CN101969495A - Portable electronic device - Google Patents
Portable electronic device Download PDFInfo
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- CN101969495A CN101969495A CN2009103048868A CN200910304886A CN101969495A CN 101969495 A CN101969495 A CN 101969495A CN 2009103048868 A CN2009103048868 A CN 2009103048868A CN 200910304886 A CN200910304886 A CN 200910304886A CN 101969495 A CN101969495 A CN 101969495A
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Abstract
The invention provides a portable electronic device which comprises a signal receiving and transmitting unit, a storage module, a safe digital card and a logic control module. The signal receiving and transmitting unit is used for mutually receiving and transmitting signals with a reader of a public service system with the radio frequency identification function, and the safe digital card is used for sending feedback data to the logic control module, and the logic control module receives an operation signal transmitted by the signal receiving and transmitting unit, compares the feedback data with data in the storage module and controls whether to write an operation signal which is transmitted by the signal receiving and transmitting unit into the storage module or not according to a comparison result. The invention effectively ensures data information in the storage module.
Description
Technical field
The present invention relates to a kind of portable electron device, especially relate to a kind of portable electron device that is used for radio-frequency (RF) identification.
Background technology
Along with the develop rapidly of mobile communication technology, corresponding value-added service also is among the develop rapidly.For complying with the trend of market development, mobile communication operator develops value-added services such as mobile-payment system gradually.For example, portable terminal integrated RF recognition technology (Radio Frequency Identification such as mobile phone have appearred utilizing in the market, RFID) realize daily functions such as the gate inhibition controls, small amount payment, it mainly is to utilize RFID electronic label identification technology to come Information Monitoring, and then with object exchange information such as public service system realizing contactless two-way communication, and obtain the function of related data.
Yet, using RFID to realize in the process of electronic label identification, the Information Security of RFID is a comparatively significantly problem.For example, the payment storage card that is installed in the mobile phone is normally non-tangible, if mobile phone is lost, then is difficult to report the loss processing, causes consumer's the interior cash of payment storage card to can not get safety guarantee.
Summary of the invention
In view of this, be necessary to provide a kind of portable electron device that has radio frequency recognition function and can protect its radio frequency identification data information.
A kind of portable electron device, it comprises that one is used for signal transmitting and receiving unit and a memory module, a safe digital card and the Logic control module with the mutual receiving and transmitting signal of reader of the public service system of tool radio frequency recognition function, described safe digital card is in order to send a feedback data to Logic control module, the operation signal that described Logic control module received signal Transmit-Receive Unit sends, data in more described feedback data and the memory module, and the operation signal that whether the signal transmitting and receiving unit is sent according to result's control of comparing writes memory module.
Compared to prior art, described portable electron device adds a Logic control module and a coding/decoding module on the universal RFID label, and by a safe digital card cooperate with described Logic control module the generation enable signal, control enable module with this operation signal write memory module.When the information of safe digital card and described information of memory module are inconsistent, Logic control module will be forbidden the write operation signal.Obviously, the present invention can effectively protect the data message in the memory module.
Description of drawings
Fig. 1 is the schematic perspective view of the portable electron device of better embodiment of the present invention.
Fig. 2 is the cutaway view of the battery cover of portable electron device shown in Figure 1 along the II-II direction.
Fig. 3 is the functional block diagram of the portable electron device of better embodiment of the present invention.
Embodiment
The present invention discloses a kind of portable electron device that is applied to tool radio frequency recognition function in the public service system and can protects its radio frequency identification data information, is that example is illustrated with a mobile phone in the present embodiment.
See also Fig. 1 to Fig. 3, described mobile phone 100 comprises a signal transmitting and receiving unit 10, a signal processing unit 20, a safe digital card (Secure Digital Memory Card, SD) 80 and one battery cover 120.Described battery cover 120 is a three-decker, and it comprises an electromagnetic protection layer 122, a wiring layer 124 and a main circuit layer 126.Described electromagnetic protection layer 122 is battery cover 120 one deck near the battery of mobile phone 100, and it is used to prevent the interference of battery to described signal receiving unit 10; Described main circuit layer 126 is battery cover 120 one deck away from the battery of mobile phone 100, and described signal transmitting and receiving unit 10 all is integrated in this layer with signal processing unit 20; Described wiring layer 124 is used for electrical traces, and it is between electromagnetic protection layer 122 and main circuit layer 126.One end of described mobile phone 100 is provided with a connector 140.Described connector 140 electrically connects with the main circuit board (figure does not show) of mobile phone 100.Thereby described signal processing unit 20 is by being electrically connected at main circuit board in wiring layer 124 electrical traces and connector 140.Described safe digital card 80 is contained in the described mobile phone 100, thereby and is electrically connected at the main circuit board of described mobile phone 100 and signal processing unit 20 electrically connects.
