Smart Glasses Antenna Sharing for Wear Detection and Gestures

Solution Overview

Problem

The inner space of smart glasses is limited, making it difficult to integrate additional components for functions like wearing detection and gesture-control without occupying space used by antennas and video/audio components.

Innovation Solution

The integration of an antenna module with a radio frequency module and a sensing module, where the antenna module is used as a radiator, allowing for wearing detection and gesture-control without the need for additional components, utilizing a distributed capacitor structure and inductor to share the antenna module effectively.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If additional components for wearing detection and gesture-control are added to smart glasses, then the functionality is improved, but the device complexity and space occupation increase

Engineering Contradiction:

ImprovefunctionalityVSAvoiddevice complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The antenna module is designed to perform multiple functions: it serves as both a communication antenna and a sensing element for wearing detection and gesture control. The sensing module detects parasitic capacitance changes of the antenna module to determine wearing state and user gestures, eliminating the need for separate dedicated sensing components.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the antenna module with sensing capabilities by integrating the sensing module that detects parasitic capacitance changes of the antenna. This merging allows the antenna structure to simultaneously handle wireless communication and user interaction detection without requiring physically separate components.

Inventive Principle:

Principle #5Merging (Combining)

2Adaptability or versatility

If additional components for wearing detection and gesture-control are added to smart glasses, then the functionality is improved, but the inner space occupation increases

Engineering Contradiction:

ImprovefunctionalityVSAvoidinner space

Core Design Contradiction:

Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The antenna module is designed to perform multiple functions: it serves as both a communication antenna and a sensing element for wearing detection and gesture control. The sensing module detects parasitic capacitance changes of the antenna module to determine wearing state and user gestures, eliminating the need for separate dedicated sensing components.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the antenna module with sensing capabilities by integrating the sensing module that detects parasitic capacitance changes of the antenna. This merging allows the antenna structure to simultaneously handle wireless communication and user interaction detection without requiring physically separate components.

Inventive Principle:

Principle #5Merging (Combining)

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 enables efficient use of inner space in smart glasses by achieving wearing detection and gesture-control functions using existing antennas, enhancing user interaction without adding extra components, and allowing the antenna module to sense user gestures effectively.

Implementation Method 1

the sensing module is coupled with the antenna module and used to sense a capacitance value of a parasitic capacitance of the antenna module and generate a corresponding sensing signal

Methodology Applied

Scientific EffectParasitic capacitance: Parasitic Capacitance

Data Source

PatentUS11907430B2Smart glasses

Publication Date: 2024.02.20 NANJING SILERGY MICRO (HK) CO LTD

AI summary

Smart glasses, comprising a body, at least one antenna module, a radio frequency module, a sensing module and a processing module. The at least one antenna module is disposed on the body; the radio frequency module is coupled with the antenna module and used to receive or transmit a radio frequency signal by the antenna module; the sensing module is coupled with the antenna module and used to sense a capacitance value of a parasitic capacitance of the antenna module and generate a corresponding sensing signal; and the processing module is connected with the radio frequency module and the sensing module, wherein the processing module is used to run a corresponding application according to the radio frequency signal or the sensing signal.