JP2008083867A - Memory card socket - Google Patents

Memory card socket Download PDF

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JP2008083867A
JP2008083867A JP2006261493A JP2006261493A JP2008083867A JP 2008083867 A JP2008083867 A JP 2008083867A JP 2006261493 A JP2006261493 A JP 2006261493A JP 2006261493 A JP2006261493 A JP 2006261493A JP 2008083867 A JP2008083867 A JP 2008083867A
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memory card
antenna
built
socket
portion
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Masato Nanboku
Hirohisa Tanaka
正人 南北
博久 田中
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Matsushita Electric Works Ltd
松下電工株式会社
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<P>PROBLEM TO BE SOLVED: To provide a memory card socket with expanded coverage without increasing cost or size. <P>SOLUTION: A memory card MC, having a built-in loop antenna 100 within a plane along a principal plane, and sending and receiving data to and from the outside via the built-in antenna 100 by non-contact communication, is removably inserted into the socket 1. The socket 1 has a case 2 with a card slot 2a to insert the memory card MC, and a card housing for removably accepting at least a portion of the memory card MC through the card slot 2a. The side of the case 2 opposed to the principle plane of the memory card MC and facing a reader/writer is formed by a cover shell 4 made of either conductive material or magnetic material. A secondary antenna part 10a, which overlaps with at least a portion of the built-in antenna 100 in the normal direction of the principal plane of the memory card MC, is provided integrally with the cover shell 4. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、SDメモリカードやマルチメディアカード(MMCカード)のようなメモリカードに非接触通信によって外部とのデータ授受を行うICカード機能を持たせたメモリカードを挿抜自在に接続するためのメモリカード用ソケットに関するものである。 The present invention includes a memory for the memory card which gave IC card function for data exchange with the outside by non-contact communication in a memory card removably connected, such as an SD memory card or a multimedia card (MMC card) the present invention relates to a socket for a card.

従来、デジタルカメラや携帯電話機などの電子機器におけるデータ記憶手段として、カード型のハウジングにフラッシュメモリのような不揮発性メモリを内蔵したメモリカード、例えばSDメモリカード(登録商標)やマルチメディアカード(登録商標)が急速に普及してきた。 Conventionally, as a data storage means in electronic devices such as digital cameras and mobile phones, memory cards, for example, an SD memory card (registered trademark), a multimedia card (registered with a built-in nonvolatile memory such as a flash memory card type housing trademark) has been spread rapidly. そして、かかるメモリカードを挿抜自在に接続するためのメモリカード用ソケットとして、前方に開口したカード挿入口を通してメモリカードが内部に挿入されるハウジングと、ハウジング内に設けられメモリカードが有する接続端子に接触導通する複数のコンタクトと、ハウジング内でメモリカードの挿抜方向にスライド自在に設けられカード挿入口から挿入されるメモリカードに連動してハウジング内をスライド移動するスライド部材と、ハウジングに対してカード挿入口に向かう向きにスライド部材を付勢する付勢ばねと、メモリカードの接続端子がコンタクトに接触する保持位置よりも奥のロック位置までスライド部材が押し込まれるとスライド部材のカード挿入口へ向かう向きへの移動を禁止するとともに、スライド部材がロック Then, as the memory card socket for connecting such a memory card removably on, through the card insertion port which opens to the front and housing the memory card is inserted, the connecting terminals of the memory card is provided within the housing a plurality of contacts that contact conducts a slide member for sliding movement within the housing in conjunction with a memory card inserted from the card insertion opening in the insertion direction is provided slidably in a memory card in the housing, the card relative to the housing a biasing spring for biasing the slide member in a direction towards the insertion opening, toward the connection terminals of the memory card slide member is pushed to the locked position of the rear than the holding position in contact with the contact to the card insertion opening of the slide member with to prohibit the movement of the direction, the slide member is locked 置よりも奥まで一旦押し込まれた状態で押力が解除されるとスライド部材を解放するプッシュオン・プッシュオフ型のロック機構とを備えたものが従来より提供されている(例えば、特許文献1参照)。 Those with the pushing force is released at once pushed in all the way and push-on push-off type locking mechanism to release the slide member is provided conventionally than location (e.g., Patent Document 1 reference).

上記のようにプッシュオン・プッシュオフ型のロック機構を備えたメモリカード用ソケットにメモリカードを接続する際は、メモリカードをハウジングに挿入して押し込むと、スライド部材がメモリカードを介して押力を受け、メモリカードの接続端子がコンタクトに接触する保持位置よりもやや奥のロック位置まで移動したときに、カード挿入口へ向かう向きへのスライド部材の移動がロック機構によって禁止され、メモリカードへの押力を除去した後にもメモリカードが保持位置に留まることになる。 When connecting the memory card into the memory card socket having a push-on push-off type locking mechanism as described above, when pushed by inserting the memory card into the housing, the slide member via the memory card pushing force receiving, when moving slightly to the back of the locked position than the holding position connecting terminals of the memory card contacts the contact, the movement of the slide member to a direction toward the card insertion port is prohibited by the lock mechanism, the memory card the memory card even after removal of the pushing force of will remain in the holding position. 一方、メモリカードを抜く際には、ロック位置よりも少し奥にメモリカードを一旦押し込んでからメモリカードへの押力を除去すると、ロック機構がスライド部材を解放し、メモリカードがスライド部材を介して付勢ばねのばね力を受け、ハウジングから押し出される。 On the other hand, when removing the memory card, removal of pushing force to the memory card from the push once memory card slightly deeper than the lock position, the lock mechanism releases the slide member, the memory card via the slide member receiving a spring force of the biasing springs Te, extruded from the housing.

