CN106599982A - Dynamic counting method and apparatus - Google Patents
Dynamic counting method and apparatus Download PDFInfo
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- CN106599982A CN106599982A CN201610903220.4A CN201610903220A CN106599982A CN 106599982 A CN106599982 A CN 106599982A CN 201610903220 A CN201610903220 A CN 201610903220A CN 106599982 A CN106599982 A CN 106599982A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
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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
- G06K17/0022—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 arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—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 arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
Abstract
In an embodiment, a dynamic counting method can comprise the steps of: receiving a first plurality of unique identifiers from a first plurality of RFID tags; associating a subset of the unique identifiers into a set of associated identifiers, wherein the set of the associated identifiers has a total number of associated identifiers; receiving a second plurality of unique identifiers from a second plurality of RFID tags; determining a total number of associated identifiers in the second plurality of unique identifiers; determining that the total number of the associated identifiers in the second plurality of unique identifiers is greater than or equal to a predetermined number; upon such determination, determining that the total number of the associated identifiers in the second plurality of unique identifiers is less than or equal to a percentage of the total number of the associated identifiers of the set; and providing a notice of an error.
Description
Technical field
The present invention relates to a kind of dynamic itemset counting method and apparatus, believes for obtaining commodity accurate inventory more particularly, to a kind of
The dynamic itemset counting method and apparatus of breath.
Background technology
For retailer, it is important that understand the accurate inventory information with regard to the article in their shop guaranteeing
The article that they have correct number can be sold to client.In some cases, it is also important that, retail shop understands them
Shop in concrete place in accurate inventory.It is, for example possible to use accurate total shop stock come it is determined that when from
Source outside shop (for example, from home-delivery center, directly from manufacturer or from TPL supplier) order item.In shop
It is interior, it is possible to use the accurate inventory in transaction Room place comes it is determined that when article is moved on to transaction Room place from rear storehouse to make
Obtain client's purchasable item.
Retailer is generally to the article counting in different shop places establishing accurate inventory sometime.Retailer connects
The article that tracking out of and into shop place is to keep to their stock relative to given value when carrying out all counting
Existing understanding.However, stock's error is easy to be attributed to many factors (enters and leaves place comprising stolen, correct identification
The error of article and the correct error for counting the article for entering and leaving place) and with time integral.Therefore, stock's degree of accuracy
Reduce with the time.
The new technique of such as RF identification (RFID) can improve shop stock.Generally, the shop of RFID is disposed using hand-held
Reading labeled article, this is referred to as cycle count to formula RFID reader.But sometimes store employee fails to read and expects
The whole labels read during cycle count.For example, store employee can read the whole labels in jeans area, but forget
Read the label for hanging jeans on the top of the shelf.Therefore, when complete cycle count is not carried out, even if such as RFID
Technology is also easily affected by stock's error.It is desirable, therefore, to assure that cycle count and other methods to label counting are intactly entered
OK, and inventory information is accurate and easily accessible.
The content of the invention
The present invention relates to a kind of method and reader.On the one hand, the method is may include from more than first RF identification
(RFID) label receives more than first unique identifier；By the subset associations of the unique identifier in more than first unique identifier
Into the set of relevant identifier, the set of associated identifier has total several relevant identifiers；From more than second RFID tag
Receive more than second unique identifier；It is determined that the sum of the relevant identifier being present in more than second unique identifier；It is determined that
The sum of the relevant identifier being present in more than second unique identifier is more than or equal to predetermined quantity；When it is determined that being present in
When the sum of the relevant identifier in more than two unique identifier is more than or equal to predetermined quantity, it is determined that being present in more than second only
Predetermined percentage of the sum of the relevant identifier in one identifier less than or equal to the sum of the relevant identifier of the set；With
And the notice of error is provided.
