JPH05506734A - chip card reader - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Technical field The present invention relates to a chip card league, in which a chip card is inserted into a chip card league. Regarding the league. The chip card league is placed on the chip card at the reading position. and a contact element that engages the contact area.

The invention particularly relates to a chip card with contact elements adapted to be soldered. Regarding Dreeg.

Background technology In the known chip card league, a chip card is inserted into a reading position. When the contact element of the chip card league and the contact area of the chip card are A downward movement is made between the chip card and the chip card reader to engage the chip card and the chip card reader. It has become so. Such a chip card league is a machine that performs said downward movement. Requires appropriate means. The chip card league is a mechanical hand that provides downward movement. Slide without using such a downward movement so that the steps are no longer needed It may be sufficient to use contact elements that

The present invention operates without mechanical means to provide downward movement and the chip card Concerning a chip card league using a contact element that slides up.

This type of chip card league typically uses a tangential support and The read contact element ( A read contact (read contact) is provided for engaging a contact area on the chip card.

Furthermore, such chip card readers usually require a Uses a close or open end position switch to detect when the 　

A chip card that can be manufactured at low cost and has the ability to operate safely. To obtain a reader, the present invention uses an end position switch provided on the contact support. This end position switch indicates the chip card reading position. Functions in its working state and is located approximately at right angles to the direction of insertion of the chip card. There is. That is, the end position switch acts in the direction opposite to the direction of chip card insertion. It does not generate any force component.

Disclosure of invention According to a preferred embodiment of the invention, the end position switch has two identical contact springs. (switch contacts), these two identical contact springs act as opening means. (shown as switch contact with open end position) or as a closing means (shown as a switch contact with closed end position). will be placed. The contact force acts at right angles to the insertion direction of the chip card. acting at right angles The frictional force resulting from the force on the card located in the card groove of the chip card league Creates a holding force.

According to another aspect of the invention, the switch of the end position switch as well as the read contact The contact part is formed in the shape of a contact spring and is biased by a locking means. (biased) position within the contact support in a (biased) manner. Contact spring is soldered The solder can include a bottle or an SMT-solder element. spring bias The jaws provide the required contact force. Therefore, the read contact and the switch contact A very small amount of wear occurs on the tip formed by the Flatness of biased contacts Due to the spring characteristics, dimensional errors between the card and the groove have little effect on the contact force. not give. According to another preferred embodiment of the invention, the elastic (spring) arm It is provided within the card groove to act on the edge of the card. The elastic arm is , preferably injection molded with a contact support to provide dynamic loading.

The read contacts of the invention are supported by suitable resilient pawls or locking means. held or fixed within the body. The switch contact preferably has a length of this contact. In the direction of the manual extension, it is provided with a retaining web that prevents movement of the contact part. ing. Furthermore, when the read contact is inserted, the contact element (contact) Predetermined means are provided on the contact support to cause a deflection. Also, switch Predetermined means are provided on the contact support for biasing the contact. contact In order to attach the switch contact to the support, a suitable claw or Locking means cooperate with the winter melon or locking means of the switch contact.

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the chip card league according to the present invention will be described below with reference to FIGS. 1 to 4. I will clarify. According to the invention, the chip card reader 1 comprises a contact support 2, which The touch support 2 together with the cover 3 forms card guide means for the chip card 13 . The chip card 13 is inserted into the chip card reader 1 and reaches the reading position. It has become so. The contact support 2 and the cover 3 are connected by a brace fit. ing.

The contact elements of the chip card league have the desired structure and the mounting means 6 The condition is that it is used for fixing and mounting the chip card reader 1 on the wire board 4. In this case, the chip card reader 1 of the present invention can be installed directly on the wiring board 4. Wear. As shown in FIG. 1, the contact elements (or contact parts) of the contact support 2 are The soldering type has a pin 7, and the soldering type has a pin 7 that fits into each opening of the wiring board 4. It is. The chip card reader of the present invention is preferably used together with the wiring board 4. Although the chip card league is designed to be It can be used in any way without any problems.

The contact support part 2 has a top surface 10 (see FIG. 4) and a bottom surface 11 (see FIG. 2). mosquito When the bar 3 is provided adjacent to the top surface 1o, card guide means are formed. In both cases, an insertion groove 12 is formed in which the chip card 13 moves in an insertion direction 20.

