Compact ring slot aerial

Compact ring slot aerial

  • CN 1,393,959 B
  • Filed: 06/20/2002
  • Issued: 05/12/2010
  • Est. Priority Date: 06/22/2001
  • Status: Active Grant
First Claim
Patent Images

1. flat plane antenna by substrate-loading, comprise ring-type slot (1) with girth, adjust the girth of described ring-type slot, so that be operated in given frequency, the ring-type slot is by feeder line (2) feed in the short circuit face at ring-type slot place, it is characterized in that, described ring-type slot (1) is out of shape the ring-type slot (1a) that obtains being out of shape, the ring-type slot (1a) of described distortion is included at least one interior deformation unit (3 of zone of at least one ring-type slot (1), 3 '"'"'), wherein, deformation unit (3,3 '"'"') be spill, for given frequency and given pattern, the deformation unit place is the place of electric field minimum, the girth of the ring-type slot (1a) of described distortion is greater than the girth of described ring-type slot (1), ring-type slot (1a) inscribe of distortion is in the basal area of described ring-type slot (1), and slot extends and the not expansion of surface of basal area.

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