{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853485","patent":{"patent_number":"US-9853485","title":"Antenna for wireless charging systems","assignee":null,"inventors":[],"filing_date":"2015-10-28T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J"],"num_claims":20,"abstract":"A metamaterial system of a wireless transmission apparatus comprises a metamaterial layer. The metamaterial layer comprises an array of unit cells wherein each of the unit cell comprises a surface having a metal patch with an aperture. The aperture is defined such that a periphery of the aperture is within a periphery of the surface by a spacing distance and an element is disposed within the aperture. The metamaterial system further comprises at least one input RF port placed on a backing layer disposed below the metamaterial layer such that there is no short-circuit between the conductive backing layer and the metamaterial layer; and at least one set of vias connecting the array of unit cells with the at least one input RF port."},"analysis":{"summary":"The patent for an \"Antenna for Wireless Charging Systems\" (US-9853485) presents a groundbreaking innovation in wireless power transfer, fundamentally addressing the limitations of traditional charging methods regarding range, efficiency, and spatial freedom. The core innovation lies in a sophisticated metamaterial system designed for a wireless transmission apparatus.\n\nThis technology solves the prevalent problem of inefficient, short-range wireless charging that often requires precise device alignment. Existing solutions are typically constrained by the physical properties of conventional antennas, leading to energy loss and user inconvenience. By introducing a metamaterial approach, this patent enables more flexible and robust power delivery.\n\nThe key technical approach involves a metamaterial layer composed of an array of unique unit cells. Each unit cell features a metal patch with a specifically defined aperture, where an element is strategically disposed. The aperture's periphery is precisely contained within the unit cell's surface, creating engineered electromagnetic properties. Furthermore, the system integrates at least one input RF port on a backing layer, carefully designed to prevent short-circuiting with the metamaterial layer, and connects these components via vias. This intricate design allows for unprecedented control over electromagnetic waves, facilitating efficient energy capture and transmission over greater distances.\n\nFrom a business perspective, this invention offers immense value and opens up significant market opportunities. It provides a pathway to truly ubiquitous wireless charging, transforming consumer electronics, IoT devices, medical implants, and industrial automation. Companies adopting this technology can gain a competitive edge by offering products with superior charging convenience, extended battery life, and enhanced user experience. The market opportunity is vast, encompassing the entire ecosystem of battery-powered devices and infrastructure.\n\nIn essence, this patent lays the groundwork for a future where devices are powered continuously and invisibly, driving innovation across multiple sectors and establishing new benchmarks for wireless energy solutions.","layman_explanation":"### What Problem Does This Solve?\n\nImagine you're trying to charge your phone, but you have to place it *exactly* on a tiny spot, and if you move it even a little, it stops charging. Or, you wish you could charge your smart watch just by walking into your house, but you still have to plug it in. This is the core problem the \"Antenna for Wireless Charging Systems\" patent (US-9853485) aims to solve: making wireless charging truly wireless, efficient, and flexible. Current wireless charging systems, like the pads you might use, are usually limited to very short distances and require precise alignment. This means they're convenient for a desk, but not for powering an entire room or a moving robot. This patent addresses the fundamental physical limitations that prevent widespread, invisible, and truly 'ambient' wireless power.\n\n### How Does It Work?\n\nThink of this innovation like a highly advanced, invisible 'smart surface' that can send and receive power. Instead of a traditional antenna, which might be a simple coil or rod, this patent describes something called a 'metamaterial system.' Imagine a flat surface made up of thousands of tiny, identical, specially designed 'unit cells.' Each of these unit cells is like a miniature, intricate circuit board. On each unit cell, there's a small metal patch with a precise opening, or 'aperture,' and inside that opening, there's a tiny electronic component. The way these apertures and components are arranged allows the entire surface to manipulate electromagnetic waves (the invisible waves that carry power) in ways that normal materials can't.\n\nIt's like having a team of tiny, intelligent mirrors that can perfectly catch and redirect light, but for radio waves. This allows the system to focus and direct energy much more efficiently, over longer distances, and without needing the receiving device to be in an exact spot. An input port feeds power to this smart surface, and tiny connections (vias) distribute that power across all the unit cells, making the whole system work together seamlessly to create a powerful, flexible charging zone.