US Patent 7881397 Wireless communication system
Patent 7881397 was granted and assigned to Teradyne on February, 2011 by the United States Patent and Trademark Office.
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Patent abstract
Methods and systems for modulating a signal are described. A phase-modulated signal that includes a sequence of contiguous one-cycle sinusoidal waveforms having a frequency above 50 MHz is generated. The phases of the one-cycle sinusoidal waveforms correspond to symbols of a message signal. A bandwidth of the phase-modulated signal is reduced using a bandpass filter centered at the frequency of the contiguous one-cycle sinusoidal waveforms. The phase-modulated signal is wirelessly transmitted.
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Patent Inventor Names
Toshihide Kadota0
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US Patent 07881397 Wireless communication system US Patent 7881397 Wireless communication system
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Patent Number
078813970
Patent Number
78813970
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Current Assignee
Patent Jurisdiction
Patent Number
078813970
Date of Patent
February 1, 2011
0Patent Application Number
110949000
Date Filed
March 31, 2005
0Official Website
Patent Primary Examiner
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US Patent 07881397 Wireless communication system
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07881397
Date of patent
February 1, 2011
Patent application number
11094900
Date Filed
March 31, 2005
Patent primary examiner
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