CN100585654C - Self-checkout terminal - Google Patents

Abstract

The invention provides a self-checkout terminal. A process is executed in which a weight value transmitted from a scale device having a placing part for placing an article, is stored in a memory as a former weight under predetermined condition, when an article code is input through a user interface, a price and a weight range corresponding to the input article code is searched from an article data file, a weight check is executed in which whether or not a weight difference between a weight value acquired by placing the article code input article on the placing part and the former weight stored in the memory falls within the searched weight range, and an article information registration process is executed only when the weight check is gone through. As for the predetermined condition may include not only before the first input of the article code in one transaction and when it is determined that the weight value is within the weight range as a result of the weight check process, but also when it is determined that the weight value received from the scale device decreases compared to the former weight.

Description

Self-checkout terminal

Technical field

The present invention relates to allow the client to carry out self-checking self-checkout terminal.

Background technology

In recent years, developed the self-checkout terminal that the permission client carries out self-checking (self-checkout).Arranged to be used to carry out the various user interfaces that the article sales data is handled, made it possible to operate, send for the client provides information and receipt by the client.Announce No.P2004-086728 with reference to TOHKEMY.As various user interfaces, the clearing part that article sign indicating number reader such as barcode reader is provided, is used for the display of display message, the importation that is used for input information, being used to such as the reception/packing that is used for coin and bank note (dispensing) device makes it possible to settle accounts, receipt printer or the like.

In addition, need measurement to prevent misoperation, that is, the take-home article of client should be limited to the article that its article sign indicating number is read by article sign indicating number reader, that is, should be limited to by the article sales data and handle the article of buying.For such measurement, TOHKEMY announces that No.Hei 09-245251 discloses the invention that prevents misoperation by the weight of checking article, reads its article sign indicating number by article sign indicating number reader.Disclosed method will be based on the article sign indicating number that is read by article sign indicating number reader in second patent documentation, from product data file, obtain the weight data of article such as PLU (price lookup table) file etc., after having read the article sign indicating number, to take by weighing the weight of article, and the execution weight check is to check by the weight of weight data appointment and the consistance between the actual weight that takes by weighing.

When considering the operation naturally of self-checkout terminal, the operation of expectation is that article are retained on platform balance (scale) device after its article sign indicating number is read by article sign indicating number reader.That is to say that placing the placement part of reading yard article should be the placement part of platform balance device, and it will transport all article from placement part automatically when having finished settlement process.

Yet if adopted such operation, all article that read must be placed on the placement part of platform balance device, till finishing once transaction.If removed from placement part before finishing transaction and read article, then the result who is taken by weighing by the platform balance device will change, and will not carry out correct weight check.Therefore, traditional self-checkout terminal is measured, and makes when finishing transaction before to remove when reading yard article from placement part, and execution error informs, and suspends article sales data processing subsequently.For the problem that can not carry out correct weight check before finishing transaction when placement part is removed sign indicating number input article, this measurement can not bring basic solution.Yet, at least can be by the reason of error informing to the customer notification mistake is provided.

On the contrary, as the result of the test operation of self-checkout terminal, the application's applicant finds, removed this situation of reading yard article from placement part and often take place before finishing transaction, especially betides the client with child.That is, have many situations, wherein, during father and mother operated self-checkout terminal, child took the snacks that originally are placed on the placement part etc. away from placement part.

In view of said circumstances, expectation is used for the basic measures of following problem, when wherein having removed sign indicating number input article before finishing once transaction, because the change of the value that the platform balance device is taken by weighing can not be carried out correct weight check.

Summary of the invention

Under removing the situation of article (its article sign indicating number is read and is placed on the placement part), placement part also can correctly carry out weight check even an object of the present invention is before closing the trade.

