JP2009104956A - Ic card connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To surely avoid wrong-side-up insertion of an IC card. <P>SOLUTION: In a connector, when attaching/detaching an XD card 50 to/from a card storage part, a pair of first groove parts 12GRa, 12GLa and a pair of second groove parts 12GRb, 12GRb for guiding the XD card 50 are inclined and extended from a part directly under an end of a cover member 10 toward the lower side of a projection 12Re, respectively, at the extreme ends of sidewall parts 12WR and 12WL of a base member 12 on the side of a card slot 40. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an IC card connector capable of selectively mounting one of two types of IC cards having different sizes.

  In the IC card connector, a common card slot through which each IC card is passed in order to selectively mount any one of a plurality of IC cards having different shapes into one electronic device. There has been proposed one having a composite card accommodating portion. For example, as disclosed in Patent Document 1, an IC card connector provided with such a composite type card housing portion is such that one card housing portion partially overlaps the other card housing portion in the vertical direction. There have been proposed ones that are provided with a composite-type card accommodating portion in a stacked state.

  Each card accommodating portion is individually provided with a contact terminal group corresponding to a contact pad of each IC card. In such a configuration, a contact terminal that is not used by the front end portion of the IC card in the case of an erroneous insertion operation by a user into a card housing portion different from the regular card housing portion of the predetermined IC card or the insertion operation. It is necessary to allow the IC card to be smoothly attached and detached while avoiding group damage.

  As a necessary countermeasure, for example, as shown in Patent Document 1, a card misinsertion prevention mechanism is provided. The card misinsertion prevention mechanism includes a card misinsertion prevention movable plate for restricting an operation of inserting a predetermined IC card into the wrong card accommodating portion in the vicinity of the common card slot.

  In addition, as shown in Patent Document 2, two types of IC cards such as an SD (secure digital) card and an xD-Picture Card (trademark) (hereinafter referred to as an XD card) are selected as IC card connectors. There are also proposals that can be mounted one by one.

JP 2007-179843 A JP 2007-242297 A

  In the card connector provided with the composite type card housing portion as described above, if one of the IC cards is erroneously inserted in the reverse direction, that is, one surface portion on which a plurality of contact pads of the IC card are formed. However, when the front end of the IC card is inserted into the lower part of the card misinsertion preventing movable plate through the card slot while facing the inner surface of the cover member that forms the upper outer portion of the card housing portion, Depending on the combination, a predetermined gap or more may be formed between the card slot and the reverse insertion may not be prevented only by the wrong card insertion prevention mechanism.

  In view of the above problems, the present invention is an IC card connector capable of selectively mounting one of two types of IC cards having different sizes, and can reliably avoid inserting the IC card into the reverse side. An object is to provide an IC card connector.

  In order to achieve the above object, an IC card connector according to the present invention has a common card slot into which a first IC card and a second IC card having different shapes can be selectively attached and detached, An IC card housing portion that has a plurality of contact terminal groups that electrically connect the electrode portions of the first IC card and the second IC card, respectively, and that houses the first IC card or the second IC card; A pair of grooves formed on the side wall forming the IC card housing portion and guiding the second IC card having a width larger than the width of the first IC card, and a cover member covering the IC card housing portion And the pair of grooves are located directly below the end of the cover member that forms the peripheral edge of the card slot so as to regulate the backside of the second IC card in cooperation with the cover member. Characterized in that it extends towards the bottom of the inclined IC card accommodating unit as away from the card slot.

  As is clear from the above description, according to the IC card connector of the present invention, the pair of groove portions for guiding the second IC card cooperate with the cover member for the reverse side of the second IC card. The IC card is inserted in the reverse direction because it extends toward the bottom of the IC card housing portion as it is inclined away from the card slot from the position directly below the end of the cover member that forms the peripheral edge of the card slot so as to regulate Can be avoided reliably.

  FIG. 2 shows an appearance of an example of an IC card connector according to the present invention.

  The IC card connector shown in FIG. 2 is disposed on a wiring board PB (see FIG. 3) in an electronic device such as a printer, a mobile phone, a PDA, or a digital camera. As will be described later, the IC card connector includes an SD (secure digital) card 52 as a first IC card and an xD-Picture Card (trademark) (hereinafter referred to as an XD card) as a second IC card. 50) Two types of IC cards can be selectively mounted one by one. The SD (secure digital) card 52 is not limited to the SD (secure digital) card 52. For example, an MMC (multi media card) card (trademark) may be used instead.

