JP2004128983A - Movable antenna and electronic equipment provided with the same - Google Patents

Movable antenna and electronic equipment provided with the same Download PDF

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Publication number
JP2004128983A
JP2004128983A JP2002291544A JP2002291544A JP2004128983A JP 2004128983 A JP2004128983 A JP 2004128983A JP 2002291544 A JP2002291544 A JP 2002291544A JP 2002291544 A JP2002291544 A JP 2002291544A JP 2004128983 A JP2004128983 A JP 2004128983A
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Japan
Prior art keywords
antenna
intermediate bearing
bearing
insulating
horizontal shaft
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Granted
Application number
JP2002291544A
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Japanese (ja)
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JP3789416B2 (en
Inventor
Keiichi Ogura
小倉　慶一
Hiroshi Fujikawa
藤川　浩
Masahiko Nakahama
中濱　昌彦
Yoichi Tanabe
田邊　葉一
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NEC Platforms Ltd
SMK Corp
Original Assignee
SMK Corp
NEC Infrontia Corp
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Publication date
Application filed by SMK Corp, NEC Infrontia Corp filed Critical SMK Corp
Priority to JP2002291544A priority Critical patent/JP3789416B2/en
Priority to TW92117156A priority patent/TWI270233B/en
Priority to CNB031434142A priority patent/CN100418264C/en
Publication of JP2004128983A publication Critical patent/JP2004128983A/en
Priority to HK04109149.7A priority patent/HK1066327A1/xx
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Publication of JP3789416B2 publication Critical patent/JP3789416B2/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a small-sized movable antenna having a good outer appearance, wherein perfect countermeasures against static electricity is taken, and also to provide electronic equipment provided with the movable antenna. <P>SOLUTION: This movable antenna is provided with a universal joint comprising a vertical shaft 13, an intermediate bearing metal fitting 14 and a horizontal shaft 15, and a turnable base part 20 of the intermediate bearing metal fitting 14 with a U-shaped cross-section is supported at the tip of the vertical shaft 13 in a freely turnable way. The horizontal shaft 15 is penetrated into both horizontal shaft support piece portions 21, 21 of the intermediate bearing metal fitting 14 to be supported, an insulating piece 22 is inserted between both horizontal shaft support piece portions 21, 21 to cover the bottom surface of the intermediate bearing metal fitting 14 and parts other than the back surface sides of the facing surfaces of the portions 21, 21, the antenna main body 16 is supported at the back surface side of the facing surfaces of the portions 21, 21 of the intermediate bearing metal fitting 14, and an insulating sheath member 30 made of insulation material is put on an outer side of the antenna main body. A pair of insulating bearing piece portions 31, 31 are attached pivotally to the fitting 14 by the horizontal shaft 15. The portions 31 cover both outer surface sides of an antenna main body bearing piece part 28 and both outer surface sides of the portions 21. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は、主にＰＣカード型携帯通信装置等の電子機器に用いられる可動式アンテナ及びそれを備えた電子機器に関する。
【０００２】
【従来の技術】
従来、ＰＣカード型携帯通信装置や携帯電話等の通信装置には、電波を送受信するためのアンテナが設けられており（特許文献１を参照）、このアンテナとして、図１０に示す如き可動式アンテナを用いることによって、電波の送受信やアンテナの収納にとって最適なアンテナ位置を得ることができるようになっている（特許文献２を参照）。
【０００３】