\n\n### Why Does This Matter?\n\nThis patent matters because it unlocks the true potential of wireless power. For consumers, it means ultimate convenience: phones, laptops, and wearables could charge automatically as you move through your home or office. No more hunting for chargers, no more dead batteries. For businesses, the implications are even bigger. Imagine smart factories where robots and sensors are continuously powered without needing to pause for charging. In healthcare, it could enable wirelessly powered medical implants, eliminating invasive battery replacement surgeries. For the automotive industry, it could mean electric vehicles charging passively while parked or even while driving on specially equipped roads. This technology creates a competitive advantage for companies that integrate it, allowing them to offer superior products and services that truly differentiate them in the market. The return on investment (ROI) for adopting such a foundational technology would be significant, leading to increased customer satisfaction, operational efficiency, and new revenue streams.\n\n### What's Next?\n\nThis innovation sets the stage for a dramatic shift in how we power our world. We can expect to see this technology, or principles derived from it, integrated into a wide range of products and infrastructure within the next 5-10 years. Early adopters in consumer electronics and industrial IoT will likely be the first to bring products to market, leading to rapid market adoption. For investors, this represents an opportunity to back companies that are building the foundational infrastructure for a truly wire-free future, potentially yielding substantial long-term returns as this technology becomes ubiquitous. The future applications are limited only by imagination, from smart clothing with integrated charging to wirelessly powered smart cities.","technical_analysis":"The patent US-9853485, titled \"Antenna for Wireless Charging Systems,\" introduces a highly innovative metamaterial system designed to significantly enhance the capabilities of wireless power transfer apparatuses. This technical analysis delves into the architecture, implementation specifics, and performance implications of this advanced antenna system.\n\n**Technical Architecture and Core Components:**\nAt the heart of this invention is a metamaterial system comprising a layered structure. The primary component is a **metamaterial layer**, which is an array of individual **unit cells**. Each unit cell is a meticulously engineered structure, typically planar, designed to exhibit specific electromagnetic properties not found in natural materials. Within each unit cell, there is a **surface** featuring a **metal patch**. Crucially, this metal patch contains a precisely defined **aperture**. The patent specifies that an **element** is disposed within this aperture, and the **periphery of the aperture is within a periphery of the surface by a spacing distance**. This geometric arrangement is vital for creating resonant structures that can interact strongly and efficiently with electromagnetic fields at specific frequencies.\n\nBelow the metamaterial layer, a **backing layer** is disposed. This backing layer likely serves as a structural support and may also be conductive, forming part of the overall antenna system. A critical design consideration is explicitly stated: there must be **no short-circuit between the conductive backing layer and the metamaterial layer**. This implies the presence of an insulating dielectric spacer or an air gap between these two layers, which is crucial for maintaining proper electrical isolation while allowing electromagnetic coupling.\n\n**Input RF Port and Vias:**\nThe system further comprises at least one **input RF port** placed on the backing layer. This port is the interface for feeding RF energy into the metamaterial system for transmission, or for extracting received energy. To facilitate the transfer of energy between the RF port and the distributed unit cells of the metamaterial layer, the patent describes **at least one set of vias**. These vias are conductive pathways that connect the array of unit cells with the input RF port. The number, placement, and dimensions of these vias are critical for impedance matching and ensuring efficient power distribution across the metamaterial array, maximizing the antenna's performance.\n\n**Implementation Details and Algorithm Specifics:**\nWhile the patent doesn't detail specific algorithms, the underlying principle relies on **metamaterial theory** and **electromagnetic resonance**. The design of each unit cell, including the dimensions of the metal patch, the aperture, the internal element, and the spacing distance, would be optimized through electromagnetic simulation (e.g., using FEM or FDTD methods) to achieve desired resonant frequencies and electromagnetic responses. The 'element' within the aperture could be a simple conductive trace, a split-ring resonator, or a more complex patterned structure, each contributing to the overall effective permittivity and permeability of the metamaterial layer. The collective response of the array of unit cells dictates the antenna's beamforming capabilities, directivity, and efficiency.