Patent attributes
Systems, computer-readable instructions, and methods for storing products are disclosed. For example, the system may include modular shelving units that include a shelf which is placeable on a rack, the shelf including a platform, the shelf having a weight sensor below the platform, the platform is configured to support N number of holders, each of the N holders configured to store products, each shelf further having N−1 optical sensors below the N−1 holders when the N−1 holders are supported by the platform and N−1 windows above the N−1 optical sensors, the N−1 optical sensors being in proximity of the N−1 holders, respectively, wherein each holder includes an opening, wherein when a holder is on the shelf, the opening is capable of being aligned with an optical sensor, the shelf further having a processing circuit coupled to the N−1 optical sensors and the weight sensor.
