Dual operational frequency slot antenna

Details Dual operational frequency slot antenna Dual operational frequency slot antenna

2006-02-28

2006-02-28

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S702000

Reexamination Certificate

active

07006048

ABSTRACT:
A dual operational frequency slot antenna for receiving/transmitting wireless signals from a satellite or for receiving/transmitting wireless signals in an RFID system comprises two L-type slot antennas and a printed circuit feed line to receive and transmit circularly polarized radiation at dual operational frequencies.

REFERENCES:
patent: 6606071 (2003-08-01), Cheng et al.
patent: 6741214 (2004-05-01), Kadambi et al.
patent: 6937200 (2005-08-01), Takei
patent: 2002/0033773 (2002-03-01), Hirabayashi
patent: 2003/0184484 (2003-10-01), Ikegaya et al.
patent: 2005/0116870 (2005-06-01), Wang et al.

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