Communications subsystem having a direct connect clock

Details Communications subsystem having a direct connect clock Communications subsystem having a direct connect clock

1980-10-06

1983-09-27

Gruber, Felix D.

Boots, shoes, and leggings

364900, G06F 302, G06F 304

Patent

active

044070144

ABSTRACT:
Direct connect devices such as cathode ray tube displays are coupled to a communications controller through a long cable and a flexible line adapter package. Apparatus in the controller generates a clocking signal which is applied to a Universal Synchronous Receiver Transmitter (USRT) and to the direct connect device. The USRT receives data from a microprocessor and transmits a stream of data signals synchronized to the clocking signal. The data signals and the clocking signals are received by the direct connect device. The clocking signals strobe the data signals approximately in the center of a data pulse since transmission delays for the data signals and the clocking signals are approximately equal.

REFERENCES:
patent: 3906163 (1975-09-01), Brenski et al.
patent: 4041469 (1977-08-01), Jennings
patent: 4064561 (1977-12-01), Jennings

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