Multiplex wiring system for motor vehicles

Communications: electrical – Continuously variable indicating – With meter reading

Patent

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Details

34082559, 34082542, 34082591, H04Q 900

Patent

active

044255640

ABSTRACT:
A multiplex wiring system including a plurality of data line (n) from which (n.sup.2 -n) load devices may be either independently or simultaneously energized. The system includes a synchronizing unit for applying an enabling voltage to each data line in sequence which applies a deactivating voltage to the remaining lines. A transmitter and a receiver gate of substantially the same electronic circuit configuration are provided for each load and are connected to two of the data lines to be simultaneously enabled. The transmitter gate is activated by closure of an associated switch and overrides the deactivating input to its associated receiver which is thereby activated to energize the associated load. Each load device has associated therewith means for maintaining the load in an energized state during the time interval when its associated transmitter and receiver gates are disabled by the synchronizing unit.

REFERENCES:
patent: 3560940 (1971-02-01), Gaensslen
patent: 3587076 (1971-06-01), Grover
patent: 3942071 (1976-03-01), Krebs et al.

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