Foldable Terminal Wireless Link for Hinge Signal Transmission

Solution Overview

Problem

Conventional foldable terminal devices experience mechanical strength degradation and reduced transmission performance due to signal loss in physical wiring as the flexible display bends repeatedly.

Innovation Solution

Implementing wireless communication between foldable parts using wireless communication chips and radiators, such as millimeter-wave antennas or slot antennas, to replace physical wiring for signal transmission, ensuring efficient and scalable signal transfer without occupying rotation space.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If physical wiring is used for signal transmission between foldable parts, then signal transmission can be established, but signal loss increases and mechanical strength decreases with repeated bending

Engineering Contradiction:

Improvesignal transmission performanceVSAvoidsignal loss

Core Design Contradiction:

ReliabilityVSLoss of energy

Solution Approach 1:

The patent replaces the mechanical physical wiring system with a wireless communication system. Wireless communication chips and radiators are installed on the first and second foldable parts respectively, enabling signal transmission without physical connections. This substitution eliminates signal loss caused by repeated bending of physical wires while maintaining reliable communication between foldable parts.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If physical wiring is used for signal transmission, then connection between foldable parts is achieved, but mechanical strength is reduced due to repeated bending

Engineering Contradiction:

Improveconnection reliabilityVSAvoidmechanical strength

Core Design Contradiction:

ReliabilityVSStrength

Solution Approach 1:

The patent replaces the mechanical physical wiring system with a wireless communication system. Wireless communication chips and radiators are installed on the first and second foldable parts respectively, enabling signal transmission without physical connections. This substitution eliminates signal loss caused by repeated bending of physical wires while maintaining reliable communication between foldable parts.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Quantity of substance

If more bus signals are transmitted through physical wiring, then signal capacity increases, but rotation space is occupied and complexity increases

Engineering Contradiction:

Improvesignal capacityVSAvoidwiring complexity

Core Design Contradiction:

Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical physical wiring system with a wireless communication system. Wireless communication chips and radiators are installed on the first and second foldable parts respectively, enabling signal transmission without physical connections. This substitution eliminates signal loss caused by repeated bending of physical wires while maintaining reliable communication between foldable parts.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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

This solution enhances signal transmission efficiency, maintains mechanical strength, and accommodates increased bus signals by reducing carrier loss and improving stability through wireless communication, even with frequent bending.

Implementation Method 1

The first foldable part and the second foldable part perform wireless communication by using the first wireless communication chip and the second wireless communication chip

Methodology Applied

Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Data Source

PatentUS12189435B2Foldable apparatus and terminal device

Publication Date: 2025.01.07 HUAWEI TECH CO LTD

AI summary

A foldable apparatus is provided. The foldable apparatus includes a first foldable part, a middle bending part, and a second foldable part that are connected in sequence. The first foldable part and the second foldable part can rotate relative to each other based on the middle bending part. A first wireless communication chip is disposed in the first foldable part. A second wireless communication chip is disposed in the second foldable part. In the foldable apparatus, wireless communication is used to replace conventional physical wiring for internal signal transmission. The loss of a communication carrier is reduced through wireless communication. This ensures that stable transmission performance between the first foldable part and the second foldable part.