CN106485293A - A kind of control method of write operation, device and equipment - Google Patents
A kind of control method of write operation, device and equipment Download PDFInfo
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- CN106485293A CN106485293A CN201510546507.1A CN201510546507A CN106485293A CN 106485293 A CN106485293 A CN 106485293A CN 201510546507 A CN201510546507 A CN 201510546507A CN 106485293 A CN106485293 A CN 106485293A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000011069 regeneration method Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 17
- 230000008439 repair process Effects 0.000 claims description 9
- 238000004886 process control Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 4
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
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Abstract
The invention provides a kind of control method of write operation, device and equipment, the method includes：Obtain the state of the general output pin GPO from equipment；When the state of GPO is first state, controlled using the write operation interrupting when control flow fails to the write operation carrying out wireless near field communication NFC from equipment；When the state of GPO is the second state, the write operation when write operation carrying out NFC from equipment being failed using Timer Controlling flow process is controlled；Second state is different from first state.The present invention is to provide one kind from equipment to be capable of real-time monitoring by the failure of NFC main equipment RF write operation; and realize to the treatment mechanism itself realizing self-regeneration; solve at present when equipment is passed through RF fast write operation by main equipment; the abnormal conditions of write operation failure often occur, and the existing problem that cannot judge from equipment by the failure of NFC main equipment write operation self-regeneration.
Description
Technical field
The present invention relates to communication technical field, particularly to a kind of control method of write operation, device and equipment.
Background technology
At present, a vital period has been stepped in the development of mobile payment industry, and is based on low coverage
Mobile payment from radio communication (NFC) technology has become as a kind of development trend.With smart mobile phone and
The popularization of other smart terminal product, the range of application of current NFC technique is also no longer limited to mobile payment
Category, market is supported the terminal unit of NFC technique gets more and more, and in operator to support NFC
The promotion of the demand of communication apparatus under, the large-scale promotion of NFC technique and application will become following
Development trend.
At present, the NFC terminal majority on market is applied in the form of a label, but these terminals are only
It is available to function, the continuous application with NFC technique and the popularization of one reading of main equipment, subsequently will
The end product more carrying read-write capability occurs.In multiple investigation with it was found that, writing NFC's
Application (APP) frequently quickly goes to write another when equipment it may appear that writing the scene of NFC failure, and
Now go content from the NFC of equipment for the reading that is to say, that read-write operation can not be recovered, this is right
For product, it is a very serious defect.
It is all passive for reading and writing for from equipment end, and main equipment end is promoter's often local side
Equipment, is therefore difficult to require main equipment end to go to change its existing standing procedure, does not also mark accordingly at present
Concrete operations after the accurate write operation to radio frequency (RF) is interrupted carry out specification.Therefore, for from equipment
For manufacturer, it is badly in need of designing a kind of testing mechanism by itself, to judge to be write behaviour by NFC main equipment
Fail, and be capable of self-regeneration from equipment.
Content of the invention
The invention provides a kind of control method of write operation, device and equipment, its purpose is to solve mesh
Front from equipment by main equipment pass through radio frequency fast write operation when, the abnormal conditions of write operation failure often occur,
And existing from equipment cannot judge by NFC main equipment write operation failure and self-regeneration problem.
In order to achieve the above object, The embodiment provides a kind of control method of write operation, the party
Method includes：
Obtain the state of the general output pin GPO from equipment；
When the state of GPO is first state, carried out closely no to from equipment using interrupting control flow
Write operation during the write operation failure of line communication NFC controls；
When the state of GPO is the second state, carry out NFC's using Timer Controlling flow process to from equipment
Write operation during write operation failure controls；Second state is different from first state.
Further, first state is connected with the CPU from equipment for GPO；Second state does not have for GPO
Have and be connected with the CPU from equipment.
Further, the write operation when write operation carrying out wireless near field communication NFC from equipment being failed
The step controlling includes：
To detection when equipment carries out write operation failure and self-regeneration.
