Physical disabilities and computing technologies: an analysis of impairments
The human-computer interaction handbook
Feel who's talking: using tactons for mobile phone alerts
CHI '06 Extended Abstracts on Human Factors in Computing Systems
New parameters for tacton design
CHI '07 Extended Abstracts on Human Factors in Computing Systems
Towards identifying distinguishable tactons for use with mobile devices
Proceedings of the 11th international ACM SIGACCESS conference on Computers and accessibility
Maintaining levels of activity using a haptic personal training application
CHI '10 Extended Abstracts on Human Factors in Computing Systems
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While mobile technologies, such as smart phones offer the benefits of portability and ubiquity, the small visual display can introduce a variety of challenges for users. Tactile feedback provides one solution to reduce the burden on the visual channel. However, the vibro-tactile signals presented by existing commercial mobile devices are relatively simple in nature and limited in number and hence cannot communicate broad set of semantic meanings or commands used in mobile applications and technologies. The research proposed in this paper, focuses on investigating how tactile feedback can be designed specifically for mobile interfaces, with the aim of improving and enriching user interactions when the visual channel is blocked or restricted (e.g. for blind or situationally-impaired users). More specifically, the aim is to investigate ways to widen the tactile bandwidth, through the manipulation of the parameters of touch. The resulting effects will be integrated within a range of mobile applications, and evaluated under a variety of common scenarios where distracters exist, to address the efficacy of the tactile icons developed. A framework of assistive tactile icons will be developed for mobile interface designers for reference, when aiming to improve non-visual access to mobile applications.