In one aspect of the method, the method may include to receive more than first unique identifier from more than first label；By
In the set of the subset associations to relevant identifier of the unique identifier in more than one unique identifier, the set of associated identifier
With total several relevant identifiers；More than second unique identifier is received from more than second label；It is determined that being present in more than second
The sum of the relevant identifier in unique identifier；It is determined that the relevant identifier being present in more than second unique identifier is total
Number is more than or equal to predetermined quantity；When it is determined that the relevant identifier being present in more than second unique identifier sum be more than or
During equal to predetermined quantity, it is determined that the sum of the relevant identifier being present in more than second unique identifier is less than or equal to the collection
The predetermined percentage of the sum of the relevant identifier of conjunction；And the notice of error is provided.
In one aspect of the method, the equipment may include at least one antenna, and which is configured to：First signal is launched to first
Multiple RFID tags；From more than first unique identifier of more than first RFID tag；Secondary signal is launched to more than second
Individual RFID tag；From more than second unique identifier of more than second RFID tag；And it is operably coupled to this at least
The processor of one antenna, the processor are configured to：By the subset associations of the unique identifier in more than first unique identifier
Into the set of relevant identifier, the set of associated identifier has total several relevant identifiers；It is determined that being present in more than second
The sum of the relevant identifier in unique identifier；It is determined that the relevant identifier being present in more than second unique identifier is total
Number is more than or equal to predetermined quantity；When it is determined that the relevant identifier being present in more than second unique identifier sum be more than or
During equal to predetermined quantity, it is determined that the sum of the relevant identifier being present in more than second unique identifier is less than or equal to the collection
The predetermined percentage of the sum of the relevant identifier of conjunction；And generate the instruction of the notice that error is provided.
From detailed description provided below it will be clear that the other application field of this device and system.It should be appreciated that
These describe in detail and although instantiation indicates the preferred embodiments of the present invention, but are only intended for illustration purpose,
And be not intended to limit the scope of the present invention.
Description of the drawings
The device and system of the present invention will be more fully understood by the detailed description and the accompanying drawings, wherein：
Fig. 1 is the system according to one embodiment.
Fig. 2 is the block diagram of the system according to one embodiment.
Fig. 3 is the flow chart of the method according to one embodiment.
Fig. 4 A are the transaction Rooms according to one embodiment.
Fig. 4 B are the curve charts of the label read with the time according to one embodiment.
Specific embodiment
What the following description of preferred embodiment was substantially merely exemplary, and it is in no way intended to limit the present invention or this paper institutes
The invention stated.The description of illustrative embodiment is intended to read in conjunction with the accompanying, and the accompanying drawing is considered the portion of whole word descriptions
Point.In the description of exemplary embodiment disclosed herein, description is easy to reference to merely meaning that to any of direction or orientation,
And it is in no way intended to limit the scope of the present invention.Space relative terms (such as " bottom ", " above ", " level ", " vertical ", " on
Side ", " below ", " upwards ", " downward ", " left side ", " right side ", " top ", " bottom ", " above " and " below " and they
Derivative (for example, " flatly ", " downward ", " upwards " etc.)) should be interpreted to refer to when discussing in figure subsequently description or
Shown orientation.These relative terms are intended merely to facilitate description, and are not required for certain orientation being somebody's turn to do to construct or operate
Equipment, unless otherwise expressly indicated.Such as " be attached ", " adhesion ", " connection ", " coupling ", " interconnection ", the term of " fixation " and
Other similar terms refer to wherein structure directly with one another or by intervening indirectly fixed structure or the relation that is attached and removable
Dynamic or rigid attachment or relation, unless otherwise being expressly recited.The discussion of this paper is described and illustrate can be individually or with spy
Some the possible non-limiting combinations for the feature that other combinations levied are present.In addition, as used herein, term "or" is solved
It is that true time result just one is set to genuine logical operator to be interpreted as in its one or more operands.
Fig. 1 shows the system 11 according to one embodiment.In the exemplary embodiment, system 11 includes being taken by user 16
The handheld RFID reader 10 of band.Reader 10 can read the RFID tag 12 for being attached to product 14.Each label 12 has
There is the unique identifier that can be associated with the product 14 for being attached with label 12.In this embodiment, label 12 is attached to and is suspended on business
Product 14 on shelf in shop.The system may also include the e- labels 13 (or electronic label) for being attached with label 12.
