In-Ear Utility Device with Accelerometer for Driver Drowsiness Detection

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Solution Overview

Problem

Conventional earpieces are bulky, uncomfortable, and limited in technological capabilities, with a lack of independent functionality and advanced features, restricting their use beyond basic audio functions.

Innovation Solution

A wireless in-ear utility device with an accelerometer and data storage, capable of determining head position changes and executing a driving safety application to detect if a user is falling asleep, along with various electronic components for enhanced functionality such as noise cancellation, voice recognition, and communication.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional earpieces are used, then basic audio functions are provided, but the devices are bulky and uncomfortable

Engineering Contradiction:
ImprovecomfortVSAvoiddevice size
Core Design Contradiction:
Ease of operationVSVolume of moving object

Solution Approach 1:

The patent divides the earpiece into two separate components: a small in-ear device that fits comfortably in the ear canal and a separate audio source device that contains the bulk of the electronics and battery. This segmentation allows the in-ear portion to be miniaturized for comfort while the audio source can be larger and more capable.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent transitions from traditional behind-the-ear or over-ear form factors to an in-ear canal placement, utilizing the third dimension (depth into the ear canal) to accommodate the device. This dimensional change enables smaller external profile while maintaining functionality through proximity to the eardrum.

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

2Adaptability or versatility

If conventional earpieces are used, then basic audio functions are provided, but technological capabilities are limited

Engineering Contradiction:
Improvetechnological capabilitiesVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The in-ear device is designed with multiple sensors (accelerometer, gyroscope, proximity sensor, light sensor) that enable diverse functions including audio playback, workout tracking, fall detection, driver drowsiness monitoring, and communication. This multi-functionality approach allows a single device to replace multiple specialized devices.

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

Solution Approach 2:

The patent introduces a separate audio source device that acts as an intermediary, containing the complex processing electronics, battery, and audio decoding capabilities. The in-ear device serves as a sensor hub that communicates with this external processing unit, distributing complexity across two devices.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Extent of automation

If conventional earpieces are used, then limited independent operation is provided, but slaved operation to other devices is maintained

Engineering Contradiction:
Improveindependent operationVSAvoiddevice complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The in-ear device incorporates its own processor, memory, and sensor array, enabling it to independently monitor user conditions (such as detecting falls or driver drowsiness) and trigger appropriate responses without requiring constant connection to an external device. The device can autonomously manage audio playback, track workouts, and provide safety alerts.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS10841682B2Communication network of in-ear utility devices having sensors
Publication Date: 2020.11.17 SMARTEAR INC
  • US10841682B2 patent drawing
  • US10841682B2 patent drawing
  • US10841682B2 patent drawing

AI summary

An embodiment of the invention provides a wireless in-ear utility device that rests in the user's ear canal near the user's eardrum. The in-ear utility device may be configured in a variety of ways, including, but in no way limited to a smart in-ear utility device, a flexible personal sound amplification product, a personal music player, a “walkie-talkie” and the like.