Described signal transmitting and receiving unit 10 is one to have the antenna inductance coil of signal transmitting and receiving function, when described mobile phone 100 during near the working region of the reader (figure does not show) of public service systems, described signal transmitting and receiving unit 10 will receive the signal that is sent by described reader, this signal comprises the operation signal that is used to judge the authentication signal of individual subscriber identity and is used to upgrade data message in the safe digital card 80, and the signal that synchronous signal Transmit-Receive Unit 10 sends reader is sent to described signal processing unit 20.
Described signal processing unit 20 is in order to receive and to handle the signal that described signal transmitting and receiving unit 10 sends in radio frequency identification process.Described signal processing unit 20 comprises a lawnmower module 30, a Logic control module 40, an enable module 50, a memory module 60 and a coding/decoding module 70.
Described lawnmower module 30 is electrically connected at described signal transmitting and receiving unit 10, and plays the effect of signal de/modulation.
Described Logic control module 40 all is electrical connected with described lawnmower module 30, enable module 50, memory module 60 and coding/decoding module 70.The demodulating information of the authentication signal that the preposition module 30 of described Logic control module 40 received RFs is sent.Described Logic control module 40 is sent to safe digital card 80 with the authentication signal after demodulation through coding/decoding module 70, and whether this safe digital card 80 of one group of identification signal authentication of the feedback by safe digital card 80 meets user's essential information.Have only when Logic control module 40 confirms that the identification signal of safe digital card 80 feedbacks meets user's essential information, described Logic control module 40 just sends one to memory module 60 and reads signal reading the data message in the described memory module 60, and this data message is sent to the reader of public service system and then obtains described operation signal by lawnmower module 30.Simultaneously described Logic control module 40 is sent to safe digital card 80 with the data messages in the memory module 60 by coding/decoding module 70, with obtain in the safe digital card 80 one group be used for memory module 60 in the feedback data that compares of data message.Whether the data message that described Logic control module 40 is used in the comparison memory module 60 is consistent with feedback data in the safe digital card 80, judges whether to produce an enable signal with this and controls described enable module 50 operation signal is write memory module 60.When the data message in the memory module 60 is consistent with feedback data in the safe digital card 80, described Logic control module 40 is sent to enable module 40 with operation signal, simultaneously an enable signal is sent to enable module 40 to confirm needing operation signal to write memory module 60.Otherwise described Logic control module 40 will can not produce enable signal, show further that by this information that stores in the described safe digital card 80 is wrong.
Described enable module 50 is electrically connected at described memory module 60 and receives enable signal and the operation signal that described Logic control module 40 sends.After enable module 50 is received described enable signal, described enable module 50 will be controlled described memory module 60 write operation signals, promptly upgrade the data message in the described memory module 60 this moment.Do not receive described enable signal when enable module 50, operation signal can not be written into memory module 60, and promptly the data message in the memory module 50 will can not be updated, thereby reach protection userspersonal information's purpose.
Described memory module 60 be used for receive that described Logic control module 40 sends read signal after, send canned data to described Logic control module 40, whether control the write operation signal by enable module 50 simultaneously.
Described coding/decoding module 70 is electrically connected between Logic control module 40 and the safe digital card 80.This coding/decoding module 70 can be used for signal is carried out encoding and decoding, and the information after will encoding is sent to described safe digital card 80, and decoded information is sent to described Logic control module 40.
Described safe digital card 80 can be memory devices such as existing Mini SD or Micro SD card, it can insert in the safety numeric code card slot (figure is mark not) of described mobile phone 100, and is electrically connected at described coding/decoding module 70 by the main circuit board of described mobile phone 100.Described safe digital card 80 can be stored the required various information (as subscriber identity information) of user, and stores synchronized has the data message of described memory module 60 stored.When safe digital card 80 is receiving behind authentication signal or operation signal behind coding/decoding module 70 codings, produce one group of feedback data respectively accordingly, this feedback data is back to described Logic control module 40 after decoding.
