公开(公告)号：US10722160B2

公开(公告)日：2020-07-28

申请号：US15531982

申请日：2015-12-03

Applicant: The Regents of the University of California

Inventor： Joseph Wang ,  Amay Jairaj Bandodkar ,  Patrick Mercier

IPC: A61B5/1486 ,  A61B5/00 ,  A61B5/145 ,  G01N33/66

Abstract: A non-invasive epidermal electrochemical sensor device includes an adhesive membrane; a flexible or stretchable substrate disposed over the adhesive membrane; and an anodic electrode assembly disposed over the flexible or stretchable substrate including an iontophoretic electrode. The device includes a cathodic electrode assembly disposed adjacent to the anodic electrode assembly over the flexible or stretchable substrate and includes an iontophoretic electrode. Either the cathodic electrode assembly or the anodic electrode assembly also includes a sensing electrode that includes a working electrode and at least one of a counter electrode or a reference electrode. The iontophoretic electrode in either the anodic electrode assembly or the cathodic electrode assembly that includes the sensing electrode is disposed on the substrate to at least partially encompass the working electrode and the at least one of the counter electrode or the reference electrode. The device includes an electrode interface assembly including independent electrically conductive contacts.

公开(公告)号：US20190158133A1

公开(公告)日：2019-05-23

申请号：US16194676

申请日：2018-11-19

Applicant: The Regents of the University of California

Inventor： Po-Han Wang ,  Haowei Jiang ,  Drew Hall ,  Patrick Mercier

IPC: H04B1/16 ,  H03F3/19 ,  H03K4/50

CPC classification number: H04B1/1615 ,  H03F3/19 ,  H03F2200/06 ,  H03F2200/102 ,  H03F2200/451 ,  H03K3/011 ,  H03K3/0231 ,  H03K4/50

Abstract: A low-power wake-up receiver. The receiver includes a transformer/filter resonating at a pre-selected frequency to realize passive RF voltage gain. A pseudo-balun envelope detector is coupled to an output of the transformer filter. A comparator or other quantizer is coupled to an output of the active pseudo-balun envelope detector (ED) for comparing the ED output to a comparison threshold voltage. The pseudo-balun envelop detector can be an active detector. The pseudo-balun detector can also be a passive detector.

公开(公告)号：US20190117083A1

公开(公告)日：2019-04-25

申请号：US16090083

申请日：2017-04-03

Applicant: The Regents of the University of California

Inventor： Joseph Wang ,  Patrick Mercier

IPC: A61B5/0205 ,  A61B5/00

Abstract: Methods, systems, and devices are disclosed for wearable, real -time multimodal sensing of electrochemical and electrophysiological and/or physical parameters of a user. In some aspects, a multimodal sensor device includes a flexible substrate; an electrochemical sensor disposed on the substrate and including electrochemical sensing electrodes operable to measure an electrical signal corresponding to a reaction including a chemical substance via an electrochemical sensing electrode and an analyte at the electrochemical sensor; and an electrophysiological sensor including two or more electrodes disposed on the substrate to acquire an electrophysiological signal of the user, such that when the multimodal sensor device is electrically coupled to an electronics unit and adhered to the user, the device is operable to simultaneously monitor an electrochemical parameter and an electrophysiological parameter of the user.