04768087 is referenced by 251 patents and cites 11 patents.

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 receivers 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.

Title
Education utility
Application Number
6/748037
Publication Number
4768087
Application Date
June 6, 1985
Publication Date
August 30, 1988
Inventor
Michael T Hills
Silver Spring
MD, US
Jack R Taub
Vienna
VA, US
Agent
Kenyon & Kenyon
Assignee
National Information Utilities Corporation
VA, US
IPC
H04N 17/06
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