Patent · US Expired

Identification device of a manual action on a surface, in particular for a timeplace

US6184871A · kind A · utility

48Cited by
13References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 17, 1997
Grant dateFeb 6, 2001
Priority date
Expiry dateOct 17, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04G21/08
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Device arranged to identify a manual action on a surface performed by a finger (32), comprising a set of sensors (41) each actuable by the finger so as to create a variation of an electrical quantity, these sensors being respectively arranged within a corresponding set of determined zones of the surface. The device further comprises first detection means (42) for detecting, amongst a subset of said sensors (41) which are activated simultaneously, that actuated sensor representing the greatest variation of the electrical quantity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.