Patent ID: 6353485
Filing Date: 2002-03-05
Classification: H04N

Abstract:
An image input/output apparatus, including a carriage to which either a printhead for printing an image on a print medium or an image reading head for reading an original image is exchangeably attached, said apparatus for performing image output or original image reading by scanning the carriage according to a type of head attached to the carriage, said apparatus comprising:a scanning unit that scans said carriage; print period generation means for generating a printing period control signal corresponding to a period of driving said printhead; and reading period generation means for generating a reading period control signal corresponding to a period of a reading operation by said image reading head, the reading period control signal being based on a period of the printing period control signal, wherein when reading the original image with said image reading head being attached to the carriage, the reading operation is performed based on the reading period control signal generated by said reading period generation means, and wherein when printing the image with said printhead being attached to the carriage, the image printing by said printhead is performed based on the printing period control signal generated by said print period generation means.