Described mobile phone 100 can be applicable in the public service system, as identification, information stores, small amount consumption and payment etc.Be that example is illustrated with a mobile phone 100 that applies to the public transport card-punching system in the present embodiment.
When getting on the bus, the user uses described mobile phone 100 to carry out public transport and swipes the card, in advance safe digital card 80 is inserted in the safety numeric code card slot of mobile phone 100, make the card reader of described mobile phone 100 again, and receive the signal that card reader sends by described signal transmitting and receiving unit 10 near the public transport card-punching system.Described signal transmitting and receiving unit 10 is sent to described lawnmower module 30 with the signal that receives, and is converted to a digital signal by described lawnmower module 30, and this digital signal is in order to inquire about the remaining sum in the described memory module 60.Described digital data transmission is to Logic control module 40, and Logic control module 40 is sent to described coding/decoding module 70 and described safe digital card 80 with radiofrequency signal.At this moment, described safe digital card 80 will send one group of feedback data accordingly and be sent to described Logic control module 40 after described coding/decoding module 70 decodings, whether described Logic control module 40 is effective to confirm described safe digital card 80 according to decoded feedback data, for example by will described safe digital card being sent to Logic control module 40 after 80 li stored personal information decodings in advance, and judge by Logic control module 40 whether safe digital card 80 is that the user owns.When confirming as the digital card of effective and safe 80, described Logic control module 40 will send one and read signal to described memory module 60, described memory module 60 is back to Logic control module 40 with balance amount information after receiving and reading signal, and this moment, Logic control module 40 had enough remaining sums with this remaining sum signal sends to the public transport card-punching system after 10 modulation of described signal transmitting and receiving unit card reader to confirm described mobile-phone payment card.Simultaneously, Logic control module 40 is sent to safe digital card 80 with the remaining sum signal through coding/decoding module 70 again, described safe digital card 80 will produce the feedback data of one group of corresponding balance amount information automatically and be sent to described Logic control module 40 after decoding, and promptly give described Logic control module 40 key of release this moment.This promptly finishes the read operation step.
When the card reader of public transport card-punching system is received the remaining sum signal and after efficiency confirmed, to send an Entrucking Point signal, after described Logic control module 40 is received the Entrucking Point signal, will confirm whether the feedback data of passing back from described coding/decoding module 70 is consistent with the balance amount information of described memory module 60.When confirming that through decoded feedback data with after the balance amount information of described memory module 60 is consistent, described Logic control module 40 will send described enable signal and Entrucking Point signal to described enable module 50.Described enable module 50 writes the Entrucking Point signal described memory module 60 after receiving enable signal.If inconsistent, then can not send enable signal to described enable module 50, and then the Entrucking Point signal can not write the described memory module 60 of people through the balance amount information of decoded feedback data and described memory module 60.Same, after described memory module 60 writes the Entrucking Point signal, to send described Entrucking Point signal to described Logic control module 40, Logic control module 40 is sent to described safe digital card 80 with the Entrucking Point signal after by coding, to keep the interior information of coding and memory module 60 in the safe digital card 80 consistent.This promptly finishes the write operation step.
When getting off, the user uses described mobile phone 100 to carry out public transport and swipes the card, the card reader of public transport this moment card-punching system will repeat the Entrucking Point signal that described read operation step reads described memory module 60 earlier, and deliver to the public transport CIS and carry out the relevant data processing.And the data of handling well the most at last repeat described write operation step and write described memory module 60, promptly finish the action of deducting money.At this moment, described memory module 60 is sent to data updated information in the safe digital card 80 through Logic control module 40 and coding/decoding module 70 once more.
The present invention adds a Logic control module 40, an enable module 50 and a coding/decoding module 70 on general RFID label, and by a safe digital card 80 cooperate with described Logic control module 40 generation enable signal, control whether operation signal is write memory module 60 with this.Be appreciated that when not inserting described safe digital card 80, will can not produce enable signal, thereby make operation signal can't write described memory module 60, guaranteed that promptly the data of memory module 60 storages of described mobile phone 100 can not be modified.Obviously, the user is as long as take out described safe digital card 80 when need not to use mobile phone card-brushing, even mobile phone 100 is lost, the data that are stored in memory module 60 can be not stolen yet.
In addition, those skilled in the art also can make various modifications, interpolation and the replacement on other forms and the details in claim of the present invention scope of disclosure and spirit.Certainly, these all should be included within the present invention's scope required for protection according to the variations such as various modifications, interpolation and replacement that spirit of the present invention is made.
