A battery-free wearable computer input device has been created by computer scientists at the University of Waterloo. This device, called Tip-Tap, can be embedded into gloves or worn directly onto the skin. Tip-Tap allows surgeons to navigate the computer for planning diagrams during surgery without effecting sterilization and other surgical implications. This device is inexpensive and battery-free using radio frequency identification to sense when fingertips touch.

The computer scientists who developed this device evaluated the most comfortable areas on the thumb and index finger to touch. They were able to make the device battery-free by splitting the antenna of a radio frequency identification tag and attaching clips to allow two-dimensions of fingertip input. A prototype was created with the National Research Council of Canada (NRC) and was recently presented at the ACM Symposium on User Interface Software and Technology (UIST).

Occam Technology Group developed a similar product using sensor equipped gloves to measure the forces associated with cutting concrete. Data output from the pressure sensing gloves shows exactly how much less force is needed to cut with a saw shoe. The data acquisition software that Occam developed generated both visual representations of the forces in each hand as well as numeric data for duration of the cut. This project was successful in evaluating the amount of work performed with and without a saw shoe while making a cut of the same length.


About Occam Technology Group

Occam Technology Group is an ISO-certified multidisciplinary engineering firm that creates next generation products through software/hardware design, verification and validation, quality, prototyping, and simulation. These services assist clients and stakeholders in creating innovations for a better tomorrow.

For more information regarding Tip-Tap or Occam Technology Group, please contact Roger Tipton at [email protected] or visit Tip-Tap.

Hannah Calley

Hannah Calley

Marketing Associate