A plurality of contact elements are arranged on the contact support part 2. In effect, the following connections A touch element is provided. That is, the card contact portion 17 and the end position switch Switch contacts 21 and 22 forming 18 are provided. Switch contact part 21 is called the front switch contact part, and has an arc forming a tip tongue part 25 at its free end. It is equipped with a system 23. The switch contact portion 22 may be referred to as the rear switch contact portion. It has an arm 24 forming a so-called rear tongue 26.

In particular, in FIG. 4 it is shown that error equalization means 28 are provided. , this error equalizing means 28 is arranged so as to provide a progressively increasing dynamic load to the support contact. It consists of an elastic arm 29 which is injection molded together with the elastic arm 29. Arm 29 is a chip car It is provided with a nose portion 30 that acts on the side edge of the door 13.

In FIG. 2, the card contact portions 17 are each located within a contact chamber 31; This contact chamber 31 is formed during the manufacture of the contact support 2, for example by injection molding. Formed by process. Returning to FIG. 5, the card contact portion 17 is connected to the contact chamber 31. It is shown in the state before being installed inside the device. The card contact portion 17 is not shown in the figure. Preferably, from the first flat part 33, the second flat part 34, and the first flat part 34, The protruding retaining tongue 35 and terminal portion 36 (as shown in FIG. 1) are (which may be provided in the shape of a bottle 7) and a contact tip 37 with a contact tip 38. It consists of a high contact spring.

The two flat parts 33 and 34 are formed at a slight angle along the bend line 39. There is.

As shown in FIG. From a contact spring with a flat part 41, an angled part 42, a surface part 43 and an inclined part 44 It has become. The inclined portion 44 forms a card engaging surface 47 at its bottom. 1st An angled portion 48 is provided between the flat portion 40 and the second flat portion 41. 2nd flat The portion 41 forms two oppositely located projections 50,50 and a terminal end 51. There is.

7, 8, and 14 to 17 show how to attach the reading contact section 17 according to the present invention. Refer to and explain. The read contact part 17 is inserted into the contact chamber 31 from the bottom surface 11 be done. At that time, preferably, the contact portion 17 is a pilot connecting the contact portion. or attached so that it is still connected to the stamp strip. Figure 14 And as shown in FIG. A extending recess 58 is provided. The recess 58 is particularly suitable for pawls or locking webs. 56, the locking web 56 extends into the chamber and extends into the chamber. are always located in opposite directions so as to form a gap within each chamber 31. There is. The lock web 56 is an integral member with the contact support part 2, and is manufactured from a resin material. has been done. The recess 58 corresponds to the direction in which the read contact 17 is indicated by the reference numeral 55. The locking web 56 provides an elastic deflection when pushed into the chamber in the direction Allow chewing. When the read contact is biased towards the contact support, the locking The web 56 moves elastically rearward and then returns to the original position shown in FIG. , the contact portion 17 is held in the manner shown in FIG. This is because the contact portion 17 is elastically engaged with the engagement surface 57 of the locking web 56, and Generally speaking, compared to FIG. reading by the action of the engagement surface 61 formed by the angle part 62 of the contact support. The contact portion 17 is meant to assume a linearly offset position. Furthermore, the terminal section 36 engages with the engagement surface 64 of the angle portion 62. The longitudinal direction of the contact element 17, i.e. 14 and 15 are located within each recess 66 of the contact support. Obstructed by retaining tongue 35.

As shown in FIG. It is provided so that it can be biased to the position where it is placed.

Next, referring to FIGS. 2 and 4 in addition to FIGS. 6 to 13, the end position switch 18 is Explain in detail. In particular, in FIGS. 9 and 10, two switch contacts 21 and 22 are inserted into the receiving grooves 77 and 78 from the top surface 10. ing. Each nose portion 80 and 81 is adapted to engage said receiving portion 21 and 22. Extending into grooves 77,78. The locking web 50 has an engaging surface in the locked state. 82. In particular, the rear switch contact portion 22 is flat, as shown in FIG. A cross section of the flat portion 40 is located on the engagement surface 83 of the contact support portion 2 . Switch contact part 22 and the switch contact portion 21 are connected to the two flat portions 41 as shown in FIG. and 42 to form a predetermined angle, that is, an angle somewhat smaller than 90°. has been done. Engagement surface 83 for switch contact formed by groove 78 and engagement Since the surface 82 is offset exactly by 90°, the contact portion 22 (also the contact portion 21) The desired bias force for inserting the contact parts 21 and 22 into the contact support part 2 can be obtained on occasion.

