Patent ID: 9002193
Filing Date: 2015-04-07
Classification: H04N

Abstract:
1. A camera to which a lens unit is attachable and from which the lens unit is detachable, the camera comprising: a camera communication unit configured to communicate with the lens unit; and a camera controller configured to control the camera communication unit, wherein the camera communication unit is configured to change a voltage applied to a communication terminal used for a communication with the lens unit, and wherein the camera communication unit is configured to communicate with the lens unit using one of a first communication mode and a second communication mode, the first communication mode setting the voltage applied to the communication terminal to a first range and enabling the communication with the lens unit using a communication method of a first communication speed, and the second communication mode setting the voltage applied to the communication terminal to a second range that is located on a lower voltage side than the first range and enabling the communication with the lens unit using a communication method of a second communication speed higher than the first communication speed.