Patent ID: 6081687
Filing Date: 2000-06-27
Classification: G03G,H04N

Abstract:
A copying machine for forming an image on a copying sheet according to image data of a moving document read by an image reader provided in a document reading position, comprising:a document feeder for feeding documents placed on a document tray to said document reading position one by one;a document detecting unit provided in a transport path in said document feeder for detecting a document passing through said transport path;a document size determining unit for determining the size of a document being transported in accordance with detection signals transmitted from said document detecting unit;a sheet feeder for feeding a copying sheet of a size selected in accordance with said determined document size;a memory for storing image data of a document read by said image reader;a printer for forming an image on a copying sheet fed from said sheet feeder in accordance with said image data; anda controller for controlling the operations of said image reader, said sheet feeder, and said printer so that image reading is started when the top end of a document reaches said document reading position even if said document size determining unit has not yet determined the size of said document, image data of said document are written into said memory, feeding of a copying sheet of a selected size is started even if said image reading has not been finished at the time of determining said document size, reading of said image data from said memory is started, and an image is finally formed on said selected size copying sheet.