  The IC card connector is, for example, a wiring board for signal input / output or the like disposed in an electrode portion of each IC card that is detachably housed in a direction indicated by an arrow in the card housing portion and a predetermined electronic device. The PB connection terminal portion is electrically connected.

  As shown in FIGS. 11A and 11B, a plurality of contact pads corresponding to the arrangement of contact terminals, which will be described later, are provided at the tip of the SD card 52 whose one corner is chamfered. 52 cpi is formed on one surface portion. Step portions 52Sa and 52Sb are formed along the longitudinal direction on both sides of the one surface portion. The maximum thickness and lateral width of the SD card 52 are set to about 2.10 mm and 24.00 mm, respectively, and the thickness from the stepped portions 52Sa and 52Sb to the upper surface is set to about 1.40 mm. Moreover, the notch part mca and the notch part mcb are mutually formed in the both sides, respectively. A write protect button WB is movably provided in a notch mcb having a wider notch than the notch of the notch mca.

  The MMC card not shown has the same total length and width as the SD card 52 except for its thickness and the number of contact pads. The MMC card is slightly thinner than the SD card 52 and has a smaller number of contact pads.

  As shown in FIGS. 10A and 10B, the XD card 50 has a plurality of contact pads 50cpi on one surface portion corresponding to the arrangement of contact terminals described later, and one side portion thereof. Has a notch mcb. On both side portions of the one surface portion, step portions 50Sa and 50Sb are formed along the longitudinal direction. The maximum thickness of the XD card 50 is set to about 1.70 mm, and the thickness from the step portions 50Sa and 50Sb to the upper surface is set to about 0.85 mm.

  The maximum horizontal width of the XD card 50 is set to about 25.00 mm, that is, about 1 mm larger than the width of the SD card 52. The distance between the step portions 50Sa and 50Sb is set to about 23.00 mm. Therefore, the width value of the SD card 52 is an intermediate value between the maximum width of the XD card 50 and the distance between the step portions 50Sa and 50Sb. The total length of the XD card 50 is considerably shorter than the total length of the SD card 52.

  As shown in FIG. 2, the IC card connector cooperates with the base member 12 in which a plurality of contact terminals for electrical connection to the SD card 52 to be accommodated and the XD card 50 are arranged, and the base member 12. And a cover member 10 that forms a card accommodating portion.

  The cover member 10 having a portal cross-sectional shape is formed of a thin metal material. On one side surface of the cover member 10, a plurality of engaging holes are formed corresponding to the claw portions of the claw portions of the base member 12 to be described later. A plurality of engagement holes are formed on the other side surface of the cover member 10 so as to be opposed to each of the claw portions of the base member 12.

  Therefore, the cover member 10 is fixed to the base member 12 by engaging the respective engagement holes with the respective claw portions of the base member 12.

  As shown in FIG. 2, a pressing spring 10CL for movably supporting a cam lever in an ejection mechanism to be described later is provided in the vicinity of one side surface of the upper surface connecting both side surface portions of the cover member 10. The base end portion of the holding spring 10CL having elasticity is formed integrally with the cover member 10. Since the pressing spring 10CL is formed by punching by pressing, an opening is formed in the surrounding portion. A portion of the cover member 10 forming a part of the card slot is formed with a notch 10K facing an array of solder terminal portions of contact terminals 16ai described later. In addition, the notch part 10K is not restricted to such an example, It does not need to be formed in the cover member 10. FIG.

  The card accommodating portion in the base member 12 is integrally formed of, for example, a molded resin material. As shown in FIG. 5, the upper and lower portions and the contact terminal fixing portion side described later are on the opposite side. The end is open. Accordingly, when the entire base member 12 is covered by the cover member 10 described above, one common card slot 40 into which the SD card 52 and the XD card 50 are selectively inserted into one end of the card accommodating portion. (See FIG. 3) is formed. As shown in FIG. 8 (B), the card accommodating portion includes a first portion for accommodating the XD card 50 formed on the side close to the card slot 40, and an SD as shown in FIG. 7 (B). A composite card accommodating portion including a second portion for accommodating the card 52 is provided. The second part is formed so as to overlap with the upper part of the first part.