ところで、非接触通信によって外部との間でデータを授受するICカード機能を持たせたメモリカード(例えば、「SmartSD」)が今後普及すると予測される。 Incidentally, a memory card which gave IC card function for exchanging data with the outside by non-contact communication (e.g., "SmartSD") is expected to spread in the future. かかるICカード機能付きのメモリカードには非接触通信用のアンテナが内蔵されているが、メモリカード自体が小型であるために内蔵アンテナも必然的に小型になり、通信距離の確保が重要な課題となる。 While such in the memory card with the IC card function has a built-in antenna for contactless communication, built-in antenna for the memory card itself is small also inevitably becomes small, secure communication distance is important to become. 例えば特許文献2には、アンテナを内蔵したクレジットカード型のアダプタにICカード機能付きメモリカードを装着することで通信距離を確保する技術が開示されている。 For example, Patent Document 2, a technique for securing the communication distance by mounting a memory card with an IC card function to a credit card-type adapter with a built-in antenna is disclosed.
特開2005−26016号公報 JP 2005-26016 JP 特開2002−279377号公報 JP 2002-279377 JP

しかしながら、特許文献2に記載されている従来例のようにクレジットカード型のアダプタを使用した場合、従来のメモリカード用ソケットには装着することができず、専用のソケットを新たに設計し直す必要があり、ソケットが大型化するとともにコストが大幅に増大するという問題があった。 However, when using a credit card type adapter as in the conventional example described in Patent Document 2, the conventional memory card socket can not be mounted, newly required to redesign a dedicated socket There are, socket there has been a problem that the cost increases significantly with the size of.

本発明は上記問題点に鑑みて為されたものであり、その目的とするところは、コストアップや大型化を招くことなく通信距離を延ばすことができるメモリカード用ソケットを提供することにある。 The present invention has been made in view of the above problems, and an object is to provide a socket for a memory card that can extend the communication distance without increasing the cost and size.

上記目的を達成するために、請求項1の発明は、 To achieve the above object, the invention of claim 1,
主平面に沿う平面内でループ状に形成された内蔵アンテナが一方の主平面に近接して配置され、内蔵アンテナを介してリーダライタ装置との間で非接触通信によりデータを授受するメモリカードが挿抜自在に装着されるメモリカード用ソケットであって、 Internal antenna formed in a loop shape in a plane along the main plane is arranged close to one of the main planes, a memory card for exchanging data via contactless communication with the reader writer device via the internal antenna a removably to the memory card socket being mounted,
メモリカードが挿入されるカード挿入口および当該カード挿入口を通してメモリカードの少なくとも一部を挿抜自在に受け入れるカード収容部を具備したケースを備え、当該ケースにおいてメモリカードの一方の主平面に対向する面で、且つ、リーダライタ装置側の面に、磁性材料又は導電材料の何れかで形成され、内蔵アンテナの少なくとも一部と重なる位置に配置される2次アンテナ部を設けたことを特徴とする。 Includes a case provided with the card accommodating portion for receiving at least a portion of a memory card removably inserted through the card insertion port and the card insertion slot memory card is inserted, opposite the one main plane of the memory card in the case the surface in and on the surface of the reader-writer apparatus, is formed of any magnetic material or a conductive material, characterized in that a secondary antenna unit disposed on at least a portion overlaps the position of the built-in antenna.

請求項2の発明は、請求項1の発明において、内蔵アンテナは平面視の形状が略ロ字形に形成されており、2次アンテナ部が、内蔵アンテナの少なくとも1つの辺と重なる位置に配置されたことを特徴とする。 The invention of claim 2 is the invention of claim 1, built-in antenna has a shape in plan view is formed in substantially square shape, secondary antenna unit is disposed to overlap with at least one side position of the built-in antenna characterized in that was.

請求項3の発明は、請求項2の発明において、2次アンテナ部が、内蔵アンテナの2辺以上と重なる位置に配置されたことを特徴とする。 The invention of claim 3 is the invention of claim 2, secondary antenna unit, characterized in that arranged at a position overlapping the two sides or more built-in antenna.

請求項4の発明は、請求項1乃至3の何れかの発明において、ケースにおいてメモリカードの一方の主平面に対向する面で、且つ、リーダライタ装置側の面を、磁性材料又は導電材料の何れかで形成された金属シェルで構成し、2次アンテナ部を金属シェルと一体に設けたことを特徴とする。 The invention according to claim 4, in any one of the claims 1 to 3, in the surface facing the one main plane of the memory card in the case, and, the face of the reader-writer apparatus, the magnetic material or a conductive material and a metal shell formed in either the secondary antenna unit, characterized in that formed integrally with the metal shell.

請求項1の発明によれば、 According to the present invention,
ケースにおいてメモリカードの一方の主平面に対向する面で、且つ、リーダライタ装置側の面に配置された2次アンテナ部が、メモリカードの内蔵アンテナの少なくとも一部と重なっているので、メモリカードの一方の主平面に対向する面で、リーダライタ装置側の面に磁界(磁束)が集まりやすくなり、リーダライタ装置の磁界(磁束)が引き込まれることによって、メモリカードの内蔵アンテナに対してブースターアンテナ(2次アンテナ)の役割を果たし、その結果メモリカードとリーダライタ装置との間の非接触通信の性能が向上して、通信距離を延ばすことができるという効果がある。 In the surface facing the one main plane of the memory card in the case, and, secondary antenna portion disposed on a surface of the reader-writer device side, so overlaps with at least a portion of the built-in antenna of the memory card, the memory card in the surface facing the one main plane of the magnetic field on the surface of the reader-writer apparatus (magnetic flux) is easily gathered, by the magnetic field of the reader-writer device (magnetic flux) is retracted, the booster with respect to the built-in antenna of the memory card act as antennas (secondary antenna), resulting in improved performance of the non-contact communication between the memory card and the reader-writer device, there is an effect that it is possible to extend the communication distance. しかも2次アンテナ部は、メモリカードの内蔵アンテナと重なる位置に設けられているので、ソケットが大型化することはなく、したがってソケットを新たに設計し直す必要がないからコストアップを招くことがないという効果もある。 Moreover secondary antenna unit, since provided in a position overlapping with the built-in antenna of the memory card, never socket becomes large, thus never increasing the cost because there is no need to re newly designed sockets there is also an effect that.

請求項2の発明によれば、2次アンテナ部が、略ロ字形に形成された内蔵アンテナの少なくとも1つの辺と重なる位置に配置されているので、この2次アンテナ部が、請求項1の発明と同様、メモリカードの内蔵アンテナに対してブースターアンテナ(2次アンテナ)の役割を果たし、その結果メモリカードとリーダライタ装置との間の非接触通信の性能が向上し、通信距離を延ばすことができるという効果がある。 According to the invention of claim 2, secondary antenna unit, since it is arranged on at least one side and overlapping position of the built-in antenna which is formed in substantially square shape, this secondary antenna unit of claim 1 similar to the invention, it acts as a booster antenna (secondary antenna) to the internal antenna of the memory card, and contactless improve performance of communications between the resulting memory card and the reader-writer device, to extend the communication distance there is an effect that it is.