Fig. 2 provides the block diagram of the system 11 according to one embodiment.Reader 10 includes antenna 102, and which can be by modulation
Back-scattered signal send to label 12 and as response can be from the read range of reader 10 each label 12 receive
Unique identifier.Can count for following cycle and repeat this program.In this embodiment, label 12 is passive RFID tags and only
One identifier is electronic product code (EPC).Reader 10 can further include analog circuit 106, and which is operatively coupled to
Antenna 102 is for processing the signal that is received from antenna 102 or processor 104 and for signal is provided to 102 He of antenna
Processor 104.
The processor 104 of reader 10 is operably coupled to antenna 102 and analog circuit 106.In exemplary embodiment
In, antenna 102, analog circuit 106 and processor 104 be in single housing, but in other embodiments, these parts can
In different housings.Processor 104 is also operably coupled to host computer system 20, and processor 104 can provide data to main frame
System 20 and processor 104 can be from 20 receiving data of host computer system.In certain embodiments, the part of processor 104 can be located at
In reader 10, and other parts are located in host computer system 20 or other places.Host computer system 20 can provide instruction and read
The disposal ability not having on device 10.Hereinafter with reference to Fig. 3 functions that can be performed by processor 104 discussed in further detail.Place
Reason device 104 can be arranged to any kind of properly programmed processing meanss for performing computer program instructions (for example, code),
Such as computer or microprocessor.During processor 104 can be embodied in the hardware of any suitable type and can include formed
The common accessory of whole required for performance data processing meanss, including but not limited to bus, software and data storage
Device (such as volatibility and nonvolatile memory), input/output device, graphic user interface (GUI), detachable data are deposited
Storage device, and including the wiredly and/or wirelessly communication interface of Wi-Fi, bluetooth, LAN etc..Processor 104 is using concrete
Algorithm is configured for performing its function.
Reader 10 and system 11 are not limited to above-described embodiment.In other embodiments, reader 10 can be for can be with electricity
Sub- form receives unique identifier from label 12 and processes any device of unique identifier as described herein.In a reality
In example, reader 10 can be fixed and non-hand-held.In addition, system 11 can use the identification technology in addition to RFID, it is all
Such as bar codes technique.Term " RFID tag " may refer to passive, active or semi-passive RFID tag or appointing using RF identification
What other types of label.In other embodiments, system 11 can be provided using non-RFID tag or electronically only
Any device of one identifier.Unique identifier can be any identifier that can uniquely identify label associated with it 12.
In addition, label 12 is attached to any object, or any object is not attached at all.In addition, reader 10 can using one with
Upper antenna 102 is providing necessary communication.In addition, backscatter of the system 11 without using modulation, but can use and be enough to transmit
Any communication technology of unique identifier.
Fig. 3 shows the method 200 for detection error according to one embodiment.Illustrative methods 200 are related to RFID
Cycle count, but it is as discussed above, it is possible to use other technologies.First, perform cycle count (operation 202).Operation 202
Cycle count may include to read multiple labels and thus receive multiple corresponding unique identifiers.
In addition, creating the set of relevant identifier.Relevant identifier is son of the previous receipt from the unique identifier of label
Collection.Relevant identifier can be based on many factors and associate.In one embodiment, identifier can be associated with each other based on the time.
For example, in environment, if the similar time read or receive a group identifier, then this may indicate that identifier to it is related
Product is associated.In another embodiment, identifier can be closed based on the attribute codes of the part for forming each relevant identifier
Connection.For example, identifier can be EPC code, and attribute codes can be the part of the EPC code for referring to certain product category.
