The Bat System

3D Ultrasonic Positioning for People and Objects

Bats are lightweight wearable devices featuring ultrasonic transducers, a 433Mhz radio transceiver and a long-life battery, amongst other components. They are used throughout the DTG to precisely locate people and objects, providing a location-aware environment. Each Bat is distinguished by a unique identification code and permits input through two small buttons on its side.

Introduction to the Bat System: An introduction and overview of the Active Bat system and the DTG's sentient infrastructure.

DTG Door Controller: an overview of how the automated unlocking of the DTG front door using the Bat system functions.

Usage Patterns?: Statistics and usage figures for the Bat system

Photos: Photos of the Bat system and of the older Active Badge system