{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10488098","patent":{"patent_number":"US-10488098","title":"Refrigerator and controlling method thereof","assignee":null,"inventors":[],"filing_date":"2015-12-07T00:00:00.000Z","publication_date":"2019-11-26T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N"],"num_claims":11,"abstract":"A refrigerator including a compressor, a condenser, and an expansion unit that constitute a refrigeration cycle, an evaporator that evaporates a refrigerant that has passed through the expansion unit, a heater that provides heat for defrosting the evaporator, and a frost sensor that is provided at one side of the evaporator to sense the amount of frost on the evaporator, the frost sensor including a sound-source transmitter that generates a sound-source of a first volume to the evaporator, and a sound-source receiver that receives a sound-source of a second volume formed after the sound-source transmitted by the sound-source transmitter reflects from or passes through the evaporator, and a controller that controls the heater to generate heat, when the difference between the first volume and the second volume reaches a predetermined volume."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Refrigerator and controlling method thereof","description":"A refrigerator including a compressor, a condenser, and an expansion unit that constitute a refrigeration cycle, an evaporator that evaporates a refrigerant that has passed through the expansion unit,","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10488098","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-10488098","citation_suggestion":"Patentable. \"Refrigerator and controlling method thereof\" (US-10488098). https://patentable.app/patents/US-10488098","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10488098","json":"https://patentable.app/api/llm-context/US-10488098","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T05:38:44.681Z"}