |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1091747A GB630922A (en) | 1947-04-23 | 1947-04-23 | Improvements in or relating to control means for electric lights |
Publications (1)
Publication Number | Publication Date |
---|---|
GB630922A true GB630922A (en) | 1949-10-24 |
Family
ID=9976675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1091747A Expired GB630922A (en) | 1947-04-23 | 1947-04-23 | Improvements in or relating to control means for electric lights |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB630922A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2122039A (en) * | 1982-06-11 | 1984-01-04 | Gen Electric | Ballast circuit for incandescent lamp |
GB2146181A (en) * | 1983-08-31 | 1985-04-11 | Wooil Jeonkwang Co Ltd | Lighting control device |
GB2220531A (en) * | 1988-07-09 | 1990-01-10 | Linda Ann James | Branching adaptor for ceiling rose outlet |
GB2384920A (en) * | 2002-01-30 | 2003-08-06 | Mk Electric Ltd | A control assembly for a compact fluorescent lamp |
-
1947
- 1947-04-23 GB GB1091747A patent/GB630922A/en not_active Expired
Cited By (5)
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 |
GB2146181A (en) * | 1983-08-31 | 1985-04-11 | Wooil Jeonkwang Co Ltd | Lighting control device |
GB2220531A (en) * | 1988-07-09 | 1990-01-10 | Linda Ann James | Branching adaptor for ceiling rose outlet |
GB2384920A (en) * | 2002-01-30 | 2003-08-06 | Mk Electric Ltd | A control assembly for a compact fluorescent lamp |
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