公开(公告)号：US20250072771A1

公开(公告)日：2025-03-06

申请号：US18043287

申请日：2022-08-19

Applicant: HONOR DEVICE CO., LTD.

Inventor： Xinpei CAI ,  Bingxin LIU ,  Yi LIU ,  Yinjiong TAN

IPC: A61B5/024 ,  A61B5/00 ,  A61B5/0205

Abstract: Embodiments of this application provide a terminal based on photo plethysmo graph PPG. The terminal includes an LED, an AFE chip, a processor, a delay circuit, and a plurality of PDs, the first PD is configured to receive a second optical signal reflected by the skin of the user, and convert the second optical signal into a first electrical signal; the second PD is configured to receive the second optical signal reflected by the skin of the user, and convert the second optical signal into a second electrical signal; the delay circuit is configured to perform delay processing on the first electrical signal; the AFE chip is configured to determine a target signal based on the second electrical signal and the first electrical signal subjected to the delay processing; and the processor is configured to process the target signal to obtain a health status of the user.

公开(公告)号：US20240324955A1

公开(公告)日：2024-10-03

申请号：US18043841

申请日：2022-09-01

Applicant: HONOR DEVICE CO., LTD.

Inventor： Yinjiong TAN ,  Ruiying SHANG ,  Bingxin LIU ,  Xinpei CAI

IPC: A61B5/00 ,  A61B5/024 ,  A61B5/1455

CPC classification number: A61B5/681 ,  A61B5/02433 ,  A61B5/14552 ,  A61B2562/0238

Abstract: A photoelectric detector, a PPG sensor, and an electronic device are provided. The photoelectric detector includes a photo diode, configured to sense light on a first band, a second band, and a third band; at least one first optical filter part, located on the photo diode, and configured to transmit light on the first band and the second band, and block light on the third band; and at least one second optical filter part, located on the photo diode, and configured to transmit the light on the third band and block the light on the first band and the second band.