{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8543744","patent":{"patent_number":"US-8543744","title":"A/D converter and programmable controller system","assignee":null,"inventors":[],"filing_date":"2009-03-23T00:00:00.000Z","publication_date":"2013-09-24T00:00:00.000Z","cpc_codes":["G05B","G05B","G05B"],"num_claims":3,"abstract":"An A/D converter that is attached to a programmable controller (PLC) and sequentially converts an analog value inputted from outside into a digital value. The A/D converter includes: a shared memory that can read-access from a CPU unit that controls the entire PLC and includes a log storage area with a ring buffer configuration for sequentially logging the digital value and a parameter storage area for storing a head pointer serving as a parameter indicating a position where a next log data is stored; and a logging executing unit that writes a digital value in an address indicated by the head pointer in the log storage area as log data and updates the head pointer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"A/D converter and programmable controller system","description":"An A/D converter that is attached to a programmable controller (PLC) and sequentially converts an analog value inputted from outside into a digital value. The A/D converter includes: a shared memory t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8543744","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-8543744","citation_suggestion":"Patentable. \"A/D converter and programmable controller system\" (US-8543744). https://patentable.app/patents/US-8543744","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8543744","json":"https://patentable.app/api/llm-context/US-8543744","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T17:13:08.652Z"}