{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9664661","patent":{"patent_number":"US-9664661","title":"Olfactory application controller integrated circuit","assignee":null,"inventors":[],"filing_date":"2015-04-27T00:00:00.000Z","publication_date":"2017-05-30T00:00:00.000Z","cpc_codes":["G01N","G01N","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":20,"abstract":"An integrated circuit that senses ambient gas concentrations includes a microcontroller, gas sensors, heating resistors and an analog-to-digital converter. A first gas sensor measures a first attribute of a gas concentration, and a second gas sensor measures a second attribute of the gas concentration. The first attribute varies with the gas concentration differently than does the second attribute. The microcontroller controls the duty cycles of signals driven through the heating resistors to adjust the temperatures of the resistors, which are thermally coupled to the gas sensors. A first heating resistor increases the temperature of the first gas sensor to a first target temperature, and a second heating resistor increases the temperature of the second gas sensor to a second target temperature. The analog-to-digital converter converts the attributes measured by the first and second gas sensors into digital values. The microcontroller then uses the digital values to compute the gas concentration."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Olfactory application controller integrated circuit","description":"An integrated circuit that senses ambient gas concentrations includes a microcontroller, gas sensors, heating resistors and an analog-to-digital converter. A first gas sensor measures a first attribut","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9664661","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-9664661","citation_suggestion":"Patentable. \"Olfactory application controller integrated circuit\" (US-9664661). https://patentable.app/patents/US-9664661","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9664661","json":"https://patentable.app/api/llm-context/US-9664661","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:41:33.503Z"}