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US Patent 7834856 Capacitive sense toggle touch dimmer

Patent 7834856 was granted and assigned to Leviton (company) on November, 2010 by the United States Patent and Trademark Office.

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Is a
Patent
Patent

Patent attributes

Current Assignee
Leviton (company)
Leviton (company)
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7834856
Patent Inventor Names
Michael Grinshpoon0
Michael Ostrovsky0
Date of Patent
November 16, 2010
Patent Application Number
11113022
Date Filed
April 25, 2005
Patent Citations Received
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US Patent 12131628 Battery-powered retrofit remote control device
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US Patent 12074419 Retrofit remote control device mounting assembly
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US Patent 12073712 Retrofit remote control device
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US Patent 12080493 Control device configured to provide visual feedback
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US Patent 12081358 Controlling groups of electrical loads via multicast and/or unicast messages
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US Patent 12096528 User interface for a control device
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US Patent 11703974 Load control device having a capacitive touch surface
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US Patent 11765800 User interface for a control device
...
Patent Primary Examiner
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Abbas I Abdulselam
Patent abstract

A touch/toggle dimmer circuit that includes a controller coupled to at least one measurement capacitor whose capacitance is known, and at least one touch pad where the controller is configured by an algorithm to measure changes in the capacitance of the touch pad in response to a user touching the pad. These measurements are used to adjust the power delivered to a load independent of the polarity of the connection between the power source and the dimmer circuit.

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