{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11472668","patent":{"patent_number":"US-11472668","title":"Elevator alarm systems","assignee":null,"inventors":[],"filing_date":"2019-11-05T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["G06F","H02J"],"num_claims":20,"abstract":"Electrical systems of elevators and methods thereof, with an elevator alarm system configured to provide an alarm within an elevator car of the elevator system, wherein the elevator alarm system is configured to be supplied with power from a primary power source. A secondary power source includes a first storage device and a second storage device and a controller is configured to control a power flow from the secondary power source to the elevator alarm system when the primary power source fails and test a capacity of the first storage device by discharging a power of the first storage device and storing said discharged power within the second storage device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Elevator alarm systems","description":"Electrical systems of elevators and methods thereof, with an elevator alarm system configured to provide an alarm within an elevator car of the elevator system, wherein the elevator alarm system is co","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11472668","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-11472668","citation_suggestion":"Patentable. \"Elevator alarm systems\" (US-11472668). https://patentable.app/patents/US-11472668","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11472668","json":"https://patentable.app/api/llm-context/US-11472668","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:37:03.888Z"}