Patent ID: 8593577

Claim:
An image pickup apparatus comprising: a command communication unit that receives a command from an image display apparatus in accordance with CEC(consumer electronics control) of HDMI(High-Definition Multimedia Interface); an image transmission unit that transmits image data based on the HDMI to the image display apparatus in accordance with TMDS(Transition Minimized Differential Signaling) of the HDMI; and a control unit that controls the image transmission unit to transmit image data based on the HDMI to the image display apparatus if a first command is received from the image display apparatus by the command communication unit, wherein the control unit stops an operation of the image transmission unit without stopping an operation of the command communication unit if image data based on the HDMI is transmitted to the image display apparatus by the image transmission unit and a second command is received from the image display apparatus by the command communication unit, wherein the first command includes a command for requesting the image pickup apparatus to transmit image data to the image display apparatus, and wherein the second command includes a command for indicating that the image display apparatus received image data transmitted from the image pickup apparatus.