Card for recording the number of game play media, a card dispensing device, and a card receiving device

摘要

PCT No. PCT/JP92/01307 Sec. 371 Date Apr. 8, 1994 Sec. 102(e) Date Apr. 8, 1994 PCT Filed Oct. 8, 1992 PCT Pub. No. WO93/06903 PCT Pub. Date Apr. 15, 1993A card on which at least the number of game play media paid out to a player from a game machine is recorded and which is issued to the player. The card comprises a substrate and a recording portion, disposed on the substrate, for recording data. The recording portion is a layer made of a substance whose physical properties reversibly change by heating for visibly recording data by local heating according to a heating pattern corresponding to an image of data to be recorded.