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US 2010/0245191 A1Published application
Multiple mode rf transceiver and antenna structure
AssigneeBroadcom Corporation
InventorsJesus Alfonso Castaneda, Franco De Flaviis, Ahmadreza (Reza) Rofougaran
Life of this patent
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Abstract
An antenna structure includes first and second antennas. The first antenna has a first geometry corresponding to a first frequency. The second antenna has a second geometry corresponding to a second frequency. The second antenna is proximal to the first antenna and utilizes electrical-magnetic properties of the first antenna to transceive signals at the second frequency.
Claims11
An antenna structure comprises:
- a first antenna having a first geometry corresponding to a first frequency;
- and
- a second antenna having a second geometry corresponding to a second frequency that is greater than the first frequency, wherein the second antenna is proximal to the first antenna, and wherein the second antenna utilizes electrical-magnetic properties of the first antenna to transceive signals at the second frequency.
The antenna structure of claim 8 further comprises:
- a fourth antenna having the second geometry corresponding to the second frequency, wherein the fourth antenna is proximal to the first antenna and has a different polarization than the second antenna, and wherein the fourth antenna utilizes electrical-magnetic properties of the first antenna to transceive the signals at the second frequency;
- and
- a fifth antenna having the third geometry corresponding to the third frequency, wherein the fifth antenna is proximal to the first antenna and has a different polarization than the third antenna, and wherein the fifth antenna utilizes electrical-magnetic properties of the first antenna to transceive the signals at the third frequency.
An antenna structure comprises:
- a radio frequency identification (RFID) antenna coil, and
- a wireless local area network (WLAN) radio frequency (RF) antenna, wherein the WLAN RF antenna utilizes the RFID antenna as ground plane.
Dependencies are inferred from the claim text.