In an example, with 1100 unique EPC codes, (wherein EPC code is mark to the reading of first time cycle count
Know symbol) 1100 labels.In 1100 EPC codes of first time cycle count, 100 such EPC codes are closed each other
Join to form the set of definition, therefore cause the set of 100 relevant identifiers corresponding with 100 unique EPC codes.Here reality
In example, 100 EPC codes of the set are corresponding with 100 unique items (for example, jeans) in common product category, and
And therefore referred to as jeans set.
Fig. 3 is back to, after the set (operation 204) for creating relevant identifier, second cycle count (operation is carried out
206).Second cycle count can be carried out in similar to the region for wherein carrying out first time cycle count.As first time is followed
Ring count, second cycle count can be any method that unique identifier is electronically obtained from label.
Processor can determine which relevant identifier (these identifiers associated after first time cycle count) (if
If having) it is present in second cycle count, and thereby determine that the relevant identifier being present in second cycle count
Sum (" running total ") (operation 208).In here operation, processor can check read during second cycle count every
Individual identifier and then compare the set of these second cycle count identifier and relevant identifier.
Processor can determine that whether running total (being present in the sum of the relevant identifier in second cycle count) is big
In or be equal to predetermined quantity (operation 210).This operation can be used to determine whether second cycle count is intended to read the set
Relevant identifier.For example, if first time cycle count is performed to first side in shop and the opposite side to shop carries out second
Secondary cycle count, then (from first time cycle count) relevant identifier may not be read during second cycle count.
In this case, the data and the relevant identifier from first time cycle count from second cycle count need not be compared
Set.In the exemplary embodiment, when the set of relevant identifier is defined first, predetermined quantity can be set to 1 as just
Beginningization is operated.Therefore, if one or more relevant identifiers are found in the identifier of nearest cycle count, then meet this
Condition.If zero relevant identifier is found in the identifier of nearest cycle count, then be unsatisfactory for this condition, and the program
May return to operation 204.
If meeting the condition of operation 210, processor can be based on the sum of the relevant identifier in the set (sometimes
Referred to as " set sum ") making determination.In the exemplary embodiment, processor determines that running total (is present in and follows for the second time
The sum of the relevant identifier in ring count) whether less than or equal to the predetermined percentage (operation 212) for gathering sum.Such as it is based on
More early cycle count (or repeatedly counting), set sum can represent the sum of the product in such as certain product category.Predetermined hundred
Divide than wishing to be still present in its stock with the shop when cycle count (current, nearest cycle count) next time is performed
These products percentage ratio.
More early example is back to, wherein 100 relevant identifiers are read in first time cycle count to form jeans
Set, through one week since first time cycle count.Perform second cycle count for wherein reading 1000 labels.
In such 1000 labels read during second cycle count, 90 read in 100 relevant identifiers are related
Identifier.Therefore, running total (sum of the relevant identifier being present in second cycle count) is 90.In this example
In, remaining 10 relevant identifiers are not read in second cycle count, this is possibly due to relative article and sells, misses
Put or stolen.In this example, predetermined quantity is 1.Therefore, if reading one or more relevant identifiers, then meet this
Part, thereby indicate that the cycle count is intended to include the cycle count with the label of jeans set associative.Because 90 is (current total
Number) more than 1 (predetermined quantity), so meeting this condition.
In this example, (may include effective sale amount, restock and/or contraction data) based on historical data, shop
Wish more than the 80% of these jeans labels (that is, being included in the label in the jeans set of label) being previously read still
In shop, (20% jeans have been sold or have thought to shrink, and contraction refers to and is attributed to stolen (such as), damage or generally cannot
Positioning product and the loss of product that may not resale).It is as discussed above, because reader is in second cycle count
Jeans label is read, so the system postulation reader is just performing the cycle count including jeans set.In this example,
The system wish reader read more than 80 jeans label (80 expression the set in 100 relevant identifiers altogether
In 80%).If present in the relevant identifier (that is, in jeans set of the set in current (for the second time) cycle count
Label identifier) sum (running total) less than or equal to 80, then this nearest cycle count of instruction fails completely
Read all previous relevant identifier in jeans set and the imperfect cycle count of jeans set occurs.For example,
Store employee may read the label of the jeans in jeans area, but have ignored the mark for reading the jeans on shelf
Sign.This event can cause stock control obvious errors occur.The system provides a kind of side for recognizing this low effective circulation counting
Method.
