Sensor Data Distribution Unit for Value Document Processing
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Solution Overview
Problem
Value-document processing apparatuses face challenges in efficiently distributing and processing high volumes of sensor data from increasingly high-resolution sensors, leading to data throughput bottlenecks and increased complexity in sorting and authentication processes.
Innovation Solution
A method and system for distributing sensor data using a distributing unit with multiple data interfaces, which creates and relays sensor data packets with target addresses to processing units, allowing direct memory access without elaborate copy operations, and enabling flexible adaptation of data distribution by specifying relaying parameters and target addresses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If high-resolution sensors are used to check bank notes, then measurement precision is improved, but data throughput decreases due to large data volumes
Solution Approach 1:
The patent divides the data transmission system into multiple parallel data interfaces (e.g., multiple PCIe lanes) between the sensor and processing unit. Each interface handles a portion of the sensor data simultaneously, effectively segmenting the data flow to increase overall throughput while maintaining high-resolution sensing capabilities
Solution Approach 2:
The patent transitions from a single-dimensional data transmission path to a multi-dimensional parallel transmission architecture by implementing multiple data interfaces operating simultaneously. This dimensional expansion allows proportional scaling of data throughput with the number of interfaces while preserving sensor resolution
2Productivity
If the number of processing units is increased to handle high data volumes, then productivity is improved, but device complexity increases
Solution Approach 1:
The patent implements a universal data interface design that can accommodate multiple processing units through a standardized multi-interface architecture. This universal interface structure allows the system to scale processing capacity by adding interfaces rather than fundamentally redesigning the system architecture, thereby managing complexity while increasing productivity
3Productivity
If data is transmitted through multiple processing units, then productivity is improved through parallelization, but loss of time increases due to data routing overhead
Solution Approach 1:
The patent pre-configures the data routing paths and interface assignments before data transmission begins. By establishing the data flow topology in advance, the system eliminates runtime routing decisions and associated overhead, allowing parallel processing units to operate efficiently without time loss from dynamic data distribution
Data Source
AI summary
Methods involve distributing a data stream in a value-document processing apparatus from at least one sensor to at least one processing unit and a system for distributing sensor data. The value-document processing apparatus has a distributing device and at least one processing unit. The distributing device comprises at least two data interfaces. A sensor data packet is created and comprises the sensor data and a target address. The target address describes a physical memory address of the at least one processing unit. The sensor data packet is sent to one of the data interfaces of the distributing device. The distributing device receives the sensor data packet at a further data interface. The sensor data packet is relayed by the distributing device to the at least one processing unit.