An absorbent article has one or more fluid filter layers to inhibit electrode traces from being exposed to low volumes of fluid to reduce the number of false positives that are indicated by an RFID tag of the incontinence detection pad. An antenna inlay has a sacrificial trace portion to permit testing for proper operation of an RFID chip electrically coupled to the antenna inlay. After testing, the sacrificial trace portion is severed. A fluid barrier layer blocks fluid from reaching portions of electrode traces that are located on a backsheet outside a periphery of an absorbent core of an incontinence detection pad. The power at which an antenna transmits to wirelessly energize a passive RFID tag of an incontinence detection pad is controlled to reduce the number of false positives indicated by the RFID tag.

A system for monitoring an absorbent article and providing stock management functionality, the system comprising: an absorbent article comprising: a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core positioned between said topsheet and backsheet; an indicator for indicating the presence of exudates, said indicator being positioned on a body-facing side of said backsheet, the indicator comprising a color-changing indicator and/or an electrically conductive indicator; a detection device that can be removably attached to the absorbent article and arranged to detect a change in condition of said indicator; a computing means, such as a computing device or a computing algorithm arranged to deduct a one integer from an inventory value n to generate a new number n−1 representing an actual inventory value, in response to at least one of the following: a signal from the detection device triggered by a change in the state of the absorbent article such as from dry to wet; a signal from the detection device triggered by a first-time connection to an absorbent article; and a signal from the detection device triggered by disconnection of the detection device from an absorbent article after a first-time connection to the absorbent article, and wherein the computing means is arranged to send a signal once the actual inventory value reaches a predefined threshold, wherein said signal triggers at least one of: a warning alarm; an automatic order of new stock comprising a plurality of absorbent articles; and combinations thereof.

A sensor system for detecting a property of or within an absorbent article may comprise an absorbent article and an auxiliary article.

A disposable diaper product useful for collecting a urine sample from an infant is disclosed. In one example the product may have a liquid control structure overlying a liquid impermeable backsheet, with a plan surface area defining a volume coextensive therewith, wherein a portion of the volume defined by at least 50 percent of the plan surface area contains no more than 50 percent by weight absorbent material. In another example the product may have a liquid control structure overlying a liquid impermeable backsheet, and have an average Liquid Release Ratio of at least 3 percent. A method for collecting a urine sample from an infant is also disclosed, in which a diaper is used for collection.

This disclosure relates to a combination of a sensing device and a charging system. The sensing device is configured to be applied to a surface of an absorbent article for sensing a characteristic of moisture in the absorbent article, and it is configured such that a transmitter for transmitting data from the sensing device is attached or attachable to the sensing device. The charging system is configured to charge a transmitter battery, and it is configured such that a transmitter, which is attached or attachable to the sensing device, is also attachable to the charging device.

A defecation detection device (2) is adapted to communicate with a receiver (4) and includes a mounting seat (21), a resilient member (22) having a fixed end (221) that is connected to the mounting seat (21) and a free end (222) that is spaced apart from the mounting seat (21), a first conductive sheet (51) that is disposed on the free end (222) of the resilient member (22), a second conductive sheet (52) that is disposed on the mounting surface (211) of the mounting seat (21), and a transmitter module (6). When the free end (222) of the resilient member (22) is pressed to move toward the mounting seat (21), the first conductive sheet (51) is in contact with the second conductive sheet (52), and the transmitter module (6) is configured to wirelessly transmit a signal to the receiver (4) to allow the receiver (4) to output a notification.

Provided is a sensor having different sensitivities depending on the positions. A sensor 1 is a sensor for detecting the presence of a liquid, and includes a first electrode 11 and a second electrode 12. The first electrode and the second electrode each have a thread-like or band-like structure, and are arranged side by side in a direction intersecting a longitudinal direction. At least one of the first electrode and the second electrode includes a first portion 111 having a first surface area at a first position in the longitudinal direction, and includes a second portion 112 having a second surface area larger than the first surface area at a second position in the longitudinal direction different from the first position.

The present disclosure provides an absorbent article for personal hygiene. More particularly, in one embodiment, the absorbent article absorbent article includes at least one property changing indicator. A detector device is also provided that includes at least one sensor. The sensor is adapted to detect the property change of the property change indicator in the absorbent article. In one particular embodiment, for example, the property changing indicator may include an optical property indicator such as a color change indicator and the sensor may include an optical sensor such as a color sensor.

A diaper wetness detection system includes a diaper, a wetness sensor, an RFID unit, and a transceiver unit. The RFID unit is a battery-less device that receives an interrogation signal transmitted by the transceiver unit. The RFID unit or the transceiver unit are configured to determine if a measurable characteristic, as sensed by the wetness sensor, indicates if the diaper is wet. The measurable characteristic can be a voltage or current indicative of a resistance, capacitance, or impedance at an area sensed by the wetness sensor. The value of the measurable characteristic is different when the diaper is wet versus dry. Comparing the measurable characteristic value to a threshold value or to one or more previously sensed measurable characteristic values enables a determination to be made as to whether or not the diaper is wet. The RFID unit can be detachably coupled to the diaper for simple attachment and removal.

The invention is referring to a storing device and a system for tracking absorption products and their use, which comprises said storing device and a verification device for tracking the use of absorption products in terms of their number and time of use, and which alerts the user about the status of the storing device and of potentially hazardous use of the absorption products.