{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11527946","patent":{"patent_number":"US-11527946","title":"Haptic actuator having a double-wound driving coil for temperature- and driving current-independent velocity sensing","assignee":null,"inventors":[],"filing_date":"2020-06-12T00:00:00.000Z","publication_date":"2022-12-13T00:00:00.000Z","cpc_codes":["G01D","G01D","G01D"],"num_claims":44,"abstract":"A haptic engine includes a haptic actuator having a double-wound driving coil in which the two windings are connected with each other either in series or in parallel. By using the double-wound driving coil in which the two windings are connected with each other in series, an instant back EMF voltage induced in either of the two windings can be determined without having to measure in real time a resistance of the corresponding winding, and without having to sense a driving current through the double-wound driving coil. By using the double-wound driving coil in which the two windings are connected with each other in parallel, an instant back EMF voltage induced in either of the two windings can be determined without having to measure in real time a resistance of the corresponding winding."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Haptic actuator having a double-wound driving coil for temperature- and driving current-independent velocity sensing","description":"A haptic engine includes a haptic actuator having a double-wound driving coil in which the two windings are connected with each other either in series or in parallel. By using the double-wound driving","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11527946","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-11527946","citation_suggestion":"Patentable. \"Haptic actuator having a double-wound driving coil for temperature- and driving current-independent velocity sensing\" (US-11527946). https://patentable.app/patents/US-11527946","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11527946","json":"https://patentable.app/api/llm-context/US-11527946","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:18:05.514Z"}