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1. WO1997030429 - SURFACE POSITION LOCATION SYSTEM AND METHOD

Publication Number WO/1997/030429
Publication Date 21.08.1997
International Application No. PCT/US1997/001717
International Filing Date 11.02.1997
Chapter 2 Demand Filed 04.08.1997
IPC
G06F 3/033 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
033Pointing devices displaced or positioned by the user; Accessories therefor
CPC
G06F 3/04166
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
0416Control or interface arrangements specially adapted for digitisers
04166Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
G06F 3/0441
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
044by capacitive means
0441using active external devices, e.g. active pens, for receiving changes in electrical potential transmitted by the digitiser, e.g. tablet driving signals
G06F 3/0444
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
044by capacitive means
0444using a single conductive element covering the whole sensing surface, e.g. by sensing the electrical current flowing at the corners
Applicants
  • EXPLORE TECHNOLOGIES INC. [US]/[US]
Inventors
  • CONROY, David
  • FLOWERS, Mark
Agents
  • JONES, Allston, L.
Priority Data
08/601,71915.02.1996US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SURFACE POSITION LOCATION SYSTEM AND METHOD
(FR) SYSTEME ET PROCEDE DE LOCALISATION D'UN ENDROIT SUR UNE SURFACE
Abstract
(EN)
An electrographic sensor unit includes a layer of a conductive material having an electrical resistivity and a surface, at least three spaced apart contact points (12, 14, 16) electrically inter-connected with a layer of a conductive material, a processor (30) connected to the spaced apart contacts and disposed to selectively apply a signal to each of the contact points, a stylus (20) coupled to the processor to receive signals from the layer when the contact points have signals selectively applied.
(FR)
Une unité de capteur électrographique comprend une couche de matière conductrice présentant une résistivité électrique et une surface, au moins trois points de contact espacés (12, 14, 16) reliés entre eux électriquement par une couche de matière conductrice, un processeur (30) connecté aux points de contact espacés et disposé de manière à appliquer sélectivement un signal sur chacun des points de contact, et un stylet (20) couplé au processeur pour recevoir des signaux de la couche lorsque des signaux sont sélectivement appliqués sur les points de contact.
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