\n\n**Integration Patterns and Performance Characteristics:**\nThis metamaterial system offers significant advantages in integration. Its planar nature allows for relatively thin and compact implementations, making it suitable for embedding into various surfaces or devices. The ability to control electromagnetic waves at a sub-wavelength scale means that the antenna can be designed for specific frequency bands relevant to wireless charging (e.g., ISM bands or dedicated wireless power frequencies). Performance characteristics would include:\n\n*   **Enhanced Efficiency:** By minimizing scattering and maximizing directivity, the system aims for higher power transfer efficiency compared to conventional systems, particularly over greater distances.\n*   **Extended Range:** The controlled manipulation of RF fields allows for the propagation of energy further from the source, expanding the effective charging zone.\n*   **Reduced Alignment Sensitivity:** The distributed nature of the metamaterial array could offer greater tolerance to the precise positioning of the receiving device.\n*   **Compact Form Factor:** The planar design enables integration into sleek, modern product designs.\n\n**Code-Level Implications:**\nFor engineers working with this technology, code-level implications would involve advanced electromagnetic simulation software (e.g., CST Studio Suite, ANSYS HFSS, COMSOL Multiphysics) for designing and optimizing the unit cells and array. This would include parameterizing the geometric features, simulating their S-parameters, and analyzing the resulting near-field and far-field radiation patterns. Fabrication would involve standard PCB manufacturing techniques for the metal patches and vias, potentially with advanced lithography for finer feature sizes if required. Control systems might involve software to dynamically adjust frequency or phase for beam steering in more advanced implementations.\n\nIn summary, this patent presents a robust technical framework for a next-generation wireless charging antenna. Its reliance on metamaterial principles, precise unit cell design, and careful integration of RF ports and vias positions it as a significant advancement in achieving efficient, long-range, and spatially flexible wireless power transfer.","business_analysis":"The patent for an \"Antenna for Wireless Charging Systems\" (US-9853485) represents a profound business opportunity, poised to disrupt the wireless charging market and unlock new revenue streams across diverse industries. This innovation, centered on a metamaterial-based antenna, addresses critical limitations in existing wireless power transfer technologies, offering significant commercial advantages.\n\n**Market Opportunity Size:**\nThe global wireless charging market is projected to grow substantially, driven by the proliferation of smart devices, IoT ecosystems, and the increasing demand for convenience. While current market estimates vary, the total addressable market (TAM) for wireless power solutions, including consumer electronics, industrial IoT, medical devices, and even automotive applications, is valued in the tens of billions of dollars and is expected to reach hundreds of billions in the coming decade. This patent specifically targets the high-value segments demanding greater efficiency, longer range, and spatial freedom—areas where existing solutions fall short. By enabling truly ubiquitous and seamless power, this technology can expand the market beyond simple charging pads to entire wirelessly powered environments.\n\n**Competitive Advantages:**\nThis metamaterial antenna system provides several compelling competitive advantages:\n\n1.  **Superior Performance:** Unlike conventional inductive coils or resonant antennas, this invention promises significantly higher efficiency over greater distances and reduced sensitivity to device alignment. This translates directly into a better user experience and more reliable power delivery.\n2.  **Technological Differentiation:** The use of metamaterials for wireless power transfer is a cutting-edge approach. Companies leveraging this patent can differentiate their products as 'next-generation' or 'truly wire-free,' standing out in a crowded market.\n3.  **Versatility and Integration:** The planar and customizable nature of metamaterial layers allows for sleek integration into various products and surfaces, from furniture and vehicles to industrial floors and medical devices, opening up a wider range of application possibilities.\n4.  **Enabling New Use Cases:** By overcoming current limitations, this technology can enable entirely new product categories and services, such as wirelessly powered smart homes, always-on IoT sensor networks, or autonomous charging for robotics, creating first-mover advantages.\n\n**Revenue Potential and Business Models:**\nRevenue generation from this technology could manifest in several ways:\n\n*   **Licensing:** The patent holder can license the technology to consumer electronics manufacturers, automotive companies, or industrial equipment providers.