Battery-less keyboard for mobile devices Touch-less keyboard for wearable devices

  • Stage Prototype Ready
  • Industry Computers and Peripherals
  • Location San Jose, CA, USA
  • Currency USD
  • Founded May 2013
  • Website optotac.com

Company Summary

OptoTac aims to provide input device and method for mobile and wearable devices.
--Optical keyboard is normal keyboard, but using ambient light instead of battery to operate, so to offer the maximum convenience and portability to mobile device users.
--Touch-less keyboard is an input method for smartwatch by utilizing its on board camera to provide a virtual keyboard that is 3x of actual, so to resolve small screen problem.


  • Default avatar
    Chang Cheng

    With expertise in image process, computer vision and UI, worked as software engineer at different companies. PhD in EE.

  • 8c9068a0 93d7 4ec5 a893 bd7306f0020c

    With expertise in product development, hardware development, manufacture, sensors, worked as engineer, R&D manager, and Chief scientist at different companies. PhD in applied physics