发明名称 |
ELEKTRISCHE BELEUCHTUNGSANLAGE |
摘要 |
A method and apparatus of lighting a cold cathode electric gas discharge lamp in which the lamp is connected across the secondary winding of a voltage step-up transformer, and the primary winding of the transformer is energized with a chopped D.C. voltage having a frequency of at least 12 kHz and a voltage which provides an output voltage from the secondary winding having an R.M.S. value no greater than 700 volts. |
申请公布号 |
DE2518601(A1) |
申请公布日期 |
1975.11.20 |
申请号 |
DE19752518601 |
申请日期 |
1975.04.24 |
申请人 |
E.W. CONTROLS LTD. |
发明人 |
EDMONDSON,HARRY;WHITTAKER,WALTER |
分类号 |
H05B41/24;H01F38/10;H02M3/338;H05B41/282 |
主分类号 |
H05B41/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|