Radio Frequency Antenna with Adaptive Impedance for Enhanced Wearable Performance
Legal Citation
Summary of the Inventive Concept
A wearable device featuring an adaptive impedance radio frequency antenna that adjusts its impedance based on a user's physiological data, activity level, or other relevant factors to optimize data transmission, improve device efficiency, and enhance security.
Background and Problem Solved
The original patent disclosed a wearable device with a fixed impedance antenna, which may not always provide optimal performance due to variations in user physiology, environmental factors, or device operation. The new inventive concept addresses these limitations by introducing an adaptive impedance antenna that dynamically adjusts its impedance to ensure reliable and efficient data transmission.
Detailed Description of the Inventive Concept
The wearable device comprises a dynamically adjustable impedance antenna mounted to a support structure. The antenna's impedance is adjusted based on the user's physiological data, activity level, or other relevant factors. This adaptation enables optimal data transmission, reducing errors and improving overall device efficiency. The antenna's impedance adjustment can be achieved through various means, such as changing the antenna's physical structure, using active components, or employing advanced materials with tunable impedance properties.
Novelty and Inventive Step
The new inventive concept's adaptive impedance antenna, which adjusts its impedance based on user-specific factors, provides a significant improvement over the fixed impedance antenna of the original patent. This dynamic adjustment enables real-time optimization of data transmission, enhancing the overall performance and efficiency of the wearable device.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept could include using different types of sensors to monitor user physiological data, incorporating machine learning algorithms to predict optimal impedance settings, or integrating the adaptive impedance antenna with other wearable device components, such as power management systems or data processing units.
Potential Commercial Applications and Market
The adaptive impedance antenna has significant commercial potential in the wearable technology market, particularly in applications such as health monitoring, fitness tracking, and medical devices. The improved performance, efficiency, and security offered by this technology can enable new use cases and enhance user experiences, making it an attractive solution for device manufacturers and users alike.
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Wearable electronics with radio frequency communication systems, specifically focused on antenna design for physiological monitoring devices
Person of Ordinary Skill (PHOSITA) Profile
An electrical engineer with expertise in RF antenna design, wearable technology, and signal transmission, holding a bachelor's or master's degree with 3-5 years of experience in adaptive antenna systems and biomedical device engineering
Obviousness Rationale
A PHOSITA would recognize that dynamically adjusting antenna impedance based on physiological data is a predictable engineering solution to optimize signal transmission in wearable devices. The source patent's focus on wearable antenna design provides a clear technical foundation for implementing adaptive impedance techniques. The proposed variations represent straightforward extensions of known RF antenna design principles applied to the specific context of physiological monitoring wearables.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,304 |
|---|---|
| Title | Radio frequency antenna with varying impedance for wearable |
| Assignee(s) | Amazon Technologies, Inc. |