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MEMS ultrasonic transducers for safe, low-power and portable eye-blinking monitoring.

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cam.issuedOnline2022-06-13
dc.contributor.authorSun, Sheng
dc.contributor.authorWang, Jianyuan
dc.contributor.authorZhang, Menglun
dc.contributor.authorNing, Yuan
dc.contributor.authorMa, Dong
dc.contributor.authorYuan, Yi
dc.contributor.authorNiu, Pengfei
dc.contributor.authorRong, Zhicong
dc.contributor.authorWang, Zhuochen
dc.contributor.authorPang, Wei
dc.contributor.orcidWang, Jianyuan [0000-0002-5115-6895]
dc.date.accessioned2022-06-13T16:01:27Z
dc.date.available2022-06-13T16:01:27Z
dc.date.issued2022
dc.date.submitted2021-10-13
dc.date.updated2022-06-13T16:01:27Z
dc.descriptionFunder: Tianjin Municipal Science and Technology Project (No. 20JCQNJC011200), National Key Research and Development Program (No. 2020YFB2008801), and Nanchang Institute for Microtechnology of Tianjin University
dc.description.abstractEye blinking is closely related to human physiology and psychology. It is an effective method of communication among people and can be used in human-machine interactions. Existing blink monitoring methods include video-oculography, electro-oculograms and infrared oculography. However, these methods suffer from uncomfortable use, safety risks, limited reliability in strong light or dark environments, and infringed informational security. In this paper, we propose an ultrasound-based portable approach for eye-blinking activity monitoring. Low-power pulse-echo ultrasound featuring biosafety is transmitted and received by microelectromechanical system (MEMS) ultrasonic transducers seamlessly integrated on glasses. The size, weight and power consumption of the transducers are 2.5 mm by 2.5 mm, 23.3 mg and 71 μW, respectively, which provides better portability than conventional methods using wearable devices. Eye-blinking activities were characterized by open and closed eye states and validated by experiments on different volunteers. Finally, real-time eye-blinking monitoring was successfully demonstrated with a response time less than 1 ms. The proposed solution paves the way for ultrasound-based wearable eye-blinking monitoring and offers miniaturization, light weight, low power consumption, high informational security and biosafety.
dc.identifier.doi10.17863/CAM.85439
dc.identifier.eissn2055-7434
dc.identifier.issn2096-1030
dc.identifier.others41378-022-00396-w
dc.identifier.other396
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/338031
dc.languageen
dc.publisherSpringer Science and Business Media LLC
dc.subjectArticle
dc.subject/639/166/987
dc.subject/639/925/929/170
dc.subjectarticle
dc.titleMEMS ultrasonic transducers for safe, low-power and portable eye-blinking monitoring.
dc.typeArticle
dcterms.dateAccepted2022-04-29
prism.issueIdentifier1
prism.publicationNameMicrosyst Nanoeng
prism.volume8
pubs.funder-project-idNational Natural Science Foundation of China (National Science Foundation of China) (62001322)
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/
rioxxterms.versionVoR
rioxxterms.versionofrecord10.1038/s41378-022-00396-w

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