We present a multiplex system that creates the opportunity to use only two wires in sensor array applications, with arbitrary inter-sensor distances. The utility of this principle is shown by the realization of a CMOS prototype of this multiplexer.
Kölling, A., Koomen, S., Bergveld, P., & Seevinck, E. (1989). Two-lead multiplex system for sensor array applications. Sensors and actuators, 17(3-4), 623-628. https://doi.org/10.1016/0250-6874(89)80054-X