Patent ID: 11933906
Assignee: GOOGLE LLC
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A portable electronic device, comprising:
a memory;
a communication interface configured for wireless communication with a wearable accessory;
one or more processors in communication with the memory and the communication interface, the one or more processors configured to:
receive first location information from a navigation system at a first time;
receive first barometric information from the wearable accessory at the first time;
receive second location information from the navigation system at a second time;
receive second barometric information from the wearable accessory at the second time;
detect a change in vertical distance between the portable electronic device and the wearable accessory from the first time to the second time;
determine updated second location information, including at least a z coordinate for the second time, based on the second location information, the first and second barometric information, and the change in vertical distance; and
provide turn-by-turn navigation instructions using the updated second location information.