Radio Frequency Antenna with Varying Impedance for Specialized Environments

Publication ID: 24-11857304_0009_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Radio Frequency Antenna with Varying Impedance for Specialized Environments,” Published Technical Disclosure No. 24-11857304_0009_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857304_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. 11,857,304.

Summary of the Inventive Concept

An adaptive wearable device with a radio frequency antenna that adjusts its impedance to optimize performance in unique operational environments, such as high-altitude, disaster relief, extreme weather, high-security, and high-temperature settings.

Background and Problem Solved

Physiological data is essential for health management, but conventional wearable devices struggle to maintain reliable data transmission in specialized environments. The original patent's wearable device with a varying impedance antenna addressed this issue, but its design was limited to general-purpose applications. The new inventive concept builds upon this foundation, adapting the antenna design to cater to specific, niche markets.

Detailed Description of the Inventive Concept

The inventive concept comprises a wearable device featuring a radio frequency antenna with varying impedance, optimized for operation in high-altitude, disaster relief, extreme weather, high-security, and high-temperature environments. The antenna's design is tailored to each environment, ensuring reliable data transmission. For instance, the high-altitude variant incorporates a modified substrate material to mitigate signal degradation at high elevations. In disaster relief scenarios, the system integrates a communication module for transmitting vital sign data to remote servers, while the high-security embodiment incorporates an encryption module for securing physiological data transmission.

Novelty and Inventive Step

The new claims introduce novel adaptations of the varying impedance antenna, specifically designed for specialized environments. These adaptations are non-obvious and represent a significant departure from the original patent's general-purpose design.

Alternative Embodiments and Variations

Alternative embodiments may include varying antenna geometries, substrate materials, or impedance profiles to accommodate different environmental conditions. Additionally, the inventive concept could be integrated with other sensors or devices to enhance its functionality and versatility.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including healthcare, aerospace, disaster relief, and security. The specialized wearable devices can cater to niche markets, providing reliable physiological data transmission in challenging environments.

Field of Art

Wearable biomedical device design with radio frequency antenna systems, focusing on physiological monitoring technologies and wireless communication interfaces

Person of Ordinary Skill (PHOSITA) Profile

An electrical engineer with expertise in antenna design, wireless communications, biomedical sensor integration, and experience with miniaturized electronic systems for wearable applications

Obviousness Rationale

A person skilled in the art would recognize that adapting the source patent's varying impedance antenna design to specialized environmental contexts represents predictable engineering variations using known techniques. The fundamental antenna architecture remains consistent, with modifications primarily addressing environmental performance constraints through standard design adaptation strategies.

Obvious Combinations & Variations

Source Patent Element
Wearable device with substrate-mounted antenna having multiple portions
PTD Variation
Antenna design modified for high-altitude signal transmission using substrate material optimization
Obviousness Reasoning
Selecting alternative substrate materials to address signal propagation challenges is a routine design optimization for antenna engineers, representing a predictable solution to environmental performance limitations
Source Patent Element
Physiological data monitoring system with wireless communication
PTD Variation
Adding encryption module for securing transmitted physiological data in high-security environments
Obviousness Reasoning
Implementing data encryption is a standard security practice when transmitting sensitive information, representing an obvious enhancement to existing wireless communication systems
Source Patent Element
Antenna mounted on support structure proximate to user
PTD Variation
Integrating heat-resistant materials to protect antenna in high-temperature environments
Obviousness Reasoning
Selecting appropriate protective materials to extend operational temperature range is a standard engineering approach for improving device reliability in challenging conditions
Source Patent Element
Antenna with varying impedance design
PTD Variation
Adapting antenna geometry and impedance profile for disaster relief communication scenarios
Obviousness Reasoning
Modifying antenna characteristics to optimize performance in specific communication contexts represents a predictable application of established antenna design principles
Source Patent Element
Wearable device for physiological monitoring
PTD Variation
Adding power management module for low-resource environment operation
Obviousness Reasoning
Implementing efficient power management techniques is a standard engineering approach for extending device functionality in resource-constrained scenarios
35 U.S.C. § 103 Summary: Based on US Patent 11857304's disclosure of a wearable device with a variable impedance antenna, the present publication demonstrates that a person having ordinary skill in the art would find the environmental adaptations and specialized configurations obvious extensions of the prior art, thereby rendering potential claims covering such variations anticipated and non-patentable under standard obviousness analysis.

Original Patent Information

Patent NumberUS 11,857,304
TitleRadio frequency antenna with varying impedance for wearable
Assignee(s)Amazon Technologies, Inc.