Multiplex communications – Wide area network – Packet switching
Patent
1987-12-08
1989-12-12
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
307 101, H04J 300
Patent
active
048872636
ABSTRACT:
An automotive vehicle having a control switch and at least two controlled elements includes a multiplex system having a central controller, at least one control bus coupled to the controller, and remote stations which apply a multiplexed data signal to the control bus indicative of the state of the switch and which demultiplex and store control signals from the controller for controlling activation of the first and second elements. The controller is programmed to set the control signals in accordance with the switch signal and in accordance with a status signal indicative of the state of the vehicle. The status signal can indicate whether any of the doors has been opened. By using a single control switch to perform multiple functions, depending upon the state of the vehicle, the total number of switches and therefore the cost of the system is reduced.
REFERENCES:
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patent: 4276640 (1981-06-01), McNamee et al.
patent: 4293947 (1981-10-01), Brittain
patent: 4370561 (1983-01-01), Briggs
patent: 4435648 (1984-03-01), Good, III
patent: 4682168 (1987-07-01), Chang et al.
patent: 4683975 (1987-08-01), Booth et al.
AMP Incorporated
Jung Min
Olms Douglas W.
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