Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP14752882Aexternal-prioritypatent/JPS5938911A/en
Priority claimed from JP57152752Aexternal-prioritypatent/JPS5943682A/en
Priority claimed from JP16101082Aexternal-prioritypatent/JPS5952403A/en
Priority claimed from JP58094182Aexternal-prioritypatent/JPS59221854A/en
Priority claimed from EP90103913Aexternal-prioritypatent/EP0378250B1/en
Application filed by Hitachi Ltd, Hitachi Video EngfiledCriticalHitachi Ltd
Application grantedgrantedCritical
Publication of ATE100624T1publicationCriticalpatent/ATE100624T1/en
Method and arrangement for recording pieces of information in a track of a record carrier and device for reading out a record carrier obtained in this way
Information signal recording and / or reproducing arrangement, recording medium and recording and / or reproducing device for use in such an arrangement and method and apparatus for producing such a recording medium.
Method of preventing rewriting of information only recorded on data holder and apparatus for recording and/or reading information for preventing said rewriting