PURPOSE: To improve the efficiency and precision of a seal impression collating operation by reading desired seal impression data from a storage device according to a command from a keyboard or the like, and flashing projection- displaying the desired seal impression data at a seal impression part on a document in a real size.
CONSTITUTION: This device is equipped with a control part main body 1 which controls each part, external storage device 2 such as a magnetic disk which stores the seal impression data of a registered seal or the like, keyboard 3 which gives a command to the control part main body 1 in order to select the required seal impression data, output control part 4, and projector 5. The registered seal impression data selected from the external storage device 2 by the control part main body 1 are displayed on a plane in the real size by the projector 5. An operator retrieves the seal impression data of the registered seal to be collated from the keyboard 3, the retrieved registered seal impression data are transmitted from the external storage device 2 to the control part main body 1, and displayed on the plane in the real size by the projector 5 by the output control part 4.
