Charging Case With Conductive Contact For Unobstructed Port Access

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Solution Overview

Problem

Existing charging methods for electronic devices often block access to the main connector port during charging, limiting user interaction and convenience.

Innovation Solution

A charging case with a conductive contact and power module that allows charging without occupying the device's main connector port, using inductive coupling, photovoltaic cells, or a power cable, while maintaining access to the port and optionally including a battery or data transfer capabilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the main connector port is used for charging, then the device can be charged, but the user cannot access the connector port for other purposes during charging

Engineering Contradiction:
ImproveAccess to connector portVSAvoidCharging function
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The invention divides the charging function from the main connector port by introducing a separate charging case with its own charging connector. The charging case has a first connector that connects to the device's charging port, while the device's main connector port remains accessible through the case's opening. This segmentation allows independent access to both charging and data/communication functions simultaneously.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The charging case acts as an intermediary device between the power source and the electronic device. It includes a charging circuit that receives power through its own connector and transfers it to the device through the charging port, while the main connector port remains freely accessible. The case mediates the charging process without blocking the main port.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If a charging dock is used, then the device can be charged, but the device must be positioned in a fixed location and the connector port is occupied

Engineering Contradiction:
ImproveCharging location flexibilityVSAvoidCharging system structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The charging case serves multiple functions: it provides charging capability, maintains access to the main connector port, and can be attached to or removed from the device at any time. The case includes both a charging circuit for power transfer and structural features for secure attachment, making it a multi-functional accessory that combines charging, protection, and port access.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The charging case is designed to fit around the electronic device like a protective case, with the device nested inside the case. The case's internal structure includes recesses and features that accommodate the device's shape, allowing the charging mechanism to be integrated within the case structure while maintaining access to the device's ports.

Inventive Principle:
Principle #7Nested doll (Nesting)

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 convenient and uninterrupted access to the device's main connector port during charging, providing a streamlined charging experience through wireless power transfer and data communication.

Implementation Method 1

The power module may include, for example, an inductive coupling coil

Methodology Applied
Scientific EffectInductive coupling: Electromagnetic Induction

Implementation Method 2

The power module may include, for example, an inductive coupling coil, photovoltaic cells

Methodology Applied
Scientific EffectPhotovoltaic effect: Photovoltaic Effect

Data Source

PatentUS10461581B2Charging case for electronic devices
Publication Date: 2019.10.29 NOOK DIGITAL LLC
  • US10461581B2 patent drawing
  • US10461581B2 patent drawing
  • US10461581B2 patent drawing

AI summary

Techniques are disclosed for aiding in charging an electronic device using a charging case. The charging case includes a conductive contact and may connect to a conductive contact of the electronic device while still allowing user access to the main connector port of the electronic device. The charging case includes a power module that may receive power from an external power source. The power module may include an inductive coupling coil, photovoltaic cells, or a power cable port. Circuitry within the charging case may control and transmit power from the power module to the electronic device through the conductive contacts. The charging case may include a battery. The charging case may also include a data module for receiving data from an external data source, and the case circuitry may process and transmit data from the data module to the electronic device through the conductive contacts.