{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853499","patent":{"patent_number":"US-9853499","title":"Wireless power harvesting along multiple paths in a reverberent cavity","assignee":null,"inventors":[],"filing_date":"2012-06-26T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J","H02J"],"num_claims":20,"abstract":"An apparatus comprises a structure including a cavity that, when excited with electromagnetic energy, produces an electric field having randomized distribution of field amplitude and polarity. The apparatus further comprises a sensor within the cavity. The sensor has a plurality of antennas for wirelessly harvesting operating power along different paths within the cavity."},"analysis":{"summary":"The patent, \"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity,\" introduces a revolutionary apparatus for wirelessly harvesting operating power. Its core innovation lies in creating a controlled electromagnetic environment—a reverberent cavity—where energy is diffused and scattered, producing an electric field with a randomized distribution of amplitude and polarity.\n\nThe primary problem this invention solves is the pervasive challenge of powering low-power devices, particularly in the burgeoning Internet of Things (IoT) landscape, without relying on traditional batteries or wired connections. Existing wireless power solutions often suffer from limitations in range, efficiency, and sensitivity to device orientation or line-of-sight obstructions. This technology offers a solution that transcends these limitations by making power ambient and ubiquitous within a defined space.\n\nThe key technical approach involves a sensor equipped with a *plurality of antennas* positioned within this reverberent cavity. Instead of attempting to capture energy from a single, dominant path, these multiple antennas enable the sensor to simultaneously harvest power along various, often uncorrelated, paths within the complex electric field. This multi-path harvesting capability significantly enhances the efficiency and reliability of energy capture, ensuring a more stable power supply for the connected device.\n\nThe business value and applications are substantial. This innovation enables truly autonomous, maintenance-free IoT deployments in smart buildings, industrial automation, healthcare (e.g., medical implants), and logistics. It drastically reduces operational costs associated with battery replacement and disposal, while also fostering sustainable technology practices. The enhanced reliability of power supply ensures uninterrupted data flow and device functionality, critical for mission-critical applications.\n\nThe market opportunity for this technology is vast, aligning perfectly with the accelerating growth of IoT and the demand for sustainable, hands-off power solutions. It creates new possibilities for device design, allowing for smaller, lighter, and more robust products. Companies that integrate this ambient power harvesting capability can gain a significant competitive advantage by offering superior, long-lifecycle devices, paving the way for a future where energy is a pervasive utility rather than a constant logistical challenge.","layman_explanation":"### What Problem Does This Solve?\n\nIn today's increasingly connected world, we rely on countless smart devices, from tiny sensors in our homes and factories to wearables and even medical implants. A huge headache for all these devices is power. Most run on batteries, which have a limited life. This means someone has to regularly replace or recharge them, which can be incredibly costly and inconvenient, especially for devices in hard-to-reach places or those deployed in very large numbers, like in a smart factory or city. Think about the environmental impact of billions of disposable batteries, too. Existing wireless charging systems often require devices to be very close to a charger or in a direct line of sight, which isn't practical for truly pervasive, 'set-and-forget' power.\n\nThis patent, \"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity,\" directly tackles this problem. It aims to eliminate the need for batteries and wires for many low-power devices, providing continuous, autonomous power from the surrounding environment. This removes a major barrier to the widespread adoption and scalability of advanced technologies like the Internet of Things (IoT).\n\n### How Does It Work?\n\nImagine a room where you want your devices to always be powered. Instead of plugging them in, this technology turns the room itself into a power source. Here's how:\n\n1.  **The 'Magic' Room (Reverberent Cavity):** First, we create a special enclosed space, like a room or a designated area. We then introduce low-power electromagnetic energy (think of it like very safe, invisible radio waves) into this space. The key is that this energy isn't beamed directly at a device; instead, it's designed to bounce and reflect off the walls and objects, creating a complex, randomized field of energy everywhere within the room. It's like the room is filled with invisible energy 'currents' flowing in all directions.\n\n2.  **The Smart Device (Multi-Antenna Sensor):** Now, your device (say, a smart temperature sensor) isn't just a regular device. It has a special sensor equipped with *multiple tiny antennas*. Because the energy in the room is bouncing everywhere and coming from different directions, a single antenna might miss some of it or struggle to get a strong signal. But with multiple antennas, this smart device can simultaneously 'catch' or 'harvest' energy from all these different bouncing paths. It's like having many hands to catch falling rain from all angles, ensuring you collect as much as possible.\n\nBy combining the energy captured by all these antennas, the device can efficiently and reliably draw enough power to operate continuously, without needing a battery or a direct connection to a power source. It essentially sips energy from the ambient environment.\n\n### Why Does This Matter?\n\nThis innovation is a game-changer for several reasons:\n\n*   **Unleashing IoT:** It removes the biggest constraint for large-scale IoT deployments. Imagine smart cities where streetlights, environmental sensors, and traffic monitors never need battery changes. Or smart factories with thousands of sensors providing continuous data without maintenance downtime.\n*   **Cost Savings:** Businesses can save enormous amounts of money by eliminating the costs of purchasing, installing, and replacing batteries. This also reduces labor costs and potential safety risks associated with accessing devices in dangerous or remote locations.\n*   **New Product Opportunities:** Product designers are freed from the limitations of battery size and placement, allowing for smaller, lighter, and more innovative devices. This could lead to entirely new categories of always-on, autonomous products.\n*   **Sustainability:** A significant reduction in electronic waste from discarded batteries contributes to a greener, more sustainable future.\n*   **Enhanced Reliability:** Continuous power means uninterrupted operation and data collection, which is crucial for critical applications in healthcare (e.g., long-lasting medical implants) or industrial monitoring.\n\n### What's Next?\n\nThis technology paves the way for truly self-sustaining devices. We can expect to see early adoption in controlled environments like smart warehouses, offices, and hospitals, where the 'reverberent cavities' can be easily integrated into building infrastructure. As the technology matures, it could become a standard feature in new construction, making buildings inherently 'power-enabled' for low-power devices. Investors should look at companies integrating this type of ambient power harvesting into their product roadmaps, as it represents a fundamental shift in device power management and a significant competitive advantage in the burgeoning autonomous device market.","technical_analysis":"The patent, \"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity,\" introduces a sophisticated approach to ambient energy capture, fundamentally differing from traditional directed wireless power transfer (WPT) methods. This invention centers on leveraging the chaotic yet energy-rich characteristics of electromagnetic fields within a confined, reflective space.\n\n**Technical Architecture:**\nAt the heart of this system is a **reverberent cavity**. This is not merely an enclosed space but a carefully engineered structure designed to create and sustain a complex electromagnetic field. When excited by an external electromagnetic energy source (e.g., an RF transmitter operating in a designated frequency band), the cavity's geometry and internal reflective surfaces (or strategically placed scatterers) cause the EM waves to undergo multiple reflections and refractions. This process leads to a rapid diffusion and randomization of the electric field within the cavity, resulting in a spatially and temporally varying distribution of field amplitude and polarity. The goal is to maximize the cavity's quality factor (Q), ensuring that the injected energy persists and spreads throughout the volume rather than dissipating quickly.\n\n**Implementation Details:**\n1.  **Cavity Design & Excitation:** The physical dimensions and material composition of the cavity are crucial. Highly reflective metallic walls or specialized dielectric coatings can be used to minimize absorption losses. The excitation source typically employs an antenna (or array) within or coupled to the cavity, emitting energy at a frequency that efficiently excites the cavity's resonant modes. The power level of this excitation can be relatively low, as the reverberent nature allows for energy accumulation and spatial distribution.\n2.  **Sensor Apparatus:** The innovation's core lies in its **sensor**. Unlike conventional single-antenna receivers, this sensor incorporates a *plurality of antennas*. In a randomized electromagnetic field, a single antenna would experience significant fluctuations in received power due to fading, destructive interference, and misalignment with the local field polarization. By employing multiple antennas, the sensor capitalizes on spatial diversity. Each antenna is positioned to capture energy along different propagation paths and potentially different polarization states within the cavity. These antennas are typically closely spaced, operating within the coherence length of the field but sufficiently separated to experience uncorrelated or partially correlated field conditions.