Self-checkout terminal of the present invention comprises: (a) settlement terminal comprises the user interface that is used to import the article sign indicating number; And (b) platform balance device, be provided for placing the placement part of the article that its article sign indicating number has been transfused to by user interface, be used to measure the weight that is placed on the article on the placement part, and the gravimetric value that is used for recording is sent to settlement terminal, wherein, it is performed will be stored as last weight from the gravimetric value that the platform balance device transmits under predetermined condition, wherein, when by user interface input article sign indicating number, carry out i) the search processing, be used for searching for corresponding price and weight range from storing with the product data file of corresponding price of each article sign indicating number and weight with rewriteeing; Ii) weight check is handled, and is used for determining whether be included in the weight range that obtains by the search processing from the gravimetric value of platform balance device transmission and the difference of the gravimetric value between the last weight that storer is stored; And iii) Item Information registration process, be used in the result who handles as weight check, determine that gravimetric value is included under the condition in the weight range, store the Item Information of the price that comprises the article sign indicating number of input and in storer, search, and, wherein, predetermined condition is in the following condition one: in transaction before the input first time of article sign indicating number, when being used as result for weight inspection department reason and determining that gravimetric value is included in the weight range and when definite gravimetric value from the reception of platform balance device has minimizing with respect to last weight.

The self-checkout terminal of another aspect of the present invention comprises: (a) settlement terminal has the user interface that is used to import the article sign indicating number; (b) platform balance device is provided for placing the placement part of the article that its article sign indicating number has been transfused to by user interface, and is used to measure the weight that is placed on the article on the placement part and the gravimetric value that records is sent to settlement terminal; And (c) inform part, being used for execution error informs, wherein, it is performed with under predetermined condition, to store as last weight from the gravimetric value that the platform balance device transmits, wherein, when by user interface input article sign indicating number, carry out i) the search processing, be used for searching for corresponding price and weight range from storing with the product data file of corresponding price of each article sign indicating number and weight with rewriteeing; Ii) weight check is handled, and is used for determining whether be included in the weight range that obtains by the search processing from the gravimetric value of platform balance device transmission and the difference of the gravimetric value between the last weight that storer is stored; And iii) Item Information registration process, be used in result as the weight check processing, determine that gravimetric value is included under the interior condition of weight range, store the Item Information of the price that comprises the article sign indicating number of input and in storer, search, wherein, after having imported article by user interface, when definite gravimetric value that receives from the platform balance device reduces to some extent with respect to last weight, it is performed and comes by allowing to inform that the part execution error informs the transformation of cancelling to the Item Information registration process, wherein, when when the gravimetric value that receives from platform balance behind the error informing increases, it is performed by using the gravimetric value that increases to carry out weight check and handles, restart the transformation of Item Information registration process, and, wherein, predetermined condition is: in transaction before the first time of the article sign indicating number input, when perhaps being used as result for weight inspection department reason and determining that gravimetric value is included in the weight range.

Description of drawings

Because the present invention is when considering in conjunction with the accompanying drawings, become better understood by the following detailed description of reference, thus will easily obtain the more complete understanding of the present invention and its many bonus, in the accompanying drawing:

Fig. 1 is the exemplary plot that the overall system structure of embodiments of the invention is shown;

Fig. 2 is the planimetric map of layout that each part of self-checking system is shown;

Fig. 3 is the skeleton view that self-checkout terminal is shown;

Fig. 4 is the skeleton view that the platform balance device is shown;

Fig. 5 illustrates the skeleton view that shopping bag is supported on the state on the sway brace;

Fig. 6 is the block diagram that the electric hardware configuration of settlement terminal is shown;

Fig. 7 (A) is the exemplary plot that the example of product data file (PLU (price lookup table) file) is shown;

Fig. 7 (B) is the exemplary plot that the example of product data file (weight data file) is shown;

Fig. 8 is the exemplary plot that the electric hardware configuration of platform balance device is shown;

Fig. 9 is the process flow diagram that the flow process of the self-checking processing in the self-checkout terminal is shown;

Figure 10 is the exemplary plot that is illustrated in the demonstration transformation example when carrying out the self-checking processing in the self-checkout terminal;