\n*   **Component Sales:** Manufacturing and selling the metamaterial antenna modules as a core component for various products.\n*   **Integrated Solutions:** Developing and deploying complete wireless charging infrastructure (e.g., smart tables, charging zones in public spaces, industrial floor charging systems).\n*   **Subscription Services:** For large-scale deployments, a 'power-as-a-service' model could emerge, where users pay for access to ubiquitous wireless power zones.\n\n**Strategic Positioning:**\nCompanies that adopt or develop solutions based on this patent will be strategically positioned at the forefront of the wireless power revolution. They can capture significant market share by offering solutions that solve long-standing pain points for consumers and businesses. This positions them as innovators and leaders in the transition to a truly wire-free world, moving beyond the current limitations of contact-based or short-range charging.\n\n**ROI Projections:**\nInvestment in this technology, either through R&D, licensing, or product development, is likely to yield substantial returns. Early adopters can expect:\n\n*   **Increased Market Share:** By offering superior products, companies can attract more customers and grow their market presence.\n*   **Premium Pricing:** The advanced capabilities and convenience can command higher price points for products incorporating this technology.\n*   **Reduced Operational Costs:** For industrial applications, autonomous wireless charging can reduce manual intervention, downtime, and maintenance costs.\n*   **New Revenue Streams:** The ability to create new products and services can open up entirely new profit centers.\n\nIn conclusion, the \"Antenna for Wireless Charging Systems\" patent is more than a technical marvel; it's a powerful business enabler. Its potential to redefine wireless power transfer makes it a critical innovation for companies seeking to lead in the next wave of technological advancement and capture a significant share of a rapidly expanding market.","faqs":[{"answer":"The Antenna for Wireless Charging Systems, protected by patent US-9853485, is an innovative wireless transmission apparatus that leverages metamaterial technology to significantly enhance wireless power transfer. Unlike conventional antennas, which are constrained by natural material properties, this invention utilizes an engineered metamaterial system to manipulate electromagnetic waves with unprecedented precision.\n\nAt its core, the patent describes a metamaterial layer composed of an array of meticulously designed unit cells. Each unit cell features a metal patch with a precisely defined aperture, within which an element is strategically disposed. This intricate design, combined with strategically placed RF ports and vias, allows the system to efficiently transmit and receive power over greater distances and with higher efficiency than traditional wireless charging solutions.\n\nIn essence, the Antenna for Wireless Charging Systems aims to provide a more flexible, robust, and truly 'wireless' charging experience, moving beyond the short-range and alignment-sensitive limitations of existing technologies. It represents a fundamental shift in how power can be delivered to electronic devices.","question":"What is Antenna for Wireless Charging Systems (US-9853485)?"},{"answer":"The Antenna for Wireless Charging Systems operates on the principles of metamaterial electromagnetics. The key component is a metamaterial layer, which is an array of highly specialized 'unit cells.' Each unit cell is designed to act as a tiny resonator or electromagnetic 'lens.'\n\nSpecifically, each unit cell has a metal patch containing an aperture (an opening). Within this aperture, a particular element is placed, and the aperture's edges are carefully positioned within the unit cell's overall boundaries. This precise geometry allows the unit cell to interact with electromagnetic waves in a unique way, enabling the metamaterial layer to effectively guide, focus, and direct power. Instead of simply radiating energy in all directions, the metamaterial array can shape the electromagnetic field to efficiently beam power towards a receiving device.\n\nPower is fed into this metamaterial layer via at least one input RF (Radio Frequency) port, which is located on a backing layer beneath the metamaterial. Vias, which are small conductive connections, link the RF port to the array of unit cells, ensuring efficient power distribution throughout the metamaterial structure. This integrated design allows the Antenna for Wireless Charging Systems to achieve superior range and efficiency by intelligently manipulating the invisible waves that carry energy.","question":"How does Antenna for Wireless Charging Systems work?"},{"answer":"The Antenna for Wireless Charging Systems (US-9853485) primarily solves the long-standing problems of limited range, low efficiency, and strict alignment requirements inherent in most existing wireless charging technologies. Traditional inductive charging, for instance, demands that devices be placed almost in direct contact with a charging pad, and often in a very specific orientation.