{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853697","patent":{"patent_number":"US-9853697","title":"Tag detector of near field communication (NFC) device, NFC device and mobile device including the same","assignee":null,"inventors":[],"filing_date":"2016-07-08T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04B","H02J","H02J","H04B","H04W","H04B","H04B","H04W"],"num_claims":18,"abstract":"A tag detector of a near field communication (NFC) device includes a current monitor configured to monitor a current flowing in a regulator in a preset phase and a detection phase to generate a first sensing current and a second sensing current, respectively, a current to voltage converter configured to convert the first sensing current and the second sensing current to a first sensing voltage and a second sensing voltage, respectively, an analog to digital converter configured to convert the first sensing voltage and the second sensing voltage to a first digital code and a second digital code, respectively, and a decision circuit configured to compare the first digital code and the second digital code, and output a detection signal indicating that another NFC device is within a communication range of the NFC device, based on the comparison."},"analysis":{"summary":"The Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same patent introduces an innovative solution for enhancing the accuracy and reliability of Near Field Communication (NFC) tag detection. The core innovation lies in a system that monitors the current flowing in a regulator during both a preset phase and a detection phase. This monitoring process generates first and second sensing currents, which are then converted to corresponding voltages. An analog-to-digital converter (ADC) transforms these voltages into digital codes, and a decision circuit compares these codes to output a detection signal. This signal indicates whether another NFC device is within communication range. \n\nThe problem being solved is the unreliability of existing NFC systems, which are often susceptible to environmental noise and interference, leading to false positives and inconsistent performance. The key technical approach involves a sophisticated current monitoring technique combined with advanced signal processing. This allows the system to differentiate between genuine NFC tag signals and spurious signals, ensuring more accurate detection. \n\nThe business value of this technology lies in its ability to improve the performance of a wide range of NFC applications. This includes mobile payments, access control systems, inventory management, and data exchange. By enhancing the accuracy and reliability of tag detection, the system can reduce transaction errors, prevent security breaches, and improve the overall user experience. The market opportunity for this technology is significant, given the growing adoption of NFC in various industries. The improved detection accuracy leads to more seamless and secure transactions, reducing the risk of errors or fraudulent activities. \n\nMoreover, the architecture outlined in this patent allows for efficient power management, which is crucial for mobile devices. By optimizing the current monitoring process, the system minimizes energy consumption, thereby extending battery life. The Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same represents a significant advancement in NFC technology, paving the way for more reliable and efficient contactless interactions. The robust detection mechanism and power-saving features make it a valuable addition to any NFC-enabled device. The future implications of this technology could also extend to areas such as IoT and smart home applications, where seamless and reliable NFC communication is essential.","layman_explanation":"The Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same addresses a common problem with Near Field Communication (NFC) technology: unreliable tag detection. NFC is used in many applications, such as mobile payments, access control, and data transfer. However, existing NFC systems often struggle with accuracy due to interference and other factors.\n\nThis patent describes a new approach to improve NFC tag detection. Instead of just listening for a signal, this system monitors the electrical current within the NFC device. By carefully watching how the current changes, the device can more accurately determine if another NFC tag is nearby. Think of it like listening to a car engine: an experienced mechanic can tell a lot about the car's health just by listening to the engine's sounds.\n\nThis improved accuracy has several important business implications. For mobile payments, it means fewer failed transactions and happier customers. For access control, it means more secure entry systems. More broadly, it makes NFC technology more reliable and useful across a range of applications. The key advantage is that it provides a more robust way to ensure NFC interactions happen smoothly and securely, reducing errors and improving the user experience. \n\nLooking ahead, this technology could lead to even more widespread adoption of NFC in various industries. As NFC becomes more reliable, businesses will be more likely to integrate it into their products and services. This could open up new opportunities for innovation and investment in the NFC space.","technical_analysis":"The Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same patent presents a novel approach to NFC tag detection through advanced current monitoring techniques. The technical architecture revolves around a system that monitors the current flowing in a regulator during a preset phase and a detection phase. This is achieved by generating first and second sensing