{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8493647","patent":{"patent_number":"US-8493647","title":"Compensation method, optical modulation system, and optical demodulation system","assignee":null,"inventors":[],"filing_date":"2013-01-23T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["G02F","H04B","G02F","G02F","G02F","G02F"],"num_claims":6,"abstract":"An optical modulation system has a function to compensate an operating point drift, which occurs in an MZ optical modulator, by carrying out feedback control with use of a low frequency signal. A judgment section judges stability of feedback control. In a case where the feedback control is determined to be unstable, a low frequency signal generating section switches a frequency of the low frequency signal from a first frequency to a second frequency."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Compensation method, optical modulation system, and optical demodulation system","description":"An optical modulation system has a function to compensate an operating point drift, which occurs in an MZ optical modulator, by carrying out feedback control with use of a low frequency signal. A judg","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8493647","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-8493647","citation_suggestion":"Patentable. \"Compensation method, optical modulation system, and optical demodulation system\" (US-8493647). https://patentable.app/patents/US-8493647","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8493647","json":"https://patentable.app/api/llm-context/US-8493647","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:01:29.280Z"}