FieldSense – Next generation tactile feedback systems
Haptic technologies have recreated the sense of touch by mechanical or electrical means. This approach has many applications, from video games and virtual reality to robotics and medical research. The key to addressing this diverse market is to make the haptic solution as versatile as possible.
Oxford researchers have developed FieldSense, a haptic feedback technology based on the precise placement of magnetic nodes. The solution requires little or no electrical power and is easy to manufacture. This incredibly versatile and compact methodology can be applied to any of the haptic devices mentioned above in addition to opening the door to new applications.
Simulating senses
The sense of touch is critical to how we perceive the world around us. It helps us discover and classify new objects, as well as alerting us to change in the environment. Over the last 30 years, haptic technologies have sought to provide more immersive experiences by engaging our sense of touch. This has resulted in developments such as tactile electronic displays, virtual reality gaming and interactive medical devices.
Touching the limits
Current haptic technologies focus on the use of vibrational or electronic stimuli. Vibrations are neither specific nor directional meaning that they struggle to provide precise and detailed feedback. Electronic or “shock” stimuli are more precise, but depending on the magnitude of the stimulus, it could be uncomfortable or even painful for the user.
FieldSense – An attractively simple magnetic solution
Researchers at the University of Oxford have developed FieldSense, a haptic technology, which uses affordable, simple arrays of magnetic nodes to generate precise and rapid tactile feedback.
The stimuli provided by field sense can be tailored to the purpose meaning that it could bring haptic technologies into new applications, as an alternative to more widely used electric stimuli.
The main advantages of the technology are as follows:
- Low cost and simple to implement
- Low power usage
- Controllable stimulus
- Pain-free feedback method
Patent Protection
The FieldSense technology is subject to a UK patent application and Oxford University Innovation Ltd. is seeking partners to aid in its commercialisation.
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