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Identification of vibrotactile morse code on abdomen and wrist
Region Örebro län.ORCID iD: 0000-0003-4130-7909
Örebro universitet, Institutionen för naturvetenskap och teknik.
University College of Arts, Crafts and Design, Department of Design, Interior Architecture and Visual Communication (DIV), Industrial Design.ORCID iD: 0000-0003-2104-2317
Audiologiskt forskningscentrum i Örebro, Region Örebro län, Örebro, Sweden.
2017 (English)In: International Journal of Engineering Technology and Scientific Innovation, ISSN 2456-1851, Vol. 1, no 4, p. 351-366Article in journal (Refereed) Published
Abstract [en]

Morse code has been used as a communications system at a distance to transmit text through tone or light pulses. This comparative study aims to test and evaluate the vibrotactile identification of Morse coded signals communicating instructions for movement. The pulses were presented on abdomen and wrist among 14 males (40-85 yr) experienced in acoustic Morse code and the rate of pulses was 12 words per minute using a Vibration Motor mounted in a plastic holder. There identification results were statistically significantly better on wrist compared to abdomen. Words were identified significantly better on the wrist as compared to abdomen but the identification results of the letters were equally good in both placements. There was a negative correlation between age and the pooled identification results tested on wrist PCC r=-0.45 (p<0.02). The participants rank ordered the wrist, over the abdomen, as the best place for positioning the vibrator. The results support haptic/tactile interaction research in positioning and communication system. Our future plans are to apply the results to the project "Ready Ride" for instructions for horseback riding for people with deafblindness as well as activity and movement for elderly people with impaired vision and hearing.

Place, publisher, year, edition, pages
2017. Vol. 1, no 4, p. 351-366
National Category
Engineering and Technology Computer and Information Sciences
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URN: urn:nbn:se:konstfack:diva-6087OAI: oai:DiVA.org:konstfack-6087DiVA, id: diva2:1167354
Available from: 2017-12-18 Created: 2017-12-18 Last updated: 2018-01-13Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
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  • asciidoc
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