Data communication device for implementing accurate data communi

Details Data communication device for implementing accurate data communi Data communication device for implementing accurate data communi

1996-08-23

1999-03-02

Tse, Young T.

Pulse or digital communications

Cable systems and components

307 60, 326 82, 326 83, 327108, H04L 1240

Patent

active

058780823

ABSTRACT:
An ECU for executing serial communication via a transmission line has a driver circuit. The driver circuit includes an integrator for integrating a transmission signal and a power source for generating a current which corresponds to the integrated value of the transmission signal and releasing the current to the transmission line. A terminal circuit for receiving a constant current smaller than a maximum current that the driver circuit can discharge is connected to the transmission line. Since the amount of output current from the driver circuit is gradually changed, the generation of noise in the transmission line can be prevented. Further, since the voltage of the transmission line immediately changes to either a high or low level depending on the amount of output current, accurate data communication can be performed.

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