Picture retrieval system, and record carrier and device for...

Details Picture retrieval system, and record carrier and device for... Picture retrieval system, and record carrier and device for...

G - Physics

11

B

G11B 27/10 (2006.01) G09G 5/391 (2006.01) G11B 21/08 (2006.01) G11B 27/034 (2006.01) G11B 27/11 (2006.01) G11B 27/28 (2006.01) G11B 27/30 (2006.01) G11B 27/32 (2006.01) H04N 7/26 (2006.01) H04N 9/80 (2006.01) H04N 9/804 (2006.01) H04N 9/877 (2006.01) H04N 9/888 (2006.01) G11B 27/00 (2006.01) H04N 5/775 (2006.01) H04N 5/781 (2006.01) H04N 5/85 (2006.01) H04N 5/92 (2006.01) H04N 9/82 (2006.01)

Patent

CA 2068886

A picture retrieval system is disclosed which comprises a record carrier (184) and a read device (11). A coded picture (8 TV, 16 TV, 64 TV, 256 TV composed of consecutive coded picture lines is recorded in a continuous track (20) of the recorded carrier (184). The read device comprises means which scan the track by means of a read head (280) to read coded picture lines recorded in the track and means for moving the read head (280) to a track portion having a selected address with a certain search accuracy. Together with the coded picture lines (APDB) a tine number (LN) and a line synchronization are recorded in the track (20). The line number specifies the sequence number of the relevant picture line in the coded picture. The line synchronization specifies the beginning of the relevant picture line. Moreover, addresses (ADLN#1,..., ADLN#1009) for a number of coded picture lines of the coded picture are recorded in a portion (IIDB) of the track, to specify the positions where the relevant picture lines have been recorded in the track (20). The device further comprises means (140) for searching a coded picture line on the basis of the ad-

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