Source: https://patents.google.com/patent/US6568960?oq=5708422
Timestamp: 2018-05-26 06:38:38
Document Index: 6726507

Matched Legal Cases: ['art 82', 'art 122', 'art 80', 'art 246', 'art 80', 'art 80', 'art 80']

US6568960B2 - Dual circuit card connector - Google Patents
Dual circuit card connector Download PDF
US6568960B2
US6568960B2 US09809690 US80969001A US6568960B2 US 6568960 B2 US6568960 B2 US 6568960B2 US 09809690 US09809690 US 09809690 US 80969001 A US80969001 A US 80969001A US 6568960 B2 US6568960 B2 US 6568960B2
US09809690
US20010010984A1 (en )
Herve′ Guy Bricaud
FIG. 1 is a rear and top isometric view of a body of an electrical connector constructed in accordance with one embodiment of the present invention.
FIG. 2 is an exploded rear isometric view of the electrical connector of FIG. 1, including the card holder unit with cards installed therein.
FIG. 3 is a rear and top isometric view of the electrical connector of FIG. 2, with the card-holding unit in its fully installed position.
FIG. 5 is a bottom view of the connector of FIG. 3.
FIG. 6 is a sectional view taken on line 6—6 of FIG. 4, but without the cards.
FIG. 7 is a sectional view similar to that of FIG. 6, but with the cards in place.
FIG. 7A is view similar to that of FIG. 7, but without the card-holding unit or cards.
FIG. 8 is a sectional view taken on line 8—8 of FIG. 4.
FIG. 9 is a top and front isometric view of the card-holding unit, shown without cards.
FIG. 10 is an isometric front view of the card-holding unit of FIG. 9, but shown in an upside-down orientation.
FIG. 11 is a view similar to that of FIG. 9, but showing an MMC card during its insertion into the upper compartment of the card-holding unit.
FIG. 12 is a view similar to the upside view of FIG. 10, but showing a MICROSIM card as it approaches the card-holding unit for insertion into the lower compartment therein.
FIG. 13 is a view similar to that of FIG. 9, but with a card in both the upper and lower compartments of the card-holding unit.
FIG. 14 is an isometric view of the unit of FIG. 13 with two cards fully installed therein, but showing the unit and cards in an upside-down configuration.
FIG. 15 is a front isometric view of the connector body of FIG. 1, in an upside-down position.
FIG. 16 is a rear and top isometric view of the connector body of FIG. 1.
FIG. 17 is a front elevation view of the connector body of FIG. 1, with the card-holder unit fully installed.
FIG. 18 is a rear isometric view of the body of FIG. 16, but with a card-holder unit fully installed therein, and with cards lying in compartments of the unit.
FIG. 19 is a rear and top isometric view of the lower part of the connector body of FIG. 1.
FIG. 20 is a rear and upside-down view of the connector lower part of FIG. 19.
FIG. 21 is a rear and top isometric view of the upper part of the connector body of FIG. 1.
FIG. 22 is a front upside-down isometric view of the upper part of the connector body of FIG. 21.
FIG. 23 is a diagrammatic view which illustrates the front portions of the MMC and MICROSIM cards, showing the relative positions that they and their contact pads occupy in the card-holder unit.
FIG. 24 is a plan view of portion of a circuit board on which the contacts of the connector of FIG. 2 are mounted, including a diagram showing the positions of tracks that connect to the tails of the contacts.
FIG. 25 is a rear and top isometric view of a connector body of a second embodiment of the invention, wherein the card-engaging walls of the body both face upwardly.
FIG. 25A is a sectional view taken on line A—A of FIG. 25.
FIG. 25B is a sectional view taken on line B—B of FIG. 25.
FIG. 25C is a bottom view of a card-holding unit which is used with the connector body of FIG. 25.
FIG. 25D is a view taken on line D—D of FIG. 25C.
FIG. 26 is a view similar to that of FIG. 25, but showing only the lower part of the connector body but not the upper part.
FIG. 27 is an enlarged view of area D27 of FIG. 26.
FIG. 28 is an enlarged partial sectional view showing details of means for interlocking bottom and top parts of the connector body.
FIG. 29 is an isometric view taken along the line F29 of FIG. 26.
