Adaptive Active Electrode Systems for Specialized Environments

Publication ID: 24-11857328_0009_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Active Electrode Systems for Specialized Environments,” Published Technical Disclosure No. 24-11857328_0009_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857328_0009_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,328.

Summary of the Inventive Concept

The present inventive concept relates to specialized active electrode systems adapted for specific, narrow markets or unique operational environments, ensuring high-fidelity bio-potential signal sensing in challenging conditions.

Background and Problem Solved

The original patent disclosed an active electrode having a closed-loop unit-gain amplifier with chopper modulation, which, while effective in general bio-potential sensing, may not be optimized for extreme or high-security environments. This inventive concept addresses the limitations of the original patent by providing adaptive active electrode systems tailored to specific niches, such as high-security, disaster relief, extreme weather, and resource-constrained scenarios.

Detailed Description of the Inventive Concept

The inventive concept comprises a range of specialized active electrode systems, each adapted to a specific environment or application. The high-security active electrode system features a chopper-modulated amplifier with a closed-loop unit-gain and an actively driven shield configured to operate in high-electromagnetic interference environments. The disaster relief scenario method utilizes an active electrode component with a chopper-modulated amplifier to generate an input signal, prioritizing signals from victims in critical condition. The weather-resistant active electrode is designed for extreme weather conditions, featuring a sealed, water-resistant housing and a chopper-modulated amplifier adapted to operate within a temperature range of -20°C to 50°C. The secure bio-potential sensing system incorporates a cryptographic module for encrypting sensed bio-potential signals, utilizing a secure key exchange protocol. The portable active electrode system is designed for remote or resource-constrained environments, comprising a battery-powered chopper-modulated amplifier with a closed-loop unit-gain and a low-power, wireless transmission module.

Novelty and Inventive Step

The novelty of this inventive concept lies in the adaptation of the original active electrode design to specific, niche environments, incorporating unique features and components to address the challenges of each scenario. The inventive step is the recognition of the need for specialized active electrode systems and the development of tailored solutions that provide high-fidelity bio-potential signal sensing in these environments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include adaptations for other specialized environments, such as extreme temperature, high-altitude, or underwater applications. Variations could also include different amplifier configurations, shield designs, or encryption protocols to further enhance the systems' performance and security.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including healthcare, disaster relief, aerospace, and high-security applications. The adaptive active electrode systems can be marketed as specialized solutions for specific niches, offering a competitive advantage in terms of signal fidelity, security, and reliability.

Field of Art

Biomedical signal processing and sensor systems, with expertise in low-noise amplification techniques, bio-potential sensing, and electromagnetic interference mitigation

Person of Ordinary Skill (PHOSITA) Profile

An electrical engineer with advanced degree and 3-5 years experience in biomedical instrumentation, familiar with chopper amplification, signal conditioning, and sensor design for medical and environmental monitoring applications

Obviousness Rationale

A PHOSITA would recognize the PTD's variations as straightforward adaptations of the source patent's core chopper-modulated active electrode technology. The disclosed specialized environments represent predictable applications of the fundamental signal sensing and noise reduction principles established in the original patent. Each variation applies known engineering techniques to extend the base technology into specific use cases with minimal inventive complexity.

Obvious Combinations & Variations

Source Patent Element
Chopper-modulated amplifier with closed-loop unit-gain for minimizing noise in bio-potential sensing
PTD Variation
Adapting the amplifier for high-electromagnetic interference environments by configuring the actively driven shield
Obviousness Reasoning
A PHOSITA would recognize shield configuration as a standard noise mitigation technique, with predictable results in reducing electromagnetic interference
Source Patent Element
Bio-potential signal sensing method using integrated amplifier
PTD Variation
Developing specialized signal processing algorithms for prioritizing critical condition signals in disaster relief scenarios
Obviousness Reasoning
Signal prioritization represents a known signal processing technique that would be obvious to apply to the base bio-potential sensing technology
Source Patent Element
Chopper-modulated amplifier with frequency shift to avoid flicker noise
PTD Variation
Extending amplifier operation to extreme temperature ranges (-20°C to 50°C) with sealed, water-resistant housing
Obviousness Reasoning
Environmental adaptation through component selection and housing design is a standard engineering approach with predictable performance outcomes
Source Patent Element
Active electrode component for sensing electric potential differences
PTD Variation
Incorporating cryptographic modules for signal encryption in high-stakes bio-potential sensing applications
Obviousness Reasoning
Adding security features through standard cryptographic techniques represents a routine design enhancement for sensitive signal transmission
Source Patent Element
Integrated amplifier for bio-potential signal generation
PTD Variation
Developing a portable system with battery-powered amplifier and low-power wireless transmission module
Obviousness Reasoning
Miniaturization and wireless transmission are well-known techniques for extending sensor system capabilities in resource-constrained environments
35 U.S.C. § 103 Summary: Based on US Patent 11857328's teachings of chopper-modulated active electrode technology, the present publication demonstrates that the claimed variations represent obvious extensions of the prior art. A person having ordinary skill in the art would find the specialized active electrode systems and methods to be predictable modifications of the fundamental signal sensing approach, lacking any non-obvious inventive step beyond routine engineering design choices.

Original Patent Information

Patent NumberUS 11,857,328
TitleActive electrode having a closed-loop unit-gain amplifier with chopper modulation
Assignee(s)T&W Engineering A/S