G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/007 (2006.01) G06F 17/30 (2006.01) G11B 20/10 (2006.01) G11B 20/12 (2006.01) G11B 27/10 (2006.01) G11B 27/28 (2006.01) H04N 5/92 (2006.01) H04N 5/926 (2006.01)
Patent
CA 2056014
A data disc, on which there are recorded main text data including map data for displaying a picture, map data pointer information as pointer information for the map data, item data for retrieving the main text data, display position data indicating the display position of the item data on a display screen, and address data for reading out data corresponding to different items. The data disc is reproduced so that the map data are read out from the disc at the same time that the item data are displayed in superimposition on the display screen at a position indicated by the display position data of the read-out map data, and output data corresponding to the item data are read out from the main text data on the basis of the address data for unifying the data recording format and retrieval method to enable reciprocal retrieval of the letter data, map data and voice data.
Gowling Lafleur Henderson Llp
Sony Corporation
LandOfFree
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