Mailpiece Sorting Using Digital Fingerprints and OCR Routing
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Solution Overview
Problem
Existing mail sorting methods requiring multiple passes are complex, prone to errors, costly, and inefficient, especially during peak hours, leading to delays and reduced customer satisfaction.
Innovation Solution
A single-pass sorting method using digital image capture, address recognition, and unique digital fingerprinting to optimize mailpiece sorting, reducing processing time and personnel needs while enhancing accuracy and traceability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple sorting passes are used to ensure accurate sorting, then sorting accuracy is improved, but processing time increases and productivity decreases
Solution Approach 1:
The system performs preliminary actions by capturing the digital image and determining parameters during the first sorting pass, then uses this pre-acquired information to guide the second pass without requiring re-capture or re-analysis, thereby maintaining accuracy while improving overall processing efficiency
Solution Approach 2:
The sorting process is segmented into two distinct passes with different functions: the first pass captures data and determines parameters, while the second pass uses this pre-determined information for final sorting. This segmentation allows each pass to be optimized for its specific purpose, improving both accuracy and efficiency
2Reliability
If multiple sorting passes are implemented to improve sorting accuracy, then reliability is improved, but system complexity increases
Solution Approach 1:
The sorting machine is designed with universal capabilities to perform both data capture and final sorting functions in a single integrated system. The same hardware infrastructure supports multiple passes with different objectives, reducing the need for separate specialized systems and thereby managing complexity while maintaining reliability
3Manufacturing precision
If multiple sorting passes are used to ensure accurate sorting, then sorting precision is improved, but time consumption increases
Solution Approach 1:
The system performs preliminary data capture and parameter determination during the first pass, storing this information for later use. This preliminary action eliminates the need to re-capture or re-analyze during the second pass, significantly reducing the time required for the sorting operation while maintaining high precision
Solution Approach 2:
The system creates a digital copy of the mailpiece information (parameters and characteristics) during the first pass and stores it in memory. This digital copy is then referenced during the second pass instead of requiring physical re-examination, thereby maintaining sorting precision while minimizing time loss
Data Source
AI summary
The current invention relates to a method for sorting mailpieces in a sorting machine, wherein a digital image of a mailpiece is captured; reading the address details of the mailpiece based on the digital image; generating and storing a unique digital fingerprint for each mailpiece in a database, and linking the digital image, the address details, and parameters of the mailpiece to the digital fingerprint; matching the digital fingerprint of the mailpiece with a database of historical data to determine a distribution route for the mailpiece; and pre-sorting each mailpiece in a storage container, wherein the address of the mailpiece is recognized and recorded by optical character recognition (OCR) or similar technology.