Figure 11 illustrates about initial demonstration that will be placed on the article on the interim mounting table and the exemplary plot that reads the affirmation demonstration;

Figure 12 is the process flow diagram of flow process that the processing of the weight data that reception obtains from the platform balance device is shown, and this flow process is included in during weight check handles;

Figure 13 (A) is the exemplary plot that the example of weight check file is shown;

Figure 13 (B) is the exemplary plot that another example of weight check file is shown;

Figure 14 is the process flow diagram that the example of weight check treatment scheme is shown;

Figure 15 illustrates when article that its bar code also is not read are placed on the mounting table of platform balance device, the exemplary plot of the example that the result's who handles as weight check weight check mistake shows;

Figure 16 is illustrated in the process flow diagram of example that the weight check treatment scheme in (stand-by) stage is prepared in article packs;

Figure 17 is the process flow diagram that another example of weight check treatment scheme is shown;

Figure 18 be illustrate when article by when mounting table is removed, the exemplary plot of the example that the result's who handles as weight check weight check mistake shows;

Figure 19 is the process flow diagram of another example that is illustrated in the weight check treatment scheme of article packs preparatory stage;

Figure 20 (A) illustrates about the initial demonstration of the article (placement location is a mounting table) of exempting weight check and reads and confirm the exemplary plot that shows;

Figure 20 (B) illustrates about the initial demonstration of the article (placement location is the floor) of exempting weight check and reads and confirm the exemplary plot that shows;

Figure 21 is that the demonstration that illustrates when the packing article are carried out the self-checking processing changes the exemplary plot that shows;

Figure 22 is the exemplary plot that the example of the cancellation demonstration that has occurred when having touched cancel button is shown;

Figure 23 (A) is illustrated in the exemplary plot that the salesman who has occurred when having touched call button calls out the example of demonstration (call out and select); And

Figure 23 (B) is illustrated in the exemplary plot that the salesman who has occurred when having touched call button calls out the example of demonstration (in the calling).

Embodiment

With reference to Fig. 1 to 23 embodiments of the invention are described.

To explain embodiment according to following project.

1, system architecture

(1) overview of system architecture

(2) self-checkout terminal

2, self-checking is handled

(1) the basic routine of self-checking processing

(2) demonstration of self-checking processing changes

(3) weight check is handled

(i) first example

(ii) another example

What (iii) weight check was handled skips

(4) by showing the Item Information registration of input

(5) packing Item Information registration

(i) input method of packing article

(ii) second weight check is handled

(6) (assignment) assigned in cancellation

(7) call out appointment

(8) clearing

Hereinafter, will be according to making an explanation to begin a project.

1, system architecture

(1) overview of system architecture

Fig. 1 is the exemplary plot that overall system structure is shown.The system of present embodiment is constructed to make and connects a plurality of self-checking systems 11, a plurality of POS terminal 21 and storehouse controller 31 by communication network 41.

Self-checking system 11 is constructed to make waiter's terminal 501 is assigned to a plurality of self-checkout terminals 101.Self-checkout terminal 101 comprises settlement terminal 201 and platform balance device 301.

Fig. 2 is the planimetric map of layout that each part of self-checking system 11 is shown.In self-checking system 11 of the present invention, waiter's terminal 501 is assigned to four self-checkout terminals 101.In this self-checking system 101, arrange a pair of self-checkout terminal 101 with client's passage 121, and the front end of every pair of self-checkout terminal 101 toward each other, sandwich client's passage 121 with paralleling.

End at client's passage 121 is arranged waiter's terminal 501.Waiter's terminal 501 is that its outward appearance is the form of personal computer, and it has host machine part 502, the display 503 as the display part, keyboard 504 and as fixed point (pointing) device 505 of controller.