Claims (9)
1. portable electron device, it comprises that one is used for a signal transmitting and receiving unit and the memory module with the mutual receiving and transmitting signal of reader of the public service system of tool radio frequency recognition function, it is characterized in that: described portable electron device also comprises a safe digital card and a Logic control module, described safe digital card is in order to send a feedback data to Logic control module, the operation signal that described Logic control module received signal Transmit-Receive Unit sends, data in more described feedback data and the memory module, and the operation signal that whether the signal transmitting and receiving unit is sent according to result's control of comparing writes memory module.
2. portable electron device as claimed in claim 1, it is characterized in that: described portable electron device also comprises an enable module, this enable module is electrically connected between described Logic control module and the memory module, when the data consistent in described feedback data and the memory module, described Logic control module sends an enable signal and to enable module and by enable module operation signal is write memory module; When the data in described feedback data and the memory module are inconsistent, described Logic control module will not send enable signal, to forbid that operation signal is write memory module.
3. portable electron device as claimed in claim 2, it is characterized in that: described portable electron device also comprises a coding/decoding module, described coding/decoding module is electrically connected between described Logic control module and the safe digital card, and the information after will encoding is sent to described safe digital card, and decoded information is sent to described Logic control module.
4. portable electron device as claimed in claim 1, it is characterized in that: described portable electron device also comprises a lawnmower module, and described lawnmower module is electrically connected between described signal transmitting and receiving unit and the Logic control module and is used for the de/modulation signal.
5. portable electron device as claimed in claim 3, it is characterized in that: described portable electron device is provided with a safety numeric code card slot, and described safe digital card is installed in the described safety numeric code card slot and the main circuit board by portable electron device is electrically connected at described coding/decoding module.
6. portable electron device as claimed in claim 1 is characterized in that: described signal transmitting and receiving unit is the antenna inductance coil of a tool transmission-receiving function.
7. portable electron device as claimed in claim 3, it is characterized in that: described portable electron device also comprises a battery cover, described battery cover comprises an electromagnetic protection layer, a wiring layer and a main circuit layer, and described electromagnetic protection layer is battery cover near one deck of the battery of portable electron device and is used to prevent the interference of battery to described signal receiving unit; Described main circuit layer is battery cover one deck away from battery, and described signal transmitting and receiving unit, Logic control module, enable module, memory module and coding/decoding module all are integrated in the main circuit layer; Described wiring layer is used for electrical traces, and it is between electromagnetic protection layer and main circuit layer.
8. portable electron device as claimed in claim 7 is characterized in that: an end of described portable electron device offers a connector, and the main circuit board of described connector and portable electron device electrically connects.
9. portable electron device as claimed in claim 8 is characterized in that: described Logic control module, enable module, memory module and coding/decoding module all electrically connect by wiring layer and connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910304886.8A CN101969495B (en) | 2009-07-27 | 2009-07-27 | Portable electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910304886.8A CN101969495B (en) | 2009-07-27 | 2009-07-27 | Portable electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101969495A true CN101969495A (en) | 2011-02-09 |
| CN101969495B CN101969495B (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910304886.8A Expired - Fee Related CN101969495B (en) | 2009-07-27 | 2009-07-27 | Portable electronic device |
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| Country | Link |
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| CN (1) | CN101969495B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7837102B2 (en) * | 2006-06-15 | 2010-11-23 | Mstar Semiconductor, Inc. | Method and apparatus for computer login security using RFID technology |
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- 2009-07-27 CN CN200910304886.8A patent/CN101969495B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101969495B (en) | 2014-07-23 |
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Free format text: FORMER OWNER: FOXCNN TECHNOLOGY CO., LTD. Effective date: 20120202 |
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Effective date of registration: 20120202 Address after: 518109, Guangdong, Shenzhen, Guangdong province Shenzhen city Longhua Baoan District street Foxconn science and Technology Industrial Park, F3 District, A building, K1 District, building 15 Applicant after: Shenzhen Futaihong Precision Industry Co., Ltd. Address before: 518109 F3 building, Foxconn science and Technology Industrial Park, Longhua Town, Shenzhen, Guangdong, A, China Applicant before: Shenzhen Futaihong Precision Industry Co., Ltd. Co-applicant before: Foxconn Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20190727 |