CN102122365A - Method for accessing label storage area in radio frequency identification system and label - Google Patents
Method for accessing label storage area in radio frequency identification system and label Download PDFInfo
- Publication number
- CN102122365A CN102122365A CN2011100475897A CN201110047589A CN102122365A CN 102122365 A CN102122365 A CN 102122365A CN 2011100475897 A CN2011100475897 A CN 2011100475897A CN 201110047589 A CN201110047589 A CN 201110047589A CN 102122365 A CN102122365 A CN 102122365A
- Authority
- CN
- China
- Prior art keywords
- tag storage
- access
- storage district
- label
- district
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Storage Device Security (AREA)
Abstract
The embodiment of the invention provides a method for accessing a label storage area in a radio frequency identification system and a label. The method for accessing a label storage area in a radio frequency identification system comprises the following steps: receiving a label storage area access password sent by a reader-writer; obtaining the reading-writing permission of the label storage area corresponding to the label storage area access password; and according to the reading-writing permission of the label storage area, correspondingly accessing the label storage area. The label comprises a receiving unit, an acquisition unit and an access unit, wherein the receiving unit is used for receiving the label storage area access password sent by the reader-writer; the acquisition unit is used for obtaining the reading-writing permission of the label storage area corresponding to the label storage area access password; and the access unit is used for accessing the label storage area according to the reading-writing permission of the label storage area. According to the embodiment of the invention, the problem of poor safe control mechanism in the prior art can be solved, and the access permission of the reader-writer can be managed to finish authorization for accessing parts of storage areas.
Description
Technical field
The present invention relates to communication technical field, relate in particular to label memory block access method and label in a kind of radio-frequency recognition system.
Background technology
Passive radio frequency identification (RFID, Radio Frequency Identify) system comprises label and reader.REID is a kind of contactless automatic identification technology, and it is by the automatic recognition objective object of radiofrequency signal and obtain related data, and identification work need not manual intervention, can work in various rugged surroundings.The RFID technology can be discerned high-speed moving object and can discern a plurality of labels simultaneously, and is swift and convenient to operate.Its principle of work is as follows:
Reader send information to one or more labels by the modulated RF carrier signal, and label obtains the working power energy by radio frequency (RF, the Radio Frequency) electromagnetic field of reader; Label information is according to certain coded system coding; Label comes transmission information by the amplitude or the phase place of backscattered modulation radio-frequency carrier; RF carrier wave and the backscattered answer of the intercepting label information that obtains label of reader by sending a non-modulated; Reader is deciphered label information; Communication between reader and the label is semiduplex.
Passive label mainly is made of antenna system, radio frequency unit, logical block and storer etc.It is consumed by internal circuit from the energy part that reader obtains, and another part is launched by antenna.The answer signal of label is that baseband signal is modulated on the high frequency carrier that reader sends, and sends to reader by wireless mode.In rfid system, read write line can conduct interviews to the data in the label by eating dishes without rice or wine, and access mode comprises reading and writing, lock etc.In existing air interface protocol, ISO 18000-6B does not have security control to visit, EPC (Engineer, Procure, Construct letter abbreviations, its Chinese implication is that an engineering is responsible for carrying out " design, buying, construction ", similar to usually said general contract of civil engineering implication) visit is provided with access password in the agreement, require read write line when label is conducted interviews, must the authentication-access password, what password was correct can normally visit the data of all user areas.
The inventor finds that there is following problem at least in prior art: controling mechanism is relatively poor, can't manage the access rights of read write line, can't finish the mandate of part memory block visit.
Summary of the invention
The embodiment of the invention provides label memory block access method and label in a kind of radio-frequency recognition system, to solve the relatively poor problem of controling mechanism that prior art exists.
On the one hand, the embodiment of the invention provides label memory block access method in a kind of radio-frequency recognition system, and described method comprises: receive the tag storage district access password that read write line sends; Obtain the access limit in the tag storage district of described tag storage district access password correspondence; According to the described tag storage of the corresponding visit of the access limit in described tag storage district district.
On the other hand, the embodiment of the invention provides label in a kind of radio-frequency recognition system, and described label comprises: receiving element is used to receive the tag storage district access password that read write line sends; Acquiring unit is used to obtain the access limit in the tag storage district of described tag storage district access password correspondence; Addressed location is used for according to the described tag storage of the corresponding visit of the access limit in described tag storage district district.
