{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9693435","patent":{"patent_number":"US-9693435","title":"Discharge lamp driving device, projector, and discharge lamp driving method","assignee":null,"inventors":[],"filing_date":"2015-12-22T00:00:00.000Z","publication_date":"2017-06-27T00:00:00.000Z","cpc_codes":["H04N","H04N"],"num_claims":15,"abstract":"A discharge lamp driving device includes: a discharge lamp drive unit configured to supply a drive current to a discharge lamp having two electrodes; a voltage detection unit configured to detect an inter-electrode voltage of the discharge lamp; and a control unit configured to control the discharge lamp drive unit, wherein the control unit executes first measurement drive in which a polarity of the drive current is maintained constant at a first polarity, the voltage detection unit measures the inter-electrode voltage multiple times in a first measurement period in which the first measurement drive is executed, and the control unit determines states of the electrodes of the discharge lamp based on a plurality of the inter-electrode voltages measured in the first measurement period."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Discharge lamp driving device, projector, and discharge lamp driving method","description":"A discharge lamp driving device includes: a discharge lamp drive unit configured to supply a drive current to a discharge lamp having two electrodes; a voltage detection unit configured to detect an i","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9693435","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-9693435","citation_suggestion":"Patentable. \"Discharge lamp driving device, projector, and discharge lamp driving method\" (US-9693435). https://patentable.app/patents/US-9693435","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9693435","json":"https://patentable.app/api/llm-context/US-9693435","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:18:37.210Z"}