Patent ID: 11861114
Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. The method of claim 9, wherein:
there are N ultrasound receivers and at least two ultrasound receivers of the N ultrasound receivers are located along different edges of the electronic equipment, where N is a positive integer no less than 3,
receiving the second ultrasound signal further comprises receiving N second ultrasound signals as echoes of the first ultrasound signal reflected by the object, and
the charactering information charactering the first ultrasound signal and the second ultrasound signal further comprises a time of emitting the first ultrasound signal, a time of receiving each of the N second ultrasound signals, and information on locations of the N ultrasound receivers.