Technique scheme has following beneficial effect: receive the tag storage district access password that read write line sends because adopt; Obtain the access limit in the tag storage district of described tag storage district access password correspondence; According to the technological means in the described tag storage of the corresponding visit of the access limit in described tag storage district district, so solved the relatively poor problem of controling mechanism that prior art exists, the access rights that can manage read write line are finished the mandate of part memory block visit.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the tag access process flow diagram in the prior art EPC agreement;
Fig. 2 is a label memory block access method process flow diagram in a kind of radio-frequency recognition system of the embodiment of the invention;
Fig. 3 is a label structural representation in a kind of radio-frequency recognition system of the embodiment of the invention;
Fig. 4 is an embodiment of the invention addressed location structural representation;
Fig. 5 is an application example tag access process flow diagram of the present invention;
Fig. 6 is the structural representation of the tag storage district access password of application example read write line transmission of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 1, be the tag access process flow diagram in the prior art EPC agreement, process flow diagram hypothesis label is from open or safe condition, if read write line sends any effective order except that Req_RN, label is all ignored this order and returned arbitrate state; If this order is Query, then label is carried out this order; If read write line sends any effective order except that Access, label is all ignored this order and is returned arbitrate state; If this order is Query, then label is carried out this order.Its browsing process is as follows:
101, read write line will be visited a label, at first sends the Req_RN order;
102, after label is received correct Req_RN order, return the handle of a new RN16 as subsequent commands;
103, reader sends the Access instruction, has comprised 16 highest significant positions of access code of label and the XOR of RN16, and handle and CRC16 verification;
104, after label confirms that handle is correct, reply with original handle;
105, read write line sends the Req_RN order once more;
106, after label is received correct Req_RN order, return a new RN16 as handle;
107, read write line sends Access instruction once more, has comprised the XOR of 16 least significant bit (LSB)s and new RN16 of the access code of label;
108, after label is received correct handle, the password of receiving for twice is merged, judge whether password is correct, and password is correct, then jumps to safe condition, allow read write line to visit.
109, after label is received correct handle, the password of receiving for twice is merged, judge whether password is correct, and password is incorrect, then jumps to arbitrate state.
As can be seen, label has only a password to the visit of memory block from above-mentioned flow process, or whole memory blocks are all allowed visit, or does not just allow visit, and access mode has only a kind ofly, is exactly the modes of all authorizing.
In order to solve the problems of the technologies described above, as shown in Figure 2, be label memory block access method process flow diagram in a kind of radio-frequency recognition system of the embodiment of the invention, described method comprises:
201, receive the tag storage district access password that read write line sends.
Optionally, the tag storage district access password that described reception read write line sends can comprise: eat dishes without rice or wine to receive the tag storage district access password that read write line sends by super high frequency radio frequency identification.Above-mentioned super high frequency radio frequency identification refers to that frequency of operation is 860-960MHz.Ultra-high frequency RFID technology is the passive radio frequency identification system, itself does not carry any power source its label, and its work capacity is to obtain from the radio magnetic wave that read write line sends, because its operating distance is far away, and be the passive mode power supply, therefore particularly important to the requirement of low-power consumption.Present technique is applied to the ultrahigh frequency RFID system, can not increase the label power consumption, has application characteristic preferably.
202, obtain the access limit in the tag storage district of described tag storage district access password correspondence.
Optionally, the described access limit of obtaining the tag storage district of described tag storage district access password correspondence, can comprise:, obtain the access limit in the tag storage district of described tag storage district access password correspondence by resolving the access limit field in the described tag storage district access password.The access limit in described tag storage district can comprise following at least a: full disclosure, readable, read-write.
203, according to the described tag storage of the corresponding visit of the access limit in described tag storage district district.
Optionally, when the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining is full disclosure, the described tag storage of directly corresponding visit district; When the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining when being readable, only allow correspondence to read described tag storage district; When the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining when being read-write, allow the described tag storage of corresponding read-write district.
Embodiment of the invention said method technical scheme has solved the relatively poor problem of controling mechanism that prior art exists, and the access rights that can manage read write line are finished the mandate of part memory block visit.
Corresponding to said method, as shown in Figure 3, be label structural representation in a kind of radio-frequency recognition system of the embodiment of the invention, described label comprises:
Receiving element 31 is used to receive the tag storage district access password that read write line sends;
Addressed location 33 is used for according to the described tag storage of the corresponding visit of the access limit in described tag storage district district.
