Record apparatus, record and playback system

Record card transducing apparatus and method

Record carrier and apparatus enabling seamless playback

Record carrier and apparatus for scanning the record carrier

Record carrier and apparatus for scanning the record carrier

Record carrier and apparatus for scanning the record carrier

Record carrier and apparatus for scanning the record carrier

Record carrier and apparatus for scanning the record carrier

Record carrier and scanning device

Record carrier body with a follow-on track and apparatus for rec

Record carrier body with an optical servo track and optical appa

Record carrier containing an audio and/or video signal which has

Record carrier containing information in an optically readable i

Record carrier decoder for multi-track data patterns including e

Record carrier for a magneto-optical disc memory having guide gr

Record carrier for thermo-magnetic recording and magneto-optical

Record carrier having a servo track with non-modulated parts...

Record carrier having a servo track with position...

Record carrier having a track including audio information and ad

Record carrier having an improved modulated servo track for...