Automobile multiplex data communication method and system capabl

Details Automobile multiplex data communication method and system capabl Automobile multiplex data communication method and system capabl

1997-03-07

1998-08-04

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

307 101, 34082516, 34087016, 340511, 340526, H04Q 100

Patent

active

057900426

ABSTRACT:
An automobile multiplex data communication system includes: a plurality of child stations; a parent station for controlling a multiplex data communication established with the plurality of child stations; and a signal transmission path for mutually connecting the parent station with said plurality of child stations. The parent station is arranged by a storage unit for storing data about a condition-stabilizing time period specific to the operation member, defined by a time duration after the operation member has been manipulated until an operation condition becomes a stable condition; a first operation-condition detecting unit for detecting at least two successive operation conditions of the operation member connected to the communication unit of each child station to produce first and second operation-condition detection data; a condition-change detecting unit for detecting a change in at least the two successive operation conditions of the operation member; a second operation-condition detecting unit for detecting another operation conditions of said operation member after the operation condition change has been detected by the operation-change detecting unit and when the operation-stabilizing time period specific to the operation member has elapsed, thereby producing third operation-condition detection data free from an adverse influence caused by a chattering phenomenon of the operation member; a setting unit for setting a drive instruction of the terminal unit based upon the third operation-condition detection data; and a transmission unit for transmitting the drive instruction to the child station with the operation member whose operation condition has been detected as the third-condition detection data.

REFERENCES:
patent: 3568147 (1971-03-01), Gilson
patent: 3737858 (1973-06-01), Turner
patent: 4085403 (1978-04-01), Meir
patent: 4155075 (1979-05-01), Weckenmann
patent: 4930095 (1990-05-01), Yuchi
patent: 4942571 (1990-07-01), Moller
patent: 5136275 (1992-08-01), Madau

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