Methods and apparatus for inclusion of TLB in processor micro-op caches are disclosed. When the automatic following is started, a CPU of the pan head controller chooses a shooting among the shootings registered in the memory according to a center position of a subject inputted from an image processing device so that the subject is in a frame of a camera, and transmits a control signal to a pan head for the shooting. According to a \u201cconnection pooling\u201d aspect of the invention, the interface unit opens and maintains connections with the servers and handles the opening and closing of connections with clients accessing the servers, thereby freeing the servers of the processing load incurred by opening and closing connections. The end flange may be attached to the spool body in a number of positions, e.