{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11294821","patent":{"patent_number":"US-11294821","title":"Write-back cache device","assignee":null,"inventors":[],"filing_date":"2021-02-26T00:00:00.000Z","publication_date":"2022-04-05T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F"],"num_claims":8,"abstract":"A write-back cache device of an embodiment includes a first storage device capable of storing n pieces of unit data in each of a plurality of cache lines, a second storage device configured to store state instruction data in each of the plurality of cache lines, and a cache controller configured to control inputting to and outputting from the first and second storage devices. The state instruction data has a first value when data in a cache line is not different from data in a main memory, has a second value when two or more pieces of unit data are different from data in the main memory, or has a third value when only one piece of unit data is different from data in the main memory."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Write-back cache device","description":"A write-back cache device of an embodiment includes a first storage device capable of storing n pieces of unit data in each of a plurality of cache lines, a second storage device configured to store s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11294821","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-11294821","citation_suggestion":"Patentable. \"Write-back cache device\" (US-11294821). https://patentable.app/patents/US-11294821","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11294821","json":"https://patentable.app/api/llm-context/US-11294821","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:29:08.204Z"}