請求項3の発明によれば、2次アンテナ部が、略ロ字形に形成された内蔵アンテナの2辺以上と重なる位置に配置されているので、メモリカードの内蔵アンテナに対するブースターアンテナ(2次アンテナ)の役割がさらに大きくなり、メモリカードとリーダライタ装置との間の非接触通信の性能が向上し、通信距離をさらに延ばすことができるという効果がある。 According to the invention of claim 3, the secondary antenna unit, since it is arranged at a position overlapping the two sides or more built-in antenna which is formed in substantially square-shape, the booster antenna (secondary antenna for the built-in antenna of the memory card role) is further increased, and the non-contact improving performance of communications between the memory card and the reader-writer device, there is an effect that it is possible to further extend the communication distance.

請求項4の発明によれば、2次アンテナ部が、ケースを構成する金属シェルと一体に設けられているので、部品点数を減らして、組立作業性を向上させることができる。 According to the invention of claim 4, secondary antenna unit, since the provided metal shell integrally constituting the case, it is possible to reduce the number of parts, improve the assembling workability.

以下に本発明の実施の形態を図面に基づいて説明する。 It is described with reference to embodiments of the present invention with reference to the drawings hereinafter.

本発明に係るメモリカード用ソケットの実施形態を、電子機器等(図示せず)に設けられ、内蔵したアンテナを介した非接触通信により外部のリーダライタ装置との間でデータを授受するICカード機能付きのSDメモリカード(登録商標)のようなメモリカードが挿抜自在に装着されるソケットを例に、図1〜図4を参照して説明する。 IC card of embodiment of a memory card socket according to the present invention, provided in an electronic equipment or the like (not shown), which exchanges data with the external reader-writer apparatus by non-contact communication via the built-in antenna memory cards such as function of the SD memory card (registered trademark) is an example sockets mounted removably inserted, it will be described with reference to FIGS. 尚、以下の説明では図1における上下の向きをそれぞれ上向き及び下向きと規定し、左斜め上方の向きを左向き、右斜め下方の向きを右向き、左斜め下方の向きを前向き、右斜め上方の向きを後向きと規定して説明を行う。 In the description below defines respectively upward and downward in the vertical direction in FIG. 1, left and upper left direction, right and lower right direction, the lower left portion of the orientation forward, diagonally upward right direction a a description will be defined as backward.

図3に示すように、本実施形態で用いるメモリカードMCは従来周知のSDメモリカード(登録商標)に内蔵アンテナ(ループコイル)100並びに内蔵アンテナ100を介した非接触通信により外部とのデータ授受を行う集積回路(IC)を内蔵してなり、外周形状が略矩形状であって、後側の上面に複数個(8個)の接続端子101が左右に並べて設けられている。 3, the memory card MC used in the present embodiment the data exchange with the outside by non-contact communication via the internal antenna (loop coil) 100 and the built-in antenna 100 to the well-known SD memory card (registered trademark) built to be an integrated circuit (IC) that performs, a peripheral shape is substantially rectangular, the connection terminals 101 of the plurality (eight) on the upper surface of the rear side are provided side by side. 内蔵アンテナ100はメモリカードMCの主平面に沿う平面内でループ状に形成され、平面視の形状が略ロ字形に形成されており、メモリカードMCの内部空間においてメモリカードMCの一方の主表面(リーダライタ装置側の面であって図1の上面)に近接させて配置されている。 Built-in antenna 100 is formed in a loop shape in a plane along the main plane of the memory card MC, the shape in plan view is formed in a substantially square shape, one main surface of the memory card MC in the internal space of the memory card MC are disposed (a surface of the reader-writer device side upper surface in FIG. 1) is close to. またメモリカードMCの内部には、他方の主表面に近接させて上述の集積回路などを実装した回路基板(図示せず)が配置されており、この回路基板と内蔵アンテナ100の間には磁性シート(図示せず)が配置されている。 The inside of the memory card MC, the other is the circuit board mounted with such aforementioned integrated circuit in close proximity to the main surface (not shown) is arranged, magnetism between the built-in antenna 100 and the circuit board sheet (not shown) is disposed.

また、メモリカードMCの後部(挿入側)の一方の角(左後ろの角)を落として逆差し防止用の傾斜カット部102を形成してあり、メモリカードMCの左側縁には、傾斜カット部102よりもやや前側の部位に矩形状に陥没したロック用切欠(図示せず)が設けられている。 Further, Yes to form an inclined cut portion 102 for preventing reverse insertion dropped the one corner of the rear part of the memory card MC (insertion side) (back left corner) on the left edge of the memory card MC, oblique cutoff locking notch and depressed in a rectangular shape a little front side of the site than parts 102 (not shown) is provided. さらにメモリカードMCの右側縁には、手操作で摘みを前後にスライドさせることでデータの書き込み可能・禁止を切り替えるライトプロテクトスイッチ103が設けられている。 To the right edge of the memory card MC, the write protect switch 103 for switching the writable-prohibited data by sliding the knob back and forth manually is provided.

次に本実施形態のメモリカード用ソケット(以下、ソケットと略称する。)1について詳細に説明する。 Then the memory card socket of the present embodiment (hereinafter, abbreviated as socket.) 1 will be described in detail. このソケット1は、非接触通信機能を持たない従来のソケットとほぼ同様の構成及び機能を有しており、メモリカードMCをカード挿入口2aを通してカード収容部2b内部に挿入し押し込むことで、当該メモリカードMCが所定のロック位置に保持され、その後ロック位置よりも奥まで一旦押し込んだ状態で押力を解除すると、メモリカードMCのロックが解除されてメモリカードMCがカード挿入口2aから押し出されるようになっている。 The socket 1 comprises a conventional socket having no non-contact communication function has substantially the same configuration and function, by pushing and inserting the memory card MC through the card insertion port 2a in the card receiving portion 2b, and the cross-the memory card MC is held at a predetermined lock position, when releasing the pushing force at once pushed in all the way, the lock of the memory card MC is released the memory card MC is pushed out from the card insertion port 2a than then locked position It has become way. すなわちソケット1は所謂プッシュオン・プッシュオフ機能を有している。 That socket 1 has a so-called push-on push-off function.