While the rear contact portion 22 is engaged with the engagement surface 82, the front contact portion 21 is somewhat It is located at a high position (see FIG. 10) and is biased forward with respect to the rear contact portion 22. and is biased toward the rear contact portion 22. Bias is the end position In the non-actuated position of the switch 18, the angle portion 42 of the front contact portion 21 is rearward. It is biased to engage the upper surface of the angular portion 42 of the contact portion 22 with its lower surface. figure 7. As shown in FIGS. 8 and 11 to 13, the front contact portion 21 When inserting the card into the chip card league, the angular part 42 contacts the lower and rear contact part 2. It is arranged so that it can be lifted from 2. This lift is behind card 13 This is caused by the upper edge 15. The edge 15 is the card of the front switch contact part 21. engagement surface 47 and, in particular, the initial area of first contact area 68 is readable. The moment it comes to the region of the tip 38 of the contact part 17, it becomes engaged. sequence of cards During this movement, a portion of the upper rear edge 15 and top surface 14 of the card 13 will be exposed to the flat portion 4. The edge 15 lifts the front contact part 21 until it is located below the lower surface 45 of 3. . This means that approximately the center of the contact area 68 reaches the tip 38 of the read contact 17. Occasionally occurs. This is because the front contact portion 21 is inserted in a direction perpendicular to the insertion direction 2o. 13 and place the card in the reading position shown in Figure 8. arise. Then, end position switch 18 as shown clearly in FIG. will open and display its status. In addition to the methods described above, if necessary , error equalization means 28 are provided, which also act as a brake. Mistake The difference equalizing means 28 is located at the side when the card 13 is inserted into the reading position according to FIG. Engages with edge 16. The nose portion 30 applies a predetermined force in a direction perpendicular to the insertion direction 20. Add on card 13.

In summary, the chip card reader 1 of the present invention reads a chip card in the following way. Used with 13.

First, the chip card is shown in FIG. 1 by its rear side 84 (see FIGS. 2 and 7). It is inserted into the insertion groove 2 like this. Above all, located on the bottom surface 19 of the chip card 13 The contact area 68 (see FIG. 7) is in contact with the contact tip 38 of the read contact 17. Ru. At the same time, the rear upper edge 15 formed on the rear side 84 of the card 13 is a card engaging surface. 47 and opens the end position switch 18. In Fig. 8, the distance 71 has passed. , so that the rear side 84 engages the abutment part 70 formed by the contact support part 2. The reading position is immediately reached. In the reading position, the contact tip 38 is located approximately at the center of the contact area 68, which contact area 68 is located at the starting end 73 and It consists of 74. Card 13 has biased read contacts or springs. The gourd card 13 is held in one reading position by the force of the gourd 17 and is pressed against the top surface 14 of the card 13. It is held in the other reading position by the front switch contact located in the front switch. Each holding force is incorrect. A simple explanation of the leveling drawing by the difference equalizing means 28 FIG. 1 is a front view of a chip card reader of the present invention provided on a wiring board.

FIG. 2 is a bottom view of the chip card reader of FIG. 1 with the cover removed.

3 is a side view of the chip card league of FIG. 1; FIG.

4 is a plan view of the chip card league of FIG. 1 with the cover removed; FIG.

FIG. 5 is a perspective view of the read contact when it is not inserted into the contact support. Ru.

Figure 6 shows the end position switch when it is not inserted into the contact support. FIG. 3 is a perspective view of a contact portion.

Figure 7 shows the chip card along line A-B in Figure 4 before reaching the reading position. FIG.

Figure 8 is a cross-section showing the same cross-section as Figure 7, showing the state in which the chip card has reached the reading position. It is a front view.

FIG. 9 is a sectional view taken along line EF in FIG. 4 showing the switch contact portion.

FIG. 10 is a cross-sectional view along line E-H in FIG. 4 showing the two switch contacts. Ru.

Figures 11.12 and 13 are diagrams showing the structure of the switch contact part, and Figure 13 is Figure 11. 13 is a view seen from the direction X in FIG. 12. FIG.

FIG. 14 is a detail view of the bottom side of the contact support of FIG. 2;

FIG. 15 is a cross-sectional view taken along line 15-15 in FIG.

FIG. 16 is a cross-sectional view taken along point 16-16 in FIG. 14.

