{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9639997","patent":{"patent_number":"US-9639997","title":"Test apparatus and test method based on DFDAU","assignee":null,"inventors":[],"filing_date":"2014-05-21T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G07C","G05B","G05B","G05D","H04B"],"num_claims":26,"abstract":"The present invention relates to a test apparatus that includes a simulation signal generation portion and a test portion. Embodiments of the simulation signal generation portion include an input interface, a simulation signal generation module, and an output interface. Embodiments of the test portion include wiring extension apparatus, a Digital Flight Data Acquisition Unit and a comparison module."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Test apparatus and test method based on DFDAU","description":"The present invention relates to a test apparatus that includes a simulation signal generation portion and a test portion. Embodiments of the simulation signal generation portion include an input inte","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9639997","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-9639997","citation_suggestion":"Patentable. \"Test apparatus and test method based on DFDAU\" (US-9639997). https://patentable.app/patents/US-9639997","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9639997","json":"https://patentable.app/api/llm-context/US-9639997","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:54:31.521Z"}