Keyboards & Keypads

Specialized, Rugged Full-Travel Keyboard

The designs for full-travel keyboard feature ergonomic layout, custom encoding with illuminated switches, legends meeting military rugged design specifications.


  • Low profile
  • Full-travel switches
  • Tactile feedback
  • Illuminated legends or annunciators
  • Host computer compatibility
  • Custom enclosures
  • Interfaces available: RS-232, 422, 433 and MIL-C-188
  • Variable rollover protection
  • High-speed baud rates
  • Low power

The keyboard is microprocessor-based using Intel 875H-8 to scan switch closures, debounce and encode actuated key closures in correct sequence.

The switching is based upon solid state switching with switch closures reporting to the host computer via an RS-422 interface.

Optional Features

  • Sculptured key caps
  • Joystick
  • Track ball
  • Mouse I/O

Reliability is built in to operate in rugged environments. The keyboard has successfully completed testing to MIL-STD-810 and currently is flying on the E53A, C-130H and C-130U Gun Ship.