# US 10,441,478 B1 · Humidity detection device for smart diaper

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- Number: US 10,441,478 B1
- Document ID: US10441478B1
- Status: Granted
- Kind: B1
- Application number: 15/963,977
- Filed: 2018-04-26
- Published: 2019-10-31
- Granted: 2019-10-15
- Earliest claimed: 2018-04-26
- Assignees: Gallop Creation USA Inc.
- Applicants: Gallop Creation USA Inc.
- Inventors: Li Li; Zhigang Wang; Xu Huang; Yongqiang Zheng
- Web page: https://patentgrep.com/patent/US10441478B1

## CPC

- A61F 13/42: with wetness indicator or alarm
- A61F 13/49: specially adapted to be worn around the waist, e.g. diapers or nappies
- G08B 21/20: responsive to moisture
- A61F 13/51478: {being a laminate, e.g. multi-layered or with several layers}
- A61F 2013/424: {having an electronic device}
- A61F 2013/8479: {including electric or magnetic devices}
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)
- G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS

## Abstract

A humidity detecting device includes a substrate, a humidity sensor mounted on the substrate, a vent mounted to the humidity sensor, wherein the vent is configured to guide moisture and air from interior of a sample to the humidity sensor, and a spike fixedly coupled to the humidity sensor. The spike can penetrate and hook to the sample, which attaches the humidity sensor to the sample.

## Claims

### Claim 1

A humidity detecting device, comprising:
a substrate;
a humidity sensor mounted on the substrate;
a vent mounted to the humidity sensor, wherein the vent is configured to guide moisture and air from interior of a sample to the humidity sensor; and
a spike fixedly coupled to the humidity sensor, wherein the spike is configured to penetrate and hook to the sample, which attaches the humidity sensor to the sample.

### Claim 2 (depends on 1)

The humidity detecting device of claim 1, wherein the vent includes a first end attached to the humidity sensor and a second end configured to receive moisture and air from the interior of the sample.

### Claim 3 (depends on 2)

The humidity detecting device of claim 2, wherein the spike is mounted to the second end of the vent.

### Claim 4 (depends on 2)

The humidity detecting device of claim 2, further comprising:
a screen counted at an entrance of the second end of the vent.

### Claim 5 (depends on 1)

The humidity detecting device of claim 1, wherein the vent defines an axial direction substantially perpendicular to the substrate.

### Claim 6 (depends on 5)

The humidity detecting device of claim 5, wherein the spike is mounted perpendicular to the vent, wherein the spike is perpendicular to the axial direction.

### Claim 7 (depends on 1)

The humidity detecting device of claim 1, wherein the spike is configured to attach the humidity sensor to the sample below the substrate, wherein the vent is mounted to a lower surface of the humidity sensor.

### Claim 8

A humidity detecting device, comprising:
a first layer comprising an opening and an upper surface and an lower surface;
a second layer on the upper surface of the first layer, wherein the second layer is positioned over the opening of the first layer;
a leakage-preventing film fixedly connected to a lower surface of the second layer, wherein the leakage-preventing film is positioned in the opening of the first layer; and
a humidity sensor mounted to or in the leakage-preventing film, wherein the lower surface of the first layer and a lower surface of the leakage-preventing film are configured to be attached to a sample to allow the humidity sensor to conduct humidity measurement, wherein the leakage-preventing film, the humidity sensor, and the second layer are configured to be detached from the sample and the first layer in a unitary structure after the humidity measurement.

### Claim 9 (depends on 8)

The humidity detecting device of claim 8, further comprising:
a sponge gasket attached to the lower surface of the second layer, wherein the sponge gasket is positioned around the humidity sensor.

### Claim 10 (depends on 8)

The humidity detecting device of claim 8, further comprising:
an adhesive layer on the lower surface of the first layer, wherein the adhesive layer is configured to attached the first layer and the leakage-preventing film to the sample.