Patent · US Expired

Modular retroactive keyboard and a flat modular actuator

US5107262A · kind A · utility

123Cited by
10References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 1989
Grant dateApr 21, 1992
Priority date
Expiry dateOct 12, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S84/07
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A modular retroactive keyboard fitted with keys permitting to send back to the user a perception characteristic of the key. Each key is an element of an independent flat and parallelepipedic module that includes a motor, a position detector and an electric connector. Each module further includes arrangement for fixing it to the adjacent module, and the keys are connected to a central processing unit for giving them the desired response by acting on the motor and for processing the detector signals.

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