Mobile Barcode Accessory with Target Illumination and Lens
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Solution Overview
Problem
Smartphones and other portable computing devices have poor barcode reading capabilities, which hinder effective barcode scanning due to inadequate positioning and illumination.
Innovation Solution
A mobile device attachment that includes a target generating mechanism, proximity sensor, optimized illumination, and a supplementary lens system to improve barcode reading by facilitating proper positioning and enhancing image capture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a smartphone camera is used for barcode reading, then the device can scan barcodes, but the barcode reading capability is poor due to inadequate positioning and illumination
Solution Approach 1:
The patent employs visual indicators that change color or illuminate to guide users on proper positioning and focus. The system provides real-time visual feedback through color-coded indicators (e.g., green for optimal positioning, red for adjustment needed) to simplify the barcode scanning operation and improve accuracy.
Solution Approach 2:
The patent implements a feedback mechanism that continuously monitors barcode positioning and provides real-time guidance to the user. The system analyzes the captured image and displays visual cues indicating whether the barcode is properly positioned, focused, and illuminated, allowing users to adjust until optimal conditions are achieved.
2Measurement precision
If a smartphone camera is used for barcode reading, then the device can scan barcodes, but the illumination is inadequate for accurate scanning
Solution Approach 1:
The patent activates illumination sources before barcode capture to ensure proper lighting conditions are established in advance. The system pre-illuminates the scanning area and provides visual feedback to confirm adequate lighting before the user attempts to scan, preventing illumination-related scanning failures.
Solution Approach 2:
The patent introduces an intermediary illumination system between the light source and the barcode target. This includes controlled lighting elements that direct light specifically onto the barcode area, and visual indicator systems that mediate between the actual illumination conditions and the user's understanding of whether proper lighting is present.
3Measurement precision
If additional components are added to improve barcode reading, then the barcode scanning capability is enhanced, but the device complexity increases
Solution Approach 1:
The patent designs the attachment to perform multiple functions within a single integrated unit. The accessory serves as both a protective case and a barcode scanning enhancement device, incorporating illumination, targeting indicators, and optical guidance features that work together. This multi-functionality reduces the need for separate dedicated components while achieving the desired barcode reading improvement.
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 attachment enhances barcode reading accuracy and efficiency by ensuring optimal positioning and illumination, improving the overall barcode scanning process.
Implementation Method 1
a target generating mechanism, a proximity sensor, targeting illumination that facilitates proper positioning of a barcode in the camera field-of-view
Implementation Method 2
a supplementary lens system that is optimized for barcode reading
Implementation Method 3
a proximity sensor
Data Source
AI summary
An accessory for a mobile device may include a target generating structure. The target generating structure may emit a targeting pattern of illumination into a field of view of a camera of the mobile device. The targeting pattern may facilitate proper positioning of the mobile device for capturing an image of a barcode. The accessory may secure to a corner of the mobile device. The accessory may send a request to the mobile device to establish a focus setting of the camera. The target generating structure may emit the targeting pattern after the accessory sends the request.