Discharge lamp lighting device, projector, and control method of discharge lamp lighting device
AssigneeSeiko Epson Corporation
InventorTakeshi Takezawa
Life of this patent
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AssigneeSeiko Epson Corporation
InventorTakeshi Takezawa
Estimating the term…
A discharge lamp lighting device includes: a discharge lamp driving unit that supplies an AC driving current to a discharge lamp to drive the discharge lamp; a current detecting unit that detects the AC driving current supplied to the discharge lamp; and a control unit that controls the discharge lamp driving unit, wherein the control unit controls the discharge lamp driving unit after a predetermined time from the start of lighting driving operation of the discharge lamp on the basis of the behavior of the AC driving current detected by the current detecting unit at the predetermined time from the start of lighting driving operation of the discharge lamp.
A discharge lamp lighting device comprising:
A control method of a discharge lamp lighting device including a discharge lamp driving unit that supplies an AC driving current to a discharge lamp to drive the discharge lamp, a current detecting unit that detects the AC driving current supplied to the discharge lamp, and a control unit that controls the discharge lamp driving unit, comprising:
Dependencies are inferred from the claim text.