{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9671467","patent":{"patent_number":"US-9671467","title":"Electric power meter capable of monitoring contact status of latch relay","assignee":null,"inventors":[],"filing_date":"2015-03-23T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["G05B"],"num_claims":5,"abstract":"An electric power meter capable of monitoring a contact status of a latch relay, comprises: a latch relay having a pair of primary coils and a secondary contact, the secondary contact operable to a closed position or an open position, the primary coils configured to provide a magnetic force to open or close the secondary contact; and a meter controller configured to determine that the latch relay is in a closed position when the input voltage of the primary coils is substantially equal to the output voltage of the secondary contact with a predetermined allowable error range, and configured to determine that the latch relay is in an open position when the output voltage of the secondary contact has not been input, even if the input voltage of the primary coils has been input."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Electric power meter capable of monitoring contact status of latch relay","description":"An electric power meter capable of monitoring a contact status of a latch relay, comprises: a latch relay having a pair of primary coils and a secondary contact, the secondary contact operable to a cl","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9671467","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-9671467","citation_suggestion":"Patentable. \"Electric power meter capable of monitoring contact status of latch relay\" (US-9671467). https://patentable.app/patents/US-9671467","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9671467","json":"https://patentable.app/api/llm-context/US-9671467","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:00:57.932Z"}