CN102402771A - Secure portable distribution method and device for electronic certificate - Google Patents
Secure portable distribution method and device for electronic certificate Download PDFInfo
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- CN102402771A CN102402771A CN2011103357657A CN201110335765A CN102402771A CN 102402771 A CN102402771 A CN 102402771A CN 2011103357657 A CN2011103357657 A CN 2011103357657A CN 201110335765 A CN201110335765 A CN 201110335765A CN 102402771 A CN102402771 A CN 102402771A
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Abstract
The invention provides a secure portable distribution method for an electronic certificate. The method comprises the following steps of: receiving and storing paid electronic product data, generating a configuration list containing an electronic product certificate number and sending the configuration list to a mobile terminal; and receiving an electronic certificate distribution request of the mobile terminal, resolving and verifying the identity of the mobile terminal and whether the electronic product is distributed, and pushing the electronic product certificate and the product data to the mobile terminal if the mobile terminal passes identity verification and the electronic product is not distributed. A security chip for storing the electronic product data is arranged in the mobile terminal, and the security chip is bound with a mobile terminal equipment number and a mobile terminal identity number. By adopting the electronic certificate distribution method, customers can carry out non-field distribution of various electronic products at any time and any place, so that the distribution cost is greatly reduced, convenience is brought to the life of the customers and the life style is improved.
Description
Technical field
The present invention relates to pay by mails technical field, especially, relate to a kind of safe and portable allocator and device of electronic certificate.
Background technology
Traditionally, the consumer need purchase plane ticket, train ticket, ferry ticket etc. earlier if take the trip of various public transports, enters the station with ticket then; Perhaps if go to the cinema, place consumption that music hall, gymnasium, exhibition etc. need bill evidence; Need arrive first the point of sale booking of appointment; Then at the appointed time, place ticket checking admission; So just need spend many times in advance, and influenced by various uncertain factors, like situation variation of weather, traffic etc.Along with development of science and technology; Present consumer can pass through channel ticket booking, bookings such as phone, internet; Saved the booking time; But solve ticketing service dispensing, and can only call through manual work, modes such as mailing, express delivery send ticket, perhaps the consumer leads ticket with perfect instrument to the appointed place or with the ticket place.
Other solve the mode of ticketing service dispensing, as billing information being converted into the form of two-dimension code, send electronics dispensing modes such as note and multimedia message again through mobile phone, have saved distribution time.And,, will bring economic loss in case stolen ticket person utilizes because the dispensing data of this type of electron type are prone to be replicated, also influenced trip or consumption.So; How to avoid the ticket or the voucher of this electron type to be replicated and to reuse, how to avoid ticket or voucher to be forged or solve the common security of using of many people, and can guarantee consumer's rights and interests and bring convenience; Being new problem, also is the problem that the present invention will solve.
Summary of the invention
In view of this, the object of the invention just provides a kind of the have electronic bill of convenience and security or the allocator of voucher, and the consumer can be stayed indoors, and not only can book tickets in many ways, can also get tickets, use ticket easily and safely.
The present invention observes the communications protocol and the technical manual of building cause all-purpose card and financial industry standard; Wireless data passage through mobile operator; Adopt the security protocol and the cryptographic protocol of specialty; Accomplish the bidirectional data transfers electronic transaction between portable terminal, commerce system, electronic payment platform, several persons of electronics delivery management platform, realized a kind of electronic bill dispensing of secure payment.
The present invention proposes a kind of safe and convenient allocator of electronic certificate, comprising:
Receive and preserve the electronic product data of having paid completion, generate the configuration list that contains electronic product voucher numbering and send to portable terminal; The electronic certificate dispensing request of mobile terminal receive resolves and verifies whether portable terminal identity and electronic product provide and deliver, if the portable terminal authentication is passed through and not dispensing, electronic product voucher and product data is pushed to portable terminal; Described portable terminal is built-in with safety chip, is used for store electronic product data; Described safety chip is also bound with mobile terminal device number, portable terminal identification number.
Further, push before the electronic product voucher, whether inspection exists electronic product data information, if do not exist, downloads from trade company's end.
