×

Computer input device

  • US 6,198,470 B1
  • Filed: 12/28/1998
  • Issued: 03/06/2001
  • Est. Priority Date: 12/28/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. A digital input device for entering data into a digital system, comprising at least a first and a second remote sensor and a control unit, wherein a working area is set in proximity to the remote sensors and wherein parameters, within the working area, of a position of an object are detected by the input device based on data provided by each sensor and transmitted, by said control unit, to said digital system, and parameters outside said working area, of said object, if detected by said input device are rejected by said control unit and are not transmitted to said digital systems, wherein the second sensor is placed perpendicularly to the first sensor and an angle subtended by the object with an axis normal to at least one of said sensors, is ignored in obtaining the distance of the object from said sensor.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×