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