发明名称 |
EDUCATION UTILITY |
摘要 |
<p>A system for distributing educational information in digital form to a plurality of schools simultaneously transmits the information via a satellite (15) to FM stations (18) which retransmit to schools having receiver for receiving the information and a main computer (101) for storing the information. Access to the information is subsequently provided to a plurality of students via classroom computers (111) and individual terminals (121). Usage and performance data is automatically stored in the main computer ( 101 ) and sent to the sender by dial-up modem (105) to keep track of usage and to permit billing usage and royalty charges.</p> |
申请公布号 |
CA1262262(A) |
申请公布日期 |
1989.10.10 |
申请号 |
CA19860501814 |
申请日期 |
1986.02.13 |
申请人 |
NATIONAL INFORMATION UTILITIES CORPORATION |
发明人 |
TAUB, JACK R.;HILLS, MICHAEL T. |
分类号 |
H04B7/185;(IPC1-7):H04B7/185 |
主分类号 |
H04B7/185 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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