Patent ID: 8425053
Filing Date: 2013-04-23
Classification: G03B,H05B

Abstract:
1. A method of controlling lighting of a light source and a projector with a lighting control device connected to a control unit, the control unit controlling a lighting unit supplying electric power to the light source, the method comprising: forming an image light corresponding to image information by modulating light emitted from the light source; projecting the image light; detecting a driving state of the lighting control device; determining whether or not a problem has occurred in the lighting control device on the basis of the driving state; storing problem related information in the lighting control device regarding the problem when the problem has occurred; transmitting a problem occurrence signal from the lighting control device to the control device, which indicates that the problem has occurred, when it is determined that a problem has occurred; acquiring the problem related information from the lighting control device to the control device when the problem occurrence signal is received and storing the problem related information in the control device; and storing driving information, which is based on the driving state within a predetermined period until the problem occurs, as the problem related information.