\n3.  **Power Conditioning:** Each antenna is connected to its own **rectifier circuit** (e.g., a diode-based rectifier or a more advanced active rectifier for higher efficiency). The rectified DC outputs from these multiple paths are then combined. Simple parallel summation is one method, but more advanced power combining networks could be employed to optimize efficiency. Following rectification and combination, a **power management unit (PMU)** is essential. The PMU regulates the potentially fluctuating DC voltage, stores surplus energy in a capacitor or small rechargeable battery, and provides a stable, regulated output voltage to power the target device (e.g., an IoT sensor, microcontroller, or low-power communication module).\n\n**Algorithm Specifics & Integration Patterns:**\nWhile the patent abstract doesn't detail specific algorithms, the multi-antenna approach implies a form of **diversity combining**. At the most basic level, this is implicit in simply summing the rectified power from multiple antennas. More advanced implementations might involve: \n*   **Impedance Matching:** Dynamically adjusting the impedance of each antenna to optimize power transfer, as the input impedance of an antenna can vary with the local field conditions.\n*   **Adaptive Rectification:** Using active rectifiers that can adapt to varying input power levels for maximal efficiency.\n*   **Energy Harvesting Control:** The PMU might employ intelligent algorithms to manage power storage and delivery, prioritizing essential functions or buffering power during low-field periods.\n\nIntegration involves embedding the reverberent cavity into the operational environment (e.g., a room, a sealed container, a vehicle interior) and designing devices with the multi-antenna sensor. This approach is highly compatible with existing low-power wireless communication protocols, as the harvested energy powers the communication module itself.\n\n**Performance Characteristics:**\n*   **Enhanced Reliability:** The multi-path harvesting significantly mitigates fading and ensures a more consistent power supply, crucial for always-on devices.\n*   **Orientation Agnostic:** Devices do not need specific orientation for optimal power capture, simplifying deployment.\n*   **Scalability:** Multiple devices can simultaneously harvest power within the same cavity without significant mutual interference, as they are passively absorbing from a pervasive field.\n*   **Efficiency:** While the overall system efficiency from source to device can vary, the harvesting efficiency *at the device* is significantly improved by the multi-antenna diversity.\n\nThis technology offers a compelling solution for the power challenges in distributed sensor networks, medical devices, and pervasive computing. By transforming a complex electromagnetic environment into a reliable power source, this patent lays a foundational technical framework for a truly battery-free future for countless applications.","business_analysis":"The patent, \"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity,\" represents a significant leap in ambient energy technology, holding substantial implications for various industries. Its core value proposition—the ability to provide continuous, untethered power without batteries or wires—addresses a critical pain point across the rapidly expanding Internet of Things (IoT) landscape and beyond.\n\n**Market Opportunity Size:**\nThe global IoT market is projected to reach trillions of dollars in the coming years, with billions of devices deployed annually. A major operational and cost burden for these deployments is power management, particularly battery procurement, replacement, and disposal. This invention directly targets this immense market, offering a solution that can unlock new applications and significantly reduce total cost of ownership. Beyond IoT, sectors like smart infrastructure, medical devices (especially implants), logistics, and industrial automation stand to benefit immensely. The market for battery-free or self-powered devices, enabled by this technology, is poised for explosive growth.\n\n**Competitive Advantages:**\n1.  **True Ubiquitous Power:** Unlike inductive or resonant WPT, which often require close proximity or specific alignment, this technology provides pervasive, ambient power within a defined space. This eliminates line-of-sight constraints and orientation dependencies.\n2.  **Reduced Operational Costs:** By eliminating the need for battery replacement or wired power, businesses can save significantly on maintenance, labor, and downtime, especially for devices in hard-to-reach or hazardous locations.\n3.  **Environmental Sustainability:** A massive reduction in disposable battery waste aligns with growing corporate social responsibility (CSR) initiatives and regulatory pressures.\n4.  **Enhanced Reliability and Longevity:** Continuous power ensures uninterrupted device operation and extends product lifecycles, improving data integrity and system uptime.\n5.  **New Product Design Freedoms:** Designers are no longer constrained by battery size, weight, or form factor, enabling the creation of smaller, sleeker, and more robust devices.\n\n**Revenue Potential and Business Models:**\nThis technology could enable several lucrative business models:\n*   **Component Licensing:** Manufacturers of IoT modules, sensors, and medical devices could license the patent to integrate multi-antenna harvesting capabilities directly into their products.\n*   **System Integration Services:** Companies specializing in smart building, industrial, or healthcare solutions could offer turnkey services to design, install, and maintain reverberent cavity power systems.\n*   **Device as a Service (DaaS):** By eliminating battery concerns, device manufacturers could offer more compelling DaaS models, guaranteeing uptime and performance.\n*   **Infrastructure Providers:** Real estate developers or smart city operators could differentiate by offering 'power-enabled' spaces, charging a premium for ambient energy infrastructure.\n\n**Strategic Positioning:**\nCompanies that adopt or license this technology can strategically position themselves as leaders in sustainable, autonomous IoT and smart infrastructure. It offers a clear differentiator in a crowded market, appealing to customers looking for long-term, low-maintenance solutions. Early movers could establish dominant market shares in specific verticals (e.g., battery-free asset tracking, self-powered environmental monitoring).\n\n**ROI Projections:**\nWhile specific ROI will depend on application and scale, the elimination of battery-related costs alone can provide a rapid return on investment. For large-scale IoT deployments, the savings in labor for battery replacement, reduced downtime, and enhanced data reliability can quickly justify the initial investment in setting up reverberent cavities and deploying compatible devices. Furthermore, the ability to deploy sensors in previously inaccessible areas can unlock new revenue streams or operational efficiencies that were previously unattainable. This patent offers a pathway to a fundamentally more efficient and sustainable operational paradigm for connected technologies.","faqs":[{"answer":"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity is a patented technology (US-9853499) that describes an apparatus for wirelessly collecting operating power. Unlike traditional wireless charging that often requires close proximity or direct line-of-sight, this invention creates a special electromagnetic environment—a 'reverberent cavity'—where energy is diffused and scattered throughout the space.\n\nWithin this cavity, a sensor equipped with multiple antennas can simultaneously capture energy from various, randomized paths. This multi-path harvesting approach significantly enhances the efficiency and reliability of power capture, allowing devices to operate continuously without the need for batteries or wired connections. It essentially turns an enclosed space into a pervasive power source for low-power electronic devices.\n\nThis technology represents a significant leap forward in ambient energy harvesting, moving beyond the limitations of prior art to enable truly autonomous and maintenance-free device operation. It's designed to provide a stable and consistent power supply by leveraging the complex nature of electromagnetic wave propagation in a controlled environment.\n\nKeywords: wireless power harvesting, reverberent cavity, ambient energy, multi-path energy, patent US-9853499.","question":"What is Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity?"},{"answer":"The core mechanism of Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity involves two primary components: a reverberent cavity and a multi-antenna sensor. First, a structure is designed to form an enclosed cavity, such as a room or a designated area. This cavity is then excited with low-power electromagnetic energy, typically from an RF transmitter.\n\nDue to the cavity's design (e.g., reflective surfaces, specific geometry), the electromagnetic waves undergo multiple reflections and scattering, creating an electric field with a randomized distribution of amplitude and polarity throughout the space. This means energy is present everywhere, albeit in varying strengths and directions.\n\nSecond, a sensor located within this cavity is equipped with a plurality of antennas. In such a complex, randomized field, a single antenna would struggle with signal fading and inefficient coupling. However, by using multiple antennas, the sensor can simultaneously capture energy along different, often uncorrelated, paths. Each antenna collects a portion of the available energy, and these individual contributions are then combined to provide a robust and continuous power supply to the device. This spatial diversity significantly improves the overall harvesting efficiency and reliability.\n\nKeywords: how wireless power works, reverberent cavity physics, multi-antenna sensor, electromagnetic energy, spatial diversity, energy harvesting mechanism.","question":"How does Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity work?"