Title:
RADIO COMMUNICATION APPARATUS
Document Type and Number:
Japanese Patent JP2008099113
Kind Code:
A
Abstract:
To detect, in a case where a radio communication apparatus may include a removable external antenna in addition to a fixed antenna incorporated in the radio communication apparatus, that the external antenna is connected, without adding a hardware circuit dedicated to antenna detection at such a time.
A fixed antenna and a removable external antenna are switched, a peripheral search is made for each of the antennas and results are compared, thereby detecting the external antenna.
Inventors:
HARA KAZUTOSHI
Application Number:
JP2006280162A
Publication Date:
April 24, 2008
Filing Date:
October 13, 2006
Export Citation:
Assignee:
CANON KK
International Classes:
H04B7/08; H01Q1/24; H01Q1/32; H01Q3/24
Attorney, Agent or Firm:
Keizo Nishiyama
Yuichi Uchio
Yuichi Uchio
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