Obstacle avoidance using mobile devices

US9872811B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9872811-B2
Application numberUS-201615254049-A
CountryUS
Kind codeB2
Filing dateSep 1, 2016
Priority dateSep 6, 2013
Publication dateJan 23, 2018
Grant dateJan 23, 2018

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Abstract

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Methods, systems, and products estimate distances to aid a visually impaired user of a mobile device. As the user carries the mobile device, a camera in the mobile device captures images of a walking cane. The images of the walking cane are analyzed to infer a distance between a tip of the walking cane and the mobile device. The distance may then be used by navigational tools to aid the visually impaired user.

First claim

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The invention claimed is: 1. A method, comprising: pairing a visually impaired walking cane to a mobile device; receiving, by the mobile device, an orientation angle sent from the visually impaired walking cane; querying, by the mobile device, an electronic database for an identifier associated with the visually impaired walking cane, the electronic database electronically associating the cane identifier to parameters associated with the visually impaired walking cane; retri…

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What does patent US9872811B2 cover?
Methods, systems, and products estimate distances to aid a visually impaired user of a mobile device. As the user carries the mobile device, a camera in the mobile device captures images of a walking cane. The images of the walking cane are analyzed to infer a distance between a tip of the walking cane and the mobile device. The distance may then be used by navigational tools to aid the visuall…
Who is the assignee on this patent?
At & T Mobility Ii Llc
What technology area does this patent fall under?
Primary CPC classification G09B21/003. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Jan 23 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).