If meeting the condition of operation 210 and 212, then the notice (operation 214) of error can be provided.The notice can be to appoint
The notice (for example, electronic notification) of what type, it include sending to reader or the user interface of host computer system message or listen
The sound that must be seen.When error or imperfect cycle count is notified, user can adopt remedial measures, and perform including (such as) new
, more complete cycle count.
On the other hand, if being unsatisfactory for operating 210 or 212 condition, Notice Of Discrepancy is not provided, and can be used from most
The data of nearly cycle count are updating collective data.Jeans example discussed above is back to, if present in previous cycle
In the sum of relevant identifier of jeans set be zero, then assume that being not intended to the cycle count includes jeans collection
The label of conjunction, and Notice Of Discrepancy is not provided.In addition, if the relevant identifier of the jeans set being present in previous cycle
Total (running total) is 90 (more than 80), then this nearest cycle count of instruction intactly reads the previous related mark of jeans
Sign.
The method that the relevant identifier of the set is associated is not limited to by previous embodiment by which.Can be by be enough to create mark
Relevant identifier is associated by any amount of factor for knowing the subclass of symbol.Some example factors are discussed below.In addition, real
Example can include two or more cycle counts and the related mark associated based on two or more cycle counts
Know symbol.
Fig. 4 A show the embodiment for the transaction Room 400 using the method and reader.In this embodiment, explanation
The region in the transaction Room 400 with man's jeans article.Man's jeans article is located at man's jeans area 402 and neutralizes three
At independent shelf 404a, 404b, 404c.It should be appreciated that article can be organized in the transaction Room in any number of ways
400。
Fig. 4 B show the curve chart of the man's jeans label read with the time represented by line 450.As can be seen when
Between at the cycle 452, start to read continuous, extremely multiple labels, the reading is finally tapered off.This represents man's jeans area
Label is read in 402.At the time cycle 454, label is not read, represent that reader moves to the first shelf 404a.In week time
The short pulse of label at phase 456, is read, is represented.At the time cycle 458, mark is not read
Sign, represent that reader moves to the second shelf 404b.Another short pulse of label at the time cycle 460, is read, is represented the
Label is read at two shelf 404b.At the time cycle 462, label is not read, represent that reader moves to the 3rd shelf 404c.
Last pulse of label at time cycle 464, is read, is represented.Recordable label
Identifier and correlation reception time, and identifier can be associated into set using this information.
Illustrative methods 200 can receive the time to create relevant identifier using the read access time of respective labels or identifier
Set.For example, identifier can be associated by method 200, this is because their read access time and model of action discussed above
(extremely repeatedly reading with three short pulses) correspondence.Then, if reading following cycle counts jeans area 402, shelf
404a and shelf 404b still ignores shelf 404c, then the system will be recognized that
(expected percentage of the running total of the label of the jeans set read during counting from following cycle less than set sum
Than) and indicate error or imperfect cycle count.
In other embodiments, identifier can be associated into set based on other time correlative factor.For example, can be only
Based on whether label is read in continuous and/or predetermined time cycle or based on the different model of action and/or reading for reading
Identifier is associated by interruption.Read access time or reception time may refer to and reads problematic label or receive its unique mark
Any time of the association in time of symbol.
Can also (or alternatively) based on the attribute codes of the part for forming each relevant identifier come by the correlation of the set
Identifier is associated.In one suchembodiment, each label will be respectively provided with EPC code.EPC code will be including attribute generation
Code, the attribute codes refer to specific productss classification.Some labels will share common attribute codes.When cycle count is performed,
Processor will recognize with predicable code these labels, and thus by the EPC code (identifier) of label be grouped to
In set.Therefore, the EPC code of joint product classification will be associated in set together.This association based on attribute codes can be tied
Close time-based association discussed above.For example, if in label identifier shared attribute code and predetermined time cycle
Read the standard identifier, then they can be associated.Attribute codes are not limited to EPC code and can be to form label unique
Any identifier of the part of identifier.In addition, attribute codes can be associated with any characteristic of product or label itself.For example,
Attribute codes can be associated with the product category of man's blueness jeans so that whole labels of the man's blueness jeans in shop
Predicable code is respectively provided with as the part of their unique identifier.
