CN101754441A - Device for enabling intelligent card to sleep and arousing intelligent card - Google Patents
Device for enabling intelligent card to sleep and arousing intelligent card Download PDFInfo
- Publication number
- CN101754441A CN101754441A CN200810178305A CN200810178305A CN101754441A CN 101754441 A CN101754441 A CN 101754441A CN 200810178305 A CN200810178305 A CN 200810178305A CN 200810178305 A CN200810178305 A CN 200810178305A CN 101754441 A CN101754441 A CN 101754441A
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- China
- Prior art keywords
- smart card
- application processor
- normal mode
- sleep pattern
- clock
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0287—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment
- H04W52/0293—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment having a sub-controller with a low clock frequency switching on and off a main controller with a high clock frequency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention aims to provide a device for enabling an intelligent card to sleep and arousing the intelligent card, wherein the intelligent card comprises a clock module and an application processor part. The clock module is used for generating clock signals used for a normal mode; and the application processor part is used for using the clock signals used for the normal mode as a work clock when working in the normal mode and using clock signals used for a sleeping mode as the work clock when working in the sleeping mode, wherein the clock signals used for the sleeping mode are from terminal equipment connected with the intelligent card. By utilizing the device, the power consumed by the intelligent card provided with an SIM kernel and the application processor part can be saved, and the application processor part included in the intelligent card can normally work.
Description
Technical field
The present invention relates to a kind of device that is used to make smart card sleep and arousing intelligent card.
Background technology
At present, when smart card was connected to portable terminal and is operated in normal mode, portable terminal was exported the clock signal with preset frequency to smart card, and smart card uses this to have the work clock of the clock signal of preset frequency as it, wherein, described preset frequency is 5MHz at least.
When portable terminal is in idle condition and continues the scheduled time, for example, 1860 clock cycle, in order to make smart card enter sleep pattern, portable terminal stops to export the clock signal that this has preset frequency to smart card, thus smart card no longer work, this has just saved the power that smart card consumes.Here, portable terminal stops to be known as the clock stop mode to the smart card clock signal so that smart card enters sleep pattern.
The clock stop mode can be applied to only have the smart card of SIM kernel and produce good energy-saving effect, because when smart card enters sleep pattern, smart card is not done anything, thereby does not need to use clock signal.
Yet, the clock stop mode can not be applied to have the smart card of SIM kernel and application processor part, because being included in application processor in the smart card partly is independent of portable terminal and moves application, even and smart card entered sleep pattern, being included in application processor part in the smart card also needs to use clock signal with lower frequency work clock as it.If the clock stop mode is applied to have the smart card of SIM kernel and application processor part, then be included in application processor part in this smart card with operation irregularity.
Thereby, a kind of be used to make smart card sleep with SIM kernel and application processor part and the appropriate mode of waking this smart card up need be provided.
Summary of the invention
Consider the above-mentioned defective of prior art, the object of the present invention is to provide a kind of device that is used to make smart card sleep and arousing intelligent card, utilize this device, can save the power that smart card consumed and the application processor part that is included in this smart card can operate as normal with SIM kernel and application processor part.
In order to realize purpose of the present invention, according to a kind of smart card of the present invention, comprising: clock module is used to produce the clock signal that is used for normal mode; And, the application processor part, be used for when described application processor partly is operated in normal mode, use the described clock signal of normal mode that is used for as work clock, and when described application processor partly is operated in sleep pattern, use is used for the clock signal of sleep pattern as work clock, and wherein, the described clock signal that is used for sleep pattern is from terminal equipment that described smart card connected.
Description of drawings
Other purpose of the present invention, characteristics and benefit will become more apparent by the detailed description below in conjunction with accompanying drawing, wherein:
Fig. 1 is the schematic diagram that illustrates according to the smart card of one embodiment of the invention.
Fig. 2 is the schematic diagram that illustrates according to the portable terminal of one embodiment of the invention.
Fig. 3 is the flow chart of process that is used to make smart card sleep and arousing intelligent card that illustrates according to one embodiment of the invention.
Embodiment
Below, will describe each embodiment of the present invention in conjunction with the accompanying drawings in detail.
Fig. 1 is the schematic diagram that illustrates according to the smart card of one embodiment of the invention.As shown in Figure 1, smart card 100 comprises SIM kernel 110, oscillator 120 and application processor part 130.
SIM kernel 110 is connected to the pin CLK of smart card 100 with application processor part 130.The pin CLK of smart card 100 is used to receive the clock signal that is used for normal mode of portable terminal 200 outputs that connected by smart card 100 or is used for the clock signal of sleep pattern, wherein, the clock frequency that is used for the clock signal of sleep pattern is lower than the clock frequency of the clock signal that is used for normal mode.SIM kernel 110 is used to use from the clock signal that is used for normal mode of the pin CLK of smart card 100 or is used for the work clock of the clock signal of sleep pattern as SIM kernel 110.
Oscillator 120 is used to produce the clock signal that is used for normal mode and exports this clock signal that is used for normal mode to application processor part 130 as clock module.