Further, after described safety chip and mobile terminal device number, portable terminal identification number are bound, can also bind, be used to strengthen the authentication of portable terminal, comprise with all-purpose card card sequence number:
1) safety chip in the portable terminal is formatted as city all-purpose card card;
2) SIM/USIM/PIM card in the portable terminal and all-purpose card card are bound;
3) SD/mimiSD/TF card in the portable terminal and all-purpose card card are bound.
Further, described safety chip combines with radio-frequency antenna to realize and outside card reader or the communication of POS machine, verifies the true and false of said electronic product voucher or has not crossed the term of validity.
In addition, the present invention also proposes a kind of safe and convenient dispenser of electronic certificate, comprising:
Delivery server receives and preserves the electronic product data of having paid completion, generates the configuration list that contains electronic product voucher numbering and sends to portable terminal; The electronic certificate dispensing request of mobile terminal receive resolves and verifies whether portable terminal identity and electronic product provide and deliver, if the portable terminal authentication is passed through and not dispensing, electronic product voucher and product data is pushed to portable terminal;
Portable terminal is built-in with safety chip, is used for store electronic product data; Described safety chip and mobile terminal device number, portable terminal identification number are bound.
In addition, can further include:
Trade company end server is used to provide electronic product information, sends or the return electron product data after receiving the electronic product data request.
Can further include:
Contracted user's management devices is used for storaging user data, merchant information, based on said information the mobile phone users identity is verified.
The present invention also proposes a kind of electronic certificate recognition device simultaneously, can with above-mentioned electronic certificate dispenser fit, can combine with radio-frequency antenna, read the information of preserving in the safety chip in the portable terminal described in the electronic certificate dispenser.
Compared with prior art, the present invention has following outstanding advantage:
1) the present invention and existing ticketing system contrast uses portable terminal to realize buying tickets, get tickets, use ticket whenever and wherever possible, has promptly saved the cost of labor of dispensing ticket, has also saved consumer's the time cost of getting tickets, and has improved people's quality of life.And the expense of having saved seal paper ticket has simultaneously been stopped the waste that many seals ticket causes.
2) the present invention contrasts the existing manual delivery system; Papery ticket or this link of voucher of will providing and delivering originally becomes electron stream by logistics; Improved social digitized degree; And with the electronic bill information stores in the safety chip of portable terminal, can reach false proof, convenient and prevent and reuse.
3) delivery server dynamically generates the electronic certificate numbering at any time according to consumer wants, and downloads on the portable terminal through wireless network, makes that electronic certificate is difficult to duplicate, and has not only guaranteed security, has also prevented spreading unchecked of fraud ticket.Further, combine with software systems on the portable terminal, the term of validity that ticket can also be set is reminded, and prevents with ticket expired.
4) preserve the mode of electronic bill with safety chip; Satisfy the standard of IC-card; With consumer's safety chip and mobile terminal device number, mobile terminal number, perhaps further bind with all-purpose card card sequence number, be the very high implementation of a kind of level of security.
Description of drawings
Fig. 1 is the network topological diagram of the system embodiment of embodiment of the present invention electronic certificate safe and portable allocator;
Fig. 2 is the process flow diagram of electronic certificate safe and portable allocator first embodiment of the present invention;
Fig. 3 is the practical implementation process synoptic diagram of electronic certificate safe and portable allocator of the present invention;
Fig. 4 is the structured flowchart of electronic certificate safe and portable dispenser embodiment of the present invention;
Fig. 5 is the structured flowchart of another embodiment of electronic certificate safe and portable dispenser of the present invention.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing and embodiment the present invention done further detailed explanation.
The safe and portable allocator of electronic certificate of the present invention is observed the communications protocol and the technical manual of building cause all-purpose card and financial industry standard fully; Wireless data passage through mobile operator; Adopt the security protocol and the cryptographic protocol of specialty; Realization is built-in with portable terminal, payment management device, trade company's end server of safety chip, the bidirectional data transfers between the electronics delivery management server, has accomplished electronic goods consumer's non-at-scene e-ticketing and gets tickets.