The client can be via client's passage 121 each self-checkout terminal 101 of visit.For example, when the client wants to use from the client visual angle self-checking system 101 of arranging in the lower left quarter office of client's passage (promptly, be arranged in the upper right portion of Fig. 2) time, the client is through client's passage 121, before standing in self-checkout terminal 101, and after he finishes the self-checking processing, leave left side or right side to go to waiter's terminal 601.

(2) self-checkout terminal

Fig. 3 is the skeleton view that self-checkout terminal 101 is shown.Self-checkout terminal 101 comprises settlement terminal 201 and platform balance device 301.

Settlement terminal 201 has shell 202, extends article basket mounting table 102 in its left side.On the upper surface of article basket mounting table 102, form L shaped outshot 103, the position of its decision basket.

The shell 202 of settlement terminal 201 comprises the littler upper case 202b on base shell 202a that is placed on the floor surface and the upper surface that is placed on base shell 202a.The front surface of base shell 202a recedes, and makes that the raised areas of base shell 202a is more down narrow more.Thus, base shell 202a is more down just more by the back skew.

Various user interfaces are provided on upper housing 202b.Promptly, arranged the bar code scanner 203 as article sign indicating number reader in left side, the printer cover 204 and the observation camera 205 on right side, and between bar code scanner 203, printer cover 204 and observation camera 205, arranged card reader 206 and numerical key 207 as the clearing part.Bar code scanner 203 is erect type scanners, as the article sign indicating number reader that is used to read the article sign indicating number that sticks on the article.Provide receipt to send device 208 to printer cover 204.Receipt printer 251 (see figure 6)s are accommodated among the upper housing 202b, the rear section of printer cover 204.Send device 208 from receipt and send the receipt (not shown) of printing by receipt printer 251.Printer cover 204 is removably attached with respect to upper housing 202b, and dismantles by the pulling process of trap (flap).Card reader 206 is carried out the wireless communication with the non-contact IC card (not shown), and carries out read and write on non-contact IC card.For example, non-contact IC card can the store electrons currency, and it has the value that equates with cash.Representative is held the antenna (not shown) at the back of part of " card " shown in the circle of Fig. 3 to part, and antenna is carried out and the wireless communication of non-contact IC card.Numerical key 207 is used for input personal identification number when using non-contact IC card to settle accounts.

Have liquid crystal panel, be fixed to upper case 202b as the LCD 120 of display part.LCD 210 has the touch panel 211 as the importation on its display surface, and has card reading slot 212 on its right side.In card reading slot 212, hold card reader/writer 252 (see figure 6)s as the clearing part.Card reader/writer 252 reads in the information such as card number and personal identification number of storing in the magnetic card such as credit card.

In base shell 202a, hold reception/packaging device 221 (see figure 6)s that are used for coin and bank note.As the part of reception/packaging device 221, arrange coin entry 213 at the middle upper surface place of base shell 202a, arrange coin dispenser 214 on the right side of coin entry 213.In addition, arrange back-note feeder 215 and bank note dispenser 216 in the office, right front top of base shell 202a.Reception/packaging device 221 has carries out coin and the mechanism of bank note disposal and the controller (both are all not shown) of controlling this mechanism.Because the known processing of being carried out by mechanism that is similar to this and controller will be so will omit its explanation.

Install as the display pole 217 of informing part from the rear surface of base shell 202a, be used to show the current state of self-checkout terminal 101.Display pole 217 has radiating portion 218, and blueness and redness are optionally launched in its top.

Fig. 4 is the skeleton view that platform balance device 301 is shown.On the top of platform balance shell 302, be equipped with platform balance dish 303, and shopping bag support 304 is fixed to platform balance dish 303, to constitute platform balance device 301.Platform balance dish 303 has mounting table 303a on the surface thereon.Shopping bag support 304 is fixed to mounting table 303a.Therefore, when from the angle of shopping bag support 304, platform balance dish 303 constitutes pedestals.That is, arm support 305 is installed in the center section of mounting table 303a back, and the interim mounting table 306 that is used to place article is fixed to the top of arm support 305.The upper surface of interim mounting table 306 is to be used for the interim platform of placing article after the bar code of article is read by bar code scanner 203.The two plays the part of the role of the placement part that is used to place the article that its article sign indicating number has been read mounting table 303a and interim mounting table 306.