Can also (or alternatively) relevant identifier of the set is associated based on e- labels or electronic label.It is back to Fig. 1,
Show the e- labels for being attached with label 12.E- labels can be fixed label or other fixed objects for being attached with label.This is
System can first by the label association read in time when reading e- labels that is close to.By this means, can be by near e- labels
Label is associated.In addition, the system can screen label based on product stock unit or SKU.That is, e- labels identifier can first with
One or more products SKU is associated, and each label identifier can be associated with product SKU.Drawing the initial set of identifier
After conjunction, the system can remove some label identifiers, the product SUK of these label identifiers from the set of relevant identifier
One of the product SKU of e labels is not corresponding with being associated with.(such as in addition to the time) is by using e labels and examining based on SKU
Consider, some can be overcome difficult.For example, the label of non-resultant product may be positioned to close to each other and therefore read in the similar time.
By being screened based on SKU, (such as in addition to the time) can better assure that the identifier in set is related.In addition,
The method is fully adapted to the new label into system (and entering shop).With the introducing of new label, new label identifier can
Associate with appropriate SKU and without the need for updating the information associated with e labels (e labels will continue to associate with identical SKU).E labels
Therefore identifier will be associated with these the new identifiers for being associated with identical SKU.In some cases, this may be than directly by e
Label is associated with EPC code and is easier, and when directly associating e labels with EPC code, the system will be needed whenever new label enters
Enter the system and just update the EPC code associated with e labels.In other embodiments, the association of identifier can be based further on category
Property code.
The disclosed embodiments provide some advantages.In addition to error or imperfect cycle count notice are provided, implement
Example definitely can indicate to be not present in nearest cycle count from which identifier of set.In addition, embodiment can be processed
Extremely multiple identifiers, and notice is provided when identifier field (shelfs of the man's jeans in such as such as Fig. 4 A) are missed.Separately
Outward, compared with the more dense method of other labour forces, embodiment will appreciate that model of action and suitable for different shop cloth
Office and article newly-increased recently.Above-described embodiment is can be additionally used in reader, host computer system or other place report stock's results,
To detect and remedy loss on disposal or for other purposes.
Above-described embodiment can be additionally used in providing the consumer with information.For example, if the consumer in shop is just using shop
Related smart phone application program, then the transceiver for being connected to e labels can send the signal to the smart phone of consumer, from
And the notice of product nearby is provided and reward voucher is provided or other quotations is provided based on the known stock of Related product.
Although describing the present invention by reference to instantiation, it should be appreciated to those skilled in the art that the present invention is deposited
In many variations and displacement.It should be appreciated that other embodiments can be utilized and in the situation without departing from the scope of the present invention
Under can make 26S Proteasome Structure and Function modification.Therefore, should be as essence of the invention be construed broadly as described in appended claims
God and protection domain.
Claims (20)
1. a kind of method, which includes：
More than first unique identifier is received from more than first RFID tag；
It is by the set of the subset associations to relevant identifier of the unique identifier in more than first unique identifier, related
The set of identifier has total several relevant identifiers；
More than second unique identifier is received from more than second RFID tag；
It is determined that the sum of the relevant identifier being present in more than second unique identifier；
It is determined that the sum of the relevant identifier being present in more than second unique identifier is more than or equal to pre-
Fixed number amount；
When it is determined that the sum of the relevant identifier being present in more than second unique identifier is more than or equal to
During the predetermined quantity, it is determined that the sum of the relevant identifier being present in more than second unique identifier is little
In or equal to the set relevant identifier it is described sum predetermined percentage；And
The notice of error is provided.