図1及び図3は本実施形態の外観斜視図、図4は本実施形態の分解斜視図であり、このソケット1は、一側面(挿入方向手前側の前面)に細長い帯状のカード挿入口2aが開口した扁平な箱状のケース2と、ケース2の内部にカード挿入口2aに連通して設けられたカード収容部2b内でカード挿入口2a側と奥側との間で進退自在に配置されたスライダ5と、スライダ5をカード挿入口2a側に付勢するコイルスプリング6と、カード収容部2bの奥側に左右方向に並べて配列され、メモリカードMCの接続端子101にそれぞれ電気的に接続される複数本(9本)の接触端子7とを備えている。 1 and 3 is an external perspective view of the embodiment, FIG. 4 is an exploded perspective view of this embodiment, the socket 1 is a side elongated strip (the insertion direction front side front surface of) the card insertion port 2a There the case 2 of the opened flat box-shaped, movably arranged between the card insertion port 2a side and the rear side in the card insertion port communicating with the card accommodating portion 2b provided 2a inside of the case 2 a slider 5 which is a coil spring 6 for biasing the slider 5 in the card insertion slot 2a side are arranged side by side in the lateral direction to the back side of the card receiving portion 2b, and the cross-respectively electrically to the connection terminal 101 of the memory card MC and a contact terminal 7 of a plurality of (nine) connected.

ケース2は、絶縁性を有する合成樹脂成型品からなるベースシェル3と、導電材料又は磁性材料の何れかで、且つ、熱伝導性の良好な金属薄板(本実施形態では例えばステンレススチール)により形成されたカバーシェル4とを相互に結合して構成されている。 Case 2 is formed, the base shell 3 made of a synthetic resin molded article having an insulating property, in any conductive material or magnetic material, and (in this embodiment, for example, stainless steel) good sheet metal of the thermally conductive by and it is configured with a cover shell 4, which are bonded to each other.

ベースシェル3は、平板状であって前縁の中央部に切欠3bを設けることによって平面視の形状が略コ字形に形成された底板部3aと、底板部3aの後部から上側に向かって立設されカード収容部2bのカード挿入方向奥側端を閉塞する奥壁部3cと、底板部3aの左右両側部からそれぞれ上側に向かって立設されカード収容部2bの左右の壁をなす一対の側壁部3d,3eとを一体に備えており、各側壁部3d,3eの外側面には、後述するカバーシェル4の係止孔4dにそれぞれ係止する係止爪3fが複数個突設されている。 Base shell 3 includes a bottom plate portion 3a which is shaped in plan view is formed substantially U-shape by providing a cut-out 3b to the central portion of the front edge a flat, upright from the rear of the bottom plate portion 3a toward the upper side and set to the inner wall portion 3c for closing the card inserting direction back end of the card receiving portion 2b, and the cross-from left and right side portions of the bottom plate portion 3a of the pair forming the lateral walls of the erected card accommodating portion 2b toward the upper side, respectively side wall portion 3d, and a 3e together, the side walls 3d, on the outer surface of 3e, the locking claw 3f of each locking the locking hole 4d of the cover shell 4, which will be described later, is plural projected ing.

またカバーシェル4は、平板状であって前縁の中央部に切欠4bを設けることによって平面視の形状が略コ字形に形成された天板部4aを備え、天板部4aの幅方向両側辺からそれぞれ側方に延長形成された突出部分を略直角に折り曲げて複数の係止片4cを形成してあり、各係止片4cにはベースシェル3の係止爪3fが係止する係止孔4dをそれぞれ形成してある。 The cover shell 4 has a top plate portion 4a the shape in plan view is formed substantially U-shape by providing a notch 4b at the center portion of the front edge a flat, both sides in the width direction of the top plate portion 4a engaged by bending the protruding portion formed by extending each laterally from the side at a substantially right angle Yes forming a plurality of engaging pieces 4c, the engagement piece 4c locking claw 3f of the base shell 3 is locked stop hole 4d and are formed respectively. ここにおいて、天板部4aの切欠4bが設けられた部位の前縁は、カード収容部2b内にメモリカードMCを収容した状態で、メモリカードMCに内蔵されたロ字形の内蔵アンテナ100の後側の辺100aよりも前側に位置しており、内蔵アンテナ100の後側辺100aは天板部4aの一部(2次アンテナ部10a)によって覆われている。 Here, the leading edge of the portion notches 4b of the top plate portion 4a is provided, in a state of accommodating the memory card MC into the card receiving portion 2b, and the cross-after built-in antenna 100 b shaped built in the memory card MC of the side edges 100a is located in front, sides 100a after the built-in antenna 100 is covered by a portion of the top plate 4a (2 primary antenna portion 10a).

而してカバーシェル4は、左右両側部に設けた係止片4cの係止孔4dをベースシェル3に設けた係止爪3fと係止させることで、ベースシェル3の上側開口を覆うように取り付けられるのである(図1および図3参照)。 Cover shell 4 Thus, the engaging holes 4d of the locking piece 4c provided on the left and right side portions that engaged with the locking claws 3f provided on the base shell 3, so as to cover the upper opening of the base shell 3 of being attached is in (see FIGS. 1 and 3). そして、ベースシェル3とカバーシェル4とを結合して一体化することによりケース2が形成される。 The case 2 is formed by integrally combining the base shell 3 and the cover shell 4. この時、ベースシェル3において奥壁部3cと反対側の端部がカード収容部2bの入口(つまりカード挿入口2a)となり、メモリカードMCはカード挿入口2aを通してカード収容部2b内に挿入されるのである。 At this time, the inlet (i.e. the card insertion slot 2a) next to the base shell 3 and the inner wall portion 3c opposite end card accommodating portion 2b, the memory card MC is inserted through the card insertion port 2a into the card accommodating portion 2b it's that.

