Multiple frequency band braking apparatus with clutch

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United States of America Patent

PATENT NO 9610965
APP PUB NO 20160339939A1
SERIAL NO

15227671

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A shopping cart wheel includes a braking apparatus, clutch mechanism and electronics that control the braking apparatus in response to wireless signals. The wireless signals include low frequency electromagnetic signals within a low frequency band and high frequency signals within a high frequency band.

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Patent Owner(s)

Patent OwnerAddress
CARTTRONICS LLC2042 CORTE DEL NOGAL SUITE C CARLSBAD CA 92009

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khuu, Thomas K San Diego, US 6 26

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