Index information recording method for picture information filing system
AssigneeTokyo Shibaura Denki Kabushiki Kaisha
InventorsTomohisa Yoshimaru, Kazuhiko Iida
Life of this patent
Estimating the term…
Loading patent…
AssigneeTokyo Shibaura Denki Kabushiki Kaisha
InventorsTomohisa Yoshimaru, Kazuhiko Iida
Estimating the term…
In a picture information filing system using an endless magnetic tape (43), which has a plurality of picture information recording tracks (48.sub.2) for a plurality of units of recording two-dimensional picture information (3) in predetermined blocks and an index information recording track (48.sub.1) for recording index information for the individual unit picture information, the index information is temporarily stored in a random access memory (13) as unit index information groups each consisting of a predetermined number of index information items, recording start index information consisting of a peculiar code and an address representing the position from which to record the next picture information is added to the last index information item in the last index information group, and the individual index information groups are recorded in predetermined blocks of the index information recording track, each index information group in each particular block.
In a system in which given information is recorded on or reproduced from a recording medium, which has a plurality of information recording tracks having a plurality of information recording blocks and at least one index recording track for recording index information peculiar to corresponding information other than the index information, these tracks extending in the direction of running of said recording medium, by moving said recording medium and moving a recording/reproducing head in a direction perpendicular to the direction of movement of said recording medium to a position corresponding to a selected information recording track, a method of recording index information comprising the steps of:
In a system in which given information is recorded on or reproduced from a recording medium, which has a plurality of information recording tracks having a plurality of information recording blocks and at least one index recording track for recording index information peculiar to corresponding information other than the index information, these tracks extending in the direction of running of said recording medium, by moving said recording medium and moving a recording/reproducing head in a direction perpendicular to the direction of movement of said recording medium to a position corresponding to a selected information recording track, a method of recording index information comprising the steps of:
Dependencies are inferred from the claim text.