JP2005109560A5 - - Google Patents

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Publication number
JP2005109560A5
JP2005109560A5 JP2003336184A JP2003336184A JP2005109560A5 JP 2005109560 A5 JP2005109560 A5 JP 2005109560A5 JP 2003336184 A JP2003336184 A JP 2003336184A JP 2003336184 A JP2003336184 A JP 2003336184A JP 2005109560 A5 JP2005109560 A5 JP 2005109560A5
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JP
Japan
Prior art keywords
terminal
state
external antenna
voltage
antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2003336184A
Other languages
English (en)
Japanese (ja)
Other versions
JP4213552B2 (ja
JP2005109560A (ja
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Publication date
Application filed filed Critical
Priority to JP2003336184A priority Critical patent/JP4213552B2/ja
Priority claimed from JP2003336184A external-priority patent/JP4213552B2/ja
Publication of JP2005109560A publication Critical patent/JP2005109560A/ja
Publication of JP2005109560A5 publication Critical patent/JP2005109560A5/ja
Application granted granted Critical
Publication of JP4213552B2 publication Critical patent/JP4213552B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2003336184A 2003-09-26 2003-09-26 外部アンテナ検出回路、無線機器及び外部アンテナ切替回路 Expired - Fee Related JP4213552B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003336184A JP4213552B2 (ja) 2003-09-26 2003-09-26 外部アンテナ検出回路、無線機器及び外部アンテナ切替回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003336184A JP4213552B2 (ja) 2003-09-26 2003-09-26 外部アンテナ検出回路、無線機器及び外部アンテナ切替回路

Publications (3)

Publication Number Publication Date
JP2005109560A JP2005109560A (ja) 2005-04-21
JP2005109560A5 true JP2005109560A5 (https=) 2006-10-12
JP4213552B2 JP4213552B2 (ja) 2009-01-21

Family

ID=34532399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003336184A Expired - Fee Related JP4213552B2 (ja) 2003-09-26 2003-09-26 外部アンテナ検出回路、無線機器及び外部アンテナ切替回路

Country Status (1)

Country Link
JP (1) JP4213552B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101449424A (zh) * 2006-05-29 2009-06-03 松下电器产业株式会社 Ac适配器及便携式终端设备
WO2007138669A1 (ja) * 2006-05-29 2007-12-06 Panasonic Corporation Ａｃアダプタ及び携帯端末装置
JP2009302736A (ja) * 2008-06-11 2009-12-24 Mitsubishi Electric Corp アンテナ接続検知回路
KR101091718B1 (ko) 2009-11-16 2011-12-09 주식회사 파이칩스 감지 회로, 감지 방법 및 컴퓨터 판독가능 매체
JP2018037838A (ja) * 2016-08-31 2018-03-08 沖電気工業株式会社 無線装置およびその試験方法

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