Differential transmission line with common mode notch filter
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United States of America Patent
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Aug 25, 2015
Grant Date -
N/A
app pub date -
Aug 29, 2014
filing date -
Aug 29, 2014
priority date (Note) -
In Force
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Abstract
A differential transmission line with a common mode notch filter includes adjacently arranged, repeating differential transmission line pair sections. The sections have lengths that are each equal to half of an electric wavelength of a lowest frequency of a common mode electromagnetic wave to be suppressed during transmission of an electric signal over the differential transmission line. Each section includes a pair of conductors separated from one another by a spacing. The width of each conductor and the spacing between the conductors of each section vary over the length thereof according to a same pattern such that at every point over the length of each section a differential mode impedance of the differential transmission line is identical. A common mode impedance of the differential transmission line changes periodically in accordance with the lengths of the sections.

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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
LENOVO INTERNATIONAL LIMITED | 23/F LINCOLN HOUSE TAIKOO PLACE 979 KING'S ROAD QUARRY BAY |
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ao, Eric R | Nepean, CA | 12 | 66 |
Campbell, Alexander P | Kanata, CA | 14 | 204 |
Dignam, Donald R | Ottawa, CA | 6 | 27 |
Flint, Stephen J | Ottawa, CA | 10 | 45 |
Meng, Jian | Kanata, CA | 66 | 744 |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 25, 2027 |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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