CN101969495B - Portable electronic device - Google Patents
Portable electronic device Download PDFInfo
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- CN101969495B CN101969495B CN200910304886.8A CN200910304886A CN101969495B CN 101969495 B CN101969495 B CN 101969495B CN 200910304886 A CN200910304886 A CN 200910304886A CN 101969495 B CN101969495 B CN 101969495B
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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 for radio-frequency (RF) identification.
Background technology
Along with the develop rapidly of mobile communication technology, corresponding value-added service is also among develop rapidly.For complying with the trend of market development, mobile communication operator develops the value-added services such as mobile-payment system gradually.For example, there is in the market utilizing the mobile terminal integrated RF recognition technologies such as mobile phone (Radio Frequency Identification, RFID) realize the daily life function such as access control, small amount payment, it is mainly to utilize RFID electronic label identification technology to carry out Information Monitoring, and then with object exchange information such as public service systems to realize contactless two-way communication, and obtain the function of related data.
But RFID realizes in the process of electronic label identification in use, the Information Security of RFID is a comparatively significantly problem.For example, be arranged on payment storage card in mobile phone normally non-tangible, if mobile phone is lost, be difficult to carry out handling of card loss, cause the cash in consumer's 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 there is radio frequency recognition function and can protect its radio frequency identification data information.
A kind of portable electron device, it comprise one for signal transmitting and receiving unit and a memory module, a safe digital card and a Logic control module of 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, described Logic control module receives the operation signal that signal transmitting and receiving unit sends, data in more described feedback data and memory module, and the operation signal whether signal transmitting and receiving unit being sent according to output control relatively writes memory module.
Compared to prior art, described portable electron device adds a Logic control module and a coding/decoding module on universal RFID label, and coordinate with described Logic control module and produce enable signal by a safe digital card, control enable module with this operation signal is write to memory module.When the information of safe digital card and the information of described memory module are when inconsistent, Logic control module will be forbidden write operation signal.Obviously, the present invention can effectively protect the data message in memory module.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the portable electron device of preferred embodiments of the present invention.
Fig. 2 is that the battery cover of portable electron device shown in Fig. 1 is along the cutaway view of II-II direction.
Fig. 3 is the functional block diagram of the portable electron device of preferred embodiments 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 public service system and can protects its radio frequency identification data information, is illustrated in the present embodiment as an example of a mobile phone example.
Refer to 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 a battery cover 120.Described battery cover 120 is 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 for preventing 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 is all integrated in this layer with signal processing unit 20; Described wiring layer 124 is 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 is electrically connected with the main circuit board (not shown) of mobile phone 100.Thereby described signal processing unit 20 is by being electrically connected and being electrically connected at main circuit board at wiring layer 124 electrical traces and connector 140.Described safe digital card 80 is contained in described mobile phone 100, thereby and the main circuit board that is electrically connected at described mobile phone 100 be electrically connected with signal processing unit 20.
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 is during near the working region of the reader (not shown) of public service system, described signal transmitting and receiving unit 10 will receive the signal being sent by described reader, this signal comprises authentication signal for judging individual subscriber identity and for upgrading the operation signal of safe digital card 80 interior data messages, the signal that synchronous signal Transmit-Receive Unit 10 sends reader is sent to described signal processing unit 20.
The signal that described signal processing unit 20 sends in order to receive and to process described signal transmitting and receiving unit 10 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 is all 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 RF is sent.Described Logic control module 40 is sent to safe digital card 80 by 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 feedback by safe digital card 80 meets user's essential information.Only have in the time that Logic control module 40 confirms that identification signal that safe digital card 80 feeds back meets user's essential information, described Logic control module 40 just sends a read signal to read the data message in described memory module 60 to memory module 60, and this data message is sent to the reader of public service system and then is obtained described operation signal by lawnmower module 30.Simultaneously described Logic control module 40 is sent to safe digital card 80 by the data message in memory module 60 by coding/decoding module 70, with obtain in safe digital card 80 one group for memory module 60 in the feedback data that compares of data message.Whether described Logic control module 40 is consistent with the feedback data in safe digital card 80 for the data message in memory module 60 relatively, judges whether to produce an enable signal control described enable module 50 operation signal is write to memory module 60 with this.In the time that the data message in memory module 60 is consistent with feedback data in safe digital card 80, operation signal is sent to enable module 40 by described Logic control module 40, an enable signal is sent to enable module 40 to confirm needing operation signal to write memory module 60 simultaneously.Otherwise described Logic control module 40 will can not produce enable signal, further show that by this information of described safe digital card 80 interior storages 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.When enable module 50 is received after described enable signal, described enable module 50 will be controlled described memory module 60 write operation signals, now upgrade the data message in described memory module 60.Do not receive described enable signal when enable module 50, operation signal can not be written into memory module 60, and the data message in memory module 50 will can not be updated, thereby reach protection userspersonal information's object.
Described memory module 60, for receiving after the read signal that described Logic control module 40 sends, sends canned data to described Logic control module 40, whether controls write operation signal by enable module 50 simultaneously.
Described coding/decoding module 70 is electrically connected between Logic control module 40 and safe digital card 80.This coding/decoding module 70 can be used for signal to carry out encoding and decoding, and the information after coding 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 the memory device 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 interior storages.When safe digital card 80 is receiving after the authentication signal or operation signal after coding/decoding module 70 codings, produce accordingly respectively one group of feedback data, this feedback data is back to described Logic control module 40 after decoding.
Described mobile phone 100 can be applicable in public service system, as identification, information storage, small amount consumption and payment etc.Be illustrated as an example of a mobile phone 100 that applies to bus card-reading system example in the present embodiment.