FIG. 30 is a rear and top isometric view of the front part of the connector body of FIG. 25.
FIG. 31 is a sectional side view of the connector body of FIG. 25.
FIG. 32 is a front elevation view of the connector body of FIG. 25.
FIG. 33 is a front and top isometric view of the card-holder unit of FIG. 25C, with an MMC card partially installed in the unit.
FIG. 34 is a view similar to that of FIG. 33, with the MMC card fully installed in the unit.
FIG. 35 is a view similar to that of FIG. 25C, showing the MICROSIM lower card close to insertion in the lower compartment of the card-holder unit, and the MMC card fully installed.
FIG. 36 is a view similar to that of FIG. 35, but with both cards fully inserted into the corresponding compartments.
FIG. 37 is a sectional view of the connector body of FIG. 25, with the card-holding unit FIG. 25C fully installed therein and with cards in each of the compartments of the unit.
FIG. 38 is a front elevation view of the connector body of FIG. 25.
FIG. 39 is an enlarged top view of the front portion of the connector and card-holding unit of FIGS. 25 and 25C with the cards fully installed in the units and the unit fully installed in the connector body.
FIGS. 40 and 41 are respective front and rear diagrammatic sectional views of the connector of FIG. 39.
FIG. 42 is a partial diagrammatic view from below, showing the relative positions of the two cards and of their contact pads when mounted in the card-holding unit of FIG. 25C.
FIG. 43 is a diagram indicating the positions of tracks on a circuit board that connects to tails of the contacts of the connector of FIG. 24.
FIG. 44 is a rear and top isometric view of a connector body of a third embodiment of the invention.
FIG. 45 is a view of the connector body of FIG. 44 without the front contact block.
FIG. 46 is a front and top isometric view of the front contact block of FIG. 44.
FIG. 47 is a sectional side view of the connector body of FIG. 44.
FIG. 48 is a front isometric view of the connector body of FIG. 44.
FIG. 49 is a sectional view similar to that of FIG. 47, but with the card-holding unit shown with the cards fully installed in the unit and the unit fully installed on the connector body.
FIG. 50 is a view similar to the of FIG. 48, but with the front connector block in place.
FIG. 51 is a partial top and sectional diagrammatic view of the connector of FIG. 25, showing the positions of the contact pads of the two cards.
FIGS. 52 and 53 are two parts of a diagrammatic longitudinal and sectional view of the connector of FIG. 44.
FIG. 54 is a partial plan view showing the relative positions of the two cards and of their contact pads when fully installed as in FIG. 49.
FIG. 55 is a diagrammatic view showing the positions of traces on a circuit board for connecting to tails of the contacts of the connector of FIG. 44.
FIG. 56 is an isometric view of a card-holding unit of a connector of another embodiment of the invention, shown in an upside-down position.
FIG. 57 is an alternative connector body which is slightly modified from the connector body of the embodiment of FIG. 44, and which is used with the card-holding unit of FIG. 56.
FIG. 57A is a view taken on line A—A of FIG. 57, which illustrates the card-holding unit just prior to its full insertion in the connector body.
FIG. 57B is a view similar to FIG. 57A, which shows in the card-holding unit in its fully inserted position.
FIG. 58 is a rear and top isometric view of an alternative card-holding unit, where the unit and connector body are of especially low profile.
FIG. 59 is a rear and top isometric view of the connector body which receives the card-holding unit of FIG. 58.
FIG. 60 is a partial sectional view of the connector body of FIG. 59 with the card-holding unit of FIG. 58 fully installed therein.
FIG. 61 is a rear and top isometric view of a connector body of an alternative embodiment of the invention which is similar to that of FIG. 25, except that it includes a switch of the normally-open type for detecting the presence of a MICROSIM card.
FIG. 62 is an enlarged partial plan view of the switching blade of the switch of the connector body of FIG. 61.
FIG. 63 is a sectional view of the connector of FIG. 62, without the card-holding unit or cards in place.
FIG. 64 is a view similar to FIG. 63, but with a MICROSIM card fully installed in the card-holding unit and the unit installed on the connector body.
FIG. 65 is a front and top isometric view of a connector body similar to that of FIG. 61, but with a modified switch for detecting the presence of a MICROSIM card.
FIG. 66 is a plan view of a portion of the connector body of FIG. 65.