Below in conjunction with Fig. 1 ~ Fig. 4, specify the practical implementation process of the safe and portable allocator of electronic certificate of the present invention.Fig. 1 is the network topological diagram of system embodiment of safe and portable allocator and the device of embodiment of the present invention electronic certificate; Fig. 2 is the process flow diagram of safe and portable allocator first embodiment of electronic certificate of the present invention; Fig. 4 is the practical implementation process synoptic diagram of the safe and portable allocator of electronic certificate of the present invention.
With reference to Fig. 1, the system of the safe and portable allocator of embodiment of the present invention electronic certificate can comprise: trade company's end server 1, electronics delivery server 2 and the portable terminal 3 that is built-in with safety chip.Electronics delivery server 2 and trade company end server 1 through Digital Data Net (Digital Data Network, DDN) or the Internet (Inter Net) etc. communicate; Electronics delivery server 2 communicates through the cordless communication network that mobile operator provides with portable terminal 3.
In conjunction with Fig. 1; The safe and portable allocator of electronic certificate of the present invention is realized through the safe and portable dispenser of electronic certificate of the present invention; From electronics delivery server angle, the data transmission procedure of the safe and portable allocator of electronic certificate of the present invention is described below.With reference to Fig. 2, show the process flow diagram of first embodiment of the safe and portable allocator of electronic certificate of the present invention, can comprise:
The consumer at first buys electronic product and accomplishes payment through portable terminal on the website of trade company's end.Concrete can accomplish payment through special paying server or other modes, will pay completion information and issue delivery server, and delivery server receives and preserves the electronic product data of having paid completion, comprising:
Electronic product information table referring to table 1 payment completion:
Table 1: the electronic product information table that payment is accomplished
| Item of information is accomplished in payment | The electronic product information that payment is accomplished |
| The ID of trade company | 1001 |
| Electronic product ID | S1000 |
| The electronic product O/No. | 2011060100008 |
| The identify label of portable terminal | 13912345678 |
| The electronic product title | Film ticket |
| Number of | 2 |
| Unit price | 20 yuan |
| Payment | 40 yuan |
| Electronic product is described | Movie name " leaf is asked ", magnificent star movie theatre, seat: 12 rows No. 1,12 rows No. 2 |
The consumer buys product and comprises but be not limited to the network booking, book by phone or mobile phone booking etc.The product of being bought can be such as electrical type commodity such as train expense, plane ticket, film tickets.
According to the electronic product information table of step 201, it is single to generate the configuration that contains electronic product voucher numbering, wherein, and the single identify label that can comprise electronic product title, electronic product voucher numbering, electronic product information, portable terminal of said configuration; Dispose single information such as table 2:
Table 2: dispose single information table
| The single numbering of configuration | 00001 |
| The identify label of portable terminal | 13912345678 |
| The electronic product title | Film ticket |
| Electronic product voucher numbering | 2011001000025 |
| Electronic product information | Movie name " leaf is asked ", magnificent star movie theatre, seat: 12 rows No. 1,12 rows No. 2 |
Said electronic product voucher numbering can be to generate automatically according to the numeric sequence number that unified numbered sequence is arranged, and for example 3+electronic product of year 4+electronic product classification ticket sequence number is 6, and this sequence number has uniqueness, also can be bar code information etc.
After the single generation of configuration, send to portable terminal.Portable terminal can select electronic certificate to dispose single-row table on demand, specifies needed electronic product.
The electronic certificate dispensing request of step 203, mobile terminal receive;
Mobile terminal user also is the consumer, possibly buy multiple product, comprises products in kind and electronic product, and he can obtain at any time as required for electronic product.Therefore, when the product that portable terminal selects him to need, send the dispensing request.For delivery server,, for example receive 00001 the single dispensing request of configuration that is numbered with the electronic certificate dispensing request of mobile terminal receive at any time.
Portable terminal also can sign in on the delivery server through wireless network, and selection needs the electronic product of dispensing, sends the request of downloading electronic certificate.
Delivery server can be consulted the configuration list according to the configuration numbering, resolves and verify wherein whether the identify label of portable terminal is effective.
Whether the checking portable terminal is validated user on merchant server, if identity effectively then get into next step.
