Device for graphic communication

摘要

This invention relates to a device which can be used as a telautograph to send graphic messages via telephone lines and provide real time graphic communication between two or more stations. Handwriting and sketches or drawings can be sent and received by the same device. A hard copy of the communicated messages is reproduced at each station. The device or a modified version of the device can also be used to communicate with a computer to record and retrieve graphic information on a tape recorder or it can be used as an X-Y plotter.