TWI438695B - Sim card, sim card connector and portable communication device with the same - Google Patents

Description

User identification card and its connector, and portable type having the connector Device

The present invention relates to a subscriber identity card and its connector, and a portable communication device having the connector.

When a user applies for a portable communication device door number, a user identification (Special Identity Module, SIM) card is obtained. The SIM card is provided with a micro-processing chip, which can store related identification data of the user on the communication network, and its function is to identify a legitimate user and serve as an important basis for call and billing.

However, a SIM card only represents the door number of a portable communication device. As the use of modern portable communication devices becomes more and more popular, the needs of users are getting higher and higher, and many people often need multiple door numbers to correspond differently. The group of calls, or choose a different attribution to save roaming charges. For the convenience of users, a dual SIM card mobile phone appears on the market, and the SIM card connector of the mobile phone has a folded double-layer structure, and the opposite sides thereof are respectively provided with connecting portions for connecting SIM cards, and each connecting portion is connected. A SIM card is provided with a micro processing chip on each SIM card. Thus, two independent SIM cards are disposed in the dual SIM card mobile phone. However, the use of a folded double layer structure allows the connector to have a greater thickness. Another SIM card connector includes two connector units that are independent of each other and arranged side by side, and each connector unit is correspondingly connected with a SIM card, and the connector occupies Large area. There is a lack of one of the above two types of SIM card connectors, so that when the two SIM cards are installed, the connector needs to occupy a large space, which limits the thin and light design of the mobile phone to some extent.

In view of the above, it is necessary to provide a user identification card that occupies a small space and its connector, and a portable tape communication device having the connector.

A user identification card includes a substrate and a plurality of wafers disposed on the substrate and a plurality of electrical connections. Each of the wafers is electrically connected to an electrical connection.

A user identification card connector for connecting the user identification card having a plurality of chips, comprising a base body, the base body comprising a receiving portion for accommodating a user identification card, the user identification card connector further comprising a plurality of terminals, wherein the user identification card connector further comprises a plurality of terminals Each terminal is electrically connected to one of the electrical connection portions of the user identification card.

A portable communication device includes a body and a main board disposed in the body, wherein the user body is further provided with the user identification card connector and a connection circuit electrically connecting the terminal of the user identification card connector to the main board .

Compared with the conventional multi-user identification card structure, the user identification card is provided with a plurality of chips on one substrate, which can reduce the space occupied by the user identification card, and is corresponding to the user identification with the plurality of wafers. The card connector can also reduce the volume, thereby improving the utilization of the internal space of the portable communication device, and is advantageous for the slim and light design of the portable communication device.

10‧‧‧User Identification Card

115‧‧‧Fixed Department

13‧‧‧second chip

15‧‧‧Second electrical connection

21‧‧‧ body

2112‧‧‧Receipt Department

215‧‧‧ side

227‧‧‧stop wall

23‧‧‧second terminal

251‧‧ ‧Flap

2521‧‧‧Connecting Department

30‧‧‧Mobile phones

32‧‧‧ motherboard

11‧‧‧Substrate

12‧‧‧ First chip

14‧‧‧First electrical connection

20‧‧‧User Identification Card Connector

211‧‧‧ upper surface

213‧‧‧ lower surface

22‧‧‧First terminal

228‧‧‧ openings

25‧‧‧Locking mechanism

252‧‧‧Flanking

265‧‧‧Connecting feet

31‧‧‧ body

35‧‧‧Connected circuit

141, 151, 221, 231‧‧‧VCC contacts

142, 152, 222, 232‧‧‧ RST contacts

143, 153, 223, 233‧‧‧ CLK contacts

144, 154, 224, 234‧‧‧ GND contacts

145, 155, 225, 235‧‧‧VPP contacts

146, 156, 226, 236‧‧‧ I/O contacts

1 is a perspective view of a mobile phone in accordance with a preferred embodiment of the present invention.

2 is a perspective view of a user identification card in accordance with a preferred embodiment of the present invention.

3 is a perspective view of a subscriber identity card connector in accordance with a preferred embodiment of the present invention.

4 is a perspective view showing another perspective of the subscriber identity card connector shown in FIG.

FIG. 5 is a circuit diagram showing electrical connection between the subscriber identification card shown in FIG. 2 and the connection circuit of the mobile phone shown in FIG. 1.

The user identification card and its connector of the present invention, and the portable communication device having the connector will be further described in detail below with reference to the accompanying drawings and embodiments. In this embodiment, a user identification card applied to a mobile phone and a connector thereof are taken as an example for description.

