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1. Multimodal tactile displays
2. Electrotactile DIsplays
3. Electrovibration
1. Ray, Rahul Kumar, Payal Patel, and M. Manivannan. "Reduction of electrotactile perception threshold using subthreshold vibrotactile stimuli." Displays 69 (2021): 102056.
2. Patel, Payal, Rahul Kumar Ray, and Muniyandi Manivannan. "Power Law Based “Out of Body” Tactile Funneling for Mobile Haptics." IEEE transactions on haptics 12.3 (2019): 307-318.
3. Jagan KB, Ray, Rahul Kumar and M. Manivannan.” Reduction of Electrovibration Threshold Using Subthreshold Electrotactile Stimulation”, Journal of Applied Perception 2023
4. Ray, Rahul Kumar, and M. Manivannan. “Electrotactile Displays: Taxonomy, Cross-modality, Psychophysics and Challenges”, Frontiers in VR (Under Review)
Patents
1. An International patent is Granted, “Method of constructing hybrid tactile display”, Patent no- 201941017493.
Conference Papers
1. Ray, Rahul Kumar, and M. Manivannan. "Reduction of Electrotactile Perception Threshold Using Background Thermal Stimulation." International Conference on Human Interaction and Emerging Technologies. Springer, Cham, 2021.
2. Ray, Rahul Kumar, and M. Manivannan. "Spatial summation of electro-tactile displays at subthreshold." International Conference on Human Interaction and Emerging Technologies. Springer, Cham, 2021.
3. Vasudevan, Madhan Kumar, Rahul Kumar Ray, and Manivannan Muniyandi. "Computational model of a Pacinian corpuscle for an electrical stimulus: Spike-rate and threshold characteristics." International Conference on Human Haptic Sensing and Touch Enabled Computer Applications. Springer, Cham, 2020.
4. Jagan KB, Ray, Rahul Kumar, and M. Manivannan.” Reduction of Electrovibration threshold through subthreshold vibrotactile stimulation”, HAID 2022