{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8542995","patent":{"patent_number":"US-8542995","title":"Optical network terminal, method for time syncronization thereof, optical line terminal, and method for managing network thereof","assignee":null,"inventors":[],"filing_date":"2010-10-12T00:00:00.000Z","publication_date":"2013-09-24T00:00:00.000Z","cpc_codes":["H04J","H04J"],"num_claims":14,"abstract":"A method for synchronizing time by an optical network terminal (ONT) in a passive optical network system is provided. The method includes: receiving a ranging request message including a first current time of an optical line terminal (OLT); calculating a first compensation time when a transmission delay is compensated at a time that the ranging request message is received; transmitting a serial number response message to the OLT; calculating a second compensation time when the transmission delay is compensated at a time when the serial number response message is transmitted; receiving a ranging time message including a second current time when the serial number response message from the OLT is received; calculating an offset time from the first current time, the second current time, the first compensation time, and the second compensation time; and synchronizing a clock of the ONT and a clock of the OLT based on the offset time."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical network terminal, method for time syncronization thereof, optical line terminal, and method for managing network thereof","description":"A method for synchronizing time by an optical network terminal (ONT) in a passive optical network system is provided. The method includes: receiving a ranging request message including a first current","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8542995","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-8542995","citation_suggestion":"Patentable. \"Optical network terminal, method for time syncronization thereof, optical line terminal, and method for managing network thereof\" (US-8542995). https://patentable.app/patents/US-8542995","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8542995","json":"https://patentable.app/api/llm-context/US-8542995","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:14:43.087Z"}