Published Technical Disclosure Archive

Adaptive Multi-Frequency Harmonic Acoustography for Specialized Applications

Publication ID: 24-11857373_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Multi-Frequency Harmonic Acoustography for Specialized Applications,” Published Technical Disclosure No. 24-11857373_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857373_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. 11,857,373.

Summary of the Inventive Concept

An innovative approach to multi-frequency harmonic acoustography tailored for high-security, disaster relief, and extreme weather conditions, enabling precise material identification, anomaly detection, and structural health monitoring in unique operational environments.

Background and Problem Solved

The original patent on multi-frequency harmonic acoustography for target identification and border detection has limitations in addressing specific, narrow market needs or unique operational environments. The present inventive concept adapts the original technology to cater to high-security, disaster relief, and extreme weather conditions, overcoming the limitations of the original patent.

Detailed Description of the Inventive Concept

The new inventive concept comprises a system and method for multi-frequency harmonic acoustography tailored for specialized applications. It features a focused confocal transducer, hydrophone, and signal processor configured to operate in high-security environments, disaster-stricken areas, or extreme weather conditions. The system can identify materials, detect anomalies, and monitor structural health, generating 3D maps and alerts as needed. The inventive concept's adaptability lies in its ability to adjust frequencies, transducer arrays, and signal processing algorithms to accommodate diverse operational environments.

Novelty and Inventive Step

The new inventive concept's novelty lies in its adaptation of multi-frequency harmonic acoustography for specific, narrow market needs or unique operational environments. The inventive step involves configuring the system and method to address high-security, disaster relief, and extreme weather conditions, which is not obvious from the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include using different transducer materials, varying the frequency ranges, or integrating additional sensors for enhanced detection capabilities. Variations could also involve adapting the system for underwater or aerial applications, or developing miniaturized versions for portable use.

Potential Commercial Applications and Market

The adaptive multi-frequency harmonic acoustography system has significant commercial potential in high-security industries, disaster relief organizations, and infrastructure monitoring companies operating in extreme weather conditions. Target markets include government agencies, emergency response teams, and companies specializing in structural health monitoring.

CPC Classifications

SectionClassGroup
A A61 A61B8/485
A A61 A61B8/085
A A61 A61B8/4494
B B06 B06B1/0622
G G01 G01S7/52038
G G01 G01S15/8913
G G01 G01S15/8922
G G01 G01S15/8952
A A61 A61B8/5207
G G01 G01S7/5203

Field of Art

Medical and industrial ultrasonic imaging and diagnostic technologies, specifically multi-frequency harmonic acoustography systems involving piezoelectric transducers, hydrophones, and signal processing for material and tissue characterization

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with advanced engineering or medical physics background, expertise in ultrasonic imaging technologies, signal processing algorithms, transducer design, and understanding of wave propagation principles across multiple frequency domains

Obviousness Rationale

A PHOSITA would recognize that the source patent's multi-frequency harmonic acoustography technique provides a foundational framework that can be readily adapted to specialized application domains by modifying transducer configurations, signal processing algorithms, and operational contexts while maintaining core technological principles. The PTD's variations represent predictable extensions of known ultrasonic imaging methodologies applied to specific environmental and operational challenges. The core technological mechanism remains fundamentally consistent across the disclosed applications.

Obvious Combinations & Variations

Source Patent Element
Confocal transducer with piezoelectric elements capable of emitting multiple ultrasonic frequencies
PTD Variation
Adapting the transducer system for high-security border surveillance and disaster relief applications
Obviousness Reasoning
Predictable application of existing ultrasonic imaging technology to alternative operational contexts, representing a straightforward design modification within the known capabilities of multi-frequency acoustography systems
Source Patent Element
Hydrophone positioned centrally within piezoelectric elements for vibration detection
PTD Variation
Integrating networked hydrophone arrays for structural health monitoring in extreme weather conditions
Obviousness Reasoning
Known technique of expanding sensor networks using established signal detection principles, representing an obvious scaling and adaptation of existing transducer technologies
Source Patent Element
Method for detecting mechanical properties and tissue boundaries using harmonic frequencies
PTD Variation
Generating 3D material maps and anomaly detection algorithms for diverse environmental contexts
Obviousness Reasoning
Predictable extension of signal processing techniques, applying known computational methods to transform raw ultrasonic data into actionable spatial information across different application domains
Source Patent Element
Curved transducer array with electronic scanning capabilities
PTD Variation
Developing miniaturized and portable multi-frequency acoustography systems for specialized environments
Obviousness Reasoning
Routine engineering optimization representing a standard design evolution, leveraging existing technological principles to create more compact and adaptable imaging systems
Source Patent Element
Multi-frequency wave emission for tissue characterization
PTD Variation
Implementing alert and warning systems based on detected material or structural anomalies
Obviousness Reasoning
Obvious integration of signal processing and notification technologies, representing a straightforward enhancement to existing diagnostic imaging methodologies
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857373 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations in multi-frequency harmonic acoustography applications to be obvious extensions of known ultrasonic imaging technologies. The disclosed adaptations represent predictable combinations of existing technical elements, demonstrating no inventive step beyond the ordinary capabilities of skilled practitioners in the field of medical and industrial ultrasonic imaging systems.

Original Patent Information

Patent NumberUS 11,857,373
TitleMulti-frequency harmonic acoustography for target identification and border detection
Assignee(s)The Regents of the University of California