Accession Number : AD0163621
Title : Capacitively Coupled Graphic Input System.
Descriptive Note : Patent,
Corporate Author : OFFICE OF THE SECRETARY OF THE ARMY WASHINGTON D C
Personal Author(s) : Ellis,Thomas O. ; Davis,Malcolm R.
Report Date : 02 MAR 1971
Pagination or Media Count : 7
Abstract : The patent describes a graphic input device which includes an electrical tablet having an insulated wire screen in which two sets of parallel wires are disposed at right angles to each other and a stylus capacitively coupled to the tablet. The tablet wires are cyclically energized according to a binary coding pattern by a set of capacitively coupled encoding pads.
Descriptors : (*INPUT OUTPUT DEVICES, *PATENTS), GRAPHICS, COMPUTER PROGRAMMING
Distribution Statement : APPROVED FOR PUBLIC RELEASE