{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11982920","patent":{"patent_number":"US-11982920","title":"Optical transmission device","assignee":null,"inventors":[],"filing_date":"2022-04-05T00:00:00.000Z","publication_date":"2024-05-14T00:00:00.000Z","cpc_codes":["G02F","G02F","H04B","H04B"],"num_claims":12,"abstract":"An optical transmission device includes: an IQ optical modulator to modulate incident light with a modulation signal, and adjust a phase of the modulated light with a phase bias, or adjust a phase of the incident light with the phase bias, and modulate the phase adjusted light with the modulation signal, a light intensity detector to detect light intensity of modulated light, a synchronous detection circuit to synchronously detect a light intensity signal and a dither signal, and a bias signal generating unit to monitor a change in amplitude of the modulation signal, generate the bias signal according to the synchronous detection signal when a range of the change is equal to or less than a first threshold, and generate a bias signal maintaining a phase bias before the range of the change becomes larger than the first threshold as the bias signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical transmission device","description":"An optical transmission device includes: an IQ optical modulator to modulate incident light with a modulation signal, and adjust a phase of the modulated light with a phase bias, or adjust a phase of ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11982920","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-11982920","citation_suggestion":"Patentable. \"Optical transmission device\" (US-11982920). https://patentable.app/patents/US-11982920","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11982920","json":"https://patentable.app/api/llm-context/US-11982920","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T07:02:15.456Z"}