Method and balun for trapping RF current on a transmission line after installation
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United States of America Patent
Stats
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Nov 29, 2016
Grant Date -
May 12, 2016
app pub date -
Jan 19, 2016
filing date -
Mar 15, 2013
priority date (Note) -
In Force
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Abstract
Apparatus and method for a radially attachable RF trap attached from a side to a shielded RF cable. In some embodiments, the RF trap creates a high impedance on the outer shield of the RF cable at a frequency of RF signals carried on at least one inner conductor of the cable. In some embodiments, an RF-trap apparatus for blocking stray signals on a shielded RF cable that has a peripheral shield conductor and a inner conductor for carrying RF signals includes: a case; an LC circuit having a resonance frequency equal to RF signals carried on the inner conductor; projections that pierce and connect the LC circuit to the shield conductor; and an attachment device that holds the case to the cable with the LC circuit electrically connected to the shield conductor of the shielded RF cable.

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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
LIFE SERVICES LLC | MINNEAPOLIS MN |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Lemaire, Charles A | Apple Valley, US | 112 | 5757 |
Schillak, Scott M | Minneapolis, US | 19 | 150 |
Waks, Matthew T | Coon Rapids, US | 11 | 189 |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 29, 2028 |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
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