\n\nThis creates significant inconveniences for users, restricts the placement of devices, and limits the potential for truly ubiquitous wireless power. Imagine having to precisely place every smart device in your home onto a specific spot to charge – it quickly becomes impractical. The patent addresses these bottlenecks by introducing a metamaterial-based antenna that can transfer power efficiently over greater distances and with more spatial freedom. This means devices can charge passively and continuously within a designated area, without needing perfect alignment or close physical contact, thus liberating users and devices from the constraints of wires and charging pads.","question":"What problem does Antenna for Wireless Charging Systems solve?"},{"answer":"The patent data provided does not list the specific inventors for Antenna for Wireless Charging Systems (US-9853485). However, typically, patents are filed by individuals or teams of researchers and engineers who have developed the innovative technology. The assignee, which is the entity that owns the patent (often a company or university), is also not provided in the given data. In general, such groundbreaking work often emerges from corporate R&D departments or academic research institutions focused on advanced electromagnetics and materials science. The absence of this specific information does not diminish the technical merit or potential impact of the Antenna for Wireless Charging Systems innovation itself.","question":"Who invented Antenna for Wireless Charging Systems?"},{"answer":"The Antenna for Wireless Charging Systems offers several significant benefits that set it apart from conventional wireless charging solutions:\n\nFirstly, it provides **extended range** for power transfer. Unlike traditional systems that require close proximity, this metamaterial antenna can efficiently deliver power over greater distances, enabling devices to charge without being directly on a pad. Secondly, it boasts **higher efficiency**, meaning less energy is wasted during transmission, leading to faster charging and reduced energy consumption. This is achieved through the metamaterial's ability to precisely manipulate and focus electromagnetic waves.\n\nThirdly, the innovation offers **greater spatial freedom**. Devices no longer need to be perfectly aligned or placed in a specific 'sweet spot' to charge. They can receive power simply by being within the charging zone created by the Antenna for Wireless Charging Systems. Lastly, its **compact and planar design** allows for discrete integration into various surfaces and products, making it suitable for a wide array of applications without adding significant bulk. These benefits collectively contribute to a truly seamless and convenient wireless power experience.","question":"What are the key benefits of Antenna for Wireless Charging Systems?"},{"answer":"The Antenna for Wireless Charging Systems (US-9853485) fundamentally differs from prior art in its use of **metamaterial technology** to overcome inherent physical limitations. Prior art, primarily consisting of inductive and resonant coupling systems, relies on the intrinsic electromagnetic properties of natural materials like copper coils.\n\nInductive charging (e.g., Qi standard) is highly efficient but only over very short distances (millimeters) and requires precise alignment. Resonant charging offers slightly longer range but often involves bulky coils, can be susceptible to environmental factors, and still has alignment sensitivities. The Antenna for Wireless Charging Systems, by contrast, employs an engineered metamaterial layer with intricate unit cells that actively manipulate electromagnetic waves at a sub-wavelength scale. This allows for superior control over wave propagation, enabling significantly extended range and higher efficiency simultaneously, without the strict alignment demands or bulk of older technologies. It shifts from passive energy transfer to active, intelligent field shaping, marking a significant technological leap.","question":"How is Antenna for Wireless Charging Systems different from prior art?"},{"answer":"The Antenna for Wireless Charging Systems (US-9853485) is poised to have a transformative impact across a wide range of industries, driven by its ability to provide efficient, long-range, and flexible wireless power.\n\nIn **consumer electronics**, it will enable truly wire-free smart homes, allowing smartphones, wearables, tablets, and IoT devices to charge continuously and invisibly. For **industrial IoT and automation**, it can provide autonomous charging for robots, sensors, and drones, eliminating downtime and manual battery management, thereby boosting operational efficiency. The **medical sector** stands to benefit significantly, with possibilities for wirelessly powered implants and external medical devices that require less invasive maintenance or battery replacements.\n\nFurthermore, the **automotive industry** could see applications in passive charging for electric vehicles while parked, or even dynamic charging on specially equipped roads. **Smart infrastructure** and public spaces will also be transformed, with ambient wireless power zones becoming commonplace. This innovation is a foundational technology that will enable new product categories and enhance existing ones across virtually any sector that relies on battery-powered devices.","question":"What industries will Antenna for Wireless Charging Systems impact?"