System and method for automated checkout
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing automated checkout systems face issues with weight measurement accuracy due to shelf flexing under heavy objects, inefficient use of shelf space, and increased installation costs from cabling requirements, particularly in smart shelving subsystems.
Innovation Solution
A smart shelving system with a sensing assembly comprising load cells strategically placed within a measurement section of the sensing plate, allowing for accurate weight measurement and efficient use of space, coupled to a base assembly via load cells and connected to a shelf controller for power and data transmission using Power over Ethernet, reducing cabling needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If load cells are placed at the corners of the shelf to measure weight, then weight measurement is enabled, but measurement accuracy deteriorates due to shelf flexing under heavy objects
Solution Approach 1:
The patent extracts the measurement function from the shelf structure itself by placing load cells in a separate sensing assembly that is coupled to the shelf. This separation allows the sensing plate to be specifically designed for measurement without being affected by the structural flexing of the main shelf, thereby improving measurement accuracy while maintaining shelf integrity.
Solution Approach 2:
The sensing plate acts as an intermediary between the shelf and the load cells. It transfers the weight information from items placed on the shelf to the load cells, which are positioned in a location less susceptible to flexing. This intermediary structure enables accurate weight measurement while isolating the measurement mechanism from the harmful flexing effects.
2Reliability
If traditional cabling is used for power and data transmission in smart shelving, then reliable connection is achieved, but installation cost increases
Solution Approach 1:
The patent implements Power over Ethernet (POE) technology that combines power transmission and data communication into a single Ethernet cable. This multi-functional approach eliminates the need for separate power and data cabling, reducing installation complexity and cost while maintaining reliable connections for both power supply and data transmission.
3Adaptability or versatility
If shelf space is used for traditional checkout systems, then functionality is provided, but SKU density decreases
Solution Approach 1:
The patent implements automated checkout functionality through smart shelving with integrated sensing assemblies that automatically detect items, track their locations, and enable checkout without manual intervention. This self-service capability eliminates the need for traditional checkout counters and cashiers, thereby freeing up shelf space and increasing SKU density while maintaining versatile checkout functionality.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides accurate weight measurements, enhances SKU density, and reduces installation costs by minimizing cabling and improving shelf space utilization, while maintaining efficient power and data transmission.
Implementation Method 1
each of the plurality of lanes comprising at least one sensing plate coupled to a plurality of load cells, the plurality of load cells coupled to the at least one sensing plate and the base assembly
Data Source
AI summary
A shelf comprising a sensing assembly and a base assembly, further wherein: the sensing assembly comprises a plurality of lanes, each of the plurality of lanes comprising at least one sensing plate coupled to a plurality of load cells, the plurality of load cells coupled to the at least one sensing plate and the base assembly, and the plurality of load cells located within a measurement section.