CN103870866A - Double-side subscriber identity module (SIM) card - Google Patents
Double-side subscriber identity module (SIM) card Download PDFInfo
- Publication number
- CN103870866A CN103870866A CN201210548238.9A CN201210548238A CN103870866A CN 103870866 A CN103870866 A CN 103870866A CN 201210548238 A CN201210548238 A CN 201210548238A CN 103870866 A CN103870866 A CN 103870866A
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- sim
- card
- sim card
- sided
- phone
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Abstract
The invention provides a double-side subscriber identity module (SIM) card. The front side and the back side of the card can be used to identify a subscriber, so that one-card-two-standby can be realized. When mobile communication develops to a certain extent, a great number of users hope to own or have owned a plurality of phone numbers. Especially for those businessmen who often go on business trips and need to switch the SIM card, the businessmen urgently hope a phone can hold a plurality of phone numbers. According to the requirement in market, the phone which supports two SIM cards emerges at the right moment. However, the users hope the phone can be smaller and smaller and convenient to carry. The double-side SIM card meets the requirement of the users and narrows the space of two cards to one SIM card.
Description
Technical field
The invention relates to the two-sided SIM card of one of communication apparatus, two-sidedly can use SIM card, realize the two functions for the treatment of of a card.
Background technology
What communication apparatus mobile phone in early days adopted is that a card one is treated, the mobile phone of double-card dual-standby appears in the development of science and technology.SIM cards of mobile phones has been passed through differentiation, SIM card do less and less but function from strength to strength, in order at utmost to save mobile phone space, SIM card of the present invention will develop into two-sided-SIM card.
Due to mobile phone microminiaturization, " kilocalorie " originally cannot adapt to development demand, so just produced the Mini-SIM of present use, " lesser calorie " being namely commonly called as, but standard consortium is in order to allow the compatible original kilocalorie design of this SIM card, therefore completely consistent with kilocalorie in the definition of metal feeler, even also keep the outward appearance of kilocalorie, therefore, if what people used is kilocalorie mobile phone, only otherwise Mini-SIM card is removed from plastic packaging, just go for early stage mobile phone, this compatible policy retains so far always, Here it is, and why Mini-SIM card always has the reason of a huge plastic packaging that is to say, strict meaning, if Mini-SIM card is lesser calorie, so two-sided-SIM card just should be called miniature reversible khaki.
Summary of the invention
The object of this invention is to provide that a kind of to adopt " two-sided-SIM " to arrive the two functions " two-sided-SIM " for the treatment of of a card the same with traditional SIM standard, straightaway " two-sided-SIM " card is exactly that the interior logical circuit of card under the metal contact piece that blocks of integrated two traditional SIM function " two-sided-SIM " that can realize meets traditional SIM card completely. and the present invention's " two-sided-SIM " advantage is, the present invention just can substitute two traditional SIM card with one " two-sided-SIM ", make traditional SIM weight reducing, make SIM card function do more powerful and more powerful.
Brief description of the drawings
Fig. 1 is the system diagram of the two-sided SIM card of the present invention.
Fig. 2 is the making flow process of the two-sided SIM card of the present invention.
Fig. 3 is the specification of the two-sided SIM card of the present invention.
Fig. 4 is the two-sided SIM card electrical principle of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.At this, exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, but not as a limitation of the invention.
The present embodiment provide a kind of two-sided SIM of employing can realize SIM card pros and cons can to use.
Fig. 1 is the system diagram of the present embodiment.Wherein CPU(mobile phone CPU (central processing unit)), SIM1, SM2 is that the present two-sided SIM of standard SIM is exactly the function of integrated SIM1 and SIM2.
As shown in Figure 2, described the making flow process of two-sided SIM, two-sided SIM card makes flow process and common SIM card making flow process is about the same, and it is not quite alike that unique difference is exactly two-sided SIM encapsulation, as the term suggests two-sided SIM is exactly two-sided integrated SIM chips.
Two-sided SIM card and common SIM card contrast as shown in Figure 3, look at that both have those differences, and " two-sided-SIM " meets the specification of common SIM completely
ISO7816
Specify flow process and the rule of data interaction between all Contact Type Ic Cards and card reader, specified electricity, the physical characteristics of IC-card
GSM11.11
Specify data interaction flow process and rule between SIM card and mobile phone, specified the file system of SIM card, specified electricity, the physical characteristics of SIM card
GSM11.14
Specify the interaction flow of SIM card STK function and mobile phone
Fig. 4 is that the electrical schematic diagram of this SIM card is the same with the principle of common SIM.
1, the power supply U-VCC of SIM card (the positive power supply of two-sided-SIM card), L-VCC (two-sided-SIM card reverse side power supply)
The power supply of SIM card has several, 5V, 3V, 1.8V, and former old card is 5V/3V, and present card is generally 3V/1.8V, so among the mu balanced circuit of mobile phone, we often can see the booster circuit of card.
2, the clock U-CLK (two-sided-SIM card front clock) of card, L-CLK (two-sided-SIM card reverse side clock)
The clock of SIM card is general adopts two kinds of clocks, a kind of be adopt 13M/4 and 3.25MHz as reference clock, one is to adopt 1.083MHz.
3, SIM-IO U-I/O (the positive data of two-sided-SIM card), L-I/O (two-sided-SIM card reverse side data)
The data of SIM card, it is the order wire that carries out the communication of SIM card inside with mobile phone.
4、SIM-RESET
U-RST (the positive reset signal of two-sided-SIM card), L-RST (two-sided-SIM card reverse side reset signal)
The power on reset signal of SIM card, in order to reset to SIM card internal processor.
5、SIM-VPP
The programming power supply of SIM card be generally all empty pin among mobile phone, be empty pin be connected with VSIM supply lines but also can be artificial be sky.
6、SIM-GND
The negative terminal of SIM card power supply.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a two-sided SIM card, is characterized in that, front and back integrated chip.
2. SIM card according to claim 1, is characterized in that, this SIM card size specification is the same with traditional SIM card.
3. SIM card according to claim 1, is characterized in that, this SIM card also comprises:
There is integrated chip on two-sided SIM card two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210548238.9A CN103870866A (en) | 2012-12-17 | 2012-12-17 | Double-side subscriber identity module (SIM) card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210548238.9A CN103870866A (en) | 2012-12-17 | 2012-12-17 | Double-side subscriber identity module (SIM) card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103870866A true CN103870866A (en) | 2014-06-18 |
Family
ID=50909379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210548238.9A Pending CN103870866A (en) | 2012-12-17 | 2012-12-17 | Double-side subscriber identity module (SIM) card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103870866A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105447551A (en) * | 2014-09-01 | 2016-03-30 | 展讯通信（上海）有限公司 | SIM card structure and mobile terminal |
| CN110399959A (en) * | 2019-04-29 | 2019-11-01 | 黄策 | The SIM card of two-sided pin package |
| WO2021203352A1 (en) * | 2020-04-09 | 2021-10-14 | 黄策 | Sim card with double-sided packaged pins |
-
2012
- 2012-12-17 CN CN201210548238.9A patent/CN103870866A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105447551A (en) * | 2014-09-01 | 2016-03-30 | 展讯通信（上海）有限公司 | SIM card structure and mobile terminal |
| CN110399959A (en) * | 2019-04-29 | 2019-11-01 | 黄策 | The SIM card of two-sided pin package |
| WO2021203352A1 (en) * | 2020-04-09 | 2021-10-14 | 黄策 | Sim card with double-sided packaged pins |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |