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The tactile bracelet interface (TABI) is a wristband comprised by eight linear resonant actuators (LRAs), tightened around the wrist with a passive ratchet clamping mechanism.
The tactile bracelet interface (TABI) is a wristband comprised by eight linear resonant actuators (LRAs), tightened around the wrist with a passive ratchet clamping mechanism.
It serves as a wearable device capable of providing haptic cues around the wrist of the user in order to ‘feel’ the interaction with objects in a virtual environment.
It serves as a wearable device capable of providing haptic cues around the wrist of the user in order to ‘feel’ the interaction with objects in a virtual environment.
Tensioner Mechanism
Tensioner Mechanism
A compact ratchet clamping mechanism was designed an integrated within a custom PCB inside a compact case. The mechanism in comprised by a planar spring inserted into a toothed lid.
A compact ratchet clamping mechanism was designed an integrated within a custom PCB inside a compact case. The mechanism in comprised by a planar spring inserted into a toothed lid.
The knob of can be turned in both directions, winding a UHMWP cord around the spool, thus tightening the band's tactile modules against the wrist of the user.
The knob of can be turned in both directions, winding a UHMWP cord around the spool, thus tightening the band's tactile modules against the wrist of the user.
A pair of elastic bands hold the modules together and allow the device to expand according to the user's size.
A pair of elastic bands hold the modules together and allow the device to expand according to the user's size.
How TABI works
How TABI works
LRAs are driven the same way as a speaker, with AC voltage. In order to produce the vibration on each module of TABI is required to send amplified audio signals that will produce the oscillation of the moving mass inside the LARs.
LRAs are driven the same way as a speaker, with AC voltage. In order to produce the vibration on each module of TABI is required to send amplified audio signals that will produce the oscillation of the moving mass inside the LARs.
Syntacts is a framework developed at the MAHI Lab. TABI can be controlled using this open-source hardware and software to produce
fully customizable vibrotactile feedback.
Syntacts is a framework developed at the MAHI Lab. TABI can be controlled using this open-source hardware and software to produce
fully customizable vibrotactile feedback.
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