×

Data input device

  • US 4,369,440 A
  • Filed: 03/10/1981
  • Issued: 01/18/1983
  • Est. Priority Date: 03/14/1980
  • Status: Expired due to Term
First Claim
Patent Images

1. A data input device comprising a plurality of responsive sensors, a display device and control means for causing progression in a selected direction of a sequence of symbols on the display device in response to actuation of the sensors, said control means being arranged to control the progression of the symbols in a direction and at a speed which are variable in response to actuation of the sensors and also to provide for progression of the symbols in an acquired direction between two successive actuations of the sensors.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×