| 摘要 |
PROBLEM TO BE SOLVED: To provide a smaller ballast easy to automatically manufacture. SOLUTION: This high pressure discharge lamp ballast 2 comprises a ballast body 4 consisting of an iron core and a coil wound on the iron core, an electric circuit for supplying power to the coil and outputting power to the outside and a container for storing the ballast body and the electric circuit, the electric circuit having a printed board, the printed board being assembled in the ballast. |