Referring to FIG. 1 and FIG. 2, the mobile phone 30 of the embodiment of the present invention includes a body 31 and a main board 32 disposed inside the body 31, a connecting circuit 35, a subscriber identification card 10, and a subscriber identity card connector 20.

The user identification card 10 includes a substrate 11 , a first wafer 12 disposed on the surface of the substrate 11 , a second wafer 13 , a first electrical connection portion 14 electrically connected to the first wafer 12 , and an electrical connection with the second wafer 13 . The second electrical connection portion 15.

The surface of the substrate 11 is provided with two fixing portions 115 for accommodating the first wafer 12 and the second wafer 13, respectively. The two fixing portions 115 are recesses that are spaced apart from each other. The substrate 11 is generally made of a hard and durable plastic, such as ABS (Acrylonitrile Butadiene Styrene, acrylonitrile butadiene styrene copolymer) or PVC (Polyvinylchlorid) to protect against physics and chemistry. The environmental changes such as temperature and the like have adverse effects on the substrate 11.

The first chip 12 and the second chip 13 are used for storing personal information, encryption keys and the like of the mobile phone user, and can be used for identifying the identity of the mobile phone user by the communication network (GSM network or CDMA network), and calling the mobile phone user. The voice information is encrypted.

The first electrical connection portion 14 includes a SIM card power supply (VCC) contact 141, a SIM card reset (Reset, RST) contact 142, a SIM card clock (Clock Signal, CLK) contact 143, and a SIM card ground ( Groud, GND) contact 144, SIM card VPP (programming voltage) contact 145 and SIM card I/O (data input/output) contact 146. The second electrical connection portion 15 includes a VCC contact 151, a RST contact 152, a CLK contact 153, a GND contact 154, a VPP contact 155, and an I/O contact 156. The contacts of the first electrical connection portion 14 and the second electrical connection portion 15 are respectively used for electrically connecting to the subscriber identity card connector 20.

The user setting card 10 of the embodiment of the present invention simultaneously sets the first wafer 12 and the second wafer 13 on a substrate 11, and has the functions of two existing user identification cards, and the distance between the first wafer 12 and the second wafer 13 It can be adjusted so that the two wafers can be integrated into a small space, and the substrate material can be saved, which is more advantageous for cost reduction in mass production. In addition, the first chip 12 and the second chip 13 of the user identification card may be set to be used in different communication networks or used in the same communication network but set to different numbers, thereby increasing the convenience of use and the convenience of carrying. .

Referring to FIG. 3 and FIG. 4, the subscriber identity card connector 20 of the embodiment of the present invention is configured to receive the subscriber identity card 10 and electrically connect the subscriber component card 10 to the connection circuit 35. The subscriber identity card connector 20 includes a body 21, a first terminal 22, a second terminal 23, and two locking mechanisms 25.

The seat body 21 has a substantially rectangular block shape and includes an upper surface 211, a lower surface 213 opposite to the upper surface 211, and a side surface 215 connecting the upper surface 211 and the lower surface 213. The upper surface 211 is formed with a receiving portion 2112 for accommodating the user identification card 10, and the receiving portion 2112 has a shape and a size substantially corresponding to the user identification card 10. In this embodiment, the receiving portion 2112 is formed in one of the grooves of the upper surface 211, and has an opening 228 at one end thereof so that In order to insert the subscriber identity card 10, the opposite end of the opening 228 is provided with a stop wall 227 for resisting the subscriber identity card 10. The seat body 21 can be injection molded from plastic.

The first terminal 22 is for corresponding to the first wafer 12 of the subscriber identity card 10, and the second terminal 23 is for corresponding to the second wafer 13 of the subscriber identity card 10. The first terminal 22 includes a VCC contact 221, a RST contact 222, a CLK contact 223, a GND contact 224, a VPP contact 225, and an I/O contact 226. The second terminal 23 includes a VCC contact 231, a RST contact 232, a CLK contact 233, a GND contact 234, a VPP contact 235, and an I/O contact 236.

In this embodiment, one end of each contact of the first terminal 22 and the second terminal 23 is provided with a resilient contact electrically connected to the user identification card 10, and the other end is provided with a flexible contact on the lower surface 213 of the base 21. Corresponding to 12 connecting legs 265 electrically connected. The elastic contact is an elastic piece that is curved and can be movably disposed on the bottom wall of the accommodating portion 2112.

FIG. 5 is a circuit diagram showing a preferred electrical connection between the subscriber identity card 10, the subscriber identity card connector 20 and the connection circuit 35. The first electrical connection portion 14 and the first terminal 22 and the second power are omitted in the figure. The connection between the contacts of the connecting portion 15 and the second terminal 23 corresponds to each other). The RST contacts 221, 231, CLK contacts 223, 233, GND contacts 224, 234, and I/O contacts 226, 236 can be coupled to each other in the respective contacts of the first terminal 22 and the second terminal 23. It is connected to the connection circuit 35, so that the number of the connection legs 265 can be reduced to eight, and it is advantageous to reduce the PCB board area occupied by the subscriber identity card connector 20.

