1
John W Evans: Capacitance-variation-sensitive touch sensing array system. Integrated Touch Arrays, Edward W Callan, March 22, 1988: US04733222 (238 worldwide citation)

A capacitance-variation-sensitive touch sensing array system includes an array of electrodes where each electrode is a connected series of conductive tabs and forms either a row or a column of the electrode array; an array of drive lines where each drive line is capacitively coupled to a plurality o ...


2
Evans John W: Capacitance-variation-sensitive touch sensing array system.. Integrated Touch Arrays, August 7, 1985: EP0150421-A1 (5 worldwide citation)

A capacitance-variation-sensitive touch sensing array system including an array of antenna lines; and an array of touch elements, with each touch element being coupled to at least one antenna line of the antenna line array to vary the capacitance between each of the coupled antenna lines and ground ...