{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9672671","patent":{"patent_number":"US-9672671","title":"Relay attack prevention for passive entry/passive start systems","assignee":null,"inventors":[],"filing_date":"2015-07-02T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["G07C","G07C","G07C","G07C"],"num_claims":37,"abstract":"A keyfob is disclosed for use in detecting an attack on a vehicle. The keyfob includes a microcontroller, a wake receiver and an accelerometer. The wake receiver is configured to measure received signal strength and save the measured value in received signal strength indicator (RSSI). The accelerometer is used to generate acceleration data. The microcontroller detects an attack based on the RSSI and the acceleration data."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Relay attack prevention for passive entry/passive start systems","description":"A keyfob is disclosed for use in detecting an attack on a vehicle. The keyfob includes a microcontroller, a wake receiver and an accelerometer. The wake receiver is configured to measure received sign","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9672671","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-9672671","citation_suggestion":"Patentable. \"Relay attack prevention for passive entry/passive start systems\" (US-9672671). https://patentable.app/patents/US-9672671","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9672671","json":"https://patentable.app/api/llm-context/US-9672671","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:23:43.054Z"}