Optionally, described receiving element 31 is further used for eating dishes without rice or wine to receive the tag storage district access password that read write line sends by super high frequency radio frequency identification.
Optionally, described acquiring unit 32 is further used for obtaining the access limit in the tag storage district of described tag storage district access password correspondence by resolving the access limit field in the described tag storage district access password.
The access limit in described tag storage district can] comprise following at least a: full disclosure, readable, read-write.As shown in Figure 4, be embodiment of the invention addressed location structural representation, it comprises:
The 3rd access modules 333 is used for allowing the described tag storage of corresponding read-write district when the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining when being read-write.
Embodiment of the invention said apparatus technical scheme has solved the relatively poor problem of controling mechanism that prior art exists, and the access rights that can manage read write line are finished the mandate of part memory block visit.
As shown in Figure 5, be application example tag access process flow diagram of the present invention, its browsing process is as follows:
501, read write line will be visited a label, at first sends the Req_RN order;
502, after label is received correct Req_RN order, return the handle of a new RN16 as subsequent commands;
503, reader sends the Access instruction, has comprised the access code of label and the XOR of RN16, and handle and CRC16 verification;
504, after label is received correct handle, judge whether password is correct, password is correct, then jump to safe condition, the visit of permission read write line, obtain the access limit in the tag storage district of tag storage district access password correspondence, according to the described tag storage of the corresponding visit of the access limit in described tag storage district district.Multiple access mode is set in each memory block, and the different access password is set respectively, comprises read password and writes password.Read password only allows read write line reading of data from this memory block, does not allow to rewrite; Writing password then allows read write line that read-write operation is carried out in this memory block.Each memory block all has three grades of access rights to control, and comprises full disclosure (no read password and write password), readable (using the label read password to conduct interviews), read-write (using label to write password conducts interviews).To different application, can use different access rights that the data in the memory block are visited accordingly respectively.In the present invention, the difference to some extent in Access instruction and the EPC agreement, as shown in Figure 6, the structural representation of the tag storage district access password that sends for application example read write line of the present invention.In this order, the parameter field of memory block code and access limit is arranged, wherein the memory block code indicates the position, memory block that read write line will be visited, and the access limit field indicates the authority that read write line will obtain.Access limit if desired, then label wants whether the verification password is read-write; Read-only authority if desired, then label wants whether the verification password is readable.
505, after label is received correct handle, judge whether password is correct, and password is incorrect, then jumps to arbitrate state.
As can be seen from the above description, the embodiment of the invention can improve the security control to the memory block zones of different, increases the control mode of different control areas, thereby reaches better controlling mechanism.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct related hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise above-mentioned all or part of step, described storage medium, as: ROM/RAM, disk, CD etc.Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. label memory block access method in the radio-frequency recognition system is characterized in that described method comprises:
Receive the tag storage district access password that read write line sends;
Obtain the access limit in the tag storage district of described tag storage district access password correspondence;
According to the described tag storage of the corresponding visit of the access limit in described tag storage district district.
2. method according to claim 1 is characterized in that, the tag storage district access password that described reception read write line sends comprises:
Eat dishes without rice or wine to receive the tag storage district access password that read write line sends by super high frequency radio frequency identification.
3. method according to claim 1 is characterized in that the described access limit of obtaining the tag storage district of described tag storage district access password correspondence comprises:
By resolving the access limit field in the described tag storage district access password, obtain the access limit in the tag storage district of described tag storage district access password correspondence.
4. method according to claim 1 is characterized in that the access limit in described tag storage district comprises following at least a: full disclosure, readable, read-write.
5. as method as described in the claim 4, it is characterized in that,
When the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining is full disclosure, the described tag storage of directly corresponding visit district;
When the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining when being readable, only allow correspondence to read described tag storage district;
When the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining when being read-write, allow the described tag storage of corresponding read-write district.
6. label in the radio-frequency recognition system is characterized in that described label comprises:
Receiving element is used to receive the tag storage district access password that read write line sends;
Acquiring unit is used to obtain the access limit in the tag storage district of described tag storage district access password correspondence;
Addressed location is used for according to the described tag storage of the corresponding visit of the access limit in described tag storage district district.
