Various embodiments provide a system for moving optical elements. The display circuit comprises a circuit board, a flexible printed circuit board, and a driver. In one embodiment, the arms, shoulders and sleeve combine to define a generally U-shape frame adapted to be mounted to an article and wrap around the hips of the wearer. The annular groove 34a1 is provided such that a thickness t1 in a region provided with the groove bottom surface 34e0 is a thickness to allow the region to be deformable. The copying machine, serving as the image reading apparatus, reads an image of an original based on the information relating to the permissionprohibition, compresses an image signal representing the read image and transmits the compressed image signal to the copying machine, serving as the image forming apparatus. The resilient ring is restored to release the latching member from the portable computer.