  As shown in FIG. 9B, the card slot 40 includes a pair of first groove portions 12GRa and 12GLa formed at the opening end portions of the side wall portions 12WR and 12WL and guiding both side portions of the XD card 50, and a first slot. A pair of second groove portions 12GRb and 12GLb that are formed below and continuous with the groove portions 12GRa and 12GLa and project inward from each other, and a pair of side walls that are formed directly downward from the lower ends of the second groove portions 12GRb and 12GLb. The lower end portion, the cover member 10 and the bottom portion of the base member 12 are surrounded and formed.

  The second groove portions 12GRb and 12GLb are formed with a pair of side wall end portions 12GRc and 12GLc that engage with the step portions 52a and 52b of the SD card 52 and guide the leading end portion of the SD card 52.

  As shown in FIG. 1, the first groove portion 12GLa is inclined from the extreme end of the opening end portion of the side wall portion 12WL toward the lower right obliquely with a predetermined gradient, and is formed at the bottom portion of the base member 12. It extends to the hem of 12Re. Further, as shown in FIG. 4, the first groove portion 12GRa is inclined in a diagonally lower left direction with a predetermined gradient from the extreme end portion of the opening end portion of the side wall portion 12WR, substantially parallel to the first groove portion 12GLa. The base member 12 extends to the bottom of the raised portion 12Re formed at the bottom.

  As shown in FIG. 1, the second groove portion 12GLb extends to the bottom of the raised portion 12Re so as to be substantially parallel to the lower side with respect to the first groove portion 12GLa. Further, as shown in FIG. 4, the second groove portion 12GRb extends to the bottom of the raised portion 12Re so as to be substantially parallel to the lower side with respect to the first groove portion 12GRa.

  The side wall end portions 12GRc and 12GLc intersect with the first groove portions 12GRa and 12GLa so as to form a common plane with a card receiving surface portion 24r of an eject member 24 described later, and are substantially the same as the inner surface of the cover member 10. They are formed in parallel.

  As shown in FIG. 5, the second portion of the card accommodating portion is provided with side walls 12WR and 12WL that form both sides thereof, contact terminals 18ai (i = 1 to 9), grounding contacts 18G, and the like. The contact terminal fixing wall portion 12WB is formed.

  As shown in FIG. 5, a plurality of claw portions 12Ra and 12Rb are formed on the outer surfaces of the side wall 12WR and the side wall 12WL, respectively.

  The contact terminal fixing wall portion 12WB of the base member 12 is provided with a plurality of contact terminals 18ai (i = 1 to 9). For example, the nine contact terminals 18ai are arranged substantially parallel to the side walls 12WR and 12WL at a predetermined mutual interval.

  The contact terminal 18ai is elastic and has a contact portion that is in contact with and electrically connected to the contact pad 52cpi (electrode portion) of the SD card 52, and a solder that is soldered and fixed to the electrode portion of the wiring board. The auxiliary terminal portion includes a fixed portion that connects the contact portion and the soldered terminal portion to each other and is fixed to the base member 12.

  The fixing portion of the contact terminal 18ai made of a thin metal plate material, for example, phosphor bronze for a spring, is inserted into a groove formed in the bottom portion connected to the contact terminal fixing wall portion 12WB through a through hole formed in the contact terminal fixing wall portion 12WB. The SD card 52 is fixed to the base member 12 by being press-fitted from the side opposite to the insertion direction.

  A detection contact unit 30 for detecting the above-mentioned write protect button is provided between the left guide wall 12BW and the side wall 12WL for guiding the SD card 52. Further, a ground contact 18G is provided adjacent to the contact terminal 18ai at one end.

  The first portion of the card accommodating portion is formed by side walls 12WR and 12WL that form both sides thereof, and a bottom portion that connects the side walls 12WR and 12WL. A plurality of contact terminals 16ai (i = 1 to 20) are provided between the lower end of the side wall 12WR and the lower end of the side wall 12WL. The contact terminals 16ai are arranged substantially parallel to the side walls 12WR and 12WL at a predetermined mutual interval. The contact terminal 16ai is arranged at a predetermined distance from the contact terminal 18ai and the guide wall 12BW.

