Dual operational frequency slot antenna
First Claim
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1. A dual operational frequency slot antenna for receiving/transmitting wireless signals from a satellite or for receiving/transmitting wireless signals in an RFID system, comprising:
- a F-type slot antenna for receiving and transmitting a wireless signal at a first working frequency and a wireless signal at a second working frequency; and
a feed line for receiving and transmitting the wireless signals at the first working frequency and the second working frequency;
wherein the F-type slot antenna is consisted of two L-type slot antennas, and the feed line is a metal line and made of printed circuit.
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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.
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Citations
5 Claims
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1. A dual operational frequency slot antenna for receiving/transmitting wireless signals from a satellite or for receiving/transmitting wireless signals in an RFID system, comprising:
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a F-type slot antenna for receiving and transmitting a wireless signal at a first working frequency and a wireless signal at a second working frequency; and
a feed line for receiving and transmitting the wireless signals at the first working frequency and the second working frequency;
whereinthe F-type slot antenna is consisted of two L-type slot antennas, and the feed line is a metal line and made of printed circuit. - View Dependent Claims (2, 3, 4, 5)
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Specification