currents, which are then converted to voltages using a current-to-voltage converter. These voltages are subsequently digitized using an analog-to-digital converter (ADC), resulting in first and second digital codes. Finally, a decision circuit compares these codes to output a detection signal, indicating the presence of an NFC tag within communication range. \n\nThe implementation details involve careful selection and optimization of components such as the current monitor, voltage converters, and ADC. The current monitor must be highly sensitive and accurate to detect subtle changes in current flow. The voltage converters must efficiently convert the sensing currents into voltages without introducing significant noise. The ADC must provide high-resolution digitization to ensure accurate signal processing. The algorithm used by the decision circuit is critical for differentiating between genuine NFC tag signals and spurious signals caused by environmental noise and interference. This algorithm typically involves thresholding and filtering techniques to minimize false positives and ensure reliable detection. \n\nThe integration patterns for this technology involve incorporating the system into existing NFC devices and systems. This requires careful consideration of the device's power supply, communication interfaces, and software stack. The performance characteristics of the system are influenced by factors such as the sensitivity of the current monitor, the resolution of the ADC, and the speed of the decision circuit. The code-level implications involve implementing the signal processing algorithms in software or firmware, ensuring that they are optimized for performance and power efficiency. The Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same represents a significant advancement in NFC technology, paving the way for more reliable and efficient contactless interactions. The robust detection mechanism and power-saving features make it a valuable addition to any NFC-enabled device. The future implications of this technology could also extend to areas such as IoT and smart home applications, where seamless and reliable NFC communication is essential.","business_analysis":"The Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same patent offers significant business opportunities by addressing a critical issue in NFC technology: the reliability of tag detection. The market opportunity size is substantial, given the widespread adoption of NFC in various industries, including mobile payments, access control, and inventory management. The competitive advantages of this technology stem from its ability to improve the accuracy and reliability of NFC tag detection. Existing NFC systems are often susceptible to environmental noise and interference, leading to false positives and inconsistent performance. The Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same solves this problem by employing a sophisticated current monitoring technique combined with advanced signal processing. This allows the system to differentiate between genuine NFC tag signals and spurious signals, ensuring more accurate detection. \n\nThe revenue potential of this technology is significant, as it can be licensed to NFC device manufacturers and system integrators. The business model could involve upfront licensing fees, royalty payments based on sales volume, or a combination of both. Strategic positioning is crucial for maximizing the market impact of this technology. This involves targeting key industry players and demonstrating the value proposition of improved NFC reliability. ROI projections indicate that the Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same can generate substantial returns for investors, given its potential to improve the performance of a wide range of NFC applications. The improved detection accuracy leads to more seamless and secure transactions, reducing the risk of errors or fraudulent activities. Moreover, the architecture outlined in this patent allows for efficient power management, which is crucial for mobile devices. By optimizing the current monitoring process, the system minimizes energy consumption, thereby extending battery life. The Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same represents a significant advancement in NFC technology, paving the way for more reliable and efficient contactless interactions. The robust detection mechanism and power-saving features make it a valuable addition to any NFC-enabled device. The future implications of this technology could also extend to areas such as IoT and smart home applications, where seamless and reliable NFC communication is essential.","faqs":null,"topics":["NFC tag detection","contactless payments","mobile NFC","NFC security","current monitoring"],"tech_cluster":null},"seo":{"title":"NFC Tag Detector - Reliable Contactless Communication","description":"Enhance NFC accuracy with the Tag Detector of Near Field Communication (nfc) Device, NFC Device and Mobile Device Including the Same. Improved detection, secure payments, and efficient power management.","keywords":["NFC tag detection","contactless payments","mobile NFC","NFC security","current monitoring","patent","patent US-9853697"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853697","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-9853697","citation_suggestion":"Patentable. \"Tag detector of near field communication (NFC) device, NFC device and mobile device including the same\" (US-9853697). https://patentable.app/patents/US-9853697","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853697","json":"https://patentable.app/api/llm-context/US-9853697","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:21:12.970Z"}