Apparatus and method for communication between host CPU and remote terminal
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United States of America Patent
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Oct 29, 1991
Issued Date -
N/A
app pub date -
Apr 20, 1989
filing date -
Dec 8, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A real-time, multiuser time-share, computer system is disclosed. The computer system is particularly adapted for running computer software written for individual personal computers, including software which requires the interactive exchange of high resolution computer graphics information. Data is transferred between the host computer and remote terminals over a very high speed serial data transmission line at a rate of, for example, 25 MHz. Fiber optic duplex cables connect a host controller with one or more remote terminals. One fiber optic cable carries the data from the host controller to the remote terminal and the other cable carries data from the remote terminal to the host controller. Specially dedicated, high speed, hardwired electronic logic, such as 74F series TTL hardwired logic, encodes the software commands, transfers the data over a serial data link, and decodes the data so that slower speed hardware may direct the data to the appropriate operating hardware. The data link can connect terminals in a real time, time-share network that enables remote stations to share hardware and software written for the single user, single tasking generation of personal computer without modification to the software, including software having high resolution, interactive graphics.
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