A record Support comprising a substrate in the form of Disk and apparatus for reading Said support.

摘要

Support for Registration in the form of disk with information encoded with a Modulation whose Power Spectrum has a zero point at the repetition frequency of bits. Comprises a Body (1) of Record Support, provided with a Spiral track is divided into sectors (4) to (7).Each sector is an area (9) and an Information Area (8) of Synchronism, which is Modulated at a Frequency for which the digital information contained in them has a zero point in the Spectrum. A Beam of radiation Records Information in the layer of Tellurium Coating the Grooves (4), used as Track Automatic Correction.