The locking mechanism 25 includes a blocking piece 251, two side wings 252 extending perpendicularly from opposite sides of the blocking piece 251, and a connecting portion 2521 formed at an end of the side wing 252. The blocking piece 251 is elastically deformable and applies an elastic force to hold the user identification card 10 in the receiving portion 2112 of the base body 21, the two side wings 252 are for holding with the side surface 215 of the seat body 21, and the connecting portion 2521 is used for the mobile phone. The body 31 of the 30 is snapped.

Compared with the conventional connector for installing the two independent subscriber identification cards, the user identification card connector 20 for connecting the subscriber identity card 10 occupies less space, and the first terminal 22 and the second terminal 23 are partially cited. The feet can also be coupled together to further simplify circuit connections and reduce components to reduce the space occupied.

During assembly, the side flaps 252 of the two locking mechanisms 25 are engaged with the side surfaces 215 of the seat body 21, and the user identification card 10 is inserted from the opening 228 of the housing portion 2112 of the base body 21 until the end of the user identification card 10 is The stop wall 227 resists. Under the elastic pressing of the blocking piece 25 of the locking mechanism 25, the user identification card 10 presses the elastic contacts of the first terminal 22 and the second terminal 23 to make the first electrical connection portion 14 and the first terminal 22, The second electrical connection portion 15 is electrically connected to the second terminal 23 .

In use, the mobile phone user can select one of the first chip 12 and the second chip 13 of the user identification card 10 by using the control function table, and the selection signal is input to the connection circuit 35 through the circuit interface, and the connection circuit 35 is further selected according to the selection signal. The selected user identification card chip is controlled to communicate with the main board 32, thereby facilitating switching of numbers to correspond to different groups of calls, or selecting numbers of different attributions.

The connection circuit 35 includes a switch (not shown) for controlling switching between the first wafer 12 and the second wafer 13. It can be understood that the connection circuit 35 can also control the switching between the first wafer 12 and the second wafer 13 by a selection circuit. The chip select circuit can generate a select signal to select the first wafer 12 and the second wafer 13.

It can be understood that three or more numbers of user identification card chips can be disposed on the substrate 11 of the user identification card 10, thereby integrating the plurality of user identification card chips on one substrate, and correspondingly disposed on the user identification card connector. The corresponding terminals correspond one-to-one with each user identification card chip.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

10‧‧‧User Identification Card

115‧‧‧Fixed Department

13‧‧‧second chip

15‧‧‧Second electrical connection

142, 152‧‧‧ RST contacts

144, 154‧‧‧ GND contacts

146, 156‧‧‧I/O contacts

11‧‧‧Substrate

12‧‧‧ First chip

14‧‧‧First electrical connection

141, 151‧‧‧VCC contacts

143, 153‧‧‧ CLK contacts

145, 155‧‧‧VPP contacts

Claims (6)

A user identification card connector for connecting a user identification card, comprising a base body, the base body comprising a receiving portion for accommodating a user identification card, wherein the user identification card connector further comprises a plurality of terminals and at least a locking mechanism, each of the terminals is electrically connected to one of the electrical connection portions of the user identification card, the locking mechanism includes a blocking piece and two side wings extending perpendicularly from opposite sides of the blocking piece, the side wings The bracket is engaged with the side of the base body, and the blocking piece elastically presses the user identification card such that the terminals are electrically connected to the corresponding electrical connection portion. The user identification card connector of claim 1, wherein each terminal comprises a VCC contact, a RST contact, a CLK contact, a GND contact, a VPP contact, and an I/O contact, the plural The RST contact, the CLK contact, the GND contact, and the I/O contact of the terminal are coupled together. The user identification card connector of claim 1, wherein the receiving portion is a groove formed on a surface of the seat body, the groove has an opening at one end, and the opposite end of the opening is provided with a stop wall. A portable communication device comprising a body and a main board disposed in the body, wherein the user body is provided with a user identification card connector and selective electrical properties as claimed in any one of claims 1 to 3. A connection circuit connecting the subscriber identity card connector terminal to the motherboard. The portable communication device of claim 4, wherein the connection circuit comprises a switch for selectively electrically connecting the user identification card connector terminal to the main board. The portable communication device of claim 4, wherein the connection circuit comprises a selection circuit, wherein the chip selection circuit generates a selection signal for selectively electrically connecting the subscriber identification card connector terminal to the main board.