この可動式アンテナ１は、アンテナ支持部２に支持させた導電性の縦軸３と、縦軸３に対し、これを中心軸として回動自在に取り付けられた導電性の中間軸受金具４と、中間軸受金具４に縦軸３と直交配置に支持させた横軸５とからなるユニバーサルジョイントを備え、アンテナ支持部２を携帯通信装置等の電子機器に保持させるとともに、中間軸受金具４に対し、横軸５を中心軸として回動自在にアンテナ本体６を取り付けることによって、アンテナ本体６が電波の送受信等に合わせて向きを変えることができるようになっている。
【０００４】
しかし、これらのユニバーサルジョイントを構成する中間軸受金具４等の部品は強度や各部品との電気的接続を鑑みて導電性の金属部材により形成され、中間軸受金具４とアンテナ本体６との連結部分は、金属が剥き出しになった状態になっており、そこに静電気が帯電された人体等より静電気が放電されると、この可動式アンテナ１に導通した電子機器回路等が破壊されるおそれがある。
【０００５】
そこで、例えば、図１１に示すように、アンテナの金属部が剥き出しになった部分を蛇腹等の絶縁材からなる被覆材７によって覆う等して静電気対策を施している。
【０００６】
【特許文献１】
特開２００１−３３９２１１号公報（図４）
【０００７】
【特許文献２】
特開平０８−２６５０２５号公報（第０００２段落〜第０００９段落、図１０、図１１）
【０００８】
【発明が解決しようとする課題】
しかし、上述のように外部に露出した金属部分を蛇腹等の絶縁性の被覆材によって覆うことにより、アンテナ全体が嵩張ってしまうのでアンテナ及びアンテナを装着する電子機器の小型化が阻害されるという問題があり、また、アンテナ及びアンテナを装着する電子機器の見映えも悪くなるという問題があった。
【０００９】
本発明は、このような従来の技術の状況を鑑み、見映えが良く、アンテナに完全な静電気対策を施すことができ、小型化が可能な可動式アンテナ及びそれを備えた電子機器の提供を目的とする。
【００１０】
【課題を解決するための手段】
上述の如き従来の問題を解決し、所期の目的を達成するための請求項１の発明は、絶縁材からなるアンテナ支持部に支持させた導電性の縦軸と、該縦軸に対し、これを中心軸として回動自在に取り付けられた導電性の中間軸受金具と、該中間軸受金具に前記縦軸と直交配置に支持させた横軸とからなるユニバーサルジョイントを備え、前記中間軸受金具に対し、前記横軸を中心軸として回動自在にアンテナ本体を取り付け、前記縦軸とアンテナ本体とを前記ユニバーサルジョイントを介して導通させてなる可動式アンテナにおいて、前記中間軸受金具は、平板状の回動基盤部と、該回動基盤部の両縁をそれぞれ同じ側に立ち上がらせた一対の横軸支持片部とを一体に有する断面Ｕ字形に形成され、該中間軸受金具の回動基盤部を前記縦軸の先端に回動自在に支持させるとともに、前記両横軸支持片部に前記横軸を貫通させて支持させ、前記中間軸受金具の両横軸支持片部間に絶縁材からなる中間軸受金具用の絶縁駒を挿入し、該絶縁駒により中間軸受金具の底面及び両横軸支持片部の対向面の背面側を除く部分を覆わせ、前記アンテナ本体には基端部側に一対の平行な軸受片部を一体に備え、該軸受片部を前記中間軸受金具の両横軸支持片部の対向面の背面側に接触させて前記横軸を中心軸にして回動自在に支持させ、該アンテナ本体の外側に、絶縁材を持って成形され、一端側が開放した有底筒状の絶縁鞘部材を被せ、該絶縁鞘部材の開放端側に一対の絶縁軸受片部を備え、該絶縁軸受片部を前記横軸により中間軸受金具に枢着させ、該絶縁軸受片部により前記アンテナ本体軸受片部の対向面の背面側及び前記中間軸受金具横軸支持片部の両対向面の背面側を覆わせたことを特徴とする。
【００１１】
このように構成することによって、外部に金属部分を露出させることがなく、好適に静電対策がなされ、アンテナの小型化が可能となり、見映えもよい。
【００１２】
請求項２の発明は、請求項１の構成に加え、前記縦軸の先端をアンテナ支持部の平らな表面に突出させて固定し、該縦軸の先端にフランジ状の抜け止め頭部を形成するとともに、前記中間軸受金具の回動基盤部に、その一辺側から中央部分にかけてＵ字形の凹陥部を形成し、該凹陥部を前記縦軸の頭部下に嵌合させ、かつ前記絶縁駒によって前記凹陥部に嵌合された縦軸を抜け止めさせることを特徴とする。
【００１３】
このように構成することによって、縦軸に対する中間軸受金具の取り付けが容易となり、組み立てを容易に行うことができるとともに、絶縁材を兼ねることとなる部品の数が少なくなる。
【００１４】
請求項３の発明は、請求項２の構成に加え、縦軸先端の頭部が、アンテナ支持部からの突出部分の根元部に環状凹溝を形成することによって設けることを特徴とする。
【００１５】
このように構成することによって、中間軸受金具の回動基盤部を好適に縦軸に支持させることができる。
【００１６】
請求項４の発明は、請求項１、２又は３の構成に加え、アンテナ本体の基端部側に一体に設けた両軸受片部に導電性のバネ材を使用し、該両軸受片によって前記中間軸受金具の両横軸支持片部外面側を弾性的に挟持させることにより導電接触圧及び回動摩擦抵抗を持たせたことを特徴とする。
【００１７】
このように構成することにより、中間軸受金具に対してアンテナ本体を回動させた際に、アンテナ本体を任意の位置で回動を止めることができ、アンテナ本体を中間軸受金具に対して好適に電気的接続することこができる。
【００１８】
請求項５の発明は、請求項１〜３又は４の構成に加え、横軸は絶縁材により形成され、一端側にフランジ状の頭部を有するとともに、他端側に先端側を細くしたテーパ部と該テーパ部の基端側に抜け止め用段部を形成し、前記絶縁鞘部材の各絶縁軸受片部の横軸貫通孔に、前記横軸の頭部が嵌り合う拡径部及び抜け止め用係止段部を備えることを特徴とする。
【００１９】
このように構成することにより、外部に金属部を露出させることなく中間軸受金具にアンテナ本体を好適に枢支させることができる。
【００２０】
請求項６の発明は、電子機器が請求項１乃至５のいずれかに記載の可動式アンテナを備えたことを特徴とする。
【００２１】
このように構成することにより、ＰＣカード型携帯通信装置や携帯電話機等の携帯通信装置に限らず、その他のアンテナを使用する全ての電子機器において、完全な静電対策が施された可動式アンテナによって、電波の送受信を行うことができる。
【００２２】
【発明の実施の形態】
次に、本発明に係る可動式アンテナの実施の形態を図について説明する。
【００２３】
図１は可動式アンテナの使用状態の一例を示し、符号１０はＰＣカード型携帯通信装置等の電子機器、１１は可動式アンテナである。
【００２４】
可動式アンテナ１１は、絶縁材からなるアンテナ支持部１２に支持させた導電性の縦軸１３と、縦軸１３に対し、これを中心軸として回動自在に取り付けられた導電性の中間軸受金具１４と、中間軸受金具１４に縦軸１３と直交配置に支持させた横軸１５とからなるユニバーサルジョイントを備え、アンテナ支持部１２をＰＣカード型携帯通信装置等の電子機器１０に保持させるとともに、中間軸受金具１４に対し、横軸１５を中心軸として回動自在にアンテナ本体１６を取り付けることによって、電波の送受信やアンテナの収納等にとって最適なアンテナ位置を得ることができるようになっている。
【００２５】
ユニバーサルジョイントを構成する横軸１５は、絶縁材により形成され、図４に示すように、一端側にフランジ状の頭部１７を備え、他端側に先端側を細くしたテーパ部１８とテーパ部の基端側に抜け止め用の段部１９が形成されている。
【００２６】
中間軸受金具１４は、図５に示すように、導電性を有する金属部材によって形成された平板状の回動基盤部２０と、回動基盤部２０の両側縁より同じ側に立ち上がらせた横軸支持片部２１，２１とを一体に有する断面Ｕ字状に形成されている。
【００２７】
この中間軸受金具１４の両横軸支持片部２１，２１間には、絶縁駒２２が挿入され、これによって、回動基盤部２０の底面及び両横軸支持片部２１，２１の外側面（両横軸支持片部の対向面の背側面）を除く部分が覆われている。
【００２８】
回動基盤部２０には、中心の円孔を一方の側縁に向かって延長した形状、即ち一側縁より中央部分にかけてのＵ字形に形成された凹陥部２３が設けられ、この凹陥部２３にアンテナ支持部１２より突出した導電性の縦軸１３が嵌り込むことによって、回動基盤部２０をアンテナ支持部１２に対して回転自在且つ抜け止め不能に支持させるようになっている。
【００２９】
