Position determination system for movable objects or personnel

This invention describes a system to track the location of people or objects. It uses small, portable sensors, which can be worn or embedded, that contain an inertial navigation system. These sensors are initially calibrated by a high-accuracy device and then broadcast their own position data wirelessly.

Why it matters: Filed before miniaturized, low-power inertial sensors and efficient wireless communication were widely available. Modern MEMS INS modules and ubiquitous low-power wireless protocols make such a wearable system practical and cost-effective today.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedInertial sensors, wireless module, calibration software

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