  The contact terminal 16ai is elastic and has a contact portion that contacts and is electrically connected to the contact pad 50cpi (electrode portion) of the XD card 50, and solder that is soldered and fixed to the electrode portion of the wiring board. The auxiliary terminal portion includes a fixed portion that connects the contact portion and the soldered terminal portion to each other and is fixed to the base member 12.

  A fixing portion of the contact terminal 16ai made of a thin metal material, for example, phosphor bronze for a spring, is press-fitted into a groove formed in the bottom portion of the base member 12 from the insertion direction side of the XD card 50. It is fixed to. The soldered terminal portion of the contact terminal 16 ai protrudes from the end of the bottom portion toward the card slot 40.

  An eject that holds the SD card 52 or the XD card 50 in the first portion or the second portion of the card housing portion and selectively ejects the card housing portion outward from the inner portion of the side wall 12WR. A mechanism is provided.

  As shown in FIG. 5, the eject mechanism is supported so as to be movable relative to the base member 12 in accordance with the attaching / detaching operation of the SD card 52 or the XD card 50, and the SD card 52 or the XD card 50 is An eject member 24 that selectively holds, a coil spring 28 that is interposed between the inner peripheral portion of the base member 12 and the end portion of the eject member 24, and biases the eject member 24 in the ejecting direction of the SD card 52; And an eject member control unit common to each IC card for performing control to selectively hold or release the eject member 24 with respect to the base member 12 in accordance with the attaching / detaching operation of the SD card 52 or the XD card 50. ing.

  One end of the coil spring 28 is supported by the inner peripheral portion of the base member 12, and the other end of the coil spring 28 is connected to the eject member 24.

  The eject member 24 is formed of, for example, a resin material, and is supported on the base member 12 by the inner peripheral portion of the base member 12 so as to be slidable along the attaching / detaching direction of the SD card 52 or the like.

  Further, the eject member 24 has an L-shaped card receiving portion 20 that is engaged with the leading end portion of the inserted SD card 52. The card receiving part 20 is to support the slope part at the tip part of the SD card 52.

  A card receiving surface portion 24r that engages with a stepped portion 52Sa of the inserted SD card 52 is formed in an extending portion that is continuous with the card receiving portion 20 and extends toward the card slot 40 side. Further, as shown in FIG. 6, at the end portion of the ejecting member 24 closer to the card slot 40 than the card receiving surface portion 24r, the inclination angles of the first groove portion 12GRa and the second groove portion 12GRb are the same. The guide grooves 24GRa and 24GRb are formed to have a predetermined length at an inclined angle. At one end of the guide grooves 24GRa and 24GRb, as shown in FIG. 8 (B), an abutting portion with which the tip of the step portion 50Sa of the XD card 50 abuts is formed. The depth of the guide groove 24GRa is set larger than the depth of the guide groove 24GRb.

  Thereby, when the SD card 52 is inserted into the second portion of the card accommodating portion as shown in FIGS. 7A, 7B, and 7C, the tip of the SD card 52 is The eject member 24 is pushed while abutting against the card receiving portion 20 of the eject member 24, and the eject member 24 is moved by a predetermined distance. On the other hand, when the SD card SMC or the like is ejected from the second portion of the card housing portion, the eject member 24 is moved toward the card slot 40 by the urging force of the coil spring 28, and the SD card 52 is ejected. When the SD card 52 is forcibly pulled out, the SD card 52 is taken out.

  Further, when the XD card 50 is inserted into the first portion of the card accommodating portion as shown in FIGS. 8A, 8B, and 8C, the tip of the XD card 50 is ejected from the eject member 24. The ejecting member 24 is moved by a predetermined distance while being pressed against the abutting portions of the guide grooves 24GRa and 24GRb. On the other hand, when the XD card 50 is ejected from the first portion of the card accommodating portion, the eject member 24 is moved toward the card slot 40 by the biasing force of the coil spring 28, and the XD card 50 is ejected. The XD card 50 is taken out by being forcibly pulled out from the card.

  As shown in FIG. 5, the eject member control unit includes a substantially heart-shaped cam element (heart cam) 24C integrally formed on the upper surface portion of the eject member 24, and a plurality of step portions formed around the heart cam 24C. A lever guide groove 24G composed of a cam terminal 26 having one end connected to the hole of the contact terminal fixing wall 12WB and the other end slid along the lever guide groove 24G; The pressing spring 10CL (see FIG. 2) of the cover member 10 described above is included.