両横軸支持片部２１，２１には、ユニバーサルジョイントを構成する横軸１５が挿通される横軸挿通孔２４が形成されている。
【００３０】
絶縁駒２２は、絶縁材により形成され、円盤の外周面の一部を切り欠いて底面を形成した形状になっている。
【００３１】
この円盤状の中心部分に横軸１５が挿通される挿入孔２６が貫通開口されている。
【００３２】
この絶縁駒２２の両側面には、中間軸受金具１４の横軸支持片部２１，２１が嵌合される支持片部嵌合用の凹部２５，２５が形成され、絶縁駒２２の底面には、縦軸１３の先端部分が挿入される抜け止め用穴２２ａが形成されている。
【００３３】
この中間軸受金具１４は、図６に示すように、絶縁駒２２を中間軸受金具１４の両横軸支持片部２１，２１間に挿入すると、該両横軸支持片部２１，２１が凹部２５，２５に嵌り込み、回動基盤部２０の下面及び各横軸支持片部２１，２１の外側面（対向面の背側面）を除いた部分が絶縁駒２２によって覆われるようになっている。
【００３４】
また、絶縁駒２２を中間軸受金具１４の両横軸支持片部２１，２１間に挿入すると、回動基盤部縁部が覆われるとともに、縦軸１３の先端部分が抜け止め用穴２２ａに挿入され、縦軸１３に対する回転基盤部２０の回転半径方向の動きが規制され、抜け止めがなされるようになっている。
【００３５】
この絶縁駒２２は、中間軸受金具１４の両横軸支持片部２１，２１間に挿入させた状態で、横軸１５を横軸支持片部２１、絶縁駒２２、横軸支持片部２１を貫いて挿通させることによって中間軸受金具１４に対して縦軸軸心方向の抜け止めがなされるようになっている。
【００３６】
アンテナ本体１６は、図８に示すように、薄長板状の本体部２７と、本体部２７の端部両側縁に突設された互いに対向する一対の平行な軸受片部２８，２８とを導電性のバネ材により一体に形成し、この各軸受片部２８，２８の突端部間を狭めて形成することにより、両軸受片部２８，２８に中間軸受金具１４の両横軸支持片部２１，２１の外側面を弾性的に挟持することができるようになっている。また、この軸受片部２８には、横軸１５が挿通される挿通孔２９が形成されている。
【００３７】
また、アンテナ本体１６は、両軸受片部２８，２８に中間軸受金具１４の両横軸支持片部２１，２１の外側面を弾性的に挟持させた状態で中間軸受金具１４に横軸１５を回転中心にして回動自在に支持させることによって、中間軸受金具１４に対して電気的に接続されるとともに、軸受片部２８が横軸支持片部２１の外側面に対して好適な導電接触圧と、回動摩擦抵抗を得るようになっており、これによりユニバーサルジョイントを介して縦軸１３に導通されるようになっている。
【００３８】
このアンテナ本体１６の外側には、図７に示すように、絶縁材からなる一端側が開放した有底筒状の絶縁鞘部材３０を被せ、アンテナ本体１６が外部に露出しないようにしている。
【００３９】
この絶縁鞘部材３０の基端部には、互いに対向する一対の絶縁軸受片部３１，３１が形成され、この絶縁軸受片部３１，３１の中央部には横軸が枢支される横軸貫通孔３２，３２が形成され、この横軸貫通孔３２には、横軸１５の頭部１７が互いに嵌り合う拡径部３３及び抜け止め用の段部３４がそれぞれ形成されている。
【００４０】
尚、アンテナ本体１６に絶縁鞘部材３０を被せると、絶縁軸受片部３１，３１の対向面側にアンテナ本体１６の軸受片部２８，２８が絶縁軸受片部３１の対向面に沿うように配置されるようになっている。
【００４１】
アンテナ支持部１２は、図９に示すように、樹脂成型により絶縁材からなる直方体状に形成され、ＰＣカード型携帯通信装置１０の取付部分に嵌り込み、携帯通信装置１０に保持されるようになっている。
【００４２】
このアンテナ支持部１２には、ユニバーサルジョイントを構成する導電性の縦軸１３が、アンテナ支持部の平らな表面に突出させて固定されるとともに、携帯通信装置１０に内蔵された電子回路に接続される接続用部材３５が、縦軸１３と接続された状態に固定されている。
【００４３】
縦軸１３は、先端にフランジ状の抜け止め頭部３６が形成されており、この抜け止め頭部３６は、縦軸１３のアンテナ支持部からの突出部分の根元部に、回動基盤部２０の凹陥部２３の幅（即ち中心の円孔部の直径）と円環の直径が略同径の環状凹溝３７を形成することにより形成されている。
【００４４】
この環状凹溝３７に凹陥部２３を嵌め込むことによって、回動基盤部２０の凹陥部２３周縁が抜け止め頭部３６下に当接し、回動基盤部２０を縦軸１３に対して、回転自在且つ軸心方向で抜け止め不能にすることができ、且つ電気的にも接続されるようになっている。
【００４５】
また、この抜け止め頭部３６は、縦軸１３、中間軸受金具１４及び絶縁駒２２を組み込んだ際に、絶縁駒２２の底面に形成された抜け止め用穴２２ａに挿入され、縦軸１３に対する回転基盤部２０の縦軸１３の回転半径方向の抜け止めがなされるようになっている。
【００４６】
接続用部材３５としては、電子機器回路に接続された相手側と互いに接続して導通するコネクタ等を用い、アンテナ支持部１２をＰＣカード型携帯通信装置１０に取り付けることによって、該接続用部材３５が電子機器回路に接続された相手側と導通されるようになっている。
【００４７】
尚、図中符号３８は、弾性材からなるＯリングであり、このＯリング３８によって中間軸受金具１４のアンテナ支持部１２に対する回転動作に抵抗を持たせ、任意の位置で回転を止めることができるようになっている。
【００４８】
この可動式アンテナ１１では、回動基盤部の底面が、縦軸１３が突設されたアンテナ支持部１２の平な表面１２ａによって覆われるようになっており、アンテナ本体１６を覆う絶縁鞘部材３０の絶縁軸受片部３１，３１によりアンテナ本体軸受片部２８，２８の両外面側（両軸受片対向面の背面側）及び中間軸受金具横軸支持片部２１，２１の両外面側（両対向面の背面側）を覆わせるようになっている。
【００４９】
即ち、重なり合って互いに導通されたアンテナ本体軸受け片部２８と中間軸受金具横軸支持片部２１とを金属部が外部に露出しないように絶縁鞘部材３０の絶縁軸受片部３１によって覆うようになっている。
【００５０】
従って、この可動式アンテナ１１では、外部に露出した金属部分がなく、静電対策が成されるようになっている。
【００５１】
尚、上述の実施例では、本発明に係る可動式アンテナをＰＣカード型携帯通信装置に適応させた例について説明したが、本発明に係る可動式アンテナは、その他、携帯電話機等の携帯通信装置をはじめ、アンテナを使用する全ての電子機器について適応させることができる。
【００５２】
【発明の効果】
上述のように、本発明に係る可動式アンテナは、回動基盤部の底面がアンテナ支持部の平らな表面によって覆われ、横軸支持片部の外側面及びアンテナ本体の軸受片部とが、互いに接触した状態で絶縁鞘部材の絶縁軸受片部によって覆われるので、外部に金属部分を露出させることがなく、見映えが良く、完全な静電対策がなされ、アンテナの小型化も可能となる。
【００５３】
また、縦軸先端にフランジ状の抜け止め頭部を形成するとともに、前記中間軸受金具の回動基盤部に、その一辺側から中央部分にかけてＵ字形の凹陥部を形成し、該凹陥部を前記縦軸の頭部下に嵌合させ、かつ前記絶縁駒によって前記凹陥部に嵌合された縦軸を抜け止めさせることによって、縦軸に対する中間軸受金具の取り付けが容易となり、組み立てを容易に行うことができるとともに、絶縁材を兼ねることとなる部品の数が少なくなる。
【００５４】
更に、縦軸先端の頭部が、アンテナ支持部からの突出部分の根元部に環状凹溝を形成することによって設けることによって、回転基盤部を好適に縦軸に支持させることができ、回動基盤部を抜け止めする為の部品を他に必要としないので小型化が可能となる。
【００５５】
アンテナ本体の基端部側に一体に設けた両軸受片部に導電性のバネ材を使用し、該両軸受片によって前記中間軸受金具の両横軸支持片部外面側を弾性的に挟持させることにより、中間軸受金具に対してアンテナ本体を回動させた際に、アンテナ本体を任意の位置で回動を止めることができ、アンテナ本体を中間軸受金具に対して好適に電気的接続することができる。
【００５６】
