To provide a lottery apparatus increasing the winning probability of a superior customer having a high sales contribution level as well as probability of winning a higher prize.
A winning probability table for storing winning probability in each rank of sales contribution levels and a rank-based prize distribution table for storing a prize distribution ratio for winning in each rank of the sales contribution levels are prepared. Then the winning probability corresponding to the rank of a sales contribution level determined on the basis of customer's sales result information is acquired from the winning probability table. Further, a prize distribution ratio corresponding to the rank of the sales contribution level determined on the basis of the sales result information is acquired from the rank-based prize distribution table. Then a lottery is executed on the basis of the winning probability, winning or failure is determined, and when winning is determined, a prize is determined on the basis of the prize distribution ratio, and service corresponding to the prize is executed.
COPYRIGHT: (C)2008,JPO&INPIT
| JP2001236541A | 2001-08-31 | |||
| JP2003077063A | 2003-03-14 | |||
| JP2002099802A | 2002-04-05 | |||
| JP2004094470A | 2004-03-25 | |||
| JP2001052227A | 2001-02-23 | |||
| JP2005021235A | 2005-01-27 |
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto