Patent Catalogue

Recording disc consisting of single spiral land and groove tracks with radially shifted sector header

A land track and a groove track is alternately connected, divided into sectors with sector header, which is radially shifted.

  • Enables easy detection of the land and groove connecting point.
  • Enables continuous recording or reproduction over the entire surface of the disc.


  • DVD Specifications for Rewritable
  • Disc: Part I, Index 2.6.2, 2.6.3, 5.1.1, 5.1.3,; Fig.

[Offering Patent]

  • USP 5,946,285

back to preceding page

Back to top.