EEG Headphones Using PBM Light to Avoid Stimulation Interference

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Solution Overview

Problem

Neurofeedback and neurostimulation technologies have not been combined effectively due to interference between stimulation currents and EEG sensors, limiting their practical application in a single device or method.

Innovation Solution

A wearable headphone device incorporating EEG sensors and photobiomodulation (PBM) that pulses light at targeted frequencies to stimulate brainwave frequencies and provide energy to mitochondria, combined with neurofeedback and biometric feedback to enhance cognitive and physiological states.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If EEG sensors and neurostimulation are combined in a single device, then comprehensive neurofeedback and stimulation capabilities are achieved, but stimulation current interferes with EEG sensor measurements

Engineering Contradiction:

Improvecombined neurofeedback and stimulation capabilitiesVSAvoidEEG sensor measurement accuracy

Core Design Contradiction:

Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The device segments the stimulation and measurement functions by using separate light sources for different purposes: PBM LEDs for mitochondrial stimulation and separate LEDs for EEG measurement, allowing simultaneous operation without interference between stimulation current and sensor signals

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent uses light as an intermediary medium to transfer energy to mitochondria without using electrical stimulation currents that would interfere with EEG sensors. Photobiomodulation provides a non-electrical pathway for neurostimulation that is compatible with electrical EEG measurement

Inventive Principle:

Principle #24Intermediary (Mediator)

2Productivity

If photobiomodulation light is pulsed at targeted frequencies, then brainwave frequency entrainment and mitochondrial energy production are enhanced, but device complexity increases

Engineering Contradiction:

Improvecognitive enhancement efficiencyVSAvoidpulsed light stimulation control system

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The headphone device integrates multiple functions including PBM stimulation, EEG measurement, audio playback, and wireless communication into a single consumer wearable platform, leveraging existing headphone infrastructure to reduce overall system complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system uses periodic pulsing of PBM light at specific frequencies to achieve brainwave entrainment and enhance mitochondrial function, with pulse patterns that can be dynamically adjusted based on EEG feedback to optimize cognitive outcomes

Inventive Principle:

Principle #19Periodic action

3Adaptability or versatility

If multiple biometric sensors are integrated into wearable headphones, then comprehensive physiological monitoring is achieved, but device size and manufacturing complexity increase

Engineering Contradiction:

Improvebiometric monitoring capabilitiesVSAvoidsensor integration and device assembly

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent combines multiple biometric sensing functions (EEG, pulse oximetry, accelerometry) into a single wearable headphone device, sharing common components such as the wireless communication module, power management system, and processing unit to simplify manufacturing

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The device uses flexible printed circuit boards and thin-film sensor integration to accommodate multiple sensors within the compact headphone form factor, enabling easy assembly and manufacturing while maintaining comfort during wear

Inventive Principle:

Principle #30Flexible shells and thin films

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 device provides personalized biometric feedback and stimulation to improve focus, reduce stress, enhance mood, and promote physiological synchrony, offering a comprehensive solution for cognitive enhancement and emotional resilience.

Implementation Method 1

Photobiomodulation (PBM) therapy is the use of non-ionizing photonic energy to create photochemical changes inside cellular structures usually mitochondria

Methodology Applied

Scientific EffectPhotobiomodulation: Photosynthesis

Implementation Method 2

measuring the nervous system's activity using electroencephalography (EEG) sensors

Methodology Applied

Scientific EffectElectroencephalography: Electrical Impedance Tomography

Data Source

PatentUS12539069B2Method and apparatus for wearable device with EEG and biometric sensors

Publication Date: 2026.02.03 SENS AI INC

AI summary

Devices and methods for monitoring, stimulating, and entraining electrical activity generated by the brain of a person are provided. Electroencephalography (EEG) and photobiomodulation (PBM) devices in the form of headphones for monitoring, stimulating, and entraining electrical activity generated by a person's brain are described, along with methods for monitoring and stimulating a person's cognitive and physiological state using the provided devices. PBM light is pulsed to stimulate an increase in targeted brainwave frequencies through entrainment and providing additional energy to mitochondria. PBM stimulation is combined with EEG sensors and neurofeedback. The neurofeedback may be used to assist users with stress, anxiety, fatigue, mood, creativity and mental focus and acuity.