Smart radio-frequency identification tag for diaper moisture detection

Healthcare Technology Letters

article

M.A. Ziai¹  John C. Batchelor¹ 

[1] School of Engineering, The University of Kent

关键词: radiofrequency identification;    intelligent sensors;    body sensor networks;    moisture measurement;    skin;    coils;    biomedical equipment;    smart radiofrequency identification tag;    diaper moisture detection;    passive smart tag;    diaper dampness;    predefined threshold value;    high-frequency system;    human tissues;    water;    ultraHF signal;    circular spiral coil;    swelling substrate;    prototype design;    frequency 13.56 MHz;   

DOI  :  10.1049/htl.2014.0098

学科分类：肠胃与肝脏病学

来源: Wiley

【 摘 要 】

A passive smart tag is described that responds to dampness in diapers once a pre-defined threshold value is reached. A high-frequency (HF) system at 13.56 MHz is used as this allows operation through water or human tissues with less absorption that would occur for an ultra-HF signal. A circular spiral coil and swelling substrate facilitate a reaction to dampness that can be detected without contact to the diaper wearer. A prototype design is simulated and measured results are provided together with a demonstration of a tag integrated into a worn diaper.

【 授权许可】

CC BY|CC BY-ND|CC BY-NC|CC BY-NC-ND