Handheld Indicia Reader Symbology Feedback
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Solution Overview
Problem
Indicia reading devices face challenges in efficiently reading and decoding diverse symbology information, particularly in distinguishing between different symbologies to provide effective feedback and data extraction, especially in portable and wireless settings.
Innovation Solution
The implementation of a system that includes a hand-held indicia reader with feedback subsystems such as a display, LED, beeper, and speaker, along with a processor and communication module, which allows for customizable feedback and decoding of various 1D and 2D symbologies, and the ability to configure settings for specific applications, enabling distinctive notice for different symbologies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple symbology types are supported, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent divides the decoding functionality into separate, independent decoders for different symbology types (1D barcode decoder, 2D matrix decoder, stacked barcode decoder). Each decoder is specialized for its specific symbology type, allowing the system to support multiple formats without increasing overall complexity. The segmentation enables modular architecture where each decoder can be optimized independently.
Solution Approach 2:
The patent implements a universal decoding system that can handle multiple symbology types through a common architecture. The system uses a unified approach to detect, classify, and route different symbology types to appropriate decoders, providing multi-functionality without requiring separate complete decoding systems for each type.
2Loss of information
If distinctive feedback is provided for different symbologies, then information clarity is improved, but device complexity increases
Solution Approach 1:
The patent applies different feedback characteristics tailored to specific symbology types. For example, successful 1D barcode reads may trigger one type of visual or audible feedback, while 2D matrix code reads trigger different feedback patterns. This local differentiation provides clear information about what was read without requiring a completely separate feedback subsystem for each symbology type.
Solution Approach 2:
The patent utilizes visual feedback mechanisms such as LED indicators that can change color or illumination patterns to convey different information about successful reads of various symbology types. This provides distinctive notice for different symbologies using simple, low-complexity visual cues rather than complex feedback mechanisms.
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
Enables efficient data extraction and customizable feedback for users, improving the versatility and practicality of indicia readers by allowing for tailored responses to different barcodes, enhancing user experience and operational efficiency.
Implementation Method 1
an image sensor for converting light reflected off a target having an IBI provided thereon into representative output signals thereof
Implementation Method 2
a laser generator for generating a laser beam, and a scanner for deflecting the laser beam across a scanning pattern onto the target
Implementation Method 3
an illumination source(s) for illuminating an IBI with a beam or pattern of incoherent light
Data Source
AI summary
An indicia reader is adapted for hand held operation to read information bearing indicia (IBI) at a point of transaction (POT) and is operated by: configuring the indicia reader in a store to provide at least one store specific indicia read notice; reading an IBI at a POT with the indicia reader and providing the at least one store specific indicia read notice to a customer when each IBI is read.