{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9697670","patent":{"patent_number":"US-9697670","title":"Prepayment-type watt-hour meter","assignee":null,"inventors":[],"filing_date":"2015-04-30T00:00:00.000Z","publication_date":"2017-07-04T00:00:00.000Z","cpc_codes":["G07F","G06Q","G06Q","G06Q"],"num_claims":15,"abstract":"Provided is a prepayment-type watt-hour meter including: a code recognition that recognizes a code image in which information on prepayment of a charge-based amount of electric power that is to be consumed by a load is stored as coded, and that recognizes the information on the prepayment that is stored in the code image; and a control unit that measures an amount of electric power consumption by the load, and that calculates the electric bill for the measured amount of electric power, based on the information on the prepayment that is recognized by the code recognition unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Prepayment-type watt-hour meter","description":"Provided is a prepayment-type watt-hour meter including: a code recognition that recognizes a code image in which information on prepayment of a charge-based amount of electric power that is to be con","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9697670","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-9697670","citation_suggestion":"Patentable. \"Prepayment-type watt-hour meter\" (US-9697670). https://patentable.app/patents/US-9697670","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9697670","json":"https://patentable.app/api/llm-context/US-9697670","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:51:30.538Z"}