05.03.22
Eric D. Benz, Sunman, IN; Charles A. Lachenbruch, Batesville, IN; Gavin M. Monson, Oxford, OH; Ryan S. Severns, Grand Rapids, MI; Dan R. Tallent, Hope, IN; Bryan Weidman, Columbus, IN; and Joshua A. Williams, West Harrison, IN.
Filed: 1/25/18
Issued: 3/22/22
An incontinence detection pad comprising: a moisture absorbent layer having (i) non-embossed areas with a first density of fibers of the moisture absorbent layer and (ii) embossed areas with a second density of fibers of the moisture absorbent layer, the second density being greater than the first density, wherein the embossed areas comprise grooves that are provided in a top surface and a bottom surface of the moisture absorbent layer with respective pairs of the grooves in the top and bottom surfaces being aligned with each other, a plurality of electrodes positioned beneath the moisture absorbent layer, wherein the plurality electrodes are arranged in an interdigitated pattern, a transmitter connected to the plurality of electrodes and configured to transmit a signal indicative of a status of the moisture absorbent layer, wherein the transmitter includes a radio frequency identification (RFID) tag and antenna, and a pair of quarter wave resonant stubs each being spaced from the antenna and coupled to a respective one of the electrodes of the plurality of electrodes.
Filed: 1/25/18
Issued: 3/22/22
An incontinence detection pad comprising: a moisture absorbent layer having (i) non-embossed areas with a first density of fibers of the moisture absorbent layer and (ii) embossed areas with a second density of fibers of the moisture absorbent layer, the second density being greater than the first density, wherein the embossed areas comprise grooves that are provided in a top surface and a bottom surface of the moisture absorbent layer with respective pairs of the grooves in the top and bottom surfaces being aligned with each other, a plurality of electrodes positioned beneath the moisture absorbent layer, wherein the plurality electrodes are arranged in an interdigitated pattern, a transmitter connected to the plurality of electrodes and configured to transmit a signal indicative of a status of the moisture absorbent layer, wherein the transmitter includes a radio frequency identification (RFID) tag and antenna, and a pair of quarter wave resonant stubs each being spaced from the antenna and coupled to a respective one of the electrodes of the plurality of electrodes.