{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9805173","patent":{"patent_number":"US-9805173","title":"Information processing device, information storage device, server, information processing system, information processing method and medium for reproduction of encrypted content","assignee":null,"inventors":[],"filing_date":"2013-06-26T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["H04L","G06F","G11B","G11B","G11B","H04N","H04N","H04N","H04N","H04N","H04N","H04L"],"num_claims":12,"abstract":"An information storage device including one or more processors configured to store an encrypted content and to control access of an external device to the information storage device is provided. The one or more processors are further configured to store a converted title key obtained by converting a title key which is an encryption key to be applied to decryption of the encrypted content, and a user token obtained by converting binding secret information to be applied to calculate the title key from the converted title key. The one or more processors are further configured to allow the external device having a confirmed access right to the information storage device to read out the user token."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Information processing device, information storage device, server, information processing system, information processing method and medium for reproduction of encrypted content","description":"An information storage device including one or more processors configured to store an encrypted content and to control access of an external device to the information storage device is provided. The o","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9805173","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-9805173","citation_suggestion":"Patentable. \"Information processing device, information storage device, server, information processing system, information processing method and medium for reproduction of encrypted content\" (US-9805173). https://patentable.app/patents/US-9805173","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9805173","json":"https://patentable.app/api/llm-context/US-9805173","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:20:19.386Z"}