スライダ5は、カード収容部2bの内部に、カード挿入口2a側と奥側との間(つまり前後方向)に進退可能な状態で取着されている。 The slider 5, the interior of the card holding portion 2b, and is attached in a retractable state between (i.e. longitudinal direction) of the card insertion slot 2a side and the rear side. このスライダ5は、メモリカードMCの先端面104に当接する奥壁部5aと、傾斜カット部102に当接する角壁部5bと、メモリカードMCの左側部に当接する側壁部5cとを一体に備えて、平面視の形状が略L字状に形成されている。 The slider 5 includes a back wall portion 5a abuts against the distal end face 104 of the memory card MC, and a corner wall 5b in contact with the inclined cut portion 102, integrally and a side wall portion 5c abutting the left side of the memory card MC provided, the shape in plan view is formed in a substantially L shape. そして、カード挿入口2aを通してカード収容部2bにメモリカードMCが挿入されると、メモリカードMCの先端面104および傾斜カット部102が、それぞれ奥壁部5aおよび角壁部5bの内壁に衝合するとともに、その状態でメモリカードMCが図示しない係止機構によってスライダ5に係止され、保持されるようになっており、この保持状態でメモリカードMCはスライダ5とともにカード収容部2b内を前後方向に進退するのである。 Then, abuts against the card receiving portion 2b through the card insertion slot 2a when the memory card MC is inserted, distal end surface 104 and the inclined cut portion 102 of the memory card MC is, the inner wall of each inner wall portion 5a and the corner wall 5b as well as, the memory card MC is locked to the slider 5 by a locking mechanism (not shown) in this state, is adapted to be retained, the memory card MC is back and forth in the card accommodating portion 2b together with the slider 5 in this holding state it is to advance and retreat in the direction. なお、カバーシェル4の天板部4aの奥側部分には、スライダ5がメモリカードMCとともにカード収容部2b内の奥側に移動して、メモリカードMCの接続端子101に対応する接触端子7が弾接した際に、メモリカードMCと反対側に撓められた接触端子7がケース2(すなわち天板部4a)と干渉するのを避けるための逃がし孔9が各接触端子7に対応して複数個(本実施形態では8個)形成されている。 Note that the inner side portion of the top plate portion 4a of the cover shell 4, the slider 5 is moved to the rear side of the card accommodating portion 2b with the memory card MC, the contact terminals corresponding to the connection terminals 101 of the memory card MC 7 when but the elastic contact, exit hole 9 to avoid the contact terminals 7 which are deflected on the opposite side of the memory card MC from interfering with the case 2 (i.e. the top plate portion 4a) corresponds to the contact terminals 7 It is formed (eight in this embodiment) a plurality Te.

ここにおいて、カード収容部2b内におけるスライダ5の位置は、図示しないハートカム機構と、スライダ5をカード挿入口2a側に付勢するコイルスプリング6とを含む従来周知のプッシュオン・プッシュオフ機構によって制御される。 Here, the position of the slider 5 in the card receiving portion 2b, and the cross-controlled by well-known push-on and push-off mechanism including a heart cam mechanism (not shown), and a coil spring 6 for biasing the slider 5 in the card insertion slot 2a side It is. ハートカム機構は、一例としてスライダ5又はケース2(ベースシェル3)のうち何れか一方にガイド溝を設けるとともに、スライダ5又はケース2の他方にガイド溝内に案内される案内子を設けることによって構成される。 Heart cam mechanism is constituted by provided with either one into the guide groove of the slider 5 or the case 2 (the base shell 3) as an example, provided with a guiding element guided in the other guide groove of the slider 5 or case 2 It is. ハートカム機構を構成するガイド溝は、その所定区間をスライダ5の前後動に応じて案内子を一方向に案内する経路とし、その経路によって囲まれる部位に平面視ハート形のハートカムを設けてあり、ロック位置においてハートカムの凹部に案内子を係止させることで、スライダ5をロック位置に保持し前方への移動を規制するようになっている。 Guide grooves constituting the heart cam mechanism, the predetermined interval the guiding element and the route to guide in one direction in response to longitudinal movement of the slider 5, is provided with a planar view heart-shaped heart cam to the site surrounded by the route, by engaging the guide element into the recess of the heart cam in the locked position, it holds the slider 5 in the locked position is adapted to restrict the forward movement.

またコイルスプリング6は、本実施形態では引張ばねとして機能し、ベースシェル3の側壁部3dにおけるカード挿入口2a側の部位に設けた突起3gと、スライダ5の側壁部5cに設けた突起5dとの間に懸架され、スライダ5に対してカード収容部2bの入口側(つまりカード挿入口2a側)に付勢する付勢力を作用させている。 The coil spring 6 serves as a tension spring in the present embodiment, the protrusions 3g provided at the site of the card insertion slot 2a side in the side wall 3d of the base shell 3, a projection 5d formed in the side wall portion 5c of the slider 5 It is suspended between and by the action of the biasing force for urging the inlet side of the card accommodating portion 2b (i.e. card insertion slot 2a side) relative to the slider 5.

接触端子7は、それぞれ弾性および導電性を有する金属材料により短冊状に形成されて、ベースシェル3の奥壁部3cに固定されており、カード収容部2bの内部で、その奥側からカード挿入口1b側に向かって延出している。 Contact terminals 7 are formed in a strip shape by a metal material having elasticity and conductivity, respectively, it is fixed to the inner wall portion 3c of the base shell 3, inside the card receiving portion 2b, and the cross-card inserted from the rear side and it extends toward the mouth 1b side. 各接触端子7のカード挿入口2a側の端部7aは略く字形に折曲されており、カード収容部2b内に挿入されたメモリカードMCの接続端子101に弾接する。 End 7a of the card insertion opening 2a of the respective contact terminals 7 are bent into substantially V-shape, in contact with the connection terminal 101 elastically memory card MC inserted in the card accommodating portion 2b. 一方、各接触端子7の反対側の端部7bは、奥壁部3cの後面から突出し、その先端側はベースシェル3の下面と平行な方向に延出しており、この先端側が電子機器に設けられた回路基板等に半田付けされる端子となっている。 On the other hand, the opposite end 7b of the contact terminals 7 protrudes from the rear surface of the inner wall portion 3c, the front end side is extended in a direction parallel to the lower surface of the base shell 3, provided the distal end side to the electronic device and has a terminal to be soldered to the obtained circuit board or the like. なお、接触端子7は、ベースシェル3の奥壁部3cにインサート成形によって固定しても良いし、圧入などの方法で固定しても良い。 The contact terminals 7 may be fixed by insert molding the inner wall portion 3c of the base shell 3 may be fixed by a method such as press fitting.