Application processor part 130 is used for being in normal mode or when sleep pattern enters normal mode when application processor part 130, use is from the clock signal that is used for normal mode of oscillator 120 work clock as it, and when application processor part 130 when normal mode enters sleep pattern, use from the clock signal that is used for sleep pattern of the pin CLK of smart card 100 work clock as it.
Note that the pin Vcc of smart card, RST, DP, GND, RFU, I/O and DM describe in detail in the standard about smart card, so omit the description to these pins here.
Fig. 2 is the schematic diagram that illustrates according to the portable terminal of one embodiment of the invention.As shown in Figure 2, portable terminal 200 comprises clock module 220 and control module 240.
Wherein, clock module 220 is used to produce clock signal that is used for normal mode or the clock signal that is used for sleep pattern, and clock signal that is used for normal mode that will produce or the clock signal that is used for sleep pattern are exported to the smart card 100 that is connected to portable terminal 200, wherein, the clock frequency that is used for the clock signal of sleep pattern is lower than the clock frequency of the clock signal that is used for normal mode.
Control module 240 be used for when portable terminal 200 when normal mode enters sleep pattern, application processor part 130 to smart card 100 sends sleep signal, application processor part 130 with notice smart card 100 enters sleep pattern, and when portable terminal 200 when sleep pattern enters normal mode, application processor part 130 to smart card 100 sends wake-up signal, enters normal mode with the application processor part 130 of notifying smart card 100.
Fig. 3 is the flow chart of process that is used to make smart card sleep and arousing intelligent card that illustrates according to one embodiment of the invention.Wherein, after smart card 100 and portable terminal 200 were powered, smart card 100 and portable terminal 200 all were in normal mode.At this moment, the clock module 220 of portable terminal 200 produces the pin CLK that is used for the clock signal of normal mode and this clock signal that is used for normal mode is sent to smart card 100, the SIM kernel 110 of smart card 100 uses from the clock signal that is used for normal mode of the pin CLK of smart card 100 work clock as it, and the application processor part 130 of smart card 100 is used from the clock signal that is used for normal mode of the oscillator 120 of smart card 100 work clock as it.
As shown in Figure 3, when portable terminal 200 is in that idle condition has continued certain hour and when wanting to enter sleep pattern, the control module 240 of portable terminal 200 for example sends the sleep apply for information via the pin DM of smart card 100 to the application processor part 130 of smart card 100, whether agrees to enter sleep pattern (step S300) with the application processor part 130 of inquiry smart card 100.
Behind the sleep apply for information of receiving from portable terminal 200, the application processor part 130 of smart card 100 for example sends sleep inquiry response messages (step S310) via the pin DM of smart card 100 to portable terminal 200.Particularly, for example, if the application processor part 130 of smart card 100 is not in idle condition, then this sleep inquiry response messages is represented that the application processor part 130 of smart card 100 is disagreed with and is entered sleep pattern, if and the application processor part 130 of smart card 100 is in idle condition, then this sleep inquiry response messages represents that application processor part 130 agreements of smart card 100 enter sleep pattern.
When the control module 240 of portable terminal 200 receives the sleep inquiry response messages from smart card 100 after, if the sleep inquiry response messages of this reception is represented that the application processor part 130 of smart card 100 is disagreed with and entered sleep pattern, then flow process end.
If the sleep inquiry response messages of this reception is represented the application processor part 130 of smart card 100 and agrees to enter sleep pattern that then the clock module 220 of portable terminal 200 produces the pin CLK (step S320) that is used for the clock signal of sleep pattern and this clock signal that is used for sleep pattern is exported to smart card 100.
The control module 240 of portable terminal 200 sends sleep message via the pin DM of smart card 100 to the application processor part 130 of smart card 100, enters sleep pattern (step S330) with the application processor part 130 of notifying smart card 100.
Then, portable terminal 200 enters sleep pattern (step S335).
When receive sleep message from portable terminal 200 after, the application processor part 130 of smart card 100 is used the clock signal that is used for sleep pattern that receives from portable terminal 200 via the pin CLK of smart card 100 work clock as it, thereby the application processor part 130 of smart card 100 enters sleep pattern (step S340).
At this moment, the SIM kernel 110 of smart card 100 also use the clock signal that is used for sleep pattern that receives from portable terminal 200 via the pin CLK of smart card 100 as it work clock and enter sleep pattern (step S345).
During portable terminal 200 worked in sleep pattern, when wake events occurring in the portable terminal 200, for example, the user had pushed button or the button on the portable terminal 200, and portable terminal 200 enters normal mode (step S350) from sleep pattern.
The control module 240 of portable terminal 200 sends the event type (step S360) of this wake events to the application processor part 130 of smart card 100 via the pin DM of smart card 100.
The clock module 220 of portable terminal 200 produces the pin CLK (step S370) that is used for the clock signal of normal mode and this clock signal that is used for normal mode is sent to smart card 100.
After receiving the event type of wake events from portable terminal 200, the application processor part 130 of smart card 100 is used from the clock signal that is used for normal mode of the oscillator 120 of smart card 100 work clock as it, thereby enters normal mode (step S380).