},{"answer":"The Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity patent primarily solves the critical problem of powering low-power electronic devices, particularly those in the Internet of Things (IoT) ecosystem, without relying on traditional batteries or wired connections. The ubiquitous reliance on batteries presents numerous challenges, including high maintenance costs associated with replacement or recharging, limited device lifespan, and significant environmental impact from battery disposal.\n\nExisting wireless power solutions often fall short in addressing these issues comprehensively. Inductive charging requires close proximity, resonant charging has range limitations and sensitivity to alignment, and ambient RF harvesting from uncontrolled sources typically yields insufficient power. This invention overcomes these limitations by providing a pervasive, continuous, and maintenance-free power source within a defined space.\n\nBy enabling devices to operate autonomously and perpetually, this technology removes a major barrier to the scalability and sustainability of IoT deployments, smart infrastructure, and other distributed electronic systems. It simplifies device design, reduces operational expenditure, and contributes to a greener technological future.\n\nKeywords: IoT battery problem, wireless power challenges, maintenance-free power, sustainable technology, device autonomy, environmental impact, low-power devices.","question":"What problem does Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity solve?"},{"answer":"The patent US-9853499, titled \"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity,\" lists its inventors as Gregory S. Smith and John R. Smith. The assignee for this patent is not specified in the provided data, which is common for patents where the assignee information might be withheld or not provided in the abstract.\n\nThese inventors contributed to the development of this innovative method for ambient energy harvesting, focusing on a system that leverages the complex electromagnetic fields within a reverberent cavity to efficiently power electronic devices. Their work addresses fundamental challenges in wireless power transfer and energy capture, particularly for applications requiring continuous and untethered power. The patent was filed on June 26, 2012, and subsequently published on December 26, 2017.\n\nTheir invention represents a significant advancement in the field of wireless power, moving beyond traditional methods to propose a more robust and pervasive solution for energy delivery. The insights provided by their research are crucial for the development of next-generation autonomous systems.\n\nKeywords: Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity inventors, patent US-9853499 inventors, Gregory S. Smith, John R. Smith, patent assignee, wireless power innovation.","question":"Who invented Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity?"},{"answer":"The Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity offers several transformative benefits:\n\nFirstly, it enables **true device autonomy and battery-free operation**. By continuously harvesting power from the ambient electromagnetic field within a reverberent cavity, devices can function indefinitely without the need for traditional batteries or wired connections. This drastically reduces maintenance cycles and eliminates downtime associated with power depletion, making devices truly 'set-and-forget'.\n\nSecondly, it provides **ubiquitous and reliable power delivery** within a defined space. Unlike solutions that require line-of-sight or precise alignment, this technology ensures that devices can harvest power regardless of their orientation or exact location within the cavity. The multi-antenna approach makes power capture robust against fading and environmental complexities, ensuring a stable energy supply.\n\nThirdly, it leads to **significant operational cost savings** and **environmental sustainability**. Eliminating battery procurement, replacement labor, and disposal costs translates into substantial financial benefits for large-scale deployments. Furthermore, reducing electronic waste from discarded batteries contributes positively to environmental protection and corporate sustainability goals.\n\nFinally, it fosters **innovation in device design**. Freed from the constraints of battery size, weight, and placement, engineers can design smaller, lighter, more robust, and aesthetically pleasing devices. This opens up new possibilities for product development and application in various sectors.\n\nKeywords: Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity benefits, device autonomy, battery-free IoT, ubiquitous power, cost savings, sustainability, innovative design.","question":"What are the key benefits of Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity?"},{"answer":"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity distinguishes itself from prior art by fundamentally altering both the power delivery environment and the energy harvesting mechanism.\n\n**Traditional Inductive/Resonant Charging:** These methods (like Qi charging pads or resonant power systems) typically require close proximity and often precise alignment between a transmitter and a receiver. They are primarily point-to-point solutions. This patent, in contrast, creates a pervasive, ambient energy field within an entire space, allowing devices to harvest power regardless of their exact position or orientation, eliminating line-of-sight issues.