Further, the step of detection when equipment carries out write operation failure and self-regeneration is included：
Obtain the user area data length value L of the NFC chip from equipment, and judge whether L is legal；
If L is illegal, judges the write operation failure of NFC and user area data is repaired；
If L is legal, read the user area data of L byte length；
If reading the write operation success successfully judging NFC, and the user area data reading is protected
Deposit；
If reading unsuccessful, judging the write operation failure of NFC and user area data is repaired.
Further, judge the whether legal step of L, specifically include：
If L is more than zero and is less than the maximum data length value of the data field of this NFC chip, judge that L closes
Method；Otherwise, it is determined that L is illegal.
Further, step user area data repaired includes：
Obtain the data of the user area that last write operation is preserved, content is preserved to user area.
To achieve these goals, present invention also offers a kind of control device of write operation, this device includes：
Acquisition module, for obtaining the state of the general output pin GPO from equipment；
First operation module, for when the state of GPO is first state, using interruption control flow pair
Write operation when equipment carries out the write operation failure of wireless near field communication NFC controls；
Second operation module, for when the state of GPO is the second state, using Timer Controlling flow process
The write operation when write operation carrying out NFC from equipment is failed controls；Second state is different from first state.
Further, first state is connected with the CPU from equipment for GPO；Second state does not have for GPO
Have and be connected with the CPU from equipment.
Further, the first operation module and the second operation module all include：
Write operation control module, for the write operation failure carrying out wireless near field communication NFC from equipment
When write operation control；
The write operation when write operation carrying out wireless near field communication NFC from equipment is failed controls concrete bag
Include：
To detection when equipment carries out write operation failure and self-regeneration.
Further, write operation control module includes：
Acquiring unit, for obtaining the user area data length value L of the NFC chip from equipment, and judges L
Whether legal；
First identifying unit, for L illegal when, judge NFC write operation failure and to user area number
According to being repaired；
Reading unit, for L legal when, read L byte length user area data；
Second identifying unit, during for reading successful, judges the write operation success of NFC, and to reading
User area data is preserved；
3rd identifying unit, during for reading unsuccessful, judges the write operation failure of NFC and to user area
Data is repaired.
Further, the first identifying unit and reading unit all include：
Judging submodule, is more than zero for L and is less than the maximum data length of the data field of this NFC chip
During value, then judge that L is legal；Otherwise, it is determined that L is illegal.
Further, the first identifying unit and the 3rd identifying unit all include：
Repair subelement, for repairing to user area data, concrete operations include：The acquisition last time is write
Operate the data of preserved user area, content is preserved to user area.
To achieve these goals, present invention also offers a kind of equipment, including NFC chip, also include
The control device of above-mentioned write operation.
The such scheme of the present invention at least includes following beneficial effect：
The control method of write operation that the present invention provides, device and equipment, be provide one kind from equipment can
Realize real-time monitoring by the failure of NFC main equipment RF write operation, and realize realizing self-regeneration to itself
Treatment mechanism, solves at present when equipment is passed through RF fast write operation by main equipment, often occurs and write behaviour
Make failure abnormal conditions, and existing from equipment cannot judge by NFC main equipment write operation failure and oneself
The problem that I repairs；And the different situations whether present invention is connected with the CPU from equipment for GPO take
Two kinds of control flows：Timer Controlling flow process and interruption control flow, in the situation that need not change system hardware
Under, realize the real-time monitoring from equipment and self-regeneration.
Brief description
Fig. 1 represents the basic step flow chart of the embodiment one of the control method of the write operation of the present invention；
Fig. 2 represents the basic step flow chart of the embodiment two of the control method of the write operation of the present invention；
Fig. 3 represents right in step 202 in step 102 in Fig. 1, step 103 and Fig. 2, step 203
The basic step flow chart of the step of detection when equipment carries out write operation failure and self-regeneration；
Fig. 4 represents the composition structural representation of the control device of write operation provided in an embodiment of the present invention.
Specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
The present invention is directed at present when equipment is passed through radio frequency fast write operation by NFC main equipment, often occurs
The abnormal conditions of write operation failure, and existing from equipment cannot judge by NFC main equipment write operation failure
And the problem of self-regeneration, there is provided a kind of control method of write operation, device and equipment, make real from equipment
Existing real-time monitoring is by the failure of NFC main equipment RF write operation, and self-regeneration.
Under normal circumstances, NFC device has a general output pin GPO, but the GPO of some equipment
It is connected with the CPU of system, have is not then connected, for this situation, the present invention adopts two kinds
Write operation when control flow fails to the write operation carrying out NFC from equipment controls.
Referring to Fig. 1, the embodiment of the present invention one provides a kind of control method of write operation, and the method includes：
Step 101, obtains the state of the general output pin GPO from equipment；
Step 102, when the state of GPO is first state, is entered to from equipment using interrupting control flow
Write operation during the write operation failure of row wireless near field communication NFC controls；
Step 103, when the state of GPO is the second state, using Timer Controlling flow process to from equipment
Carry out NFC write operation failure when write operation control；Second state is different from first state.The present invention
Above-described embodiment in, first determine whether whether the GPO pin of the NFC chip of the system has used, this
Individual judgement can be controlled by compiling macro, or is directly directly fixed in software according to true service condition,
It is allowed to select a kind of scheme.After judging the connection of GPO pin, further according to connection choosing
Select corresponding control flow, be to provide one kind from equipment to be capable of real-time monitoring by NFC main equipment RF
Write operation failure, and realizes to the treatment mechanism itself realizing self-regeneration, solve existing from equipment no
Method judges the problem by the failure of NFC main equipment write operation self-regeneration.
In the above embodiment of the present invention, in step 102 and step 103, carry out closely to from equipment
The step that write operation during the write operation failure of radio communication NFC controls includes：
To detection when equipment carries out write operation failure and self-regeneration.
Referring to Fig. 2, the embodiment of the present invention two provides a kind of control method of write operation, in the reality of the present invention
The first state applied in example one is connected with the CPU from equipment for GPO, the second state for GPO not with
When the CPU of equipment connects, the method includes：
Step 201, obtains the state of the general output pin GPO from equipment；
Step 202, when GPO is with being connected from the CPU of equipment, using interrupting control flow, to from setting
The standby detection carrying out during write operation failure and self-regeneration.
Step 203, when GPO is with being connected from the CPU of equipment, using Timer Controlling flow process, to from
Equipment carries out detection and self-regeneration during write operation failure.
In the above embodiment of the present invention, using interrupting control flow in step 202, need to be in system initialization
During, setting GPO pin be interrupt signal input pin, and arrange down trigger condition be upper
Rise along triggering；Register a new interrupt number for GPO pin, and register an interrupt processing for this interrupt number
Function, realizes monitoring in this interrupt processing function by the failure of NFC main equipment write operation, and completes self
Repair function.
In the above embodiment of the present invention, in step 203, adopt Timer Controlling flow process, need to be initial in system
During change, create and initialize interval time parameter (the i.e. time-out of an intervalometer and this intervalometer
Time), this parameter is used for intervalometer and scans, for example, be set as 1s, then will timing every 1s intervalometer
Run-down, and register a timer processing function for this intervalometer.After starting intervalometer, according to upper
Whether the write operation stating interval time parameter scan round monitoring NFC fails, and in timer processing function
The middle detection realizing NFC and self-regeneration function.
In the above embodiment of the present invention, in step 202 and step 203, carry out closely to from equipment
The step that write operation during the write operation failure of radio communication NFC controls includes：
To detection when equipment carries out write operation failure and self-regeneration.
As shown in figure 3, in step 102 and step 202, to detection when equipment carries out write operation failure
Include with the step of self-regeneration：
In interrupt processing function, in order to prevent in detection and repair process by extraneous NFC main equipment institute
Interrupt, need first to close the RF function from equipment.Once closing RF function, outside main equipment is just not
Can be read and write from equipment by RF.In addition it is also necessary to the NFC interrupt bit of shielding harness, it is so
System just no longer response external interrupt signal.