Whether step 205, inspection electronic product provide and deliver, if the portable terminal authentication is passed through and not dispensing, electronic product voucher and product data are pushed to portable terminal;
Whether delivery server has provided and delivered for electronic product makes marks, if provided and delivered then no longer dispensing, also not dispensing just is pushed to portable terminal with electronic product voucher and product data, and does the mark of providing and delivering.
Described portable terminal is built-in with safety chip, is used for store electronic product data; Described safety chip is also bound with mobile terminal device number, portable terminal identification number.
Portable terminal in safety chip, and can use mobile terminal displays electronic product credential information with the product voucher data storage that receives when needs are consumed.
The electronic product data that contains consumer wants in the realization hypothesis delivery server of above technical scheme.If because other reasons causes the loss of data in the delivery server, just need to transfer data again to come, therefore, following technical scheme can also be arranged:
Delivery server pushes before the electronic product voucher, and whether inspection exists electronic product data information, if do not exist, downloads from trade company's end.
Realize that through DDN or Inter Net delivery server and trade company's end data in server transmit.
Along with popularizing of city all-purpose card user, the all-purpose card user can be further unified with mobile phone users, realizes that portable terminal utilizes all-purpose card to realize small amount consumption.So, at this moment, be to strengthen the authentication link of portable terminal, after above-mentioned safety chip and mobile terminal device number, the binding of portable terminal identification number, can also further bind with all-purpose card card sequence number, mode comprises:
1) safety chip in the portable terminal is formatted as city all-purpose card card; Safety chip in the portable terminal is exactly the all-purpose card card at this moment.
2) SIM/USIM/PIM card in the portable terminal and all-purpose card card are bound.At this moment, the all-purpose card card is attached in the SIM/USIM/PIM card.
3) SD/mimiSD/TF card in the portable terminal and all-purpose card card are bound.At this moment, the all-purpose card card is attached in the SD/mimiSD/TF card.
Fig. 3 is the process flow diagram of drawing from electronic certificate dispensing flow process angle, wherein is clear that delivery server, portable terminal, the action separately of trade company's end server.
Step 301: configuration server receives and preserves the electronic product data of having paid completion, generates the configuration list that contains electronic product voucher numbering and sends to portable terminal;
Step 302: portable terminal receives the single information of configuration, and the configuration that selection needs from configured list is single, sends configuring request;
Step 303: the electronic certificate dispensing request of configuration server mobile terminal receive, resolve and checking portable terminal identity;
Step 304: whether configuration server inspection electronic product provides and delivers, if the portable terminal authentication is passed through and not dispensing;
Step 305: whether configuration server inspection electronic product exists, if exist, electronic product voucher and product data is pushed to portable terminal;
Step 306: do not download electronic product data if configuration server inspection electronic product does not exist from trade company's end, electronic product voucher and product data are pushed to portable terminal;
Step 307: portable terminal electron gain product voucher and product data;
Step 308: trade company's end server sends electronic product information.
Above technical scheme has realized that electronic means obtain electronic certificate from portable terminal.Also need to prove; How electronic certificate uses; Need through with the electronic certificate recognition device that adapts, can read the information of preserving in the safety chip, can be outside card reader or POS machine; Safety chip in the above-mentioned portable terminal combines with radio-frequency antenna to realize and outside card reader or the communication of POS machine, thereby can verify the true and false of said electronic product voucher or not cross the term of validity.
The invention allows for a kind of safe and convenient dispenser of electronic certificate with reference to Fig. 4, comprise delivery management server and portable terminal.
Delivery server receives and preserves the electronic product data of having paid completion, generates the configuration list that contains electronic product voucher numbering and sends to portable terminal; The electronic certificate dispensing request of mobile terminal receive resolves and verifies whether portable terminal identity and electronic product provide and deliver, if the portable terminal authentication is passed through and not dispensing, electronic product voucher and product data is pushed to portable terminal;
Portable terminal is built-in with safety chip, is used for store electronic product data; Described safety chip and mobile terminal device number, portable terminal identification number are bound.
When delivery server was received the dispensing request of portable terminal, the electronic product data that discovery will be provided and delivered did not exist, and then also need arrive trade company and hold downloaded, and therefore, described technical scheme can further include:
Trade company end server is used to provide electronic product information, sends or the return electron product data after receiving the electronic product data request.
