{"number":"US12703005B2","kindCode":"B2","documentType":"grant","title":{"original":"Sensors and methods for generating spatially encoded acoustic fields by sound-emitting apertures with spatially varying frequency and bandwidth","english":"Sensors and methods for generating spatially encoded acoustic fields by sound-emitting apertures with spatially varying frequency and bandwidth"},"abstract":{"original":"An acoustic transducer for generating and/or receiving a spatially structured acoustic field includes a total aperture which generates and/or receives the acoustic field. The total aperture includes a plurality of sub-apertures. Each of the sub-apertures is arranged to receive and/or generate ultrasound having a specific frequency spectrum. The specific frequency spectra of at least two of the sub-apertures differ. All sub-apertures of the total aperture are connected to a same electronic drive channel.","english":"An acoustic transducer for generating and/or receiving a spatially structured acoustic field includes a total aperture which generates and/or receives the acoustic field. The total aperture includes a plurality of sub-apertures. Each of the sub-apertures is arranged to receive and/or generate ultrasound having a specific frequency spectrum. The specific frequency spectra of at least two of the sub-apertures differ. All sub-apertures of the total aperture are connected to a same electronic drive channel."},"applicants":["FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V."],"inventors":["STEFFEN TRETBAR","MARC FOURNELLE","DANIEL SCHMITT"],"filingDate":"2022-04-28","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12703005B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12703005B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12703005B2","ja":"https://downloadpatent.com/ja/patent/US12703005B2"}}