Step 301, obtains the user area data length value L of the NFC chip from equipment, and judges that L is
No legal；Specifically, if L is more than zero and is less than the maximum data length value of the data field of this NFC chip,
Then judge that L is legal；Otherwise, it is determined that L is illegal；
Step 302, if L is illegal, judges the write operation failure of NFC and user area data is carried out
Repair；
Step 303, if L is legal, reads the user area data of L byte length；
Step 304, if read the write operation success successfully judging NFC, and to the user area read
Data is preserved；
Wherein, the user area data reading is preserved, be in order to returning when occurring later reading and writing unsuccessfully
Write use.
Step 305, if reading unsuccessful, judging the write operation failure of NFC and user area data is entered
Row is repaired.
Further, carry out reparation to user area data in step 405 to specifically include：
The user area that the L byte data from the reading of NFC user area that last time is preserved is written back to NFC.
Wherein, after step 305, can also include：Open RF function, allow system response external NFC
The RF read-write operation of main equipment, and open NFC interrupt mask bit, allows system response external NFC master
The read-write interrupt signal of equipment, waits read-write operation next time.
Wherein, during write-back, in addition it is also necessary to by write-back in addition to needing to write the user content of preservation
The length of content is write in the length field of corresponding user area, if length field is incorrect, then main equipment
In the process reading as the length field reading leads to operation failure for illegal value.
As shown in figure 3, in step 103 and step 203, to detection when equipment carries out write operation failure
Include with the step of self-regeneration：
In timer processing function, in order to prevent in detection and repair process by extraneous NFC main equipment
Interrupted, need first to close, from the RF function of equipment.Once closing RF function, outside main equipment is just
Can not be read and write from equipment by RF.
Step 301, obtains the user area data length value L of the NFC chip from equipment, and judges that L is
No legal；Specifically, if L is more than zero and is less than the maximum data length value of the data field of this NFC chip,
Then judge that L is legal；Otherwise, it is determined that L is illegal；
Step 302, if L is illegal, judges the write operation failure of NFC and user area data is carried out
Repair；
Step 303, if L is legal, reads the user area data of L byte length；
Step 304, if read the write operation success successfully judging NFC, and to the user area read
Data is preserved；
Wherein, the user area data reading is preserved, be in order to returning when occurring later reading and writing unsuccessfully
Write use.
Step 305, if reading unsuccessful, judging the write operation failure of NFC and user area data is entered
Row is repaired.
Further, carry out reparation to user area data in step 305 to specifically include：
The user area that the L byte data from the reading of NFC user area that last time is preserved is written back to NFC.
Wherein, after step 305, can also include：Open RF function, allow system response external master to set
Standby RF read-write operation, and restart intervalometer, allow system start timing wait scanning next time
Cycle arrives.
Wherein, during write-back, in addition it is also necessary to by write-back in addition to needing to write the user content of preservation
The length of content is write in the length field of corresponding user area, if length field is incorrect, then main equipment
In the process reading as the length field reading leads to operation failure for illegal value.
Under normal circumstances, NFC main equipment is write during equipment by RF, if it happens writes failure,
Main equipment all can by the data length of the user area from the NFC of equipment (data length is 2 bytes,
This two bytes are in the foremost being placed on user area) it is rewritten as 0, or FEFE (hexadecimal), because
This, in the above embodiment of the present invention, judge the whether legal step of L, specifically include：
If L is more than zero and is less than the maximum data length value of the data field of this NFC chip, judge that L closes
Method；Otherwise, it is determined that L is illegal.
Therefore, when the write operation having NFC unsuccessfully occurs, obtain the user that last write operation is preserved
The data in area, content is preserved to user area, thus realizing the function of self-regeneration.
Referring to Fig. 4, present invention also offers a kind of control device of write operation, this device includes：
Acquisition module 111, for obtaining the state of the general output pin GPO from equipment；
First operation module 112, for when the state of GPO is first state, using interruption controlling stream
Write operation when journey fails to the write operation carrying out wireless near field communication NFC from equipment controls；
Second operation module 113, for when the state of GPO is the second state, using Timer Controlling
Write operation when flow process fails to the write operation carrying out NFC from equipment controls；Second state and first state
Different.