Described delivery management server can comprise following Elementary Function:
1, contracted user's authentication module;
With the mutual process of mobile phone users request in, the functional module of the legitimacy of portable terminal being carried out authentication.Authorization information information comprises:
Portable terminal identification number (cell-phone number);
The safety chip sequence number;
The data check sign indicating number;
2, electronic goods credential information administration module;
Be responsible for the management of electronic goods credential information, comprise data sync, promptly share the goods orders informational function of merchant server electronic goods information.Generate the function of the electronic certificate information of mobile terminal downloads.The electronic certificate information spinner will comprise following information:
The unique sequence identifier of commodity;
Trade name;
Corresponding mobile terminal number;
Other commodity satellite information (as: quantity, price or the like)
3, data communication module;
Communication module mainly is responsible for and portable terminal and other data in server communication function.Comprise the dispensing request of accepting portable terminal and the communication function of return data, with the mutual communication function of the information sharing of merchant server.
The structure of described portable terminal is formed, and can comprise following Elementary Function:
1, user function module
Be responsible for the function that mobile terminal user login, withdrawed from, user profile is safeguarded, and control only signs in to delivery server and could carry out the function of asking the download voucher.
2, communication function module;
The communication function module mainly is responsible for sending and receiving transaction data information, comprises sending voucher dispensing download request and receiving electronic certificate object information function;
3, information management function module
Dispensing solicited message that the mainly responsible generation of information management module will be sent and the function that the object information that receives is stored; Comprise that tissue generates electronic certificate download request data, stores the electronic certificate information data that receives into the safety chip memory block of portable terminal.
As shown in Figure 5; For satisfying the long-term needs of managing of trade company; Make and can manage user's information, can successfully carry out subscriber information management for ease of portable terminal, described technical scheme can also comprise: contracted user's management devices; Be used for storaging user data, merchant information, the mobile phone users identity verified based on said information.
In each embodiment of above-mentioned portable terminal, said portable terminal can be NFC mobile phone or common mobile terminal.The mobile phone of the NFC mobile phone has been built-in NFC chip and antenna.Above-mentioned portable terminal can also can be common mobile terminal such as regular handset, Personal Handyphone System, PDA for NFC (Near Filed Communication, close range wireless communication) mobile phone.In addition, the safety chip in the NFC mobile phone also can be initialized as the IC-card stored value card.
The portable terminal that adopts the embodiment of the invention to provide can carry out various non-at-scene payment transactions whenever and wherever possible; Even if the user who has poor credit grade or be unfamiliar with computer operation also can easily carry out the electronic remote payment; Bring great convenience in payment to the user, made things convenient for people's life.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For device embodiment, because it is similar basically with method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than to a kind of method of payment provided by the present invention, payment management device, payment management and portable terminal based on IC-card; Carried out detailed introduction; Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. the safe and convenient allocator of an electronic certificate is characterized in that, comprising:
Receive and preserve the electronic product data of having paid completion, generate the configuration list that contains electronic product voucher numbering and send to portable terminal; The electronic certificate dispensing request of mobile terminal receive resolves and verifies whether portable terminal identity and electronic product provide and deliver, if the portable terminal authentication is passed through and not dispensing, electronic product voucher and product data is pushed to portable terminal; Described portable terminal is built-in with safety chip, is used for store electronic product data; Described safety chip is also bound with mobile terminal device number, portable terminal identification number.
2. electronic certificate allocator according to claim 1 is characterized in that, pushes before the electronic product voucher, and whether inspection exists electronic product data information, if do not exist, downloads from trade company's end.
3. according to the arbitrary described electronic certificate allocator of claim 1 to 2; It is characterized in that, after described safety chip and mobile terminal device number, portable terminal identification number are bound, can also bind with all-purpose card card sequence number; Be used to strengthen the authentication of portable terminal, comprise:
1) safety chip in the portable terminal is formatted as city all-purpose card card;
2) SIM/USIM/PIM card in the portable terminal and all-purpose card card are bound;
3) SD/mimiSD/TF card in the portable terminal and all-purpose card card are bound.
