{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9699845","patent":{"patent_number":"US-9699845","title":"Control circuit and control method for illumination apparatus","assignee":null,"inventors":[],"filing_date":"2016-06-23T00:00:00.000Z","publication_date":"2017-07-04T00:00:00.000Z","cpc_codes":["G09G","G09G","G09G","G09G","G09G","G09G","G09G","G09G"],"num_claims":20,"abstract":"An error signal generating unit is configured such that (i) in a calibration period, the error signal generating unit is set to a first state in which it amplifies an error signal by amplifying a difference between a predetermined first reference voltage and the lowest one from among multiple first detection voltages, and such that (ii) after the calibration period, the error signal generating unit is set to a second state in which it generates the error signal by amplifying a difference between a second detection voltage and a second reference voltage. A reference voltage setting unit holds, as the second reference voltage, the largest value of the second detection voltage detected in the calibration period."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Control circuit and control method for illumination apparatus","description":"An error signal generating unit is configured such that (i) in a calibration period, the error signal generating unit is set to a first state in which it amplifies an error signal by amplifying a diff","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9699845","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-9699845","citation_suggestion":"Patentable. \"Control circuit and control method for illumination apparatus\" (US-9699845). https://patentable.app/patents/US-9699845","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9699845","json":"https://patentable.app/api/llm-context/US-9699845","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:21:34.306Z"}