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.

 
Web www.patentalert.com

< Using radio frequency identification to detect and/or prevent theft and shoplifting

< Servicing system for wells

> Recycling analyzing system, recycling analyzing program, and recycling analyzing method

> Mechanical transmission of data to an electronic device in a tire
~ 00242