Inventory management device

The invention provides an inventory management apparatus. An inventory management device (100) is provided with a mounting table (1) and an article sensor (3). A mounting table (1) mounts a beverage container (P). The article sensor (3) determines whether or not a beverage container (P) is placed on the placement table (1). The mounting table (1) has a light-transmitting part (11) that transmits light. The article sensor (3) has a light emitting unit (31), a light receiving unit (32), and a detection unit (33). The light-emitting part (31) emits light to the light-transmitting part (11). The light-receiving unit (32) receives light from the light-transmitting unit (11). The detection unit (33) detects information on the light received by the light receiving unit (32). 本发明提供一种库存管理设备。库存管理设备(100)具备载置台(1)和物品传感器(3)。载置台(1)载置饮料容器(P)。物品传感器(3)判断在载置台(1)上是否载置有饮料容器(P)。载置台(1)具有透射光的透光部(11)。物品传感器(3)具有发光部(31)、受光部(32)以及检测部(33)。发光部(31)向透光部(11)发射光。受光部(32)接收来自透光部(11)的光。检测部(33)检测受光部(32)接收到的光的信息。