},{"answer":"The patent for Antenna for Wireless Charging Systems (US-9853485) was officially filed on **October 28, 2015**. The subsequent publication date, indicating when the patent document was made publicly available, was **December 26, 2017**. This timeline shows the typical process of patent examination, where an invention is submitted and then, after a period of review and approval by the patent office, is formally published. The publication marks a significant milestone, making the technical details of the Antenna for Wireless Charging Systems publicly accessible for review by other innovators, researchers, and businesses. This allows for further development, licensing, and commercialization based on the protected intellectual property.","question":"When was Antenna for Wireless Charging Systems filed/granted?"},{"answer":"The commercial applications for the Antenna for Wireless Charging Systems (US-9853485) are extensive and diverse, spanning numerous industries due to its enhanced capabilities in wireless power transfer.\n\nIn the **consumer market**, it enables truly seamless charging for personal electronics like smartphones, smartwatches, and laptops, potentially integrated into furniture, countertops, or walls. This moves beyond charging pads to entire 'power zones.' For **smart homes and buildings**, it facilitates continuous power for IoT devices, sensors, and smart appliances, reducing the need for batteries or wires. In **healthcare**, it can be used for wirelessly charging medical implants, improving patient comfort and reducing the need for invasive procedures, as well as powering external monitoring devices.\n\nFor **industrial and logistical operations**, the technology can provide autonomous charging for robotics, automated guided vehicles (AGVs), and warehouse sensors, minimizing downtime and optimizing workflow. Furthermore, in the **automotive sector**, it could enable passive charging for electric vehicles in garages or public parking, and potentially dynamic charging on roads. These applications highlight the immense potential of the Antenna for Wireless Charging Systems to create new product categories and significantly enhance existing ones across a broad commercial landscape.","question":"What are the commercial applications of Antenna for Wireless Charging Systems?"},{"answer":"Future developments for the Antenna for Wireless Charging Systems (US-9853485) are likely to build upon its foundational metamaterial principles to achieve even more sophisticated and versatile wireless power solutions. One key area of development will be **dynamic beamforming**, where the antenna could intelligently detect and track multiple devices, focusing power precisely on them as they move within a space. This would further enhance efficiency and user experience.\n\nAnother direction is **multi-frequency operation**, allowing the antenna to efficiently transfer power across various frequency bands to accommodate different types of devices and power requirements, or even to integrate with existing communication frequencies. We can also anticipate advancements in **scalability and integration**, where the metamaterial layers become even thinner, more flexible, and capable of being seamlessly embedded into a wider array of materials and environments, from textiles to large architectural surfaces.\n\nFurther research into **active metamaterials** could introduce real-time tunability, allowing the antenna's properties to be adjusted on the fly to optimize performance for changing conditions. Ultimately, these developments aim to make wireless power not just convenient, but truly ubiquitous, intelligent, and an invisible part of our daily technological infrastructure.","question":"What are the future developments expected for Antenna for Wireless Charging Systems?"}],"topics":["Antenna for Wireless Charging Systems","wireless charging","metamaterial antenna","wireless power transfer","US-9853485","pursuit","efficient","spatially"],"tech_cluster":null},"seo":{"title":"Antenna for Wireless Charging Systems - Patent US-9853485","description":"Discover the Antenna for Wireless Charging Systems patent (US-9853485). A metamaterial innovation for extended range, high-efficiency wireless power transfer. Explore technical details, applications & market impact.","keywords":["Antenna for Wireless Charging Systems","wireless charging","metamaterial antenna","wireless power transfer","US-9853485","RF antenna","unit cell design","efficient charging","extended range wireless power","patent analysis","H02J wireless power","metamaterial system","rf port"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853485","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-9853485","citation_suggestion":"Patentable. \"Antenna for wireless charging systems\" (US-9853485). https://patentable.app/patents/US-9853485","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853485","json":"https://patentable.app/api/llm-context/US-9853485","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:35:00.436Z"}