FIG. 67 is a sectional view of the connector body of FIG. 66, prior to insertion of the card.
FIG. 68 is a view similar to FIG. 67, but with the MICROSIM card fully inserted and the switch opened.
FIG. 69 is a front and bottom view of a card-holding unit of another embodiment of the invention, with means for detecting insertion of the MMC card when inserted into the upper compartment of the card-holding unit and with the unit inserted into the connector body of FIG. 65.
FIG. 70 is a partial sectional view taken on line 70—70 of FIG. 65.
FIG. 71 is a view similar to that of FIG. 70, but with the MMC card in place.
FIG. 72 is a bottom and front isometric view of a card-holder unit which is designed for pivotal mounting on a connector body.
FIG. 73 illustrates a connector body designed for a pivotal connecting to the card-holding unit of FIG. 2.
FIG. 74 is a front and bottom isometric view of a card-holding unit of another embodiment of the invention, for mounting a connector body.
FIG. 75 is a top and rear isometric view of a connector body that can be used with the card-holding unit of FIG. 74.
FIG. 76 is a sectional view taken on line 76—76 of FIG. 74.
FIG. 2 illustrates an electrical connector 50 which includes a connector body 52 and a card-holder unit 54. The card-holder unit 54 can hold two circuit cards, including an MMC card 56 and a MICROSIM card 58. The MMC card 56 has a set of contact pads 64 lying in a transverse, or laterally L extending row near the front edge 66 of the card. The MICROSIM card 58 lies below the MMC card, with the MICROSIM card having a set of contact pads 74 arranged in two laterally-extending rows. After the two cards have been installed on the unit 54, the unit is slid forwardly F onto the contact body 52.
FIG. 11 shows the shape of the MMC card 56, while FIG. 12 shows the shape of the MICROSIM card 58. Both cards are thin and flat, in that their width in a lateral or transverse direction L and length in a longitudinal direction M are both a plurality of times greater than their thickness in a vertical direction V. Each card has an integrated circuit embedded in it, with the integrated circuit and any other circuitry therein connected to the contact pads. The contact pads lie on an “active” face on the card, with the MMC card of FIG. 11 having its active face at 62, facing upwardly and the MICROSIM card of FIG. 12 having its active face at 72 facing downwardly D. Each card also has a cut corner polarizer, with the MMC card of FIG. 11 having a polarizer 68 and the MICROSIM card of FIG. 12 having a polarizer at 78. Each polarizer assures that the card is installed in the correct orientation on the card-holding unit.
FIG. 7 shows the card-holding unit 54 fully installed on the connector body 52, with the MMC card 56 and the MICROSIM card 58 each installed on the card-holding unit. It can be seen that the active face 62 of the MMC card 56 lies in a second plane 600, while the active face 72 of the MICROSIM card lies in a first plane 602 that is spaced below the second plane 600. The two planes are parallel. A partition wall 150 lies between the cards. The rear ends 67, 77 of the two cards abut walls at the rear of the unit 54 to position the cards in longitudinal direction. FIG. 7A shows the positions of the pad-engaging ends 100 of the first or lower set of contacts, that engage the pads of the MICROSIM card, and the positions of the pad-engaging ends 146 and 146′ that engage the pads on the MMC card.
FIG. 12 shows that the MICROSIM card 58 is inserted into the lower compartment 154 of the card-holding unit by inserting it into grooves lying under tabs 210, until the front edge 76 of the card snaps behind stop facets 198. The top wall of the compartment 154 and stop facets 198 are formed on the partition 150. FIG. 8 shows that opposite sides of the MICROSIM card are laterally positioned by side walls 186 and that opposite sides of the MMC card are laterally positioned by side walls 162. The lateral separation of sides 162 is greater than that of sides 186.
FIG. 12 also shows the tabs 202 that guide the card-holding unit 54 during its sliding movement into the connector body of FIG. 2. It is noted that the tabs 202 at laterally L opposite sides of the unit can fit into interruptions 604, shown in FIG. 2, of the connector body. This allows the card-holder unit 54 to be placed on surfaces 88 of the connector body until the tabs 202 move down through the interruptions 604, when the unit can then be pushed forward to its final position. The tabs 202 lie in the plane of the MICROSIM card, and do not add to the height of the connector.
