×

Navigation system data recordable by user, recording medium thereof, and methods for recording/reproducing to/from the same

  • US 5,535,125 A
  • Filed: 04/17/1995
  • Issued: 07/09/1996
  • Est. Priority Date: 12/30/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A navigation system comprising:

  • a position sensor for detecting a present position information upon receipt of a radio wave from a satellite and for outputting a position information signal;

    user manipulation means for allowing the user to operate said system and for outputting first control signals;

    navigation control means, responsive to the first control signals and the position information signal, for calculating a present display position and for generating second control signals and a present display position signal;

    recording means, controlled by said second control signals, for recording user digital data from said navigation control means in a second area of an optical disc;

    reproducing means, controlled by said second control signals, for reproducing map digital data which has been recorded preliminarily in a first area of said optical disc, and said user digital data recorded in said second area of said optical disc; and

    display means for displaying a predetermined display image in accordance with a reproducing signal obtained from said reproducing means and the present display position signal obtained from said navigation control means.

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