Excitation lamp controller


PURPOSE:To obtain a pulse discharge current of a desired wave form with single DC power source. CONSTITUTION:Plurality of switching circuits 21, 22 and 23 which are connected in parallel with a DC power source and turn on current supply, a plurality of charging/discharging circuits 27, 28 and 29 connected to these switching circuits, and a plurality of discharge switching circuits 30, 31 and 32 which make these charging/discharging circuits discharge and then apply the excitation lamp with the discharged current are provided. In addition, a controlling means 34 which controls on/off of respective switching circuits, corresponding to a discharged amount to respective charging/discharging circuits, and also controls a timing for on of respective discharge switching circuits is provided.




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    JP-2010104195-AMay 06, 2010Seiko Epson Corp, セイコーエプソン株式会社Electric load driving circuit