111. EXPERIMENTS
The prototype system was evaluated using real-time telediagnosis
of heart disease, via 128-Kbps ISDN connections
between Nara and Sapporo, and Nara and Kurashiki, and at
two virtual sites in our laboratory in Nara via a local network.
These experiments involved physicians (Fig. 10) and
postgraduate students of the Nara Institute of Science and
Technology who filled the technician’s role (Fig. 11).
In this test, the authors evaluated the utility of the proposed
system, and the accuracy of the transmitted instructions