Pair of support arms 307 and hook 308 are fixed to the rear surface of interim mounting table 306.That is, arm fixed part 309 is fixed to the both-side ends of the rear surface of interim mounting table 306.For example, realize the fixing of arm fixed part 309 by screw, tackifier or various fixing means.Sway brace 307 is arranged in each arm fixed part 309.And hook fixed part 310 is fixed on the center section of the rear surface of interim mounting table 306.For example, realize linking up with the fixing of fixed part 310 by screw, tackifier or various fixing means.And link up with 308 be arranged in the hook fixed part 310.

Fig. 5 is the skeleton view of the state when shopping bag 401 as pouch being shown being supported on the sway brace 307.Shopping bag 401 has opening 402 and a pair of handle 403, and it is folded in the place, both sides of shopping bag 401.The shopping bag such as polybag etc. that provides to the client in the supermarket can be provided sway brace 307 piercingly.In addition, 405 places of the perforation between the handle 403 are removably formed a pair of ear 406, and in these ears 406, form hole 407 at this.Penetrate hook 308 by hole 407, so that use sway brace 307 to support shopping bag 401.

Fig. 6 is the block diagram that the electric hardware configuration of settlement terminal 201 is shown.Settlement terminal 201 portion within it has controller 235 as message handler.For example, controller 235 can be wherein to have write the semiconductor chip structure of the sequence of operation or the microcomputer architecture of operating by the running program that is stored in middle storages such as RAM 254.Here, will the controller 235 of microcomputer architecture be described.

The core of controller 253 is CPU (CPU (central processing unit)) 255.In CPU 255, connect ROM (ROM (read-only memory)) 256, the RAM 254 (random access memory) that is used for to store variable data that is used for to store regularly fixed data, VRAM (video-ram) 257 and the HDD (hard disk drive) 258 that is used to be created on the display image that shows on the LCD (LCD) 210 via system bus 259 with rewriteeing.As example, (all not shown except PLU file PF and weight data file WDF) such as HDD 258 storage operation programs, various display frame, PLU (price lookup table) file PF (seeing 7 (A)), category file, weight data file WDF (seeing Fig. 7 (b)), image file, sale files, and when carrying out initialization operation, these running programs, various display frame and various Rule Informations etc. are sent to RAM 254, so that use.Constitute the product data file such as various files such as PLU file PF (seeing 7 (A)), category file, weight data file WDF (seeing Fig. 7 (b)), image file, sale file.

Whether the PLU file PF that constitutes the product data file can store with the corresponding article of the article sign indicating number of specifying each article with rewriteeing and show, be discount article, discounted cost, M﹠amp; M (mixed and coupling) information and price.Article show the text data of the title comprise article and by the view data of the article of article sign indicating number appointment.

The category file of formation product data file can be stored with rewriteeing and whether the corresponding price of classification sign indicating number, the article of each article show, are discount article, discounted cost, M﹠amp; M (mixed and coupling) information etc.The classification sign indicating number is not stored among the PLU file PF.Article show the text data of the title comprise article and by the view data of the article of categorical data appointment.

Fig. 7 (A) is the exemplary plot that the example of the PLU file PF that constitutes the product data file is shown.PLU file PF storage is corresponding to article demonstration, price and the view data of article sign indicating number.It is the text data that is equivalent to the title of respective articles that article show.View data is the view data of respective articles.As another example, PLU file PF can comprise category file.

Fig. 7 (B) is the exemplary plot that the example of the weight data file WDF that constitutes the product data file is shown.Weight data file storage predetermined weight (g, gram), the definition of whether carrying out weight check, article placement location definition (skipping pack), can permit type definition, upper limit allowance value, lower limit allowance value and weight updating mark.As another example, weight data file WDF can comprise PLU file PF and section (section) file.

