GAME INFORMATION DISPLAY DEVICE

To make wrong fraudulent information difficult to be transmitted to an employee.SOLUTION: A game information display device 6 includes: a door opening notification unit which outputs to the outside a door opening notification signal S3 notifying of the door opening of a front door 72 based on a door opening input signal S2 by receiving the door opening input signal S2 indicating that the front door 72 of a game machine 7 is opened from the outside; and an invalidation processing unit which performs invalidation processing for invalidating the door opening notification signal S3 during a prescribed invalidation period Tw when receiving a lock release signal S1 indicating that the lock state of the front door 72 is released from the outside together with the door opening input signal S2.SELECTED DRAWING: Figure 2 【課題】従業者に誤った不正情報が伝達されにくくする。【解決手段】遊技情報表示装置６は、外部から遊技機７の前扉７２が開扉されていることを示す開扉入力信号Ｓ２を受け、開扉入力信号Ｓ２に基づいて前扉７２の開扉を通知する開扉通知信号Ｓ３を外部に出力する開扉通知部と、開扉入力信号Ｓ２とあわせて、外部から前扉７２のロック状態を解除させることを示すロック解除信号Ｓ１を受けた場合に、所定の無効期間Ｔｗの間、開扉通知信号Ｓ３を無効化させる無効化処理を行う無効化処理部とを備えている。【選択図】図２