Adaptive Charging Circuitry for Barcode Readers

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Solution Overview

Problem

Barcode readers require adaptable charging systems to accommodate different types of rechargeable power sources, such as rechargeable batteries and supercapacitors, which have distinct current and voltage requirements, necessitating a charging circuitry that can adjust and provide appropriate charging parameters.

Innovation Solution

The implementation of a charging circuitry within the barcode reader and charging cradle that detects the type of rechargeable power source and adjusts the charging current and voltage accordingly, using specific charging profiles and contact configurations to ensure optimal charging for both rechargeable batteries and supercapacitors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single charging circuitry is used for different types of rechargeable power sources, then device complexity is reduced, but charging reliability deteriorates due to incompatible charging parameters

Engineering Contradiction:

Improvecharging system structureVSAvoidcharging compatibility

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The charging circuitry dynamically adjusts charging parameters (current and voltage) based on the detected power source type. The system transitions from a static, fixed charging approach to a dynamic, adaptive one that modifies electrical characteristics in real-time according to the connected device's requirements.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system changes electrical parameters (charging current and voltage levels) according to the type of rechargeable power source detected. Different parameter sets are applied for different battery types or devices, allowing a single circuitry design to safely charge multiple device types with varying electrical requirements.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If separate charging circuits are provided for different power source types, then charging reliability is improved, but device complexity increases

Engineering Contradiction:

Improvecharging compatibilityVSAvoidcharging system structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

A single charging circuitry is designed to perform multiple functions by charging different types of rechargeable power sources. The circuitry incorporates detection capabilities and adaptive parameter adjustment to universally support various devices without requiring separate dedicated charging circuits for each device type.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The charging system incorporates feedback mechanisms that detect the type of connected power source and use this information to automatically adjust charging parameters. This closed-loop control allows the system to respond to the actual charging needs of the connected device, ensuring safe and efficient charging across multiple device types.

Inventive Principle:

Principle #23Feedback

3Device complexity

If charging parameters are fixed, then device complexity is reduced, but adaptability to different power sources deteriorates

Engineering Contradiction:

Improvecharging control mechanismVSAvoidpower source compatibility

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The charging control system transitions from fixed, static parameters to dynamic, adjustable parameters that can be modified based on the detected power source type. This enables the same charging circuitry to adapt its behavior to match the specific requirements of different rechargeable devices.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system implements variable charging parameters that can be changed based on the type of connected power source. By detecting the device type and adjusting current and voltage settings accordingly, the system achieves broad compatibility without requiring complex manual configuration or multiple fixed circuits.

Inventive Principle:

Principle #35Parameter changes

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 and compatible charging of various rechargeable power sources, ensuring reliable operation of barcode readers by providing the appropriate charging currents and voltages, thereby extending battery life and maintaining device performance.

Implementation Method 1

charging circuitry that is configured to provide a charging current and a charging voltage for a rechargeable power source

Methodology Applied

Scientific EffectElectrical conduction: Conduction (electrical)

Implementation Method 2

rechargeable batteries produce electrical current through an electrochemical reaction involving electrodes and an electrolyte

Methodology Applied

Scientific EffectElectrochemical reaction: Redox Reactions

Implementation Method 3

the second type of rechargeable power source may comprise a supercapacitor

Methodology Applied

Scientific EffectCapacitance: Capacitance

Data Source

PatentUS11183867B2Charging system for a barcode reader that uses different types of rechargeable power sources

Publication Date: 2021.11.23 THE CODE CORP

AI summary

A system includes a barcode reader that is configured to use different types of rechargeable power sources and charging circuitry that is configured to provide a charging current and a charging voltage for a rechargeable power source that is being used by the barcode reader. The charging circuitry is configured to adjust the charging current and the charging voltage for the different types of rechargeable power sources that are used by the barcode reader.