7. as label as described in the claim 6, it is characterized in that described receiving element is further used for eating dishes without rice or wine to receive the tag storage district access password that read write line sends by super high frequency radio frequency identification.
8. as label as described in the claim 6, it is characterized in that described acquiring unit is further used for obtaining the access limit in the tag storage district of described tag storage district access password correspondence by resolving the access limit field in the described tag storage district access password.
9. as label as described in the claim 6, it is characterized in that the access limit in described tag storage district comprises following at least a: full disclosure, readable, read-write.
10. as label as described in the claim 9, it is characterized in that described addressed location comprises:
First access modules is used for when the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining is full disclosure, the described tag storage of directly corresponding visit district;
Second access modules is used for only allowing correspondence to read described tag storage district when the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining when being readable;
The 3rd access modules is used for allowing the described tag storage of corresponding read-write district when the access limit in the tag storage district of the described tag storage district access password correspondence of obtaining when being read-write.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100475897A CN102122365A (en) | 2011-02-28 | 2011-02-28 | Method for accessing label storage area in radio frequency identification system and label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100475897A CN102122365A (en) | 2011-02-28 | 2011-02-28 | Method for accessing label storage area in radio frequency identification system and label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102122365A true CN102122365A (en) | 2011-07-13 |
Family
ID=44250919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100475897A Pending CN102122365A (en) | 2011-02-28 | 2011-02-28 | Method for accessing label storage area in radio frequency identification system and label |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102122365A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646208A (en) * | 2012-02-20 | 2012-08-22 | 江苏凯路威电子科技有限公司 | RFID (Radio Frequency Identification Device) chip password protection method |
| CN103500349A (en) * | 2013-10-15 | 2014-01-08 | 重庆市城投金卡信息产业股份有限公司 | RFID (radio frequency identification) digital information read-write security control method and device, and reader-writer |
| CN104281862A (en) * | 2014-10-10 | 2015-01-14 | 国家电网公司 | Segmented continuous writing and protecting method of ultrahigh frequency RFID memory zone |
| CN105516205A (en) * | 2016-01-27 | 2016-04-20 | 中国计量学院 | Oiling machine remote monitoring system based on web (WEB) |
| CN105740925A (en) * | 2016-01-27 | 2016-07-06 | 杭州市余杭区质量计量监测中心 | NFC (Near Field Communication) based fueling machine overhaul record management system |
| CN108551517A (en) * | 2012-02-23 | 2018-09-18 | 自由沃尔斯有限公司 | Mobile communication equipment |
| US10893045B2 (en) | 2013-08-29 | 2021-01-12 | Liberty Labs Limited | System for accessing data from multiple devices |
| CN114298071A (en) * | 2021-12-29 | 2022-04-08 | 中国电信股份有限公司 | Data processing method and device, radio frequency electronic tag and radio frequency identification system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159032A (en) * | 2007-10-16 | 2008-04-09 | 上海华申智能卡应用系统有限公司 | Radio frequency label memory structure controlled by transmit encrypt and accessing authority |
| CN101198971A (en) * | 2005-06-14 | 2008-06-11 | Nxp股份有限公司 | Transponder system for transmitting key-encrypted information and associated keys |
| CN101246557A (en) * | 2008-03-10 | 2008-08-20 | 陆航程 | EPC enciphering code, RFID chip anti-collision method, structure and reader-writer and system |
| JP2009271829A (en) * | 2008-05-09 | 2009-11-19 | Sony Ericsson Mobilecommunications Japan Inc | Ic card reader/writer device, mobile communication terminal, ic card management method, ic card management program, and ic card |
-
2011
- 2011-02-28 CN CN2011100475897A patent/CN102122365A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198971A (en) * | 2005-06-14 | 2008-06-11 | Nxp股份有限公司 | Transponder system for transmitting key-encrypted information and associated keys |
| CN101159032A (en) * | 2007-10-16 | 2008-04-09 | 上海华申智能卡应用系统有限公司 | Radio frequency label memory structure controlled by transmit encrypt and accessing authority |