At this moment, the SIM kernel 110 of smart card 100 also use the clock signal that is used for normal mode that receives from portable terminal 200 via the pin CLK of smart card 100 as it work clock and enter normal mode (step S390).
From top embodiment as can be seen, because when the application processor part 130 of smart card 100 is in normal mode or when sleep pattern enters normal mode, the application processor part 130 of smart card 100 is used for the work clock of the clock signal of normal mode as it, and when the application processor part 130 of smart card 100 when normal mode enters sleep pattern, the application processor part 130 of smart card 100 is used for the work clock of the clock signal of sleep pattern as it, so saved the power that smart card 100 is consumed, and the application processor part 130 of smart card 100 can operate as normal.
Though it will be appreciated by those skilled in the art that in the above-described embodiments, the example that portable terminal is used as terminal equipment illustrates the present invention, yet terminal equipment of the present invention is not limited to portable terminal.In other embodiments of the invention, terminal equipment of the present invention can make PDA (personal digital assistant), computer and game machine etc.
Those skilled in the art are to be understood that, though in the above-described embodiments, the event type of wake events is sent to the application processor part of smart card as the example of wakeup message, application processor with the notice smart card partly enters normal mode, yet wakeup message of the present invention is not limited to the event type of wake events.In other embodiments, wakeup message can be the application processor message that partly enters normal mode that is directly used in the notice smart card.
It will be appreciated by those skilled in the art that under the situation that does not depart from invention essence, can make various modifications and variations the above embodiment of the present invention.Therefore, protection scope of the present invention is defined by appending claims.
Claims (8)
1. smart card comprises:
Clock module is used to produce the clock signal that is used for normal mode; And
The application processor part, be used for when described application processor partly is operated in normal mode, use the described clock signal of normal mode that is used for as work clock, and when described application processor partly is operated in sleep pattern, use is used for the clock signal of sleep pattern as work clock, wherein, the described clock signal that is used for sleep pattern is from terminal equipment that described smart card connected.
2. smart card as claimed in claim 1, wherein
Described application processor partly is further used for partly being operated under the situation of normal mode at described application processor, when receiving from described terminal equipment when being used to notify the sleep message that described application processor partly enters sleep pattern, use the described clock signal of sleep pattern that is used for as described work clock.
3. smart card as claimed in claim 1, wherein
Described application processor partly is further used for partly being operated under the situation of sleep pattern at described application processor, when receiving the wakeup message that is used to notify described application processor partly to enter normal mode from described terminal equipment, use the described clock signal of normal mode that is used for as described work clock.
4. smart card as claimed in claim 3, wherein
Described wakeup message is an event type.
5. terminal equipment comprises:
Clock module is used for when described terminal equipment enters sleep pattern, sends the clock signal that is used for sleep pattern to the smart card that is connected with described terminal equipment; And
Control module is used for when described terminal equipment enters sleep pattern, partly sends sleep message to the application processor of described smart card, partly enters sleep pattern with the described application processor of notifying described smart card.
6. terminal equipment as claimed in claim 5, wherein
Described control module be further used for when described terminal equipment when sleep pattern enters normal mode, partly send wakeup message to the described application processor of described smart card, partly enter normal mode with the described application processor of notifying described smart card.
7. terminal equipment as claimed in claim 6, wherein
Described wakeup message is an event type.
8. terminal equipment as claimed in claim 6, wherein
Described clock module be further used for when described terminal equipment when sleep pattern enters normal mode, be used for the clock signal of normal mode to described smart card output.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810178305A CN101754441A (en) | 2008-11-28 | 2008-11-28 | Device for enabling intelligent card to sleep and arousing intelligent card |
| PCT/CN2009/075079 WO2010060367A1 (en) | 2008-11-28 | 2009-11-23 | An apparatus for sleeping and waking up smartcard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810178305A CN101754441A (en) | 2008-11-28 | 2008-11-28 | Device for enabling intelligent card to sleep and arousing intelligent card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101754441A true CN101754441A (en) | 2010-06-23 |
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ID=42225260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810178305A Pending CN101754441A (en) | 2008-11-28 | 2008-11-28 | Device for enabling intelligent card to sleep and arousing intelligent card |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101754441A (en) |
| WO (1) | WO2010060367A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2463808A1 (en) | 2010-12-10 | 2012-06-13 | Gemalto SA | Smartcard providing an improved standby mode |
| CN105759936A (en) * | 2016-02-02 | 2016-07-13 | 广东小天才科技有限公司 | Power-saving method and system for wearable electronic device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247164A (en) * | 1989-01-26 | 1993-09-21 | Hitachi Maxell, Ltd. | IC card and portable terminal |
| CA2290184A1 (en) * | 1999-11-22 | 2001-05-22 | David Perron | Improvements in authentication cards |
| CN101273369A (en) * | 2005-04-12 | 2008-09-24 | 晟碟以色列有限公司 | Smartcard power management |
-
2008
- 2008-11-28 CN CN200810178305A patent/CN101754441A/en active Pending
-
2009
- 2009-11-23 WO PCT/CN2009/075079 patent/WO2010060367A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2010060367A1 (en) | 2010-06-03 |
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Application publication date: 20100623 |
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