发明名称 |
Inverted F antenna with coplanar feed and RFID device having same |
摘要 |
An RFID device according to one embodiment includes an inverted F antenna having an active portion, a ground plane spaced from the active portion, and a feed coupled to and coplanar with the active portion; and an RFID controller coupled to the feed. An inverted F antenna according to another embodiment includes a substrate for an RFID device; an active portion coupled to the substrate; a ground plane spaced from the active portion; and a feed coupled to and coplanar with the active portion. An inverted F antenna according to yet another embodiment includes an active portion coupled to the substrate; a ground plane spaced from the active portion; a feed coupled to and coplanar with the active portion; and an extension portion being selectively coupleable to the active portion for altering a wavelength of the inverted F antenna. |
申请公布号 |
US8228236(B2) |
申请公布日期 |
2012.07.24 |
申请号 |
US20070847152 |
申请日期 |
2007.08.29 |
申请人 |
BIRNBAUM THOMAS;RAMISETTI SIREESHA;SARDARIANI EDMOND;INTELLEFLEX CORPORATION |
发明人 |
BIRNBAUM THOMAS;RAMISETTI SIREESHA;SARDARIANI EDMOND |
分类号 |
H01Q1/36;H01Q1/48;H01Q5/00;H01Q9/04 |
主分类号 |
H01Q1/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|