FIG. 7 shows that the front edges 66, 76 of the top and bottom cards are preferably located with one approximately directly under the other. However, the rear end 77 of the lower card lies forward of the rear end 67 of the upper card because the lower, MICROSIM card is of shorter longitudinal M length. By having the rear end 77 of the lower card lying forward of the rear end of the upper card, applicant minimizes the length of the connector body.
FIG. 13 shows that the partition wall has a pair of lugs 180 with facets 182 that abut the front edge 66 of the MMC card to position it. However, the unit does not abut the polarized corner 68 of the MMC card, with assurance of proper orientation being accomplished by part of the connector body.
FIG. 22 shows that, for the eight contacts that engage the pads on the MMC card, two of the contacts have their card-engaging ends 146′ located slightly rearward of the other contact ends to assure that they engage corresponding pads of the card prior to engagement of the other pads with the other contact ends 146. Applicant forms the front wall 122 of the upper part 82 of the connector body so it has a slightly rearwardly-offset part 122′ to receive the tails 148′ of the two contacts. This allows the same contacts to be used for all eight positions.
FIG. 25 illustrates the connector body 52A of an electrical connector of another embodiment of the invention. In FIG. 25, the face 114A where the upper contact ends 146, 146′ lie, face upwardly U, in the same direction as the face 98A for the contact ends 100 that engage contact pads of the lower card.
FIG. 25C shows the card-holding unit 54A which holds the two cards 56, 58. The unit 54A is similar to that of the first embodiment of the invention of FIGS. 1-24, except that the upper second, or MMC card 56, is held with its active face 62 facing downwardly, and with its front edge 66 lying forward of the edge 76 of the MICROSIM card 58.
FIG. 37 shows the entire connector 50A with the upper and lower cards 56, 58 fully installed on the unit 54A, and the unit fully installed on the connector body 52A. The front edge 66 of the upper (MMC) card 56 lies far forward of the front edge 77 of the lower (MICROSIM) card. This allows the upper card to engage the upwardly-facing face 114A and the contact ends that project slightly above it, while the lower card can engage the upper face 98A and the contact ends that project slightly above it. It is noted that when a card active face engages a connector body face, the faces lie very close, but may not actually touch one another since the contact ends push the faces apart.
FIG. 25 shows that there are right angle pieces 244 at opposite sides of the front part 80″A to hold down the front end of the upper card.
FIG. 44 shows another connector body 52B that is similar to that of FIG. 25, but with a front upper part 246 of the lower body part 80′B that presses down the front end of the upper card. The upper body part is shown in FIG. 46 at 80″B.
FIG. 57 shows another connector body with a lug 266 for holding the card-holding unit in its fully installed position. FIG. 56 shows the card-holding unit 54C with a finger 302 that can engage the lug. FIGS. 57A and 57B show the process of engagement.
FIG. 61 shows a connector body 80D with a switch 380 that detects the presence of the lower MICROSIM card in the connector body. The switch includes a blade 382 with a pair of beams B1 and B2 that lie over corresponding contact ends 100. FIG. 63 shows that the beams B1, B2 initially lie above and out of engagement with the corresponding contact ends 100. FIG. 64 shows that when the lower MICROSIM card 58 in installed, it depressed both beams B1, B2 to cause them to engage the two contact ends 100. Electrical connections between the two contact ends 100 enables a circuit to detect the presence of the MICROSIM card. It is possible to have the switch blade 382 permanently engage one of the contacts and have only one of the beams B1 or B2 be downwardly deflected against one of the contact ends by the presence of the lower card.
FIG. 65 illustrates the connector body 52D with another switch 350 that includes a contact blade with a pair of beams for the detecting the presence of the lower card. As shown in FIG. 67, the pad-engaging ends 100 of the two contacts initially engage both of the beams or parts B1′, B2′. However, as shown in FIG. 68, when the lower card 58 is installed, it deflects both contact ends 100 out of engagement with the beams.
