Apparatus for connecting analogue=to=digital converter to JPEG compression device has output control unit which sequentially reads picture block from memory in response to control signal

摘要

The apparatus includes a read control unit (22) which is connected to the A/D converter (26), for sequentially reading a certain number of picture lines from the data output of the A/D converter, and generating a control signal after the reading is finished. A memory (24) is connected to the read control unit, for storing a predetermined number of picture lines. An output control unit (23) sequentially reads a picture block from the memory in response to the control signal, and supplies it to the JPEG compression device (27). The A/D converter may be connected to a CCD chip, contact image sensor, or digital camera. An Independent claim is included for a method of connecting an A/D converter to a JPEG compression device.