{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11288157","patent":{"patent_number":"US-11288157","title":"Controller and operation method thereof","assignee":null,"inventors":[],"filing_date":"2019-12-19T00:00:00.000Z","publication_date":"2022-03-29T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G11C","G11C","G11C","G06F","G06F","G06F","G06F","G06F","G11C"],"num_claims":20,"abstract":"A controller controlling a memory device includes an elapsed time calculator receiving a plurality of absolute times from a host when a state of a memory system including the memory device is changed between an active state and an inactive state, the plurality of absolute times including first, second, and third absolute times, calculating an average hibernation time interval between the first and second absolute times, and calculating a system time based on the third absolute time and the average hibernation time interval. The controller further includes a flash translation layer calculating expected usage of the memory device during a monitoring time interval based on the system time, calculating excess usage based on actual usage of the memory device during the monitoring time interval and the expected usage, and controlling the memory device to program data in a single level cell mode until the excess usage is fully consumed."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Controller and operation method thereof","description":"A controller controlling a memory device includes an elapsed time calculator receiving a plurality of absolute times from a host when a state of a memory system including the memory device is changed ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11288157","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-11288157","citation_suggestion":"Patentable. \"Controller and operation method thereof\" (US-11288157). https://patentable.app/patents/US-11288157","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11288157","json":"https://patentable.app/api/llm-context/US-11288157","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:33:27.472Z"}