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Claims (1)

[Claims] 1. The contact in which the read contact and the switch contact forming the end position switch are located. a support part (2), when said read contact part is inserted into a chip card reader; both come to engage the contact area of the chip card located in the reading position. In chip card readers, the end position switch (18) is It is designed to operate in its operating position almost perpendicular to the card insertion direction. A component of force acting in the direction opposite to direction (20) is not generated. A chip card reader featuring: 2. A read contact and/or a switch contact (1) located in the contact support (2) 7, 21, 22) consists of contact springs, and the read contact part is the contact of the chip card. characterized by being biased such that engagement with the contact area (68) occurs with a minimal amount of movement; The chip card reader according to claim 1. 3. The switch contact parts (21, 22) are biased when in the installed state. 3. The chip card reader according to claim 2, further comprising: a chip card reader; 4. A cover (3) is provided, which cover (3) together with the contact support (2) is provided. A card guide means and an insertion groove (12) are formed in the plate, and a cover and a contact support part are formed in the plate. Any one of claims 1 to 3, characterized in that they are connected to each other by a snug fit. The chip card reader according to item 1. 5. Error equalizing means (28) are provided for engaging the side edges (16). The chip card reader according to any one of claims 1 to 4, characterized in that: 6. The end position switch (18) is arranged in the insertion direction (20) of the chip card. It is equipped with two similar parts (switch contacts 21, 22) and is mounted on the chip card. Only if the front contact area of the located contact area passes through the contact area for the rear contact area The current circuit connected to the switch contact is switched off to avoid short circuits inside the chip card. A chip card reader characterized by being turned on. 7. The end position switch extends from the upper side (10) of the contact support into the receiving groove (78, two contact springs (21, 22) inserted into the contact spring (79); Particularly, the ring is held in its installed position by locking means (80, 81). A chip card reader according to any one of claims 1 to 6, characterized in that the chip card reader has the following characteristics. 8. The contact springs (21, 22) of the end position switch are biased. The chip card library according to any one of claims 1 to 7, characterized in that: -da. 9. The switch contact (22) is at an angle of less than 90° when not in its insertion position state, and after the switch contact part is inserted into the contact support part (2), it is at about 90 degrees. The switch contact portion (22) is biased with respect to the engagement surface (83) at its central support portion. The chip card library according to any one of claims 1 to 8, characterized in that: -da. 10. The front switch contact (21) is located at right angles to the direction in which the card is inserted. Claim 1 characterized in that the switch is biased towards the switch contact part (22). The chip card reader according to any one of items 1 to 9. 11. Switch contacts (21, 22) function for locking or engaging operations Any one of claims 1 to 10, characterized in that it comprises a protrusion (50). Chip card reader described in. 12. The front switch contact part (21) engages with the upper rear edge (15) of the chip card. with a mating angled card engagement surface (47) and an end position switch (18). is thereby opened and the switch contact (21) is readable. Characterized by engaging the top surface of the card with a flat part when reaching the pick position A chip card reader according to any one of claims 1 to 11. 13. The switch contact part has a relatively long arm formed by a flat part (40). A flat part (42) and a slope part (44) are formed from this flat part (40). Any one of claims 1 to 12, characterized in that the angular portion (42) protrudes. Chip card reader as described in section. 14. The read contact (17) is designed as a contact spring and has a locking handle. The step locks and biases the read contact in its installed state. so that it is inserted into the contact chamber from the bottom side (11) of the contact support. The chip car according to any one of claims 1 to 13, characterized in that: Dorida. 15. The locking means is in the form of a claw-like web (56), and the claw-like web (56) is elastic so that the read contact can be inserted or installed. , the claw-like web holds the reading contact (17) in its reading position. According to any one of claims 1 to 14, the method returns to its original state as if chip card reader. 16. The recess (58) is designed to obtain the necessary elasticity for the claw-like web (56). The chip according to any one of claims 1 to 15, characterized in that the chip is card reader. 17. The end portion (36) of the reading contact portion (17) is formed with an angle, and its Adjacent to the angle portion, a retaining tongue (35) engages with each recess of the contact support (2). The read contact is formed in the direction along the longitudinal extension of the read contact. The method according to any one of claims 1 to 16, characterized in that the contact part is prevented from moving. The chip card reader according to any one of the items above. 18. The retainer is biased to a position between the engagement surfaces (60, 57 and 61). 18. The chip card reader according to any one of claims 1 to 17. 19. The read contacts (17) are angled to each other by an angle of less than 180°. It consists of a first flat part (33) and a second flat part (34), and the reading contact part is the contact chip. When inserted into the chamber (31), the two flat parts (33, 34) are approximately on a straight line 19. Any one of claims 1 to 18, characterized in that: Chip card reader as described in section. 20. The error equalizing means (28) is an arm extending in the card insertion direction (29). The nose section extends across the arm, and the arm and the contact support section (2). Any of claims 1 to 19, characterized in that both are formed as a single member. The chip card reader according to item 1 above.