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    • 7. 发明申请
    • Weight scale fault detection
    • 重量级故障检测
    • US20080141755A1
    • 2008-06-19
    • US11639075
    • 2006-12-14
    • Thomas V. Edwards
    • Thomas V. Edwards
    • G01G19/56
    • G01G19/4144G01G23/3728G01G23/3735G07G1/0036G07G1/0072
    • A self-service checkout terminal includes a scanner and a weight scale. The customer passes each item past the scanner to identify the item and obtain weight data for that item from a centralized database, including a mean weight and a standard deviation. An error value is calculated from the measured weight of each item and the weight data. The error value of all items scanned during the common transaction are summed to produce an accumulated error for the particular weight scale during that transaction. This accumulated error is compared to a threshold value to determine whether a fault condition exists at the weight scale.
    • 自助结帐终端包括扫描仪和称重秤。 客户将每个物品通过扫描仪,以识别物品,并从集中数据库中获得该物品的重量数据,包括平均重量和标准偏差。 根据每个项目的测量重量和重量数据计算误差值。 在通用事务期间扫描的所有项目的错误值相加,以在该事务期间产生特定权重量表的累积误差。 将该累计误差与阈值进行比较,以确定在重量级别是否存在故障条件。
    • 10. 发明授权
    • Point-Of-Sale (POS) direct support of self-checkout
    • 销售点(POS)直接支持自助结帐
    • US09454757B2
    • 2016-09-27
    • US13334253
    • 2011-12-22
    • Thomas V. Edwards
    • Thomas V. Edwards
    • G06Q20/00G06Q20/20G07G1/00
    • G06Q20/20G07G1/0009
    • Techniques for Point-Of-Sale (POS) direct support of Self Checkout (SCO) are provided. A checkout station is configured with software to support two different interfaces and workflows: one interface and workflow supporting SCO on the checkout station and the other interface and the other workflow supporting assisted checkout operation. The checkout station can be dynamically switched between the two modes of operation, such that the checkout station is usable within an enterprise for both cashier assisted operations for customers and for self-service checkout operations performed by customers without assistance.
    • 提供销售点技术(POS)直接支持自检(SCO)。 支票台配置有支持两种不同接口和工作流程的软件:支持SCO的接口和工作流程,另一个接口和支持辅助结账操作的其他工作流程。 检查站可以在两种操作模式之间动态地切换,使得检验站在企业内可用于客户的出纳辅助操作以及在没有帮助的情况下由客户执行的自助结帐操作。