AsiaIPEX is a one-stop-shop for players in the IP industry, facilitating IP trade and connection to the IP world. Whether you are a patent owner interested in selling your IP, or a manufacturer looking to buy technologies to upgrade your operation, you will find the portal a useful resource.

A New Miniaturized and Low Power Photoplethysmograph Measuring Device for the Monitoring of Human Vital Signs

An apparatus for the measurement of photoplethysmograph (PPG) using ambient light as the light source, whose characteristic is that the light source is not embedded in the apparatus. Photoplethysmograph reflects the changes in the blood volume in the human peripherals. It can be applied to the noninvasive monitoring of human vital signs such as heart rates, blood pressure. Since the present invention does not require an LED, it can achieve low power consumption, as well as light weight and miniature size, and therefore is suitable for insertion into a wide range of personal belongings, such as watch, ring, mobile phone, PDA, electronic toy/pet.
Application No.
Inventor(s): Professor Yuan Ting ZHANG, Department of Electronic Engineering

Hong Kong

For more information, please click Here
Mobile Device