[54] CD-ROM XA DATA DISC FEATURING DISPLAY POSITION DATA RECORDED THEREON
[75] Inventor: Norimasa Sasaki, Saitama, Japan
[73] Assignee: Sony Corporation, Tokyo, Japan
[21] Appl. No.: 436,873
[22] Filed: May 8,1995
Related U.S. Application Data
[63] Continuation of Ser. No. 794,935, Nov. 21, 1991, abandoned.
[30] Foreign Application Priority Data
Nov. 28, 1990 [JP] Japan 2-322687
[51] Int CI.6 G06F 17/30
[52] U.S. CI 395/611; 395/615
[58] Field of Search 395/600, 152,
395/615; 364/410, 875.1; 345/157
[56] References Cited
U.S. PATENT DOCUMENTS
Re. 30,666 7/1981 Mitchell et al 434/307 R
4,124,943 11/1978 Mitchell et al 434/307 R
4,357,635 11/1982 Hasegawa 360/51
4,649,380 3/1987 Penna 340/721
4,779,080 10/1988 Cougblinetal 364/200
5,019,816 5/1991 Hosono 341/77
5,107,343 4/1992 Kawai 358/341
5,151,975 9/1992 Shiraki et al 395/148
5,355,472 10/1994 Tomathom 395/600
OTHER PUBLICATIONS
Clair Whitmer, "Phillips, Sony, Microsoft Team to Develop CD-ROMXA", MacWeek, vol. 2, No. 38, Sep. 20, 1988, p. 5 Sep. 1988.
Russ Lockwood, "Size Up CD-ROM", Personal Computing, vol. 14JSTo. 7, Jul. 1990, pp. 70-76 Jul. 1990.
Primary Examiner—-Thomas G. Black
Assistant Examiner—Paul R. Lintz
Attorney, Agent, or Firm—-Limbach & Limbach L.L.P.
[57] ABSTRACT
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.
27 Claims, 9 Drawing Sheets
