Multiple transmission apparatus

Details Multiple transmission apparatus Multiple transmission apparatus

1995-03-30

1998-11-10

Ghebretinsae, Temesghen

Pulse or digital communications

Transmitters

370251, 455343, 34082516, H04L 2704, H04J 314

Patent

active

058355375

ABSTRACT:
A multiplex transmission apparatus, having a communication control circuit for carrying out transmit-receive control of a frame of data transmitted through a bus, and an output port for outputting data in frame received by the communication control circuit. The multiplex transmission apparatus is operated by a power supply voltage supplied from a power supply circuit to perform data communication with another multiplex transmission apparatus via a bus. First and second low voltage detection circuits, when detecting preset voltage values V.sub.L and V.sub.R of a power supply voltage, reset the communication control circuit and the output port. This multiplex transmission apparatus keeps the output of the output port in a normal condition despite relatively small variations in the power supply voltage (i,e., where V.sub.L .gtoreq.power supply voltage>V.sub.R).

REFERENCES:
patent: 4942571 (1990-07-01), Moller et al.
patent: 4987317 (1991-01-01), Pournain et al.
patent: 5450403 (1995-09-01), Ichii et al.
patent: 5513175 (1996-04-01), Ichii et al.

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