Force sensing sheet

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8800386
APP PUB NO 20130113057A1
SERIAL NO

13724889

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A force sensing array includes multiple layers of material that are arranged to define an elastically stretchable sensing sheet. The sensing sheet may be placed underneath a patient to detect interface forces or pressures between the patient and the support structure that the patient is positioned on. The force sensing array includes a plurality of force sensors. The force sensors are defined where a row conductor and a column conductor approach each other on opposite sides of a force sensing material, such as a piezoresistive material. In order to reduce electrical cross talk between the plurality of sensors, a semiconductive material is included adjacent the force sensing material to create a PN junction with the force sensing material. This PN junction acts as a diode, limiting current flow to essentially one direction, which, in turn, reduces cross talk between the multiple sensors.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
PATIENTECH LLCMORNINGVIEW, KY12

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Taylor, Geoffrey L Winnipeg, CA 24 711

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
9817439 System, method and device for designing, manufacturing, and monitoring custom human-interfacing devices 0 2016
 
SEDA CHEMICAL PRODUCTS CO., LTD. (2)
* 8943908 Imperceptible motion sensing device having conductive elastomer 2 2013
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PATIENTECH LLC (1)
* 9642470 Force sensing sheet 0 2014
* Cited By Examiner

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