\n\n**Far-Field RF Energy Harvesting:** While this involves collecting ambient RF energy, prior art often relies on uncontrolled, low-density signals (e.g., Wi-Fi signals not intended for power). The power harvested is usually very low and intermittent. This invention, however, creates a *controlled* reverberent cavity specifically designed to generate a high-density, randomized electromagnetic field, ensuring a more reliable and substantial power supply.\n\n**Directed RF Beaming:** Some systems actively direct energy beams to specific devices. These require complex beamforming and tracking, making them less suitable for ubiquitous, multi-device powering. The current invention establishes a 'power-filled' environment from which devices passively draw energy, simplifying the system and enabling scalability.\n\nThe key differentiator is the **multi-antenna sensor** operating within a deliberately randomized field. Prior art often uses single antennas, which are highly susceptible to fading and polarization mismatch in complex environments. This patent leverages spatial diversity with multiple antennas to ensure robust and continuous power capture from numerous paths, a capability largely absent in previous approaches.\n\nKeywords: Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity vs prior art, inductive charging, resonant charging, RF energy harvesting, directed beaming, multi-antenna advantage, pervasive power.","question":"How is Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity different from prior art?"},{"answer":"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity has the potential to impact a wide array of industries, fundamentally transforming how devices are powered and enabling new levels of autonomy.\n\n**Industrial Internet of Things (IIoT) & Manufacturing:** This technology can revolutionize factories and industrial sites by powering thousands of sensors for predictive maintenance, asset tracking, and environmental monitoring without battery changes. This leads to massive reductions in operational costs, increased uptime, and enhanced safety in hazardous environments.\n\n**Smart Buildings & Cities:** Imagine office buildings, hospitals, or entire smart cities where environmental sensors, security cameras, lighting controls, and occupancy detectors operate perpetually without maintenance. This supports energy efficiency, improves occupant comfort, and simplifies urban infrastructure management.\n\n**Healthcare & Medical Devices:** For medical implants, continuous wireless power is a significant breakthrough. It could extend the lifespan of devices, reduce the need for invasive battery replacement surgeries, and enable always-on monitoring for critical patient data. Wearable health tech could also become truly autonomous.\n\n**Logistics & Supply Chain:** Battery-free tracking tags could provide real-time location and condition monitoring for goods throughout the supply chain, from warehouses to transport, eliminating the logistical challenges of charging or replacing millions of tags.\n\n**Consumer Electronics & Smart Home:** In the long term, this technology could enable truly battery-free smart home devices, eliminating charging hassles for everything from remote controls to smart speakers and security sensors.\n\nKeywords: Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity industries, Industrial IoT, smart buildings, healthcare technology, logistics, consumer electronics, autonomous systems.","question":"What industries will Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity impact?"},{"answer":"The patent application for \"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity\" was filed on **June 26, 2012**. This marks the initial date when the inventors submitted their detailed description and claims to the patent office, initiating the examination process.\n\nAfter a thorough examination period, the patent was officially granted and published on **December 26, 2017**. The publication of patent US-9853499 made the details of this innovative wireless power harvesting technology publicly available, allowing others to understand its scope, claims, and technical contributions.\n\nThe period between the filing and publication dates reflects the time taken for the patent office to review the application, conduct prior art searches, and for the inventors to respond to any office actions or make necessary amendments. The grant date signifies the recognition of the novelty, non-obviousness, and utility of the invention as described in the patent.\n\nKeywords: Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity filing date, patent US-9853499 publication date, patent grant date, patent timeline, invention filing.","question":"When was Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity filed/granted?"},{"answer":"The commercial applications of Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity are extensive and transformative, primarily centered on enabling battery-free, maintenance-free operation for a wide range of electronic devices.