Predetermined weight (g) storage is by the predetermined value of the weight of the article of article sign indicating number appointment.

As mentioned above, the definition of whether carrying out weight check is to store the definition information of whether carrying out weight check accordingly with each article sign indicating number.The controller 253 of self-checkout terminal 101 is interpreted as " 0 " " not carrying out weight check ", and " 1 " is interpreted as " carrying out weight check " during whether definition carries out weight check.As the example of the article of not checking its weight, be article too light or that be not suitable for weighing, perhaps too heavy and thereby be difficult to be sent to the article of the mounting table 303a of platform balance device 301.As another example, the definition of whether carrying out weight check can be included in PLU file PF.

Which placement location article placement location definition (pack is skipped) has defined and should be used for the article that its bar code has been read by bar code scanner 203.Placement location is mounting table 303a (zero gravity is skipped), interim mounting table 306 (weight is skipped (weighing)) or floor (weight is skipped (weight)).The controller 253 of self-check terminal 101 is during whether definition carries out weight check, " 0 " is interpreted as mounting table 303a (zero gravity is skipped), " 1 " is interpreted as interim mounting table 306 (weight is skipped (weighing)), and " 2 " are interpreted as floor (weight is skipped (weight)).As another example, the definition of article placement location can be included in PLU file PF.In addition, as another example, the characteristic information of stores in PLU file PF, as easily split, easily broken, yielding or heavy, and article placement location definition interim mounting table 306 is defined as be used for easily splitting, the easy placement location of broken or yielding article, and the floor is defined as the placement location that is used for heavy article.In addition, as another example, when the predetermined weight of storing among the weight by weight data file WDF was heavier, the definition floor was as the placement location of the article that are used for being read.

Allowance value type definition is that the permitted scope that defines with respect to predetermined weight (g) should be a ratio, or the information of higher limit and lower limit.That is, in weight check is handled, carry out the weight comparison process between the weight of actual weight that takes by weighing by platform balance device 301 and storage in predetermined weight (g).At this moment, definition is with respect to the permitted scope of predetermined weight (g).According to the definition of in can allowance value type definition, storing, obtain to permit scope from ratio, or obtain to permit scope from preset upper limit value and lower limit with respect to the gravimetric value of storage the predetermined weight (g).

The upper limit can the allowance value and lower limit can the storage of allowance value be used for the value information of definition with respect to the permitted scope of predetermined weight (g).When can allowance value type definition taking with respect to the ratio of the gravimetric value of storage in the predetermined weight (g) as can permit scope the time, the value that be stored in higher limit and the lower limit will be the value of number percent magnitude.And when can allowance value type definition taking particular value as with respect to the higher limit of the gravimetric value of storage in the predetermined weight (g) and lower limit the time, the value that be stored in higher limit and the lower limit will be this particular value itself.

Whether the storage of weight updating mark carries out the weight registration process.The controller 253 of self-check terminal 101 is interpreted as " 0 " " upgrading as yet ", " 1 " is interpreted as " upgrading automatically ", and " 2 " are interpreted as " artificial regeneration ", and " 3 " is interpreted as " independent renewal ".When not upgrading as yet, select default value.Carry out automatic renewal by the weight registration process.Carry out artificial regeneration by manual input.Carry out independent renewal by the manual input after upgrading automatically.

Now, return the explanation of the block diagram of the electric hardware configuration that settlement terminal shown in Figure 6 201 is shown.Via system bus 259, with bar code scanner 203, LCD 210, touch panel 211, card reader 206, numerical key 207, card reader/writer 252, receipt printer 251, observe camera 205, as the radiating portion 218 of informing part, carry out and the interface 260 of the data communication of reception/packaging device 221 is connected to controller 253, so that control them by controller 253.Controller 253 is controlled each part, and carries out the article sales data and handle, and it comprises search processing, weight check processing, Item Information registration process and settlement process.