横軸は絶縁材により形成され、一端側にフランジ状の頭部を有するとともに、他端側に先端側を細くしたテーパ部と該テーパ部の基端側に抜け止め用段部を形成し、前記絶縁鞘部材の各絶縁軸受片部の横軸貫通孔に、前記横軸の頭部が嵌り合う拡径部及び抜け止め用係止段部を備えることにより、外部に金属部を露出させることなく中間軸受金具にアンテナ本体を好適に枢支させることができる。
【図面の簡単な説明】
【図１】本発明に係る可動式アンテナを利用した携帯型通信装置を示す斜視図である。
【図２】（ａ）は図１中の可動式アンテナを示す平面図、（ｂ）は同側面図である。
【図３】同上のＡ−Ａ線断面図である。
【図４】図２中の横軸を示す平面図である。
【図５】図２中のユニバーサルジョイントを示す分解斜視図である。
【図６】（ａ）は中間軸受金具に絶縁駒を挿入した状態を示す側面図、（ｂ）は同縦断面図である。
【図７】図２中のアンテナ本体の被覆状態を示す横断面図である。
【図８】（ａ）は同上のアンテナ本体を示す平面図、（ｂ）は同側面図である。
【図９】図２中のアンテナ支持部を示す正面図である。
【図１０】（ａ）は従来の可動式アンテナの一例を示す側面図、（ｂ）は同正面図である。
【図１１】同上の可動式アンテナに静電対策を施した状態を示す斜視図である。
【符号の説明】
１０　電子機器（ＰＣカード型携帯通信装置）
１１　可動式アンテナ
１２　アンテナ支持部
１３　縦軸
１４　中間軸受金具
１５　横軸
１６　アンテナ本体
１７　頭部
１８　テーパ部
１９　段部
２０　回動基盤部
２１　横軸支持片部
２２　絶縁駒
２２ａ　抜け止め用穴
２３　凹陥部
２４　横軸挿通孔
２５　凹部
２６　挿通孔
２７　本体部
２８　軸受片部
２９　挿通孔
３０　絶縁鞘部材
３１　絶縁軸受片部
３２　横軸貫通孔
３３　拡径部
３４　段部
３５　接続用部材
３６　抜け止め頭部
３７　環状凹溝
３８　Ｏリング[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a movable antenna mainly used for an electronic device such as a PC card type portable communication device and an electronic device including the same.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, communication devices such as a PC card type mobile communication device and a mobile phone have been provided with an antenna for transmitting and receiving radio waves (see Patent Document 1). As this antenna, a movable antenna as shown in FIG. By using the antenna, it is possible to obtain an optimum antenna position for transmitting and receiving radio waves and storing the antenna (see Patent Document 2).
[0003]
The movable antenna 1 includes a conductive longitudinal axis 3 supported by an antenna support 2, a conductive intermediate bearing 4 that is rotatably mounted on the longitudinal axis 3 around the longitudinal axis 3, The intermediate bearing 4 is provided with a universal joint composed of a vertical axis 3 and a horizontal axis 5 supported in an orthogonal arrangement. The antenna support 2 is held by an electronic device such as a portable communication device. By attaching the antenna main body 6 rotatably about the horizontal axis 5 as a center axis, the antenna main body 6 can change its direction in accordance with the transmission and reception of radio waves and the like.
[0004]
However, the parts such as the intermediate bearing 4 constituting the universal joint are formed of a conductive metal member in consideration of the strength and the electrical connection with each part, and the connecting portion between the intermediate bearing 4 and the antenna body 6 is formed. Is in a state in which the metal is exposed, and if static electricity is discharged from a human body or the like charged with static electricity there, there is a possibility that an electronic device circuit or the like that is conducted to the movable antenna 1 may be destroyed. .
[0005]
Therefore, for example, as shown in FIG. 11, a part where the metal part of the antenna is exposed is covered with a covering material 7 made of an insulating material such as a bellows or the like to take a countermeasure against static electricity.
[0006]
[Patent Document 1]
JP 2001-339211 A (FIG. 4)
[0007]
[Patent Document 2]
JP-A-08-265025 (paragraphs 0002 to 0009, FIGS. 10 and 11)
[0008]
[Problems to be solved by the invention]
However, as described above, by covering the metal portion exposed to the outside with an insulating covering material such as a bellows, the entire antenna becomes bulky, which hinders miniaturization of the antenna and the electronic device to which the antenna is mounted. There is a problem that the appearance of the antenna and the electronic device to which the antenna is attached are deteriorated.