  The presser spring 10CL biases the cam lever 26 so that the bent end of the cam lever 26 is in sliding contact with the guide surface of the lever guide groove 24G.

  The heart cam 24 </ b> C formed of resin has a substantially V-shaped cam surface with which one end of the cam lever 26 is selectively engaged.

  The lever guide groove 24G, for example, branches from one side of the heart cam 24C linearly along the side wall 12WR and the other side of the heart cam 24C from the middle of the first guide groove. After extending obliquely toward the side wall 12WR, the second guide groove extending parallel to the first guide groove, one end of the first guide groove facing the cam surface, and the second guide groove A third guide groove is formed between the one end and the portion facing the cam surface.

  As a result, one end of the cam lever 26 is guided through the first guide groove, the third guide groove, and the second guide groove sequentially following the operation of the eject member 24.

In such a configuration, when the SD card 52 is mounted, as shown in FIG. 3, first, the leading end portion of the SD card 52 is guided to the pair of side wall end portions 12GRc and 12GLc forming the card slot 40, and FIG. As shown in (C), it is inserted substantially parallel to the cover member 10 and is inserted into the second part via the first part in the above-described card accommodating part.
At this time, since the width of the leading end portion of the SD card 52 is smaller than the distance between the pair of first groove portions 12GRa and 12GLa, the leading end portion of the SD card 52 may be engaged with the first groove portions 12GRa and 12GLa. Therefore, it is avoided that the SD card 52 is erroneously inserted into the first portion, so that there is no possibility of damaging the contact terminal 16ai.

  Next, the distal end portion of the inserted SD card 52 is held against the urging force of the coil spring 28 together with the eject member 24 while being held by the card receiving surface portion 24r and the card receiving portion 20 of the eject member 24. After that, when the pressing force is released, one end of the cam lever 26 is detached from the first guide groove and engaged with the cam surface of the third guide groove.

  At that time, as shown in FIG. 7B, the ejection member control unit puts the ejection member 24 into the holding state. As a result, the SD card 52 is held in the second portion of the card accommodation portion, and the contact pad 52 cpi of the SD card 52 and the contact portion of the contact terminal 18 ai are brought into contact and electrically connected.

  On the other hand, when the SD card 52 is removed, first, the loaded SD card 52 is pushed further slightly. At this time, when the eject member 24 is advanced, one end of the cam lever 26 is released from the cam surface and is released and moved to the second guide groove, so that it is retracted by the urging force of the coil spring 28. . Then, the end portion of the SD card 52 exposed to the outside is further pulled in the card ejection direction, whereby the SD card 52 is taken out.

  Furthermore, when the XD card 50 is mounted, as shown in FIG. 9B, first, the leading end of the XD card 50 passes through the card slot 40 through the first groove 12GRa, the second groove 12GRb, and the first groove. It is guided by 12GLa and the second groove portion 12GLb, and is inserted toward the first portion in the above-described card accommodating portion as shown in FIG. 8C.

  At that time, the step portions 50Sa and 50Sb of the XD card 50 are guided to the first groove portion 12GRa, the second groove portion 12GRb, the first groove portion 12GLa and the second groove portion 12GLb as shown in FIG. 8C. By doing so, the cover member 10 is inserted so as to be inclined with respect to the upper surface. Thereby, the end surface of the cover member 10 and the surface of the XD card 50 come close to each other.

  Next, when the XD card 50 is further inserted, the tip portions of the step portions 50Sa and 50Sb are guided to the guide grooves 24GRa and 24GRb of the eject member 24, the first groove portion 12GLa, and the second groove portion 12GLb. When the pressing force is released after being pressed against the urging force of the coil spring 28 while being in contact with the above-described abutting portion, one end of the cam lever 26 is detached from the first guide groove and 3 is engaged with the cam surface of the guide groove. At that time, the ejection member control unit puts the ejection member 24 into the holding state.

  As a result, the XD card 50 is held in an oblique state in the first portion of the card housing portion, and the contact pad 50cpi of the XD card 50 and the contact portion of the contact terminal 16ai are brought into contact with each other for electrical connection. Is done. At that time, since the XD card 50 and the end portion of the cover member 10 are close to each other, intrusion of dust or the like from the outside to the second portion of the card housing portion is suppressed.

