Respiratory Gas Sensor Technology for Diverse Applications

Publication ID: 24-11857310_0002_PTD

Published: November 07, 2025

Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Respiratory Gas Sensor Technology for Diverse Applications,” Published Technical Disclosure No. 24-11857310_0002_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857310_0002_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. 11,857,310.

Summary of the Inventive Concept

The inventive concept leverages the core technology of the original physiological parameter processing apparatus to address various unmet needs in environmental air quality monitoring, disease detection, exercise performance tracking, and ventilation system optimization.

Background and Problem Solved

The original patent focused on diagnosing sleep disorders and respiratory diseases in humans. However, the limitations of the original patent became apparent when considering its potential applications in other fields. The inventive concept addresses these limitations by applying the core technology to entirely new industries, including environmental monitoring, animal health, and exercise performance tracking.

Detailed Description of the Inventive Concept

The inventive concept comprises a respiratory gas sensor, an input interface, and a processor. The sensor detects pollutants, pathogens, or changes in respiratory patterns, and the input interface receives data from the sensor. The processor analyzes the data, providing alerts, feedback, or adjusting ventilation settings accordingly. The system can be implemented as a wearable device, a building ventilation system, or a diagnostic tool for animals.

Novelty and Inventive Step

The inventive concept's novelty lies in its application of the original patent's core technology to new, unrelated fields. The inventive step is the recognition of the potential for the respiratory gas sensor technology to address diverse problems, such as environmental air quality, disease detection, and exercise performance tracking.

Alternative Embodiments and Variations

Alternative embodiments may include integrating the respiratory gas sensor with IoT devices, using machine learning algorithms for data analysis, or developing miniaturized sensors for wearable devices. Variations may involve adapting the system for use in spacecraft, submarines, or other confined environments.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including environmental monitoring, healthcare, fitness, and construction. The target market includes government agencies, healthcare providers, fitness enthusiasts, and building owners and managers.

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Biomedical engineering and respiratory monitoring systems, with expertise in sensor technologies, signal processing, and physiological data analysis

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device specialist with advanced degree, experience in respiratory sensor design, signal processing algorithms, and interdisciplinary medical technology applications

Obviousness Rationale

A PHOSITA would recognize the fundamental respiratory gas sensing technology from the source patent can be readily adapted to multiple application domains by applying standard sensor integration and data processing techniques. The core technological principles of respiratory gas detection, signal acquisition, and computational analysis are transferable across different use cases with predictable modifications. The PTD demonstrates standard engineering problem-solving by repurposing an existing respiratory monitoring technology to address diverse monitoring and diagnostic challenges.

Obvious Combinations & Variations

Source Patent Element

Respiratory gas sensor configured to acquire respiration data from mouth or nose

PTD Variation

Adapting sensor to detect environmental pollutants and air quality metrics

Obviousness Reasoning

Known sensor technologies can be modified with standard calibration and signal processing techniques to detect different molecular signatures, representing a predictable design variation

Source Patent Element

Processor configured to analyze respiration data through waveform processing

PTD Variation

Applying machine learning algorithms to detect disease patterns in respiratory data

Obviousness Reasoning

Extending signal analysis techniques to pattern recognition is a standard computational approach within biomedical engineering, representing an obvious technological progression

Source Patent Element

Input interface for acquiring physiological sensor data

PTD Variation

Integrating sensor with IoT devices and networked monitoring systems

Obviousness Reasoning

Interfacing sensors with communication technologies is a routine engineering task with well-established protocols and design methodologies

Source Patent Element

Respiratory parameter processing system for human subjects

PTD Variation

Extending system for animal respiratory disease detection

Obviousness Reasoning

Cross-species adaptation of medical monitoring technologies is a predictable engineering approach when fundamental physiological measurement principles remain consistent

35 U.S.C. § 103 Summary: Based on US Patent 11857310's fundamental respiratory monitoring technology, the present publication demonstrates that the claimed variations represent obvious extensions readily apparent to a person having ordinary skill in biomedical sensor design, where standard engineering techniques enable straightforward adaptation of core respiratory sensing principles to diverse monitoring and diagnostic applications.

Original Patent Information

Patent Number	US 11,857,310
Title	Physiological parameter processing apparatus
Assignee(s)	NIHON KOHDEN CORPORATION