[0009]
The present invention has been made in view of the state of the related art, and provides a movable antenna that is good in appearance, can take complete measures against static electricity in the antenna, can be downsized, and an electronic device including the movable antenna. Aim.
[0010]
[Means for Solving the Problems]
In order to solve the conventional problems as described above and to achieve the intended object, the invention of claim 1 has a conductive vertical axis supported by an antenna support made of an insulating material, A conductive joint that is rotatably mounted about the central axis, and a universal joint composed of a horizontal axis that is supported on the intermediate bearing in a direction perpendicular to the longitudinal axis. On the other hand, in a movable antenna in which the antenna main body is rotatably mounted around the horizontal axis as a center axis, and the vertical axis and the antenna main body are electrically connected via the universal joint, the intermediate bearing is flat. A rotating base portion integrally formed with a rotating base portion and a pair of horizontal shaft supporting pieces having both edges of the rotating base portion raised on the same side; and a rotating base portion of the intermediate bearing. Is the tip of the vertical axis. In addition, the two horizontal shaft support pieces are rotatably supported, and the horizontal shaft is penetrated and supported by the two horizontal shaft support pieces. The insulation for the intermediate bearing fitting made of an insulating material is provided between the two horizontal shaft support pieces of the intermediate bearing fitting. A piece is inserted and the insulating piece covers the bottom surface of the intermediate bearing and the portions except the back side of the opposing surfaces of the two horizontal shaft support pieces, and the antenna body has a pair of parallel bearing pieces on the base end side. The antenna main body, wherein the bearing piece is brought into contact with the rear side of the opposing surfaces of the two horizontal shaft support pieces of the intermediate bearing to support the antenna body so as to be rotatable about the horizontal axis. A cylindrical insulating sheath member having a bottom, which is formed with an insulating material and whose one end is open, is provided with a pair of insulating bearing pieces on the open end side of the insulating sheath member; Is pivotally attached to the intermediate bearing by the horizontal axis, and the antenna main body bearing is Characterized in that was covered the back side of the back side and two facing surfaces of the intermediate bearing bracket horizontal shaft supporting piece of the opposing surfaces of the parts.
[0011]
With this configuration, it is possible to appropriately take measures against static electricity without exposing a metal part to the outside, to reduce the size of the antenna, and to improve the appearance.
[0012]
According to a second aspect of the present invention, in addition to the configuration of the first aspect, the tip of the vertical axis is fixed by protruding the flat surface of the antenna support portion, and a flange-shaped retaining head is formed at the tip of the vertical axis. In addition, a U-shaped recess is formed in the rotation base portion of the intermediate bearing from the one side to the central portion, the recess is fitted under the head of the vertical axis, and the insulating piece is As a result, the vertical axis fitted in the recess is prevented from falling off.
[0013]
With this configuration, it is easy to attach the intermediate bearing to the vertical axis, and it is easy to assemble, and the number of parts that also serve as the insulating material is reduced.
[0014]
According to a third aspect of the present invention, in addition to the configuration of the second aspect, the head at the tip of the longitudinal axis is provided by forming an annular groove at the base of the protruding portion from the antenna support.
[0015]
With this configuration, the rotation base portion of the intermediate bearing can be suitably supported on the vertical axis.
[0016]
According to a fourth aspect of the present invention, in addition to the configuration of the first, second, or third aspect, a conductive spring material is used for the two bearing pieces integrally provided on the base end side of the antenna main body. A conductive contact pressure and a rotational friction resistance are provided by elastically sandwiching the outer surfaces of both the horizontal shaft support pieces of the intermediate bearing.
[0017]
With this configuration, when the antenna main body is rotated with respect to the intermediate bearing, the rotation of the antenna main body can be stopped at an arbitrary position. It can be electrically connected.
[0018]
According to a fifth aspect of the present invention, in addition to the configuration of the first to third or fourth aspects, the horizontal axis is formed of an insulating material, and has a flange-shaped head at one end and a tapered tip at the other end. And a tapered portion formed on the base end side of the tapered portion, and a diameter-enlarging portion in which the head of the horizontal shaft fits into a horizontal shaft through hole of each of the insulating bearing pieces of the insulating sheath member. It is characterized by having a locking step for stopping.
[0019]
With this configuration, the antenna main body can be favorably pivoted to the intermediate bearing without exposing the metal part to the outside.
[0020]
According to a sixth aspect of the present invention, an electronic apparatus includes the movable antenna according to any one of the first to fifth aspects.
[0021]
With such a configuration, not only portable communication devices such as a PC card type portable communication device and a mobile phone, but also all other electronic devices using an antenna, a movable antenna with complete electrostatic measures. Thus, transmission and reception of radio waves can be performed.
[0022]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of a movable antenna according to the present invention will be described with reference to the drawings.
[0023]
FIG. 1 shows an example of a use state of a movable antenna. Reference numeral 10 denotes an electronic device such as a PC card type portable communication device, and reference numeral 11 denotes a movable antenna.
[0024]
The movable antenna 11 includes a conductive vertical axis 13 supported by an antenna support 12 made of an insulating material, and a conductive intermediate bearing bracket rotatably mounted on the vertical axis 13 about the vertical axis 13. 14 and a universal joint consisting of a horizontal axis 15 supported on the intermediate bearing 14 so as to be orthogonal to the vertical axis 13. The antenna support 12 is held by the electronic device 10 such as a PC card type portable communication device. By attaching the antenna main body 16 to the intermediate bearing 14 so as to be rotatable about the horizontal axis 15, it is possible to obtain an optimum antenna position for transmitting and receiving radio waves, storing the antenna, and the like.
[0025]
As shown in FIG. 4, the horizontal shaft 15 constituting the universal joint is formed of an insulating material, and has a flange-shaped head 17 at one end and a tapered portion 18 having a tapered end at the other end. A step portion 19 for retaining is formed on the base end side of the base plate.
[0026]
As shown in FIG. 5, the intermediate bearing 14 has a flat rotating base 20 formed of a conductive metal member, and a horizontal axis that rises to the same side from both side edges of the rotating base 20. It is formed in a U-shaped cross section having the support pieces 21 and 21 integrally.
[0027]
An insulating piece 22 is inserted between the two horizontal shaft support pieces 21 and 21 of the intermediate bearing 14, whereby the bottom surface of the rotating base 20 and the outer surfaces of the two horizontal shaft support pieces 21 and 21 ( Except for the opposite side surfaces of the two horizontal shaft support pieces, the portions are covered.
