{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9842202","patent":{"patent_number":"US-9842202","title":"Device proximity","assignee":null,"inventors":[],"filing_date":"2014-10-02T00:00:00.000Z","publication_date":"2017-12-12T00:00:00.000Z","cpc_codes":["H04L","G06F","G06Q","H04B","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W"],"num_claims":18,"abstract":"A method of determining the proximity of a first device to a second device, the method comprising, at the second device: receiving a first packet having a first payload and a first lifetime value, the first lifetime value being such so as to cause a device receiving the first packet to not retransmit the first payload; and generating, in dependence on the first packet, a second packet having a second payload and a second lifetime value, the second payload being indicative of the proximity of the first device to the second device and the second lifetime value being such as to cause a device receiving the second packet to retransmit the second payload."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Device proximity","description":"A method of determining the proximity of a first device to a second device, the method comprising, at the second device: receiving a first packet having a first payload and a first lifetime value, the","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9842202","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-9842202","citation_suggestion":"Patentable. \"Device proximity\" (US-9842202). https://patentable.app/patents/US-9842202","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9842202","json":"https://patentable.app/api/llm-context/US-9842202","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:11:07.189Z"}