ところで、メモリカードMCは内蔵アンテナ100および集積回路を内蔵し、外部のリーダライタ装置との間で非接触通信によりデータを授受する機能を備えているが、本実施形態のソケット1では、メモリカードMCの通信性能を向上させ、通信可能距離を延ばすために、メモリカードMCをカード収容部2b内に収容するケース2において、メモリカードMCの主平面(すなわち内蔵アンテナ100が近接して配置された側の主表面(上面))に対向する面であって、リーダライタ装置側の面(上面)を導電材料又は磁性材料の何れかで形成されたカバーシェル4で構成し、このカバーシェル4と一体に、メモリカードMCの主平面の法線方向において内蔵アンテナ100の後側辺100aと重なる2次アンテナ部10aを設けている。 Incidentally, the memory card MC has a built-in antenna 100 and an integrated circuit is provided with the ability to exchange data via contactless communication with an external reader-writer device, the socket 1 of the present embodiment, the memory card to improve the communication performance of the MC, in order to extend the communication distance, the case 2 that houses a memory card MC into the card accommodating portion 2b, a main plane of the memory card MC (i.e. internal antenna 100 is arranged close a surface opposite to the side main surface (upper surface)), constitutes the surface of the reader-writer apparatus (upper surface) with a cover shell 4 formed by either of the conductive material or a magnetic material, and the cover shell 4 integrally, is provided with a secondary antenna portion 10a which overlaps with the sides 100a after the built-in antenna 100 in the normal direction of the principal plane of the memory card MC.

したがって、ソケット1のカード収容部2b内にメモリカードMCが収容された状態では、カバーシェル4と一体に設けた2次アンテナ部10aが、メモリカードMCの内蔵アンテナ100の後側辺100aとメモリカードMCの主平面(上面)の法線方向において重なるので、メモリカードMCの主平面に対向する面で、リーダライタ装置側の面に磁界(磁束)が集まりやすくなり、リーダライタ装置の磁界(磁束)が引き込まれることによって、メモリカードMCの内蔵アンテナ100に対してブースターアンテナ(2次アンテナ)の役割を果たし、その結果メモリカードMCとリーダライタ装置との間の非接触通信の性能が向上し、通信距離を延ばすことができる。 Accordingly, in a state where the memory card MC is accommodated in the card accommodating portion 2b of the socket 1, secondary antenna portion 10a provided integrally with the cover shell 4, and the side edges 100a after the built-in antenna 100 of the memory card MC memory since overlap in the normal direction of the main plane of the card MC (top), in the surface facing the main plane of the memory card MC, easily gather magnetic field on the surface of the reader-writer apparatus (magnetic flux) is, the magnetic field of the reader-writer device ( by the magnetic flux) is retracted, serves booster antenna (secondary antenna) to the built-in antenna 100 of the memory card MC, a contactless improve performance of communications between the resulting memory card MC and the reader-writer device and, it is possible to extend the communication distance.

ところで、上記実施形態のソケット1では、メモリカードMCが内蔵する内蔵アンテナ100の1つの辺100aと上下方向(つまりメモリカードMCの主表面の法線方向)において重なり合う2次アンテナ部10aをカバーシェル4と一体に設けているが、内蔵アンテナ100の少なくとも一部と重なる部位に2次アンテナ部を設けることで、非接触通信の通信性能を向上させることができる。 Meanwhile, the socket 1 of the above embodiment, the cover secondary antenna portion 10a overlap in one side 100a and the vertical direction of the built-in antenna 100 to the memory card MC is built (i.e. normal direction of the main surface of the memory card MC) Shell 4 and are formed integrally, but by providing the secondary antenna portion in a portion that overlaps at least a portion of the built-in antenna 100, it is possible to improve the communication performance of the non-contact communication.

例えば図5および図6(a)に示すように内蔵アンテナ100の左右の辺100b,100cと上下方向において重なり合う2次アンテナ部10b,10cをカバーシェル4と一体に設けても良い。 For example the left and right sides 100b of the internal antenna 100 as shown in FIG. 5 and FIG. 6 (a), 100c and secondary antenna unit 10b overlapping in the vertical direction, 10c may be provided integrally with the cover shell 4. この場合は、天板部4aの切欠4bが設けられた部位の前縁は、カード収容部2b内にメモリカードMCを収容した状態で、メモリカードMCの内蔵アンテナ100の後側辺100aよりも後側に位置し、且つ、切欠4bが設けられた部位の左右の側縁は、内蔵アンテナ100の左右の辺100b,100cよりも内側に位置しており、内蔵アンテナ100の後側辺100aは露出する一方、左右両側辺100b,100cが2次アンテナ部10b,10cによって覆われているので、図1のソケット1に比べて、内蔵アンテナ100に対するブースタアンテナの役割がより大きくなり、メモリカードMCとリーダライタ装置との間の通信距離をさらに延ばすことができる。 In this case, the front edge of the portion notch 4b is provided in the top plate portion 4a is in a state of accommodating the memory card MC into the card receiving portion 2b, and the cross-than sides 100a after the built-in antenna 100 of the memory card MC located in the rear, and left and right side edges of the portion notch 4b is provided, left and right sides 100b of the internal antenna 100 is located inside the 100c, sides 100a after the built-in antenna 100 while exposed, left and right side edges 100b, 100c secondary antenna portion 10b, are covered by 10c, in comparison with the socket 1 of FIG. 1, the role of the booster antenna for the built-in antenna 100 becomes larger, the memory card MC communication distance between the reader-writer device can be further extended.

また、図6(c)に示すように内蔵アンテナ100の後側の辺100aと左右の辺100b,100cとにそれぞれ上下方向において重なり合う2次アンテナ部10a,10b,10cをカバーシェル4と一体に設けても良い。 Further, the side edges 100a and the left and right sides 100b after the built-in antenna 100 as shown in FIG. 6 (c), 2 primary antenna portion 10a overlapping in the respective vertically and 100c, 10b, 10c and integrally with the cover shell 4 it may be provided. この場合、天板部4aの切欠4bが設けられた部位の前縁は、カード収容部2b内にメモリカードMCを収容した状態で、メモリカードMCの内蔵アンテナ100の後側辺100aよりも前側に位置し、且つ、切欠4bが設けられた部位の左右の側縁は、内蔵アンテナ100の左右の辺100b,100cよりも内側に位置しており、内蔵アンテナ100の後側辺100aと左右両側辺100b,100cとがそれぞれ2次アンテナ部10a,10b,10cによって覆われているので、図1のソケット1に比べて、内蔵内蔵アンテナ100に対するブースタアンテナの役割がより大きくなり、メモリカードMCとリーダライタ装置との間の通信距離をさらに延ばすことができる。 In this case, the front edge of the portion notches 4b of the top plate portion 4a is provided, in a state of accommodating the memory card MC into the card receiving portion 2b, and the cross-front of the sides 100a after the built-in antenna 100 of the memory card MC located in, and left and right side edges of the portion notch 4b is provided, built left and right sides 100b of the antenna 100 is located inside the 100c, sides 100a and the left and right sides after the built-in antenna 100 sides 100b, 100c and each secondary antenna unit 10a, 10b, are covered by 10c, in comparison with the socket 1 of FIG. 1, it becomes larger role of the booster antenna for the internal built-in antenna 100, and the memory card MC communication distance between the reader-writer device can be further extended.

