{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8539255","patent":{"patent_number":"US-8539255","title":"Variable power over ethernet based on link delay measurement","assignee":null,"inventors":[],"filing_date":"2008-05-06T00:00:00.000Z","publication_date":"2013-09-17T00:00:00.000Z","cpc_codes":["G06F","H04L"],"num_claims":18,"abstract":"According to an example embodiment, an apparatus at a power source equipment (PSE) may include a transceiver configured to transmit and receive data via a communications link with a powered device (PD), and a controller configured to: determine a propagation delay of the communications link based on a message exchange between the PSE and the PD, the PSE and PD being connected via the communications link; and determine an amount of power to be supplied via Power Over Ethernet (POE) from the PSE to the PD via the communications link based on the propagation delay of the communications link."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Variable power over ethernet based on link delay measurement","description":"According to an example embodiment, an apparatus at a power source equipment (PSE) may include a transceiver configured to transmit and receive data via a communications link with a powered device (PD","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8539255","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-8539255","citation_suggestion":"Patentable. \"Variable power over ethernet based on link delay measurement\" (US-8539255). https://patentable.app/patents/US-8539255","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8539255","json":"https://patentable.app/api/llm-context/US-8539255","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:31:50.057Z"}