Automobile multiple communication system operable under low powe

Details Automobile multiple communication system operable under low powe Automobile multiple communication system operable under low powe

1996-07-18

1998-02-10

Holloway, III, Edwin C.

Communications: electrical

Continuously variable indicating

With meter reading

34082512, 370464, G05B 2302

Patent

active

057173869

ABSTRACT:
A multiplex communication system used in an automobile achieves a low-power-consumption operation of a plurality of child stations. The multiplex communication system includes a parent station having a judging unit for judging whether or not a present communication mode of the communication system corresponds to one of a normal communication mode and a low-power-consumption mode, and a control unit for controlling the parent station and a child station to enter either a normal or a low-power communication mode. The system also includes at least one child station having a first detection unit for detecting a normal operation condition of the child station, a second detection unit for detecting that no input signal is being supplied from the parent station to the child station, and a condition changing unit for changing a low-power consumption operation of the parent station into a normal operation condition based on outputs of the first and second detection units.

REFERENCES:
patent: 4155075 (1979-05-01), Weckenmann et al.
patent: 4528662 (1985-07-01), Floyd et al.
patent: 4628308 (1986-12-01), Robert
patent: 5121386 (1992-06-01), Wolfsgruber et al.
patent: 5161151 (1992-11-01), Kimura et al.

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