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US Patent 7155308 Robot obstacle detection system

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
71553081
Patent Inventor Names
Joseph L. Jones1
Date of Patent
December 26, 2006
1
Patent Application Number
104532021
Date Filed
June 3, 2003
1
Patent Citations Received
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US Patent 12093050 Robot-assisted processing of a surface using a robot
2
‌
US Patent 11969139 Evacuation station
3
‌
US Patent 11980329 Autonomous floor cleaning with removable pad
4
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US Patent 12004704 Debris evacuation for cleaning robots
5
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US Patent 12082758 Cleaning pad for cleaning robot
6
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US Patent 11662722 Autonomous monitoring robot systems
7
‌
US Patent 11661279 Autonomous transports for storage and retrieval systems
8
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US Patent 11672399 Coverage robots and associated cleaning bins
9
...
Patent Primary Examiner
‌
Thomas G Black
1
Patent abstract

A robot obstacle detection system including a robot housing which navigates with respect to a surface and a sensor subsystem having a defined relationship with respect to the housing and aimed at the surface for detecting the surface. The sensor subsystem includes an optical emitter which emits a directed beam having a defined field of emission and a photon detector having a defined field of view which intersects the field of emission of the emitter at a region. A circuit in communication with a detector redirects the robot when the surface does not occupy the region to avoid obstacles. A similar system is employed to detect walls.

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