Adaptive Multi-Frequency Harmonic Acoustography for Specialized Target Detection

Publication ID: 24-11857373_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Multi-Frequency Harmonic Acoustography for Specialized Target Detection,” Published Technical Disclosure No. 24-11857373_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857373_0004_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

This inventive concept adapts multi-frequency harmonic acoustography for specialized target detection in high-security, disaster relief, and extreme weather conditions, providing enhanced detection capabilities in diverse operational environments.

Background and Problem Solved

The original patent disclosed a method for performing multi-frequency harmonic acoustography for target identification and border detection. However, this method is limited to general-purpose applications and lacks the adaptability to cater to specific, narrow markets or unique operational environments. This inventive concept addresses this limitation by providing specialized variations and niche solutions for high-security needs, disaster relief, and extreme weather conditions.

Detailed Description of the Inventive Concept

The inventive concept comprises a system and method for adaptive multi-frequency harmonic acoustography, which can be configured for various specialized target detection applications. For instance, the system can be submerged for underwater border detection, positioned adjacent to a vehicle surface for detecting hidden compartments, or used for non-invasive inspection of aircraft composite materials. The method involves emitting ultrasonic waves at multiple frequencies, detecting the resulting acoustic responses, and analyzing the responses to identify targets or anomalies. The signal processor can be optimized for specific operational environments, ensuring enhanced detection capabilities in diverse settings.

Novelty and Inventive Step

The novelty of this inventive concept lies in its adaptability to cater to specific, narrow markets or unique operational environments, which is not addressed by the original patent. The inventive step involves the development of specialized variations and niche solutions, including submerged systems for underwater border detection, configurations for detecting hidden compartments in vehicles, and systems for non-invasive inspection of aircraft composite materials.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept include handheld devices for landmine detection, aerial systems for monitoring structural health of bridges, and wearable devices for search and rescue operations. Variations of the signal processor can be developed for specific industries, such as oil and gas, construction, or aerospace.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including defense, aerospace, construction, and disaster relief. The adaptability of the system and method to cater to specific, narrow markets or unique operational environments ensures a broad market appeal, with potential applications in high-security needs, extreme weather conditions, and specialized target detection.

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

Ultrasonic imaging and detection technologies, specifically multi-frequency harmonic acoustography with expertise in transducer design, signal processing, and acoustic wave manipulation across medical, security, and industrial inspection applications

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with advanced engineering or physics background, proficient in ultrasonic transducer design, signal processing algorithms, wave propagation principles, and interdisciplinary applications of acoustic imaging techniques

Obviousness Rationale

A PHOSITA would recognize that the source patent's multi-frequency harmonic acoustography technique provides a fundamental framework that can be readily adapted to diverse operational environments by modifying transducer configurations, signal processing parameters, and target detection contexts. The core technological principles remain consistent across applications, with variations representing predictable extensions of the original patent's core methodology. The PTD's disclosed variations demonstrate straightforward adaptations that would be considered routine design modifications within the technical domain.

Obvious Combinations & Variations

Source Patent Element
Confocal transducer with piezoelectric elements and hydrophone for tissue imaging
PTD Variation
Adapting the transducer configuration for underwater border detection and vehicle compartment scanning
Obviousness Reasoning
A PHOSITA would recognize that transducer principles are transferable across different detection environments, with modifications representing predictable design adaptations
Source Patent Element
Multiple frequency ultrasonic wave emission for target identification
PTD Variation
Applying multi-frequency techniques to landmine detection and structural health monitoring
Obviousness Reasoning
The fundamental signal processing and wave interaction principles remain consistent, with target context representing a routine design variation
Source Patent Element
Acoustic response analysis for identifying tissue boundaries
PTD Variation
Extending response analysis to detect hidden compartments, material defects, and structural anomalies
Obviousness Reasoning
Signal processing algorithms for anomaly detection are directly transferable across different inspection domains
Source Patent Element
Hydrophone-based acoustic response detection
PTD Variation
Implementing hydrophone configurations in aerial, wearable, and specialized inspection systems
Obviousness Reasoning
Transducer and hydrophone design principles can be readily adapted to different form factors and operational requirements
Source Patent Element
Electronic scanning of target tissue using transducer arrays
PTD Variation
Applying electronic scanning techniques to bridge monitoring and composite material inspection
Obviousness Reasoning
Array-based scanning represents a known technique that can be applied across multiple detection contexts with predictable results
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857373, a person having ordinary skill in the art would find the variations disclosed in this publication to represent obvious extensions of the fundamental multi-frequency harmonic acoustography methodology. The disclosed adaptations demonstrate routine engineering modifications that would be apparent to a skilled practitioner, thereby rendering potential claims to these variations unpatentable under 35 U.S.C. ยง 103 as obvious variants of the prior art.

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