[0028]
The turning base portion 20 is provided with a concave portion 23 formed by extending a center circular hole toward one side edge, that is, a U-shaped portion extending from one side edge to the center portion. The rotating base 20 is rotatably and irremovably supported by the antenna support 12 by fitting the conductive longitudinal axis 13 protruding from the antenna support 12 into the antenna.
[0029]
Each of the horizontal shaft support pieces 21 and 21 has a horizontal shaft insertion hole 24 through which the horizontal shaft 15 constituting the universal joint is inserted.
[0030]
The insulating piece 22 is formed of an insulating material, and has a shape in which a part of the outer peripheral surface of the disk is cut out to form a bottom surface.
[0031]
An insertion hole 26 through which the horizontal shaft 15 is inserted is opened through the center part of the disk.
[0032]
On both sides of the insulating piece 22, concave portions 25, 25 for fitting the supporting piece portions 21 and 21 of the intermediate bearing metal fitting 14 are formed, and on the bottom surface of the insulating piece 22, A retaining hole 22a into which the tip of the vertical axis 13 is inserted is formed.
[0033]
As shown in FIG. 6, when the insulating piece 22 is inserted between the two horizontal shaft supporting pieces 21 and 21 of the intermediate bearing 14, the intermediate bearings 14 are recessed into the concave portions 25. , 25, and a portion excluding the lower surface of the rotating base 20 and the outer surfaces (the back surfaces of the opposing surfaces) of the horizontal shaft support pieces 21, 21 are covered by the insulating piece 22.
[0034]
When the insulating piece 22 is inserted between the two horizontal shaft support pieces 21 and 21 of the intermediate bearing 14, the edge of the rotating base is covered and the tip of the vertical axis 13 is inserted into the retaining hole 22 a. Then, the movement of the rotating base portion 20 in the direction of the rotating radius with respect to the longitudinal axis 13 is restricted, so that the rotating base portion 20 is prevented from coming off.
[0035]
When the insulating piece 22 is inserted between the two horizontal shaft support pieces 21 and 21 of the intermediate bearing 14, the horizontal shaft 15 is connected to the horizontal shaft support piece 21, the insulating piece 22, and the horizontal shaft support piece 21. By penetrating and penetrating, the intermediate bearing fitting 14 is prevented from coming off in the direction of the longitudinal axis.
[0036]
As shown in FIG. 8, the antenna main body 16 includes a thin and long plate-shaped main body 27 and a pair of parallel bearing pieces 28 protruding from both side edges of the end of the main body 27. The two bearing pieces 28, 28 are integrally formed of a conductive spring material, and the distance between the protruding ends of the bearing pieces 28, 28 is narrowed. The outer surfaces of the members 21 and 21 can be elastically clamped. The bearing piece 28 has an insertion hole 29 through which the horizontal shaft 15 is inserted.
[0037]
Further, the antenna main body 16 holds the horizontal shaft 15 on the intermediate bearing member 14 in a state where the outer surfaces of both the horizontal shaft support pieces 21 and 21 of the intermediate bearing member 14 are elastically held between the two bearing pieces 28 and 28. By being rotatably supported about the center of rotation, it is electrically connected to the intermediate bearing fitting 14, and the bearing piece 28 has a suitable conductive contact pressure against the outer surface of the horizontal shaft support piece 21. , A rotational frictional resistance is obtained, so that the shaft is electrically connected to the longitudinal axis 13 via a universal joint.
[0038]
As shown in FIG. 7, a bottomed cylindrical insulating sheath member 30 made of an insulating material and having one open end is placed on the outside of the antenna body 16 so that the antenna body 16 is not exposed to the outside.
[0039]
A pair of insulating bearing pieces 31, 31 facing each other are formed at the base end of the insulating sheath member 30, and the horizontal axis is pivotally supported at the center of the insulating bearing pieces 31, 31. Through holes 32, 32 are formed, and in the horizontal shaft through hole 32, an enlarged diameter portion 33 in which the head 17 of the horizontal shaft 15 fits with each other and a step portion 34 for retaining are formed, respectively.
[0040]
When the insulating sheath member 30 is put on the antenna body 16, the bearing pieces 28, 28 of the antenna body 16 are arranged on the opposing surfaces of the insulating bearing pieces 31, 31 along the opposing surface of the insulating bearing piece 31. It is supposed to be.
[0041]
As shown in FIG. 9, the antenna support portion 12 is formed in a rectangular parallelepiped shape made of an insulating material by resin molding, fitted into a mounting portion of the PC card type portable communication device 10, and held by the portable communication device 10. Has become.
[0042]
A conductive vertical axis 13 constituting a universal joint is fixed to the antenna support 12 so as to protrude from a flat surface of the antenna support and is connected to an electronic circuit built in the portable communication device 10. Connection member 35 is fixed in a state of being connected to the vertical axis 13.
[0043]
The vertical axis 13 has a flange-shaped retaining head 36 formed at the tip, and the retaining head 36 is provided at the base of the protruding portion of the vertical axis 13 protruding from the antenna supporting portion, at the rotation base 20. Is formed by forming an annular groove 37 whose diameter is substantially the same as the width of the concave portion 23 (ie, the diameter of the central circular hole).
[0044]
By fitting the concave portion 23 into the annular groove 37, the periphery of the concave portion 23 of the turning base portion 20 abuts below the retaining head 36, and the turning base portion 20 is rotated with respect to the longitudinal axis 13. It can be made freely and unremovable in the axial direction, and is also electrically connected.
[0045]
The retaining head 36 is inserted into a retaining hole 22 a formed on the bottom surface of the insulating piece 22 when the vertical axis 13, the intermediate bearing 14 and the insulating piece 22 are assembled. The vertical axis 13 of the rotating base portion 20 is prevented from coming off in the direction of the radius of rotation.
[0046]
As the connecting member 35, a connector or the like which is connected to and electrically connected to the other party connected to the electronic device circuit is used. By attaching the antenna support 12 to the PC card type portable communication device 10, the connecting member 35 is connected. Is electrically connected to the other party connected to the electronic device circuit.
[0047]
Reference numeral 38 in the figure denotes an O-ring made of an elastic material. The O-ring 38 provides resistance to the rotation of the intermediate bearing 14 with respect to the antenna support 12 and can stop the rotation at an arbitrary position. It has become.
