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TitleMarked object recognition multitouch screen printed touchpad for interactive applications
Author(s)Nunes, Jivago Serrado Gomes Aguiar
Castro, Nelson
Gonçalves, Sérgio
Pereira, Nélson
Correia, Vítor Manuel Gomes
Lanceros-Méndez, S.
KeywordsFlexible sensors
Touch sensors
Object recognition
Printable sensors
Tactile data processing
Issue dateDec-2017
PublisherMDPI Publishing
CitationNunes, J. S., Castro, N., Gonçalves, S., Pereira, N., Correia, V., & Lanceros-Mendez, S. (2017). Marked Object Recognition Multitouch Screen Printed Touchpad for Interactive Applications. Sensors, 17(12), 2786
Abstract(s)The market for interactive platforms is rapidly growing, and touchscreens have been incorporated in an increasing number of devices. Thus, the area of smart objects and devices is strongly increasing by adding interactive touch and multimedia content, leading to new uses and capabilities. In this work, a flexible screen printed sensor matrix is fabricated based on silver ink in a polyethylene terephthalate (PET) substrate. Diamond shaped capacitive electrodes coupled with conventional capacitive reading electronics enables fabrication of a highly functional capacitive touchpad, and also allows for the identification of marked objects. For the latter, the capacitive signatures are identified by intersecting points and distances between them. Thus, this work demonstrates the applicability of a low cost method using royalty-free geometries and technologies for the development of flexible multitouch touchpads for the implementation of interactive and object recognition applications.
Publisher version
AccessOpen access
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)

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