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Journals and Conferences
A stimulator array is described which can deliver a wide range of displacement waveforms from each contactor, allowing vibratory stimuli to be targeted towards different populations of mechanoreceptors in the skin. The array has a working bandwidth of 20-400 Hz and 100 moving contactors covering an area of 1 cm2 on the fingertip. The array was validated… (More)
Data from a 100-contactor tactile array on the fingertip (1 mm × 1 mm matrix) suggest that it may be possible to target different receptor populations in the skin by using different frequencies of vibratory stimulation (40 Hz and 320 Hz). Results from perception of a moving target within a uniform "background" vibration indicate that there is greater… (More)
We have produced a 100-contactor array on the fingertip to provide passive stimulation, and a 25contactor array on the fingertip which allows active exploration in 2D. This paper discusses various aspects of the design of such devices.