| CN101246557A (en) * | 2008-03-10 | 2008-08-20 | 陆航程 | EPC enciphering code, RFID chip anti-collision method, structure and reader-writer and system |
| JP2009271829A (en) * | 2008-05-09 | 2009-11-19 | Sony Ericsson Mobilecommunications Japan Inc | Ic card reader/writer device, mobile communication terminal, ic card management method, ic card management program, and ic card |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646208B (en) * | 2012-02-20 | 2015-04-15 | 江苏凯路威电子科技有限公司 | RFID (Radio Frequency Identification Device) chip password protection method |
| CN102646208A (en) * | 2012-02-20 | 2012-08-22 | 江苏凯路威电子科技有限公司 | RFID (Radio Frequency Identification Device) chip password protection method |
| CN108551517A (en) * | 2012-02-23 | 2018-09-18 | 自由沃尔斯有限公司 | Mobile communication equipment |
| CN108551517B (en) * | 2012-02-23 | 2021-12-17 | 自由沃尔斯有限公司 | System, readable medium, mobile communication device and method of accessing partitions thereon |
| US10979550B2 (en) | 2012-02-23 | 2021-04-13 | TapNav Ltd | Mobile communication device |
| US10893045B2 (en) | 2013-08-29 | 2021-01-12 | Liberty Labs Limited | System for accessing data from multiple devices |
| CN103500349B (en) * | 2013-10-15 | 2017-02-15 | 重庆市城投金卡信息产业股份有限公司 | RFID (radio frequency identification) digital information read-write security control method and device, and reader-writer |
| CN103500349A (en) * | 2013-10-15 | 2014-01-08 | 重庆市城投金卡信息产业股份有限公司 | RFID (radio frequency identification) digital information read-write security control method and device, and reader-writer |
| CN104281862B (en) * | 2014-10-10 | 2017-07-14 | 国家电网公司 | A kind of segmentation of ultrahigh frequency RFID memory field is continued and guard method |
| CN104281862A (en) * | 2014-10-10 | 2015-01-14 | 国家电网公司 | Segmented continuous writing and protecting method of ultrahigh frequency RFID memory zone |
| CN105740925A (en) * | 2016-01-27 | 2016-07-06 | 杭州市余杭区质量计量监测中心 | NFC (Near Field Communication) based fueling machine overhaul record management system |
| CN105516205A (en) * | 2016-01-27 | 2016-04-20 | 中国计量学院 | Oiling machine remote monitoring system based on web (WEB) |
| CN114298071A (en) * | 2021-12-29 | 2022-04-08 | 中国电信股份有限公司 | Data processing method and device, radio frequency electronic tag and radio frequency identification system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102122365A (en) | Method for accessing label storage area in radio frequency identification system and label | |
| CN100501758C (en) | Communication method for reader and tag in RFID system | |
| JP4907268B2 (en) | Wireless IC memory, access device for wireless IC memory, and access control method | |
| CN101145192B (en) | Smart radio-frequency identification infrastructure and method | |
| US7872582B1 (en) | RFID tag chips and tags with alternative memory lock bits and methods | |
| US9024731B1 (en) | RFID tags and readers employing QT command to switch tag profiles | |
| US9959435B1 (en) | Location-based access to RFID tag information | |
| CN101064000B (en) | Identification system and identification method | |
| US20110050400A1 (en) | Rfid portal system with rfid tags having various read ranges | |
| EP2030456B1 (en) | Rfid tag user memory indication | |
| CN103164780A (en) | Warehouse system using radio frequency identification devices (RFID) | |
| CN102222260B (en) | Passive ultra-high frequency radio frequency identification (RFID) electronic tag chip special for vehicle and control method | |
| CN102629332A (en) | Radio frequency identification (RFID) anti-fake method | |
| KR101276878B1 (en) | apparatus and method for action control of RFID system | |
| CN103033823A (en) | Positioning label of radio frequency identification (RFID) and positioning system thereof | |
| US9824246B2 (en) | Radio frequency identification tag having input device | |
| CN101976362A (en) | Radio frequency identification tag access method based on bitmap and device | |
| CN203276293U (en) | Intelligent positioning management device for test tube | |
| JP5244392B2 (en) | Method for operating an RFID system | |
| CN201054152Y (en) | A RF electronic label | |
| CN101937516A (en) | Authentication method and system in passive ultrahigh frequency radio frequency identification system | |
| CN105279464A (en) | Chess manual recording system and method | |
| Zharinov et al. | Using RFID Techniques for a Universal Identification Device | |
| CN103226718A (en) | System and method for managing RFID tags | |
| KR20150066750A (en) | Apparatus and method for controlling power supply of RFID tag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110713 |