CA2844826A1 - Wetness sensor using rf circuit with frangible link - Google Patents
Wetness sensor using rf circuit with frangible link Download PDFInfo
- Publication number
- CA2844826A1 CA2844826A1 CA2844826A CA2844826A CA2844826A1 CA 2844826 A1 CA2844826 A1 CA 2844826A1 CA 2844826 A CA2844826 A CA 2844826A CA 2844826 A CA2844826 A CA 2844826A CA 2844826 A1 CA2844826 A1 CA 2844826A1
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- Prior art keywords
- sensor
- jumper
- substrate
- circuit
- capacitor
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- 235000019423 pullulan Nutrition 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
- A61F2013/424—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm having an electronic device
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/207,505 US8978452B2 (en) | 2011-08-11 | 2011-08-11 | Wetness sensor using RF circuit with frangible link |
| US13/207,505 | 2011-08-11 | ||
| PCT/US2012/050136 WO2013023054A2 (en) | 2011-08-11 | 2012-08-09 | Wetness sensor using rf circuit with frangible link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2844826A1 true CA2844826A1 (en) | 2013-02-14 |
Family
ID=47669231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2844826A Abandoned CA2844826A1 (en) | 2011-08-11 | 2012-08-09 | Wetness sensor using rf circuit with frangible link |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US8978452B2 (enExample) |
| EP (1) | EP2742343B1 (enExample) |
| JP (2) | JP6263472B2 (enExample) |
| CN (1) | CN103797360B (enExample) |
| BR (1) | BR112014003174A2 (enExample) |
| CA (1) | CA2844826A1 (enExample) |
| TW (1) | TWI612299B (enExample) |
| WO (1) | WO2013023054A2 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9928723B2 (en) | 2015-04-15 | 2018-03-27 | Yongchuang Chen | Moisture detection apparatus |
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2012
- 2012-08-09 BR BR112014003174A patent/BR112014003174A2/pt not_active IP Right Cessation
- 2012-08-09 EP EP12822125.6A patent/EP2742343B1/en not_active Not-in-force
- 2012-08-09 WO PCT/US2012/050136 patent/WO2013023054A2/en not_active Ceased
- 2012-08-09 CA CA2844826A patent/CA2844826A1/en not_active Abandoned
- 2012-08-09 CN CN201280038998.3A patent/CN103797360B/zh not_active Expired - Fee Related
- 2012-08-09 JP JP2014525140A patent/JP6263472B2/ja not_active Expired - Fee Related
- 2012-08-13 TW TW101129261A patent/TWI612299B/zh not_active IP Right Cessation
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- 2015-02-04 US US14/613,469 patent/US9782302B2/en not_active Expired - Fee Related
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9928723B2 (en) | 2015-04-15 | 2018-03-27 | Yongchuang Chen | Moisture detection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2742343B1 (en) | 2020-12-02 |
| US8978452B2 (en) | 2015-03-17 |
| JP2017207503A (ja) | 2017-11-24 |
| US20150148762A1 (en) | 2015-05-28 |
| WO2013023054A2 (en) | 2013-02-14 |
| BR112014003174A2 (pt) | 2017-02-21 |
| EP2742343A2 (en) | 2014-06-18 |
| US9782302B2 (en) | 2017-10-10 |
| US20130036802A1 (en) | 2013-02-14 |
| TWI612299B (zh) | 2018-01-21 |
| JP2014529732A (ja) | 2014-11-13 |
| CN103797360A (zh) | 2014-05-14 |
| JP6263472B2 (ja) | 2018-01-17 |
| CN103797360B (zh) | 2015-11-25 |
| WO2013023054A3 (en) | 2013-05-10 |
| TW201312104A (zh) | 2013-03-16 |
| JP6576394B2 (ja) | 2019-09-18 |
| EP2742343A4 (en) | 2015-04-01 |
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