[0048]
In the movable antenna 11, the bottom surface of the rotating base portion is covered by the flat surface 12 a of the antenna support portion 12 on which the vertical axis 13 protrudes, and the insulating sheath member 30 covering the antenna body 16. The two outer surfaces of the antenna main body bearing pieces 28, 28 (the back side of the surfaces facing the two bearing pieces) and the two outer surfaces of the intermediate bearing bracket horizontal shaft supporting pieces 21, 21 (both facing) (The back side of the surface).
[0049]
That is, the antenna main body bearing piece 28 and the intermediate bearing horizontal shaft support piece 21 which are overlapped and electrically connected to each other are covered by the insulating bearing piece 31 of the insulating sheath member 30 so that the metal part is not exposed to the outside. ing.
[0050]
Therefore, in this movable antenna 11, there is no metal part exposed to the outside, and an antistatic measure is taken.
[0051]
In the above-described embodiment, an example is described in which the movable antenna according to the present invention is adapted to a PC card type portable communication device. However, the movable antenna according to the present invention is also applicable to a portable communication device such as a mobile phone. And other electronic devices using an antenna.
[0052]
【The invention's effect】
As described above, in the movable antenna according to the present invention, the bottom surface of the rotating base portion is covered with the flat surface of the antenna support portion, and the outer surface of the horizontal shaft support piece portion and the bearing piece portion of the antenna body are Since it is covered with the insulating bearing piece of the insulating sheath member in a state of being in contact with each other, the metal part is not exposed to the outside, the appearance is good, a complete electrostatic countermeasure is taken, and the antenna can be miniaturized. .
[0053]
In addition, a flange-shaped retaining head is formed at the tip of the longitudinal axis, and a U-shaped concave portion is formed on the rotation base portion of the intermediate bearing from one side to a central portion thereof, and the concave portion is formed as the concave portion. By fitting below the head of the vertical axis and preventing the vertical axis fitted in the concave portion by the insulating piece from falling off, attachment of the intermediate bearing bracket to the vertical axis becomes easy, and assembly is facilitated. And the number of components that also serve as the insulating material is reduced.
[0054]
Furthermore, by providing the head of the tip of the vertical axis by forming an annular groove at the base of the protruding portion from the antenna support, the rotating base can be suitably supported on the vertical axis, Since no other parts are required for retaining the base portion, the size can be reduced.
[0055]
A conductive spring material is used for both bearing pieces integrally provided on the base end side of the antenna main body, and the outer surfaces of the two horizontal shaft support pieces of the intermediate bearing bracket are elastically held between the two bearing pieces. Thereby, when the antenna main body is rotated with respect to the intermediate bearing, the rotation of the antenna main body can be stopped at an arbitrary position, and the antenna main body can be suitably electrically connected to the intermediate bearing. Can be.
[0056]
The horizontal axis is formed of an insulating material, has a flange-shaped head on one end side, and forms a tapered portion having a thinner distal end side on the other end side and a retaining step on the base end side of the tapered portion, Exposing the metal part to the outside by providing the enlarged diameter part and the retaining step part for retaining the head of the horizontal axis in the horizontal axis through hole of each insulating bearing piece part of the insulating sheath member. Therefore, the antenna main body can be favorably pivoted to the intermediate bearing.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a portable communication device using a movable antenna according to the present invention.
2A is a plan view showing a movable antenna in FIG. 1, and FIG. 2B is a side view thereof.
FIG. 3 is a sectional view taken along line AA in FIG.
FIG. 4 is a plan view showing a horizontal axis in FIG. 2;
FIG. 5 is an exploded perspective view showing the universal joint in FIG. 2;
FIG. 6A is a side view showing a state where an insulating piece is inserted into an intermediate bearing, and FIG. 6B is a longitudinal sectional view of the same.
FIG. 7 is a transverse sectional view showing a covering state of the antenna body in FIG. 2;
FIG. 8A is a plan view showing the antenna main body of the above, and FIG. 8B is a side view of the same.
FIG. 9 is a front view showing the antenna support in FIG. 2;
FIG. 10A is a side view showing an example of a conventional movable antenna, and FIG. 10B is a front view thereof.
FIG. 11 is a perspective view showing a state where a countermeasure against static electricity is applied to the movable antenna according to the third embodiment.
[Explanation of symbols]
10 Electronic equipment (PC card type portable communication device)
DESCRIPTION OF SYMBOLS 11 Movable antenna 12 Antenna support part 13 Vertical axis 14 Intermediate bearing bracket 15 Horizontal axis 16 Antenna body 17 Head part 18 Tapered part 19 Step part 20 Rotation base part 21 Horizontal axis support piece part 22 Insulation piece 22a Retaining hole 23 Depressed portion 24 Horizontal shaft insertion hole 25 Depression 26 Insertion hole 27 Main body 28 Bearing piece 29 Insertion hole 30 Insulating sheath member 31 Insulated bearing piece 32 Horizontal shaft through hole 33 Large diameter portion 34 Step 35 Connection member 36 Head 37 Annular groove 38 O-ring

Claims (6)

絶縁材からなるアンテナ支持部に支持させた導電性の縦軸と、該縦軸に対し、これを中心軸として回動自在に取り付けられた導電性の中間軸受金具と、該中間軸受金具に前記縦軸と直交配置に支持させた横軸とからなるユニバーサルジョイントを備え、前記中間軸受金具に対し、前記横軸を中心軸として回動自在にアンテナ本体を取り付け、前記縦軸とアンテナ本体とを前記ユニバーサルジョイントを介して導通させてなる可動式アンテナにおいて、
前記中間軸受金具は、平板状の回動基盤部と、該回動基盤部の両縁をそれぞれ同じ側に立ち上がらせた一対の横軸支持片部とを一体に有する断面Ｕ字形に形成され、
該中間軸受金具の回動基盤部を前記縦軸の先端に回動自在に支持させるとともに、前記両横軸支持片部に前記横軸を貫通させて支持させ、
前記中間軸受金具の両横軸支持片部間に絶縁材からなる中間軸受金具用の絶縁駒を挿入し、該絶縁駒により中間軸受金具の底面及び両横軸支持片部の対向面の背面側を除く部分を覆わせ、