FIG. 70 illustrates a switch blade 482 that enables detection of an upper card in the card holding unit 54D. When no card is present in the upper chamber, then the switch blade 482 lies at a high level and will not depressed the contact ends 400 when the card-holding unit 54D is installed. However, FIG. 71 shows that when the upper card 56 is present and the card-holding unit 25 is installed, the card 56 depresses the switch blade, causing it to engage both contact ends 400 and electrically connect them. FIG. 65 shows that the contact ends 400 lie at a side platform that is laterally spaced from the contact ends 100 that engage the lower card.
FIG. 72 shows a card-holding unit 54E that can be pivotally connected to the connector body at holes 506. FIG. 73 shows that the connector body 80E has lugs or trunnions 504 that pivotally engage the card-holder unit. Catches 514 (FIG. 72) hold down the front end of the card-holder unit.
As may be seen in FIG. 2, the electrical connector 50 according to the invention essentially consists of a connector body 52 and of a card-holder charger 54 in the form of a slide-in unit which is intended to hold one or two cards having integrated circuits, especially a card 56 of the MMC type and a card 58 of the MICROSIM type.
In order to make it easier to insert the MMC card 56 into its compartment 152, the front longitudinal ends 170 of the internal faces 162 of the side walls 160 each have a chamfer 172.
FIG. 24 shows the printed-circuit board P with its upper face having conducting pads intended to be connected by soldering to the output connection leads 102, 148 and 148′, which are denoted by the references pc102, pc148 and pc148′.
FIG. 24 also shows the centres c64 and c74 of the conducting pads on the MMC card 56 and on the MICROSIM card 58.
FIG. 41 shows the MICROSIM card 58 and the MMC card 56 as well as part of the intermediate partition 150 of the card-holder slide-in unit, and it may be seen in this figure that it is the MICROSIM card 58 which has its longitudinally offset transverse edge 77, which here is its rear edge, further to the rear than the transverse edge 67 of the MMC card 56.
The dimensions given in millimeters in FIGS. 40 and 41 allow the dimensions of the various elements and their relative positioning to be understood.
Comparing FIGS. 33 and 34 with FIGS. 11 and 13 for example, it may be seen that the design of the upper cavity 152 of the card-holder slide-in unit 54A is generally similar in the first two embodiments, except for the means of longitudinal retention of the MMC card 56 in its housing, which means comprise here a single thickened region 180 which is formed along one of the lateral edges of the cavity 152 and which has a stop facet 182 oriented generally transversely rearwards, this facet here being inclined at 45° in order to engage with the lower part, with regard to FIG. 34, of the cut corner 68 and to form the means of polarizing the position of the MMC card in its housing (see FIG. 34).
FIGS. 25, 25C and 25D show a stop device for the longitudinal position of the card-holder slide-in unit 54A with respect to the rear part 80′A.
This lower part 80C has two lateral housings 306 in its lower face 86 in order to allow the two fingers 302 to pass, and the lower faces 308 of these housings have, near the front longitudinal ends of the arms 230, two lugs 266 of convex semicylindrical profile which extend vertically downwards.
The switch consisting of the contact ends 400 and of the switch blade 482 therefore forms a switch for detecting the presence of the card-holder slide-in unit 54D and at the same time the presence in the latter of the MMC card 56.
a body including an insulative frame and first and second sets of contacts mounted on said frame, with said contacts having pad-engaging contact-ends arranged in first and second contact-end patterns
said card-holder unit is constructed with said compartments being vertically spaced to hold said cards in vertically-spaced parallel planes, with at least a portion of a card in the second compartment lying directly over a card in the first compartment when said cards lie in horizontal planes in said compartments;
said card-holder unit is slideable in forward and rearward direction on said frame, with said cards being installable and removable from said card-holder unit after said card-holder unit is slid rearward, and said cards being positioned with their contact pads engaging said pad-engaging contact-ends of said contacts when said card-holder unit has been slid forward to a forward position.
said card-holder unit is completely removable from said frame by sliding said card-holder unit rearward off said frame in normal use.
3. An electrical connector for making electrical connections with pads on the active faces of first and second thin and flat circuit cards, comprising:
5. A method for making electrical connections with first and second circuit cards that have active faces with contact pads arranged in different patterns, comprising:
installing said unit into a body of a connector that has two sets of contacts lying in vertically spaced planes, including moving said unit relative to said body of said connector until pads of said first and second sets of pads respectively engage first and second of said sets of contacts.
said step of moving said unit includes sliding a majority of a length of said unit to a position between said upper and lower faces.