2. method according to claim 1, counts wherein receiving more than first unique identifier and forming circulation for the first time
Several parts, receives the part that more than second unique identifier forms second cycle count.
3. method according to claim 1, wherein the predetermined quantity is 1.
4. method according to claim 1, wherein the relevant identifier of the set is based on receiving described first
The reception time of multiple unique identifiers and associate.
5. method according to claim 4, wherein the reception time of the relevant identifier occur in the scheduled time
In cycle.
6. method according to claim 4, wherein the reception Time Continuous of the relevant identifier occur.
7. method according to claim 4, wherein the reception time of the relevant identifier is according to model of action
Occur, the model of action includes the interruption of reception time.
8. method according to claim 4, wherein the reception time of the relevant identifier occur receiving described
Before the interruption of more than first unique identifier or after the interruption of reception more than first unique identifier.
9. method according to claim 1, wherein the relevant identifier of the set is based on being formed described in each
The attribute codes of the part of relevant identifier and associate.
10. method according to claim 9, wherein the attribute codes are associated with product category.
11. methods according to claim 9, wherein the relevant identifier of the set is also based on reception described first
The reception time of multiple unique identifiers and associate.
12. methods according to claim 1, wherein the relevant identifier of the set is based on following item and associates：
A () receives the reception time of more than first unique identifier；(b) with read fixed object on fixed labels associate when
Between；And (c) stock unit.
13. methods according to claim 12, wherein reception time of the relevant identifier occur with reading
In the scheduled time of the time of the label association in the fixed object.
14. methods according to claim 12, wherein the relevant identifier of the set is also based on forms each institute
State the attribute codes of the part of relevant identifier and associate.
A kind of 15. methods, which includes：
More than first unique identifier is received from more than first label；
By in the set of the subset associations to relevant identifier of the unique identifier in more than first unique identifier,
The set of the associated identifier has total several relevant identifiers；
More than second unique identifier is received from more than second label；
It is determined that the sum of the relevant identifier being present in more than second unique identifier；
It is determined that the sum of the relevant identifier being present in more than second unique identifier is more than or equal to pre-
Fixed number amount；
When it is determined that the sum of the relevant identifier being present in more than second unique identifier is more than or equal to
During the predetermined quantity, it is determined that the sum of the relevant identifier being present in more than second unique identifier is little
In or equal to the set relevant identifier it is described sum predetermined percentage；And
The notice of error is provided.
16. methods according to claim 15, wherein the relevant identifier of the set is based on when described first
Time that multiple unique identifiers are received and associate.
17. methods according to claim 15, wherein the relevant identifier of the set is to be based on to form each institute
State the attribute codes of the part of relevant identifier and associate.
A kind of 18. RFID readers, which includes：
At least one antenna, which is configured to：
First signal is launched to more than first RFID tag；
More than first unique identifier is received from more than first RFID tag；
Secondary signal is launched to more than second RFID tag；
More than second unique identifier is received from more than second RFID tag；And
Processor, which is operably coupled at least one antenna, and the processor is configured to：
By in the set of the subset associations to relevant identifier of the unique identifier in more than first unique identifier,
The set of the associated identifier has total several relevant identifiers；
It is determined that the sum of the relevant identifier being present in more than second unique identifier；
It is determined that the sum of the relevant identifier being present in more than second unique identifier is more than or equal to pre-
Fixed number amount；
When it is determined that the sum of the relevant identifier being present in more than second unique identifier is more than or equal to
During the predetermined quantity, it is determined that the sum of the relevant identifier being present in more than second unique identifier is little
In or equal to the set relevant identifier it is described sum predetermined percentage；And
Generate the instruction of the notice that error is provided.
19. readers according to claim 18, wherein the antenna and the processor are surrounded by housing.
20. readers according to claim 18, wherein the relevant identifier of the set is described based on receiving
The reception time of more than first unique identifier and associate.
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