US Patent 9167377 Shaped load modulation in near field communications (NFC) device
Patent 9167377 was granted and assigned to Broadcom (company) on October, 2015 by the United States Patent and Trademark Office.
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Patent abstract
A method and apparatus is disclosed to compensate for overshoot and/or undershoot in a transmission sequence by shaping the transmission sequence according to a shaping envelope to lengthen its rise time and/or fall time to provide a modified transmission sequence. The shaping envelope may represent a trigonometric function, a polynomial function, a piecewise function or any other function that lengthens the rise time and/or the fall time of the transmission sequence. The modified transmission sequence adjusts an impedance of an antenna to load modulate a carrier wave that is inductively coupled to it.
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US Patent 09167377 Shaped load modulation in near field communications (NFC) device US Patent 9167377 Shaped load modulation in near field communications (NFC) device
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Patent Number
0916737700
Patent Number
916737700
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Patent Applicant
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Current Assignee
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Patent Jurisdiction
Patent Number
091673770
Date of Patent
October 20, 2015
0Patent Application Number
144782290
Date Filed
September 5, 2014
0Official Website
Patent Primary Examiner
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Is a
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
091673770
Date of Patent
October 20, 2015
0Patent Application Number
144782290
Date Filed
September 5, 2014
0Official Website
Patent Primary Examiner
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US Patent 09167377 Shaped load modulation in near field communications (NFC) device
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Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09167377
Date of patent
October 20, 2015
Patent application number
14478229
Date Filed
September 5, 2014
Patent primary examiner
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