8. An electrical connector for making electrical connections with contact pads on the active faces of first and second thin and flat circuit cards where said first and second circuit cards respectively have first and second sets of contact pads arranged in first and second pad patterns on their active faces, comprising:
said card-holder unit has tabs that are slideable longitudinally forward along said grooves with said groove walls including top groove walls that hold down said tabs to hold down said card-holder, and with said card-holder having a partition lying between said first and second compartments and pressing down the card in said first compartment toward said pad-engaging contact ends.
9. An electrical connector for making electrical connections with contact pads on the active faces of first and second thin and flat circuit cards where said first and second circuit cards respectively have first and second sets of contact pads arranged in first and second pad patterns on their active faces, comprising:
a card-holder unit which is coupled to said body and which has first and second card-holding compartments for respectively holding said first and second card against said pad-engaging contact ends; said card-holder unit is constructed with said compartments being vertically spaced to hold said cards in vertically-spaced parallel planes, with at least a portion of a card in the second compartment lying directly over a card in the first compartment when said cards lie in horizontal planes in said compartments;
11. An electrical connector for making electrical connections with contact pads on the active faces of first and second thin and flat circuit cards that are each of generally parallelogram shape when viewing its active face, where said first and second circuit cards respectively have first and second sets of contact pads arranged in first and second pad patterns on their active faces, comprising:
13. An electrical connector for making electrical connections with pads on the active faces of first and second thin and flat circuit cards that each have laterally opposite card sides wherein the lateral spacing of the card sides of said first card are different from the lateral spacing of the card sides of said second card, comprising:
apparatus for locating said first and second cards respectively against said first and second faces of said frame with said pads on said faces of said cards each lying against the pad-engaging ends of a corresponding set of said contacts;
said apparatus for locating including a first pair of laterally spaced side walls for engaging laterally opposite sides of said first card, and a second pair of laterally spaced side walls for engaging laterally opposite sides of said second card, the lateral spacing of said second pair of side walls being different from the lateral spacing of said first pair of side walls, and the lateral spacing of each of said pairs of side walls being about the same as the lateral spacing of a corresponding one of said card sides to laterally position the corresponding card.
14. The connector described including 13 wherein;
said second face lies above said first face, said first face faces upward, and said second face faces downward.
US09809690 1998-09-22 2001-03-15 Dual circuit card connector Expired - Fee Related US6568960B2 (en)
FR9811790A FR2783622B1 (en) 1998-09-22 1998-09-22 electrical connector for simultaneous connection of two electronic memory cards
FRFR98/11790 1998-09-22
FR98/11790 1998-09-22
PCT/EP1999/006888 WO2000017806A1 (en) 1998-09-22 1999-09-17 Electrical connector for the simultaneous connection of two electronic-memory cards
PCT/EP1999/006888 Continuation-In-Part WO2000017806A1 (en) 1998-09-22 1999-09-17 Electrical connector for the simultaneous connection of two electronic-memory cards
US20010010984A1 true US20010010984A1 (en) 2001-08-02
US6568960B2 true US6568960B2 (en) 2003-05-27
ID=9530685
US09809690 Expired - Fee Related US6568960B2 (en) 1998-09-22 2001-03-15 Dual circuit card connector
US (1) US6568960B2 (en)
EP (1) EP1116159B1 (en)
JP (1) JP2002525818A (en)
CN (1) CN1140877C (en)
CA (1) CA2338840A1 (en)
DE (2) DE69904494D1 (en)
FR (1) FR2783622B1 (en)
WO (1) WO2000017806A1 (en)
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JP2002525818A (en) 2002-08-13 application
CN1140877C (en) 2004-03-03 grant
EP1116159A1 (en) 2001-07-18 application
EP1116159B1 (en) 2002-12-11 grant
FR2783622A1 (en) 2000-03-24 application
US20010010984A1 (en) 2001-08-02 application
CA2338840A1 (en) 2000-03-30 application
CN1318173A (en) 2001-10-17 application
WO2000017806A1 (en) 2000-03-30 application
FR2783622B1 (en) 2000-10-27 grant
DE69904494T2 (en) 2003-09-04 grant
DE69904494D1 (en) 2003-01-23 grant