Mouse Pad Integrating Wireless Charging Coil and Segmented Circuit Layout

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Solution Overview

Problem

Conventional mouse pads lack wireless charging functionality, which is a deficiency given the prevalence of wireless mice with this feature.

Innovation Solution

A mouse pad device with a mouse pad main body, a control module, and two electrical connection circuits forming a wireless charging coil, allowing for simultaneous use of a keyboard and mouse with wireless charging capabilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a conventional mouse pad is used, then the mouse pad provides a basic surface for mouse movement, but it lacks wireless charging functionality which is needed for wireless mice

Engineering Contradiction:
Improvewireless charging functionalityVSAvoidmouse pad structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines wireless charging functionality with a mouse pad by integrating a wireless charging coil into the mouse pad structure. The mouse pad main body includes a first area for keyboard placement and a second area for mouse placement with wireless charging capability, merging two separate functions (mouse pad and wireless charging device) into a single integrated product.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The mouse pad is designed to serve multiple functions: it provides a surface for keyboard placement, a surface for mouse movement, and simultaneously offers wireless charging capability for wireless mice. This multi-functional design allows the same device to fulfill multiple user needs without requiring separate equipment.

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

2Area of stationary object

If the mouse pad area is increased to accommodate both keyboard and mouse, then both devices can be used simultaneously, but the area for keyboard use may be disturbed by electromagnetic signals from wireless charging circuits

Engineering Contradiction:
Improvemouse pad areaVSAvoidelectromagnetic disturbance to keyboard
Core Design Contradiction:
Area of stationary objectVSObject-affected harmful factors

Solution Approach 1:

The mouse pad is divided into distinct functional areas: a first area for keyboard placement and a second area for mouse placement with wireless charging. The electrical connection circuits are specifically routed to lay along the periphery of the third area, keeping them away from the keyboard area. This spatial segmentation ensures that electromagnetic signals from the wireless charging circuits do not interfere with keyboard operation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the mouse pad are assigned different functions and electromagnetic characteristics. The area where keyboards are placed has minimal electromagnetic activity, while the wireless charging area contains the necessary circuits. This local differentiation of functional quality allows both devices to coexist without interference.

Inventive Principle:
Principle #3Local quality

3Adaptability or versatility

If wireless charging circuits are added to the mouse pad, then wireless charging capability is provided, but the circuit layout may interfere with keyboard device operation

Engineering Contradiction:
Improvewireless charging capabilityVSAvoidkeyboard device operation
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The electrical connection circuits are arranged in a specific spatial configuration where they lay along the periphery of a designated area on the mouse pad. This dimensional arrangement in the plane of the mouse pad surface allows the circuits to be positioned away from the keyboard area, reducing electromagnetic interference while maintaining wireless charging functionality.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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 solution provides a dedicated area for keyboard use without disturbance and enables wireless charging of the mouse, enhancing user experience by allowing both devices to be used on the same pad.

Implementation Method 1

The first electrical connection circuit and the second electrical connection circuit form a wireles charging coil

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS11422646B2Mouse pad device
Publication Date: 2022.08.23 DEXIN CORP
  • US11422646B2 patent drawing
  • US11422646B2 patent drawing
  • US11422646B2 patent drawing

AI summary

A mouse pad device is provided. The mouse pad device includes a mouse pad main body, a control module, a first electrical connection circuit and a second electrical connection circuit. The control module is disposed on a first area of a first side of the mouse pad main body. The first electrical connection circuit is electrically connected to the second electrical connection circuit on a second side of the mouse pad main body. The first side of the mouse pad main body and the second side of the mouse pad main body are opposite sides. The first electrical connection circuit and the second electrical connection circuit are each laid along a periphery of a third area of the second side of the mouse pad main body.