Further, first state is connected with the CPU from equipment for GPO；Second state does not have for GPO
Have and be connected with the CPU from equipment.
Further, the first operation module 112 and the second operation module 113 all include：
Write operation control module, for the write operation failure carrying out wireless near field communication NFC from equipment
When write operation control；
The write operation when write operation carrying out wireless near field communication NFC from equipment is failed controls concrete bag
Include：
To detection when equipment carries out write operation failure and self-regeneration.
Further, write operation control module includes：
Acquiring unit, for obtaining the user area data length value L of the NFC chip from equipment, and judges L
Whether legal；
First identifying unit, for L illegal when, judge NFC write operation failure and to user area number
According to being repaired；
Reading unit, for L legal when, read L byte length user area data；
Second identifying unit, during for reading successful, judges the write operation success of NFC, and to reading
User area data is preserved；
3rd identifying unit, during for reading unsuccessful, judges the write operation failure of NFC and to user area
Data is repaired.
Further, the first identifying unit and reading unit all include：
Judging submodule, is more than zero for L and is less than the maximum data length of the data field of this NFC chip
During value, then judge that L is legal；Otherwise, it is determined that L is illegal.
Further, the first identifying unit and the 3rd identifying unit all include：
Repair subelement, for repairing to user area data, concrete operations include：The acquisition last time is write
Operate the data of preserved user area, content is preserved to user area.
To achieve these goals, present invention also offers a kind of equipment, including NFC chip, also include
The control device of above-mentioned write operation.
It should be noted that the control device of write operation provided in an embodiment of the present invention is should in aforementioned manners
Device, that is, all embodiments of said method be all applied to this device, and all can reach and same or analogous have
Beneficial effect.
The above is the preferred embodiment of the present invention it is noted that common skill for the art
For art personnel, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (13)
1. a kind of control method of write operation is it is characterised in that include：
Obtain the state of the general output pin GPO from equipment；
When the state of described GPO is first state, carried out from equipment to described using interrupting control flow
Write operation during the write operation failure of wireless near field communication NFC controls；
When the state of described GPO is the second state, entered from equipment to described using Timer Controlling flow process
Write operation during the write operation failure of row NFC controls；Described second state is different from described first state.
2. the control method of write operation according to claim 1 is it is characterised in that described first shape
State is connected with the CPU from equipment for GPO；Described second state be described GPO not with from equipment
CPU connects.
3. the control method of write operation according to claim 1 and 2 is it is characterised in that described right
The step bag that write operation when the described write operation carrying out wireless near field communication NFC from equipment fails controls
Include：
To described detection when equipment carries out write operation failure and self-regeneration.
4. write operation according to claim 3 control method it is characterised in that described to described
The step of detection when equipment carries out write operation failure and self-regeneration includes：
Obtain the user area data length value L of the described NFC chip from equipment, and judge whether L is legal；
If L is illegal, judges the write operation failure of NFC and described user area data is repaired；
If L is legal, read the user area data of L byte length；
If reading the write operation success successfully judging NFC, and the user area data reading is protected
Deposit；
If reading unsuccessful, judging the write operation failure of NFC and described user area data is repaired.
5. the control method of the write operation of NFC as claimed in claim 4 is it is characterised in that described sentence
The whether legal step of disconnected L, specifically includes：
If L is more than zero and is less than the maximum data length value of the data field of this NFC chip, judge that L closes
Method；Otherwise, it is determined that L is illegal.
6. write operation as claimed in claim 4 control method it is characterised in that described to described use
The step that family area data is repaired includes：
Obtain the data of the user area that last write operation is preserved, described content is preserved to user area.
7. a kind of control device of write operation is it is characterised in that include：
Acquisition module, for obtaining the state of the general output pin GPO from equipment；
First operation module, for when the state of described GPO is first state, using interruption controlling stream
Journey controls to write operation during the described write operation failure carrying out wireless near field communication NFC from equipment；
Second operation module, for when the state of described GPO is the second state, using Timer Controlling
Flow process controls to write operation during the described write operation failure carrying out NFC from equipment；Described second state with
Described first state is different.