4. electronic certificate allocator according to claim 3 is characterized in that, described safety chip combines with radio-frequency antenna to realize and outside card reader or the communication of POS machine, verifies the true and false of said electronic product voucher or has not crossed the term of validity.
5. the safe and convenient dispenser of an electronic certificate is characterized in that, comprising:
Delivery server receives and preserves the electronic product data of having paid completion, generates the configuration list that contains electronic product voucher numbering and sends to portable terminal; The electronic certificate dispensing request of mobile terminal receive resolves and verifies whether portable terminal identity and electronic product provide and deliver, if the portable terminal authentication is passed through and not dispensing, electronic product voucher and product data is pushed to portable terminal;
Portable terminal is built-in with safety chip, is used for store electronic product data; Described safety chip and mobile terminal device number, portable terminal identification number are bound.
6. electronic certificate dispenser according to claim 5 is characterized in that, further comprises:
Trade company end server is used to provide electronic product information, sends or the return electron product data after receiving the electronic product data request.
7. according to the arbitrary described electronic certificate dispenser of claim 5 to 6, it is characterized in that, also comprise:
Contracted user's management devices is used for storaging user data, merchant information, based on said information the mobile phone users identity is verified.
8. electronic certificate recognition device, can with right 1 to 8 described electronic certificate dispenser fit, it is characterized in that, can combine with radio-frequency antenna, read the information of preserving in the safety chip in the portable terminal described in the electronic certificate dispenser.
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| CN2011103357657A CN102402771A (en) | 2011-10-31 | 2011-10-31 | Secure portable distribution method and device for electronic certificate |
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| CN2011103357657A CN102402771A (en) | 2011-10-31 | 2011-10-31 | Secure portable distribution method and device for electronic certificate |
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| CN102402771A true CN102402771A (en) | 2012-04-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102890769A (en) * | 2012-09-04 | 2013-01-23 | 深圳盈烨创新通讯技术有限公司 | Near field communication (NFC) equipment and method for converting radio frequency identification (RFID) information into bar code information |
| CN103226778A (en) * | 2013-03-21 | 2013-07-31 | 刘婷 | Electronic certificate acquiring and dispensing method, intelligent terminal and advisement player |
| CN107566449A (en) * | 2017-07-31 | 2018-01-09 | 北京三快在线科技有限公司 | Portable power source leasing method, system, mobile terminal, server, lease terminal |
| CN108076458A (en) * | 2016-11-15 | 2018-05-25 | 中国移动通信有限公司研究院 | A kind of method, device and mobile terminal for binding TF cipher cards |
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| CN101430800A (en) * | 2008-12-04 | 2009-05-13 | 中国移动通信集团公司 | Electronic bill system, apparatus and method |
| CN201522727U (en) * | 2009-09-25 | 2010-07-07 | 上海新大陆翼码信息科技有限公司 | Two-dimension code electronic ticket business system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101430800A (en) * | 2008-12-04 | 2009-05-13 | 中国移动通信集团公司 | Electronic bill system, apparatus and method |
| CN201522727U (en) * | 2009-09-25 | 2010-07-07 | 上海新大陆翼码信息科技有限公司 | Two-dimension code electronic ticket business system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102890769A (en) * | 2012-09-04 | 2013-01-23 | 深圳盈烨创新通讯技术有限公司 | Near field communication (NFC) equipment and method for converting radio frequency identification (RFID) information into bar code information |
| CN103226778A (en) * | 2013-03-21 | 2013-07-31 | 刘婷 | Electronic certificate acquiring and dispensing method, intelligent terminal and advisement player |
| CN108076458A (en) * | 2016-11-15 | 2018-05-25 | 中国移动通信有限公司研究院 | A kind of method, device and mobile terminal for binding TF cipher cards |
| CN107566449A (en) * | 2017-07-31 | 2018-01-09 | 北京三快在线科技有限公司 | Portable power source leasing method, system, mobile terminal, server, lease terminal |
| CN107566449B (en) * | 2017-07-31 | 2022-08-19 | 北京三快在线科技有限公司 | Mobile power supply leasing method and system, mobile terminal, server and leasing terminal |
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Application publication date: 20120404 |