{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8487986","patent":{"patent_number":"US-8487986","title":"Impedance matching apparatus and endoscope including the same","assignee":null,"inventors":[],"filing_date":"2012-04-26T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["A61B","H04N","A61B","H04N"],"num_claims":4,"abstract":"An impedance matching apparatus includes: a cable that transmits a rectangular wave outputted from a solid image pickup device; a correlated double sampling circuit that performs scanning of the rectangular wave by sampling the rectangular wave with a timing of a signal clamp pulse being changed, based on a timing of the feed-through sampling pulse fixed at a timing at which the rectangular wave by the cable indicates a high value; a variable resistance provided at a tail end side of the cable; and a resistance value varying unit that, that performs the scanning with a resistance value of the variable resistance being changed, based on a signal outputted from the correlated double sampling circuit, changes a resistance value of the variable resistance so as to match a characteristic impedance of the cable."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Impedance matching apparatus and endoscope including the same","description":"An impedance matching apparatus includes: a cable that transmits a rectangular wave outputted from a solid image pickup device; a correlated double sampling circuit that performs scanning of the recta","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8487986","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-8487986","citation_suggestion":"Patentable. \"Impedance matching apparatus and endoscope including the same\" (US-8487986). https://patentable.app/patents/US-8487986","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8487986","json":"https://patentable.app/api/llm-context/US-8487986","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:51:23.554Z"}