Search is handled when reading the bar code that adheres to article by bar code scanner 203, and identification is by the article sign indicating number of bar code appointment, and search PLU file PF and weight data file WDF, and the price, weight and the article that obtain corresponding to this article sign indicating number show.

It is to determine whether the Item Weight that has been taken by weighing after having read bar code by scanner device 301 is consistent with the weight of obtaining by the search processing that weight check is handled.By checking whether in the permitted scope of handling the weight of obtaining by search (for example the Item Weight that to obtain based on the weight that is taken by weighing by platform balance device 301, scope between higher limit and lower limit) in, that is, in weight range, determine whether weight is consistent.

The Item Information registration process is carried out the interim registration of Transaction Information to RAM 254, when reading the bar code that adheres to article by bar code scanner 203, this information comprises handles the price that searches based on the article sign indicating number of appointment by the article sign indicating number of bar code appointment and by search.

Settlement process is based on by search and handles the processing that the price of obtaining is calculated settlement amounts and carried out the clearing of settlement amounts.Comprise according to the necessary consumption sum of the consumption tax of operating by the final accounts (closing) of touch pad 211 by calculating, obtain settlement amounts, and it is registered to RAM 254 temporarily, or register to sale file.Settlement process makes the settlement amounts that can come clearing house's calculating by cash, magnetic card, electronic money or non-contact IC card (identification number of its storaging mark bank account) such as credit card.Reception/packaging device 221 places of providing at base shell 202a place carry out cash and dispose, and dispose and carry out magnetic cards by Card Reader/write card portion 206.

In an embodiment of the present invention, the notion of broadly using the article sales data to handle, it comprises search processing, weight check processing, Item Information registration process, settlement process etc.Therefore, be that the auxiliary article sales data of broader terms that comprises handles, the controller 253 of settlement terminal 201 is for client's facility, and provides the demonstration of method of operating to the client.

Via system bus 259, communication interface 261 is connected to controller 253.Controller 253 is connected to communication network 41, so that realize the data communication between waiter's terminal 510, storehouse controller 31 and the self-checkout terminal 101.

Fig. 8 is the exemplary plot that the electric hardware configuration of platform balance device 301 is shown.Platform balance device 301 has measuring cell (load cell) unit 351.One end of measuring cell (not shown structure and shape) is fixed to pedestal 352, and provides load receiving unit 353 at the other end.When from the visual angle of planimetric map, form platform balance framework 354 with X-shaped, at the Qi Sijiao mounting table scale pan 303.The output signal of measuring cell unit 351 is exaggerated at amplifier 355 places and is converted into digital signal at analog/digital converter (AD/C) 356 places, and analyzed at arithmetic calculator 357 places.At arithmetic calculator 357 places, carry out gravimetric analysis based on the output signal of measuring cell unit 351.Arithmetic calculator 357 can be wherein to have write the semi-conductor chip of the sequence of operation or the microcomputer architecture of operating by the running program of storing in RAM etc.Arithmetic calculator 357 will send forwarder 358 as the weight data of analysis result to, and by forwarder 358 it be outputed to settlement terminal 201.For an example, with predetermined circulation (cycle), periodically (periodically) carries out the transmission of weight data to settlement terminal 201, and for another example, after the user assigns the beginning of self-checking processing,, periodically carry out this transmission with predetermined circulation.What can expect is, the circulation of these examples is shorter, and microsecond is to hundreds of microseconds in full.

In aforesaid embodiment, self-checkout terminal 101 makes self-checking become possibility.At this moment, the controller 253 of settlement terminal 201 and the arithmetic calculator of platform balance device 301 357 are carried out various algorithm calculations processing, drive controlling processing etc., so that auxiliary self-checking is handled.That is to say that settlement terminal 201 shows the auxiliary demonstration of various users, and carry out aforesaid search processing, weight check processing and article sales data and handle.Platform balance device 301 transmits and outputs to settlement terminal 201 with the value that is taken by weighing from forwarder 358, so that the weight check of auxiliary settlement terminal 201 is handled.Hereinafter, explain the flow process that self-checking is handled with reference to the process flow diagram that treatment scheme, various demonstration example and demonstration transformation example etc. are shown.