ここで、2次アンテナ部の効果を検証するために、内蔵アンテナ100と法線方向において重なる部位がないカバーシェル3を用い、2次アンテナ部をカバーシェル3と一体に形成する代わりに、2次アンテナ部の役割を果たす銅テープ20(幅が約6mm)がカバーシェル3'に貼着されていない場合と、カバーシェル3'においてメモリカードMCの主平面(内蔵内蔵アンテナ100が近接配置された側の主平面)に対向する面の所定位置に銅テープ20を貼り付けた場合とで、リーダライタ装置との間の通信距離を測定した結果を以下の表1、表2に示す。 Here, in order to verify the effect of the secondary antenna unit, with the cover shell 3 is no portion overlapping the built-in antenna 100 and the normal direction, instead of forming the secondary antenna portion integrally with the cover shell 3, 2 'and if it is not adhered to, the cover shell 3' serves copper tape 20 follows the antenna portion (a width of about 6mm) is the cover shell 3 the main plane of the memory card MC (built-in built-in antenna 100 is arranged near the and at a predetermined position of the surface facing the main plane) of the side in the case where pasted copper tape 20, Table 1 below the results of the measurement of the communication distance between the reader-writer device, shown in Table 2. なおこの場合は銅テープ20とカバーシェル3'との間に粘着層が介在するため、銅テープ20とカバーシェル3'とは電気的に絶縁されている。 It should be noted that in this case is 'because the adhesive layer is interposed between the copper tape 20 and the cover shell 3' copper tape 20 and the cover shell 3 and are electrically insulated. また表1,表2において上段のデータは、ケース2の上面のみが金属シェルで構成された本実施形態のソケット1(このようなソケット1をAタイプと言う。)のデータであり、下段のデータは、ケース2の上面および下面が金属シェルで構成されたソケット1(このようなソケット1をBタイプと言う。)のデータである。 The Table 1, the upper data in Table 2, a data socket of this embodiment only the upper surface of the case 2 is constituted by a metal shell 1 (such socket 1 say A type.), Lower data is data of the socket upper surface and lower surface of the case 2 is constituted by a metal shell 1 (say such socket 1 and B types.).

表1中のデータaは、カードシェル3'に銅テープを貼り付けていない場合のデータを示しており、この場合、Aタイプのソケット1では通信距離が66mm、Bタイプのソケット1では通信距離が62mmであった。 Data a in Table 1 shows the data when no paste copper tape to the card shell 3 ', in this case, the socket 1 in the communication distance A type 66 mm, B type in the socket 1 communication distance there was 62mm. 一方、表1のデータb〜eは、ロ字形の内蔵アンテナ100の1つの辺に重なる部位に銅テープ20を貼り付けた場合のデータであり、Aタイプのソケット1では通信距離が72〜74mm、Bタイプのソケット1では通信距離が67〜69mmとなっており、何れのタイプのソケットでも通信距離が延びている。 On the other hand, data b~e in Table 1 is the data when pasted copper tape 20 in a portion that overlaps the one side of the built-in antenna 100 of the B-shaped, a socket 1, a communication distance of A type 72~74mm , the communication distance in the B type of socket 1 has a 67~69Mm, communication distance in any type of socket extends.

また表2のデータf,gは、内蔵アンテナ100の2つの辺に重なる部位に銅テープ20を貼り付けた場合のデータであり、Aタイプのソケット1では通信距離が76mm、Bタイプのソケット1では通信距離が69〜70mmとなっており、何れのタイプのソケット1でも銅テープを貼り付けていない場合(データa)や1つの辺に重なる部位のみに銅テープ20を貼り付けた場合(データb〜e)に比べて通信距離が延びている。 The data f, g in Table 2, built a data when the pasted copper tape 20 in a portion that overlaps the two sides of the antenna 100, A type of socket 1, the communication distance is 76 mm, B type socket 1 in case the communication distance is pasted copper tape 20 only in a portion that overlaps when (data a) and one side that is not adhered has a 69~70Mm, any type of copper tape even socket 1 (data communication distance compared to b to e) extends.

また表2のデータh,iは、内蔵アンテナ100の3つの辺に重なる部位に銅テープ20を貼り付けた場合のデータであり、Aタイプのソケット1では通信距離が76〜77mm、Bタイプのソケット1では通信距離が71mmとなっており、何れのタイプのソケット1でも銅テープを貼り付けていない場合(データa)や、1つの辺又は2つの辺に重なる部位のみに銅テープ20を貼り付けた場合(データb〜g)に比べて通信距離が延びている。 The data h, i in Table 2 is the data when pasted copper tape 20 in a portion overlapping the three sides of the built-in antenna 100, the communication distance in the socket 1 A type 76~77Mm, type B communication distance in the socket 1 has a 71 mm, if not affixed to any type of copper tape even socket 1 and (data a), attaching the copper tape 20 only in a portion overlapping the one side or two sides communication distance as compared with the case of attaching (data b to g) extends.

また更に表2のデータjは、内蔵アンテナ100の4辺全てに重なる部位に銅テープ20を貼り付けた場合のデータであり、Aタイプのソケット1では通信距離が76mm、Bタイプのソケット1では通信距離が70mmとなっており、何れのタイプのソケット1でも銅テープを貼り付けていない場合(データa)や、1つの辺に重なる部位のみに銅テープ20を貼り付けた場合(データb〜g)に比べて通信距離が延びている。 Further data j in Table 2, built a data when pasted copper tape 20 in a portion that overlaps all four sides of the antenna 100, A type of socket 1, the communication distance is 76 mm, the B type of socket 1 If the communication distance has become a 70 mm, which if not adhered to any type of copper tape even socket 1 and (data a), it was attached copper tape 20 to only the portion overlapping the one side (data b~ communication distance compared to g) extends. なお2つの辺又は3つの辺に重なる部位に銅テープ20を貼り付けた場合と比較すると通信距離は同程度であった。 Note the communication distance with the site overlapping the two sides or three sides compared with the case where pasted copper tape 20 was comparable.

