To provide thin-film transistor circuits used for a driving circuit that realizes a semiconductor display capable of producing an image with high resolution and high precision without image unevenness. If the created control information is first control information set temporarily in accordance with a notification from the communication node to be controlled, the control apparatus sets the first control information in the communication node without waiting to synchronize with the another control apparatus. Depressing the dome by pushing downward on it causes the lower layer of the first compartment to be ruptured without cutting or rupturing the upper layer, releasing the first component into the second compartment. The first clock board may monitor a phase difference between a first crystal clock signal and a feedback clock signal. For instance, the installation of the patch can be restricted from a time from during which a meeting has been scheduled for the end user or from a time during which a presentation has been scheduled for the end user and when the computer program is associated with presentation management.