Method and apparatus for controlling positions of members provid

Details Method and apparatus for controlling positions of members provid Method and apparatus for controlling positions of members provid

1997-07-17

1999-01-12

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

34082531, 340505, 340526, 701 36, 701 49, H04Q 100

Patent

active

058595937

ABSTRACT:
The positions of position-controlled members provided on a car, for example, the driver's seat, steering wheel and mirrors, are controlled by a host position control unit through a plurality of position control units which are controlled on the basis of control signals transmitted from the host position control unit. After receiving the signal transmitted from the host position control unit, each position control unit sends a 1-pulse answer signal to the host position control unit through a returning unit. When the returning unit sends no answer signal in response to a control signal transmitted from the host position control unit, an abnormality recognizing device recognizes the fact that there is an abnormality in the communication system. Accordingly, any abnormality occurring in the communication system is promptly detected and it is therefore possible to quickly cope with the abnormal situation.

REFERENCES:
patent: 4204255 (1980-05-01), Cremer
patent: 4399502 (1983-08-01), MacDonald et al.
patent: 4538264 (1985-08-01), Bahr
patent: 4660140 (1987-04-01), Illg
patent: 4754255 (1988-06-01), Sanders
patent: 4893240 (1990-01-01), Karkouti
patent: 4928096 (1990-05-01), Leonardo et al.
patent: 4940963 (1990-07-01), Gutman et al.

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