While getting on the bus, user uses described mobile phone 100 to carry out bus card-reading, in advance safe digital card 80 is inserted in the safety numeric code card slot of mobile phone 100, make again the card reader of described mobile phone 100 near bus card-reading system, and receive by described signal transmitting and receiving unit 10 signal that card reader sends.The signal receiving is sent to described lawnmower module 30 by described signal transmitting and receiving unit 10, and be converted to a digital signal by described lawnmower module 30, and this digital signal is in order to inquire about the remaining sum in described memory module 60.Described digital data transmission is to Logic control module 40, and radiofrequency signal is sent to described coding/decoding module 70 and described safe digital card 80 by Logic control module 40.Now, described safe digital card 80 will send accordingly one group of feedback data and after described coding/decoding module 70 is decoded, be sent to described Logic control module 40, 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 of pre-stored personal information decodings, and judge by Logic control module 40 whether safe digital card 80 is that user is all.In the time confirming as effective and safe digital card 80, described Logic control module 40 will send a read signal to described memory module 60, described memory module 60 is back to Logic control module 40 by balance amount information after receiving read signal, and now Logic control module 40 sends to this remaining sum signal the card reader of bus card-reading system to have enough remaining sums to confirm described mobile-phone payment card after described signal transmitting and receiving unit 10 is modulated.Simultaneously, Logic control module 40 is sent to safe digital card 80 by remaining sum signal through coding/decoding module 70 again, described safe digital card 80, by automatically producing the feedback data of one group of corresponding balance amount information and be sent to described Logic control module 40 after decoding, now gives described Logic control module 40 the key of release.This complete read operation step.
After the card reader of bus card-reading system is received remaining sum signal and is confirmed the validity, to send an Entrucking Point signal, described Logic control module 40 is received after Entrucking Point signal, will confirm that 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.After confirming that balance amount information through decoded feedback data and 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 after enable signal writes Entrucking Point signal described memory module 60 receiving.If the balance amount information through decoded feedback data and described memory module 60 is inconsistent, can send enable signal to described enable module 50, and then Entrucking Point signal can not write to memory module 60 described in people.Same, when described memory module 60 writes after 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 by Entrucking Point signal after encoding, to keep the coding in safe digital card 80 consistent with the information in memory module 60.This complete write operation step.
While getting off, user uses described mobile phone 100 to carry out bus card-reading, now the card reader of bus card-reading system first reads the Entrucking Point signal of described memory module 60 by repeating described read operation step, and delivers to public transport CIS and carry out relevant data processing.And described in the Data duplication of handling well the most at last, write operation step writes described memory module 60, completes the action of deducting money.Now, described memory module 60 is sent to the data message of renewal in safe digital card 80 through Logic control module 40 and coding/decoding module 70 again.
The present invention adds a Logic control module 40, an enable module 50 and a coding/decoding module 70 on general RFID label, and coordinate with described Logic control module 40 and produce enable signal by a safe digital card 80, control whether operation signal is write to memory module 60 with this.Be appreciated that in the time not inserting described safe digital card 80, will can not produce enable signal, thereby make operation signal cannot write described memory module 60, ensured that the data that the memory module 60 of described mobile phone 100 is stored can not be modified.Obviously, user as long as take out described safe digital card 80 when without use mobile phone card-brushing, even if 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 amendments, interpolation and the replacement in other forms and details in the claims in the present invention scope of disclosure and spirit.Certainly, the variations such as various amendments, interpolation and the replacement that these make according to spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (9)
1. a portable electron device, it comprise one for signal transmitting and receiving unit and a memory module of 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 safety numeric code card slot, one safe digital card and a Logic control module, described safe digital card is installed in described safety numeric code card slot, described safe digital card is in order to send a feedback data to Logic control module, described Logic control module receives the operation signal that signal transmitting and receiving unit sends, data in more described feedback data and memory module, and the operation signal whether signal transmitting and receiving unit being sent according to output control relatively 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 memory module, in the time of data consistent in described feedback data and memory module, described Logic control module sends an enable signal, to enable module and by enable module, operation signal is write to memory module; In the time that the data in described feedback data and memory module are inconsistent, described Logic control module will not send enable signal, to forbid that operation signal is write to 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 safe digital card, and the information after coding is sent to described safe digital card, 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, described lawnmower module is electrically connected between described signal transmitting and receiving unit and Logic control module and for de/modulation signal.
5. portable electron device as claimed in claim 3, is characterized in that: described safe digital card is electrically connected at described coding/decoding module by the main circuit board of portable electron device.
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 that battery cover is near one deck of the battery of portable electron device and for preventing the interference of battery to described signal transmitting and 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 are all integrated in main circuit layer; Described wiring layer is 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: one end of described portable electron device offers a connector, and the main circuit board of described connector and portable electron device is electrically connected.
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 are all electrically connected 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 CN101969495A (en) | 2011-02-09 |
| CN101969495B true 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) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089869A (en) * | 2006-06-15 | 2007-12-19 | 晨星半导体股份有限公司 | Method and apparatus for computer login security using rfid technology |
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2009
- 2009-07-27 CN CN200910304886.8A patent/CN101969495B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089869A (en) * | 2006-06-15 | 2007-12-19 | 晨星半导体股份有限公司 | Method and apparatus for computer login security using rfid technology |
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| Publication number | Publication date |
|---|---|
| CN101969495A (en) | 2011-02-09 |
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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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Granted publication date: 20140723 Termination date: 20190727 |