{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9594678","patent":{"patent_number":"US-9594678","title":"Preventing duplicate entries of identical data in a storage device","assignee":null,"inventors":[],"filing_date":"2015-05-27T00:00:00.000Z","publication_date":"2017-03-14T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F"],"num_claims":20,"abstract":"Preventing duplicate entries of identical data in a storage device, including: receiving a write request to write data to the storage device; calculating one or more signatures for the data associated with the write request; determining whether any of the calculated signatures match a calculated signature contained in a recently read signature buffer, each entry in the recently read signature buffer associating a calculated signature for data that has been read with an address of a storage location within the storage device where the data is stored; and responsive to determining that one of the calculated signatures matches a calculated signature contained in the recently read signature buffer, determining whether the data associated with the calculated signature is a duplicate of data stored at a particular address that is associated with the calculated signature contained in the recently read signature buffer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Preventing duplicate entries of identical data in a storage device","description":"Preventing duplicate entries of identical data in a storage device, including: receiving a write request to write data to the storage device; calculating one or more signatures for the data associated","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9594678","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-9594678","citation_suggestion":"Patentable. \"Preventing duplicate entries of identical data in a storage device\" (US-9594678). https://patentable.app/patents/US-9594678","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9594678","json":"https://patentable.app/api/llm-context/US-9594678","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:44:24.138Z"}