  On the other hand, when the XD card 50 is removed, first, the loaded XD card 50 is slightly pushed further. At this time, when the eject member 24 is advanced, one end of the cam lever 26 is released from the cam surface and is released and moved to the second guide groove, so that it is retracted by the urging force of the coil spring 28. . Then, the XD card 50 is taken out by further pulling the end portion of the XD card 50 exposed to the outside in the card ejection direction.

  As shown in FIG. 9A, if the XD card 50 is inserted in the wrong direction, that is, one surface portion on which the plurality of contact pads 50 cpi of the XD card 50 are formed is the cover member 10. When the front end portion of the XD card 50 is to be inserted into the first portion in the above-described card accommodating portion through the card slot 40 while facing the inner surface, the front end portion of the XD card 50 is at the end of the cover member 10. Interference and the step portions 50Sa and 50Sb cannot be engaged with the first groove portion 12GRa, the second groove portion 12GRb, the first groove portion 12GLa, and the second groove portion 12GLb. Will be regulated.

  Also, if the SD card 52 is inserted in the wrong direction, that is, in a state where one surface portion on which the plurality of contact pads 52 cpi of the SD card 52 are formed faces the inner surface of the cover member 10. 52, the distance from the side wall end portions 12GRc, 12GLc to the end portion of the inner peripheral surface of the cover member 10 is the SD card. Since the thickness of the SD card 52 is smaller than the maximum thickness of the SD card 52, the leading edge of the SD card 52 interferes with the edge of the cover member 10, so that the so-called reverse insertion of the SD card 52 is restricted.

It is a fragmentary sectional view which shows the principal part of an example of the connector for IC cards which concerns on this invention. It is a top view which shows the external appearance of an example of the connector for IC cards which concerns on this invention. It is a front view in the example shown by FIG. FIG. 3 is a partial cross-sectional view in the example shown in FIG. 2. In the example shown by FIG. 2, it is a top view shown in the state which removed the cover member. It is a fragmentary sectional view shown along the VI-VI line in FIG. (A) is a top view which shows the state by which the SD card was mounted | worn in the example shown by FIG. 2, (B) is a top view which shows the state which removed the cover member in (A), (C) is a fragmentary sectional view shown along the 7C-7C line in (A). (A) is a top view which shows the state by which the XD card was mounted | worn in the example shown by FIG. 2, (B) is a top view which shows the state which removed the cover member in (A), (C) is a fragmentary sectional view shown along the 8C-8C line in (A). 3A is a front view showing a state in which an XD card is mounted in FIG. 3, and FIG. 3B is a front view showing a state in which the XD card is inserted in reverse in FIG. (A) is a plan view showing an XD card, and (B) is a front view of the XD card. (A) is a plan view showing an SD card, and (B) is a front view of the SD card.

Explanation of symbols

10 Cover member 12 Base member 12GRa, 12GLa First groove portion 12GRb, 12GLb Second groove portion 12Re Raised portion 16ai, 18ai Contact terminal 24 Eject member 24GRa, 24GRb
40 Card slot 50 XD card 52 SD card

Claims (3)

The first IC card and the second IC card having different shapes have a common card slot in which the first IC card and the second IC card can be selectively attached and detached, and the electrode portions of the first IC card and the second IC card are electrically connected respectively. A plurality of contact terminal groups connected to the IC card housing portion for housing the first IC card or the second IC card;
A pair of grooves for guiding a second IC card formed on a side wall portion forming the IC card housing portion and having a width larger than the width of the first IC card;
A cover member that covers the IC card housing portion,
The pair of grooves are formed from a position directly below the end of the cover member that forms the peripheral edge of the card slot so as to regulate the back of the second IC card in cooperation with the cover member. An IC card connector, wherein the IC card connector is inclined toward a distance from the card slot and extends toward the bottom of the IC card housing portion. An eject mechanism having an eject member that ejects at least one of the first IC card and the second IC card from the IC card housing;
2. The IC according to claim 1, wherein the eject member has a guide groove that is formed at an inclination angle corresponding to an inclination angle of the pair of groove portions and guides and holds the tip portion of the second IC card. Card connector.   2. The IC card connector according to claim 1, wherein a pair of side wall end portions for guiding the first IC card so as to pass through the card slot are formed adjacent to the pair of groove portions.

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