JP4061258B2 - 携帯用無線端末 - Google Patents
携帯用無線端末 Download PDFInfo
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- JP4061258B2 JP4061258B2 JP2003325857A JP2003325857A JP4061258B2 JP 4061258 B2 JP4061258 B2 JP 4061258B2 JP 2003325857 A JP2003325857 A JP 2003325857A JP 2003325857 A JP2003325857 A JP 2003325857A JP 4061258 B2 JP4061258 B2 JP 4061258B2
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- Prior art keywords
- conductor
- wireless terminal
- circuit board
- portable wireless
- terminal
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Description
これによれば、スロット溝が冷却孔となるために回路基板や電源部から発生する熱を容易に逃がすことができる。
2 第1導電体板
3 第2導電体板
4 短絡部
5 スロット溝
6 熱電変換素子部
7 回路基板
10、11 同調用容量端子
12、13 給電端子
21 発振回路部
22 マッチング回路
24 同調用容量素子
25、26 給電点
27 熱電変換素子部
30 発熱の大きい回路
31 熱伝導材料
60 無線端末
61 アンテナ
71 空気孔
72 空冷ファン
Claims (7)
- 無線回路を有する回路基板と、前記回路基板に電力を供給する電源部と、前記回路部と接続するアンテナ体とからなる携帯用無線端末であって、前記電源部は温度差を電力に変換する熱電変換素子部からなり、前記アンテナ体は前記携帯用無線端末のケースの一部を構成するとともにスロット溝を有するスロットアンテナであって前記熱電変換素子部と熱的に接続されており、前記スロット溝は前記回路基板の外周側位置に配置されているとともに冷却孔を兼ねることを特徴とする携帯用無線端末。
- 請求項1に記載の携帯用無線端末において、前記アンテナ体は第1の導電体と第2の導電体が短絡部を介して接続し、前記第1の導体が前記電源部と接し、前記第1の導電体と第2の導電体との間に前記スロット溝を構成し、前記第1の導電体と前記回路基板とは第1の同調用容量端子を介して電気的に接続し、前記第2の導電体と前記回路基板とは第2の同調用容量端子を介して電気的に接続することを特長とする携帯無線端末。
- 請求項2に記載の携帯用無線端末において、前記第1の同調用容量端子と前記第2の同調用容量端子は電気的インピーダンスが同等であることを特徴とする携帯用無線端末。
- 請求項2または3に記載の携帯用無線端末において、前記スロット溝は前記第1の導電体と前記第2の導電体とを長辺とする間隙により構成し、前記長辺の略中心部に前記第1の同調用容量端子および前記第2の同調用容量端子を配置したことを特長とする携帯用無線端末。
- 請求項2から4のいずれか一項に記載の携帯用無線端末において、前記回路基板は前記第1の導電体と前記第2の導電体との間隙の略中心部に配置したことを特長とする携帯用無線端末。
- 請求項1に記載の携帯用無線端末において、前記回路部において発生する熱を前記熱電変換素子部において放熱することを特徴とする携帯用無線端末。
- 請求項1に記載の携帯用無線端末において、前記アンテナ体に設けた前記スロット溝は、前記携帯用無線端末の外周部の対称な位置に複数設置したことを特徴とする携帯用無線端末。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003325857A JP4061258B2 (ja) | 2003-09-18 | 2003-09-18 | 携帯用無線端末 |
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JP2003325857A JP4061258B2 (ja) | 2003-09-18 | 2003-09-18 | 携帯用無線端末 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005094436A JP2005094436A (ja) | 2005-04-07 |
JP4061258B2 true JP4061258B2 (ja) | 2008-03-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003325857A Expired - Fee Related JP4061258B2 (ja) | 2003-09-18 | 2003-09-18 | 携帯用無線端末 |
Country Status (1)
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JP (1) | JP4061258B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006038528B3 (de) * | 2006-08-17 | 2007-11-22 | Kathrein-Werke Kg | Abstimmbare Antenne planarer Bauart |
JP2008166228A (ja) * | 2007-01-05 | 2008-07-17 | Sharp Corp | 燃料電池システム |
JP6495985B2 (ja) * | 2017-09-05 | 2019-04-03 | 株式会社ヨコオ | 車載用アンテナ装置 |
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2003
- 2003-09-18 JP JP2003325857A patent/JP4061258B2/ja not_active Expired - Fee Related
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JP2005094436A (ja) | 2005-04-07 |
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