US Patent No: 7,639,203
Number of patents in Portfolio can not be more than 2000
Spiral coil loaded short wire antenna
Stats
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Dec 29, 2009
Issued date -
May 27, 2008
filing date -
12/127,163
serial no -
In Force
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Importance
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Abstract
A antenna (10) comprises a straight stem portion (11) and a spiral coiled portion (12) for providing the necessary length, but being compact enough for assembly in a pit tube (23) of a transmitter assembly (20) for subsurface enclosures for fluid meters.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,239,753 Transmitter-and-receiver device | 24 | 1997 | |
Patent Citation Ranking
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