8. the control device of write operation according to claim 7 is it is characterised in that described first shape
State is connected with the CPU from equipment for GPO；Described second state be described GPO not with from equipment
CPU connects.
9. the control device of the write operation according to claim 7 or 8 is it is characterised in that described
One operation module and the second operation module all include：
Write operation control module, for the write operation failure carrying out wireless near field communication NFC from equipment
When write operation control；
Described to carry out from equipment wireless near field communication NFC write operation failure when write operation control tool
Body includes：To described detection when equipment carries out write operation failure and self-regeneration.
10. the control device of write operation according to claim 9 is it is characterised in that write operation controls
Module includes：
Acquiring unit, for obtaining the user area data length value L of the described NFC chip from equipment, and
Judge whether L is legal；
First identifying unit, for L illegal when, judge NFC write operation failure and to described user
Area's data is repaired；
Reading unit, for L legal when, read L byte length user area data；
Second identifying unit, during for reading successful, judges the write operation success of NFC, and to reading
User area data is preserved；
3rd identifying unit, during for reading unsuccessful, judges the write operation failure of NFC and to described use
Family area data is repaired.
The control device of 11. write operations as claimed in claim 10 is it is characterised in that described first sentences
Order unit and reading unit all include：
Judging submodule, is more than zero for L and is less than the maximum data length of the data field of this NFC chip
During value, then judge that L is legal；Otherwise, it is determined that L is illegal.
The control device of 12. write operations as claimed in claim 10 is it is characterised in that described first sentences
Order unit and the 3rd identifying unit all include：
Repair subelement, for repairing to described user area data, concrete operations include：Obtain upper one
The data of the user area that secondary write operation is preserved, described content is preserved to user area.
A kind of 13. equipment, including：NFC chip is it is characterised in that also include：As claim 7-12
The control device of the write operation described in any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546507.1A CN106485293A (en) | 2015-08-31 | 2015-08-31 | A kind of control method of write operation, device and equipment |
| PCT/CN2016/086459 WO2017036234A1 (en) | 2015-08-31 | 2016-06-20 | Write operation control method, device and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546507.1A CN106485293A (en) | 2015-08-31 | 2015-08-31 | A kind of control method of write operation, device and equipment |
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| Publication Number | Publication Date |
|---|---|
| CN106485293A true CN106485293A (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510546507.1A Pending CN106485293A (en) | 2015-08-31 | 2015-08-31 | A kind of control method of write operation, device and equipment |
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| CN (1) | CN106485293A (en) |
| WO (1) | WO2017036234A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1454472B1 (en) * | 2001-12-13 | 2006-05-03 | Matsushita Electric Industrial Co., Ltd. | Communications device, method and program for receiving process execution, and computer-readable recording medium having same program recorded thereon |
| KR100631607B1 (en) * | 2004-11-22 | 2006-10-09 | 엘지전자 주식회사 | How to save phonebook data in mobile communication terminal |
| CN101814036A (en) * | 2010-03-09 | 2010-08-25 | 广州市聚晖电子科技有限公司 | RF remote upgrading method and system |
| CN102446280B (en) * | 2010-09-30 | 2016-03-23 | 西门子公司 | A kind of method of verification msg, Apparatus and system |
| CN102592358A (en) * | 2011-01-04 | 2012-07-18 | ***通信集团公司 | Method, system and device for writing electronic data |
| CN103929526A (en) * | 2013-01-11 | 2014-07-16 | 辉达公司 | Mobile phone, method and system for radio frequency identification |
-
2015
- 2015-08-31 CN CN201510546507.1A patent/CN106485293A/en active Pending
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- 2016-06-20 WO PCT/CN2016/086459 patent/WO2017036234A1/en active Application Filing
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|---|---|
| WO2017036234A1 (en) | 2017-03-09 |
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