Patent ID: 8960911
Filing Date: 2015-02-24
Classification: G02B,G03B,G09G,H04N

Abstract:
1. A projector comprising: a lamp that emits projection light to project 3D picture, in which a right eye image and a left eye image are presented in a time division manner, to an object; a synchronization signal transmission section which transmits shutter synchronization signal to a pair of glasses having a right eye shutter and a left eye shutter which are in an opened state or a closed state independently, to control the opened state or the closed state of the right eye shutter and the left eye shutter, based on a signal indicating a first displaying period of the right eye image and a second displaying period of the left eye image of the 3D picture; and a lamp drive section that supplies a lamp drive current to the lamp so that the lamp produces projection light, the lamp drive current including a first value, a first peak having higher absolute value than the first value, a second value, and a second peak having higher absolute value than the second value, where at least a part of the first peak overlaps with the first displaying period when the right eye shutter is in opened state and at least a part of a second peak overlaps with the right eye shutter when the right eye shutter is in the opened state and at least a part of a second peak overlaps with the second displaying period when the left eye shutter is in the opened state, based on the signal indicating the first displaying period of the right eye image and the second displaying period of the left eye image of the 3D picture.