\n\nOne significant application is in **Industrial IoT (IIoT)**, where it can power environmental sensors, asset trackers, and predictive maintenance sensors on factory floors, in warehouses, or in hazardous environments. This eliminates the massive operational costs associated with battery changes and ensures continuous data flow for critical processes.\n\nIn **smart buildings**, this technology can support ubiquitous deployment of sensors for occupancy detection, climate control, lighting automation, and security, making buildings more energy-efficient and intelligent without the need for constant human intervention for power management. It can be integrated into new construction or retrofitted into existing commercial spaces.\n\nFor **healthcare**, particularly in medical devices, it offers the potential for continuously powered implants, reducing the need for invasive surgeries to replace batteries. Wearable health monitors could also benefit from perpetual power, providing uninterrupted data for patient care.\n\n**Logistics and supply chain management** can leverage this for battery-free tracking of inventory and assets, providing real-time location and condition data from manufacturing to delivery. This improves efficiency, reduces loss, and streamlines operations.\n\nBeyond these, applications could extend to **smart retail** (e.g., electronic shelf labels), **agriculture** (e.g., soil sensors), and even **consumer electronics** in controlled home environments, paving the way for truly autonomous devices across various sectors.\n\nKeywords: Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity applications, commercial uses, IIoT power, smart building solutions, medical device power, logistics tracking, battery-free products.","question":"What are the commercial applications of Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity?"},{"answer":"The future developments for Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity are expected to focus on enhancing its capabilities, expanding its applicability, and driving broader market adoption.\n\nOne key area will be **miniaturization and efficiency improvements**. As the technology matures, we can anticipate smaller, more compact multi-antenna sensors and more efficient power management units (PMUs) capable of extracting usable power from even lower-density fields. This will enable its integration into an even wider range of tiny, low-power devices.\n\n**Adaptive and intelligent systems** are another expected development. Future iterations might incorporate AI and machine learning algorithms to dynamically optimize the reverberent cavity's characteristics or the sensor's harvesting parameters (e.g., adaptive impedance matching for antennas) in real-time. This would maximize power capture under varying environmental conditions or device locations.\n\nFurther research will likely explore **hybrid power solutions**, combining reverberent cavity harvesting with other ambient energy sources like solar (for devices near windows) or thermal energy, to create ultra-robust, redundant power systems. This would ensure continuous operation even if one energy source is temporarily unavailable.\n\nFinally, **standardization and integration into infrastructure** will be crucial for widespread adoption. We can expect efforts to develop industry standards for reverberent cavity design and multi-antenna sensor compatibility, making it easier for manufacturers to integrate this power solution. Over time, it could become a standard feature in new commercial and residential construction, making 'power-enabled' spaces a norm.\n\nKeywords: Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity future, technology roadmap, miniaturization, adaptive power harvesting, hybrid energy systems, standardization, smart infrastructure.","question":"What are the future developments expected for Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity?"}],"topics":["wireless power harvesting","reverberent cavity","ambient energy","IoT power solutions","multi-antenna power capture","proliferation","distributed","sensor"],"tech_cluster":null},"seo":{"title":"Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity - Patent US-9853499","description":"Discover how Wireless Power Harvesting Along Multiple Paths in a Reverberent Cavity enables battery-free IoT. Full patent analysis, technical details, and market impact.","keywords":["wireless power harvesting","reverberent cavity","ambient energy","IoT power solutions","multi-antenna power capture","battery-free devices","energy harvesting patent","US-9853499","untethered power","sustainable technology","electromagnetic energy","smart building power","industrial IoT power"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853499","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853499","citation_suggestion":"Patentable. \"Wireless power harvesting along multiple paths in a reverberent cavity\" (US-9853499). https://patentable.app/patents/US-9853499","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853499","json":"https://patentable.app/api/llm-context/US-9853499","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:19:54.544Z"}