以上の測定結果より内蔵アンテナ100の少なくとも一部と重なる部位に2次アンテナ部10a…を設けることで、ソケット1の通信距離を延ばすことができ、また内蔵アンテナ100の2辺以上と重なる部位に2次アンテナ部10a…を設けることで、1辺のみに重なる部位に2次アンテナ部10a…を設けた場合に比べて、通信距離をさらに延ばすことができる。 By providing the secondary antenna unit 10a ... in a portion that overlaps at least a portion of the built-in antenna 100 from the above measurement results, it is possible to extend the communication distance of the socket 1, and the portion that overlaps the two sides or more built-in antenna 100 secondary antenna unit 10a ... by providing the, compared to the case where the secondary antenna unit 10a ... provided in a portion that overlaps only one side, it is possible to further extend the communication distance. なお本実施形態では2次アンテナ部10a…をカバーシェル3と一体に設けているので、部品点数を少なくして組立作業性が向上するという利点があるが、表1、表2で説明したように導電材料又は磁性材料の何れかによりカバーシェル3'と別体に形成された2次アンテナ部(表1、表2の例では銅テープ20)を、カバーシェル3'の所定位置に貼着などの方法で固定しても良く、2次アンテナ部10a…をカバーシェル3と一体に設けた場合と同様に絶縁距離を延ばすことができる。 Note In this embodiment, since there is provided a secondary antenna unit 10a ... integrally with the cover shell 3 has the advantage to reduce the number of parts to improve the assembling workability, Table 1, as described in Table 2 sticking the cover shell 3 by any of the conductive material or magnetic material 'secondary antenna unit which is formed separately from the (Table 1, copper tape 20 in the example of Table 2), cover shell 3' to a predetermined position of the may be fixed by a method such as, as in the case of providing the secondary antenna unit 10a ... integrally with the cover shell 3 can be extended insulation distance.

なお、本発明の精神と範囲に反することなしに、広範に異なる実施形態を構成することができることは明白なので、この発明は、特定の実施形態に制約されるものではない。 Incidentally, without departing from the spirit and scope of the present invention, since obvious that it is possible to construct a wide range in different embodiments, the invention is not to be restricted to the specific embodiments.

本実施形態のメモリカード用ソケットにメモリカードを装着した状態の外観斜視図である。 The memory card socket of this embodiment is an external perspective view of a state of mounting a memory card. 同上にメモリカードを装着した状態の平面図である。 It is a plan view of a state of mounting the memory card into ibid. 同上にメモリカードを装着する前の状態の外観斜視図である。 It is an external perspective view of a state before mounting the memory card in ibid. 同上の分解斜視図である。 It is an exploded perspective view of the same. 同上の他の形態を示し、メモリカードを装着した状態の外観斜視図である。 Showing another exemplary embodiment of the same, it is an external perspective view of a state of mounting a memory card. (a)(b)は同上にメモリカードを装着した状態の平面図である。 (A) (b) is a plan view of a state of mounting the memory card into ibid.

符号の説明 DESCRIPTION OF SYMBOLS

1 ソケット(メモリカード用ソケット) 1 socket (socket for a memory card)
2 ケース 2a カード挿入口 2b カード収容部 3 ベースシェル 4 カバーシェル(金属シェル) 2 Case 2a the card insertion opening 2b card receiving portion 3 base shell 4 cover shell (metal shell)
10a 2次アンテナ部 100 内蔵アンテナ MC メモリカード 10a 2 primary antenna unit 100 built-in antenna MC memory card

Claims (4)

  1. 主平面に沿う平面内でループ状に形成された内蔵アンテナが一方の主平面に近接して配置され、内蔵アンテナを介してリーダライタ装置との間で非接触通信によりデータを授受するメモリカードが挿抜自在に装着されるメモリカード用ソケットであって、 Internal antenna formed in a loop shape in a plane along the main plane is arranged close to one of the main planes, a memory card for exchanging data via contactless communication with the reader writer device via the internal antenna a removably to the memory card socket being mounted,
    メモリカードが挿入されるカード挿入口および当該カード挿入口を通してメモリカードの少なくとも一部を挿抜自在に受け入れるカード収容部を具備したケースを備え、当該ケースにおいてメモリカードの前記一方の主平面に対向する面で、且つ、リーダライタ装置側の面に、磁性材料又は導電材料の何れかで形成され、前記内蔵アンテナの少なくとも一部と重なる位置に配置される2次アンテナ部を設けたことを特徴とするメモリカード用ソケット。 It includes a case provided with the card accommodating portion for receiving at least a portion of a memory card removably inserted through the card insertion port and the card insertion slot memory card is inserted, opposite to the one main plane of the memory card in the case in terms, and, on the surface of the reader-writer apparatus, and characterized in that formed in one of a magnetic material or a conductive material, provided with a secondary antenna unit disposed on at least a portion overlaps the position of the built-in antenna for memory card socket.
  2. 前記内蔵アンテナは平面視の形状が略ロ字形に形成されており、前記2次アンテナ部が、前記内蔵アンテナの少なくとも1つの辺と重なる位置に配置されたことを特徴とする請求項1記載のメモリカード用ソケット。 The built-in antenna has a shape in plan view is formed in substantially square shape, said secondary antenna unit, according to claim 1, characterized in that it is arranged at a position overlapping the at least one side of the built-in antenna socket for a memory card.
  3. 前記2次アンテナ部が、前記内蔵アンテナの2辺以上と重なる位置に配置されたことを特徴とする請求項2記載のメモリカード用ソケット。 The secondary antenna unit according to claim 2 memory card socket, wherein the arranged in two or more sides and overlapping position of the built-in antenna.
  4. 前記ケースにおいてメモリカードの前記一方の主平面に対向する面で、且つ、リーダライタ装置側の面を、磁性材料又は導電材料の何れかで形成された金属シェルで構成し、前記2次アンテナ部を金属シェルと一体に設けたことを特徴とする請求項1乃至3の何れか1項に記載のメモリカード用ソケット。 In surface facing the one main plane of the memory card in the case, and, the face of the reader-writer apparatus, and a metal shell formed with either a magnetic material or a conductive material, the second antenna unit the memory card socket according to any one of claims 1 to 3, characterized in that formed integrally with the metal shell.
JP2006261493A 2006-09-26 2006-09-26 Memory card socket Pending JP2008083867A (en)

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