We have developed a Hybrid Color Slow-Scan TeleVision device incorporating a fax modem for compatibility with both analog telephone line and internet networks to support telemedicine in developing nations. This Hybrid Color Slow-Scan TeleVision device enables transmission and reception of color medical images over an analog telephone network, while utilizing the same compression method as a facsimile machine designed for use of the same analog telephone line. We believe that developing countries have a great need for such Hybrid Color Slow Scan TeleVision devices with facsimile machine compatible compression when the need for telemedicine arises and the only available method of transmission is over an analog telephone network. We field tested the device in a developing country and proved it capable of transmitting ultra-sound images of sufficient quality for telemedicine application.
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