| 摘要 |
PROBLEM TO BE SOLVED: To provide a game system of a game machine that can appropriately determine an excess state of the number of enclosed balls even regardless of during non-occupation and occupation and encloses and circulates a fixed number of game balls to execute a game.SOLUTION: In a ball supply passage 37 for supplying a game ball to a shooting device, a first ball shortage detection sensor 54 and a first ball excess detection sensor 57, which determine whether the number of enclosed game balls is excessive or in shortage when a player is occupying a game machine, and a second ball shortage detection sensor 55 and a second ball excess detection sensor 56, which determine whether the number of enclosed game balls is excessive or in shortage when a player is not occupying a game machine, are disposed. The first ball shortage detection sensor 54 is provided at a downstream side of the second ball shortage detection sensor 55, and the first ball excess detection sensor 57 is provided at an upstream side of the second ball excess detection sensor 56. |