前記アンテナ本体には基端部側に一対の平行な軸受片部を一体に備え、該軸受片部を前記中間軸受金具の両横軸支持片部の対向面の背面側に接触させて前記横軸を中心軸にして回動自在に支持させ、
該アンテナ本体の外側に、絶縁材を持って成形され、一端側が開放した有底筒状の絶縁鞘部材を被せ、該絶縁鞘部材の開放端側に一対の絶縁軸受片部を備え、該絶縁軸受片部を前記横軸により中間軸受金具に枢着させ、該絶縁軸受片部により前記アンテナ本体軸受片部の両軸受片対向面の背面側及び前記中間軸受金具横軸支持片部の両対向面の背面側を覆わせたことを特徴としてなる可動式アンテナ。A conductive longitudinal axis supported by an antenna supporting portion made of an insulating material, a conductive intermediate bearing bracket rotatably mounted on the longitudinal axis with respect to the longitudinal axis, and A universal joint consisting of a horizontal axis supported in a perpendicular arrangement to the vertical axis is provided, and the antenna main body is attached to the intermediate bearing bracket so as to be rotatable about the horizontal axis as a center axis. In a movable antenna made conductive through the universal joint,
The intermediate bearing is formed in a U-shaped cross-section integrally having a flat-plate-shaped pivot base portion and a pair of horizontal shaft support pieces each having both edges of the pivot base portion raised on the same side,
Along with the rotation base portion of the intermediate bearing metal being rotatably supported at the tip of the vertical axis, the horizontal axis is passed through and supported by the two horizontal axis support pieces,
An insulating piece for an intermediate bearing fitting made of an insulating material is inserted between the two horizontal shaft supporting pieces of the intermediate bearing fitting, and the insulating piece is used to insert a rear face of the bottom surface of the intermediate bearing fitting and the opposite surfaces of the two horizontal shaft supporting pieces. Cover the parts except
The antenna body is integrally provided with a pair of parallel bearing pieces on the base end side, and the bearing pieces are brought into contact with the back surfaces of the opposing surfaces of the two horizontal shaft support pieces of the intermediate bearing fitting, thereby obtaining the horizontal bearing piece. To be rotatable around the axis,
On the outside of the antenna body, a cylindrical insulating sheath member having a bottom and formed with an insulating material and having one open end is covered, and a pair of insulating bearing pieces are provided on the open end side of the insulating sheath member. The bearing piece is pivotally attached to the intermediate bearing with the horizontal axis, and the insulating bearing piece is used to oppose the opposite side of the bearing piece facing portion of the antenna main body and the intermediate bearing horizontal shaft support piece. A movable antenna characterized by covering the back side of the surface. 前記縦軸の先端をアンテナ支持部の平らな表面に突出させて固定し、該縦軸の先端にフランジ状の抜け止め頭部を形成するとともに、前記中間軸受金具の回動基盤部に、その一辺側から中央部分にかけてＵ字形の凹陥部を形成し、該凹陥部を前記縦軸の頭部下に嵌合させ、かつ前記絶縁駒によって前記凹陥部に嵌合された縦軸を抜け止めさせてなる請求項１に記載の可動式アンテナ。The tip of the vertical axis is projected and fixed to the flat surface of the antenna support portion, and a flange-like retaining head is formed at the tip of the vertical axis, and the rotation base portion of the intermediate bearing is provided with the same. A U-shaped concave portion is formed from one side to the central portion, the concave portion is fitted below the head of the vertical axis, and the vertical axis fitted to the concave portion by the insulating piece is prevented from falling off. The movable antenna according to claim 1, comprising: 縦軸先端の頭部は、アンテナ支持部からの突出部分の根元部に環状凹溝を形成することによって設けてなる請求項２に記載の可動式アンテナ。3. The movable antenna according to claim 2, wherein the head at the tip of the vertical axis is provided by forming an annular groove at the base of the protruding portion from the antenna support. アンテナ本体の基端部側に一体に設けた両軸受片部に導電性のバネ材を使用し、該両軸受片によって前記中間軸受金具の両横軸支持片部外面側を弾性的に挟持させることにより導電接触圧及び回動摩擦抵抗を持たせてなる請求項１，２又は３に記載の可動式アンテナ。An electrically conductive spring material is used for both bearing pieces integrally provided on the base end side of the antenna body, and the outer surfaces of the two horizontal shaft support pieces of the intermediate bearing bracket are elastically held between the two bearing pieces. 4. The movable antenna according to claim 1, wherein the movable antenna has conductive contact pressure and rotational friction resistance. 横軸は絶縁材により形成され、一端側にフランジ状の頭部を有するとともに、他端側に先端側を細くしたテーパ部と該テーパ部の基端側に抜け止め用段部を形成し、前記絶縁鞘部材の各絶縁軸受片部の横軸貫通孔に、前記横軸の頭部が嵌り合う拡径部及び抜け止め用係止段部を備えてなる請求項１〜３又は４に記載の可動式アンテナ。The horizontal axis is formed of an insulating material, has a flange-shaped head on one end side, and forms a tapered portion with a narrowed distal end side on the other end side and a retaining step on the base end side of the tapered portion, 5. The horizontal shaft through-hole of each insulating bearing piece of the insulating sheath member includes an enlarged diameter portion into which the head of the horizontal shaft fits, and a retaining step portion for retaining. 5. Mobile antenna. 請求項１乃至５のいずれかに記載の可動式アンテナを備えた電子機器。An electronic device comprising the movable antenna according to claim 1.
JP2002291544A 2002-10-03 2002-10-03 Movable antenna Expired - Fee Related JP3789416B2 (en)

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JP2002291544A JP3789416B2 (en) 2002-10-03 2002-10-03 Movable antenna
TW92117156A TWI270233B (en) 2002-10-03 2003-06-24 Movable antenna and electronic machine having the same
CNB031434142A CN100418264C (en) 2002-10-03 2003-09-28 Rotary antenna and electronic equipment with the antenna
HK04109149.7A HK1066327A1 (en) 2002-10-03 2004-11-19

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JP2009303105A (en) * 2008-06-17 2009-12-24 Smk Corp Movable antenna
JP2010048001A (en) * 2008-08-22 2010-03-04 Jinko Fukui Support body rotating implement and ladder using the same
JP2010103588A (en) * 2008-10-21 2010-05-06 Nec Infrontia Corp Antenna device and card type electronic apparatus
JPWO2011024323A1 (en) * 2009-08-28 2013-01-24 株式会社 マクロスジャパン Cell phone communication function suppression device

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JP6807980B2 (en) * 2019-05-20 2021-01-06 レノボ・シンガポール・プライベート・リミテッド Electronics
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TW200406083A (en) 2004-04-16
HK1066327A1 (en) 2005-03-18
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CN1497772A (en) 2004-05-19
JP3789416B2 (en) 2006-06-21

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