Patent ID: 11878231
Assignee: GUANGDONG COROS SPORTS TECHNOLOGY JOINT STOCK COMPANY
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 4:
5. A wearable device, comprising:
a barometer; and
a processor, which is configured to:
acquire a first time stamp, wherein the first time stamp is a time at which a user starts climbing;
calculate a single-lap climbing altitude of the user according to data of a barometer;
acquire a second time stamp according to a preset single-lap altitude and the single-lap climbing altitude;
calculate a climbing time according to the first time stamp and the second time stamp;
calculate a single-lap vertical velocity according to the climbing time and the single-lap climbing altitude,
wherein the processor is further configured to:
use a filter included in the wearable device to filter the data of the barometer, and calculate the single-lap climbing altitude of the user according to the filtered data of the barometer;
calculate a real-time vertical velocity of the user according to a preset time window; and
adjust a cutoff frequency of the filter according to the single-lap vertical velocity or the real-time vertical velocity.