Simultaneous two-way communication system using a single communi

Details Simultaneous two-way communication system using a single communi Simultaneous two-way communication system using a single communi

1995-02-01

2000-08-22

Nuton, My-Trang

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

H03D 100

Patent

active

061078387

ABSTRACT:
A circuit is provided for transmitting and receiving digital signals at a single circuit point simultaneously without significant interference with the output signal. The circuit monitors current flow at the common pin and converts the current flow to a voltage potential between circuit points as a function of the status of the output and input signals at the pin. In other words, the voltage potential between the preselected circuit points defines the status of the input based on the status of the output. Therefore, regardless of the status of the output from a first device, the status of the input at the common pin can be determined by monitoring the voltage potential between the two circuit points.

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patent: 5377149 (1994-12-01), Gaultier
patent: 5406147 (1995-04-01), Coyle et al.

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