US Patent 7140921 Conversion plug structure having a variable resistor
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Patent Inventor Names
Yau-Tzung Liu0
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Patent abstract
A conversion plug structure having a variable resistor has a conversion adaptor and an intermediate adaptor. The conversion adaptor has a plurality of first terminals disposed therein. The intermediate adaptor has an insulating housing, a plurality of second terminals disposed in the insulating housing, and a variable resistor electrically connecting between one of the second terminals and a power cord. The rest of the second terminals electrically connects with the power cord.
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US Patent 07140921 Conversion plug structure having a variable resistor US Patent 7140921 Conversion plug structure having a variable resistor
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Patent Number
071409210
Patent Number
71409210
Edits on 23 Apr, 2023
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Patent Jurisdiction
Patent Number
071409210
Date of Patent
November 28, 2006
0Patent Application Number
108851270
Date Filed
July 7, 2004
0Official Website
Patent Primary Examiner
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US Patent 07140921 Conversion plug structure having a variable resistor
Infobox
Is a
Patent jurisdiction
Patent number
07140921
Date of patent
November 28, 2006
Patent application number
10885127
Date Filed
July 7, 2004
Patent primary examiner
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