2, self-checking is handled

(1) the basic routine of self-checking processing

Fig. 9 is the process flow diagram that the self-checking treatment scheme at self-checkout terminal 101 places is shown.The controller 253 of self-checkout terminal 101 prepares to judge whether import article sign indicating number (step S11).By bar code scanner 203 or by carry out the input of article sign indicating number according to the input operation of the touch pad 211 of the display of LCD 210.

When the controller 253 of self-checkout terminal 101 determines to exist the input ("Yes" of step S11) of article sign indicating number, carry out search and handle (step S12).As a result, as mentioned above, the price, weight and the article that have obtained corresponding to the article of having imported code show.

After search was handled, the controller 253 of self-checkout terminal 101 was carried out weight check and is handled (step S12).The back is described weight check with reference to Figure 12 to 19 and is handled.

After weight check was handled, the controller 253 of self-checkout terminal 101 was carried out Item Information registration process (step S14).That is, when the weight check processing is passed through, will register to RAM 254 such as the Transaction Information of article sign indicating number and price etc. temporarily.

After the Item Information registration process, the controller 253 of self-checkout terminal 101 determines whether to assign clearing (step S15).By assigning by carrying out clearing according to the input operation of the touch pad 211 of the display of LCD 210.Then, if the controller of self-checkout terminal 101 253 determines to exist clearing to assign ("Yes" of step S15), then controller 253 is carried out aforesaid settlement process.

(2) demonstration of self-checking processing changes

Figure 10 is the exemplary plot that the demonstration during the self-checking that is illustrated in self-checkout terminal 101 is handled changes.The client will wherein have the basket that will buy article to take self-checkout terminal 101 to, and basket will be placed on the article mounting table 102 of self-checkout terminal 101.

At this moment, the initial guide that the controller 253 of settlement terminal 101 generates as shown in figure 10 shows A (first row that begins from the left side and first row), and it is presented on the LCD 210.Initial guide shows how A guiding user disposes article.Here Yin Dao method of disposal has two kinds.A kind of is to import the article sign indicating number by use bar code scanner 203, and another kind is to import appointment by touch pad 211.For the guiding of a kind of method before being used for, " please bar code being placed on the glass surface top " explained in guiding, and has the picture of depicting the state of explaining.For the guiding that is used for a kind of method in back, " will be in next shows registration do not have the article of bar code " be explained in guiding, and has and describe next picture displayed.

At this moment, controller 253 is in the operational status information that standby condition still is in the scan operation state to the information of waiter's terminal 501 its standby condition of output indication of being assigned as it is shown.

By two selector button A1 and A2 are provided, initial guide shows that A makes it possible to select to use shopping bag or my basket.Here, my basket is meant the basket that the client has.When touching and having assigned selector button A1, bring into use the self-checking of shopping bag 401 to handle.When touching by touch pad 211 and having assigned selector button A2, bring into use the self-checking of my basket to handle.

At this moment, controller 253 is in the operational status information that standby condition still is in the scan operation state to the information of waiter's terminal 501 its modes of operation of output indication of being assigned as it is shown.

Figure 10 illustrates the example that the self-checking of bringing into use my basket when touching by touch panel 211 and having assigned selector button A2 handles (second row and first that begins from the left side of Figure 10 is listed as).Difference between the processing of the processing of shopping bag 401 and my basket is reset.When the processing of the basket of carrying out me, controller 253 generates and display images, the basket in the shop should be placed on the mounting table 303a of platform balance device 301 with the guiding client, and open our basket in the basket in the shop.And, after having selected my basket, in initial guide demonstration A, shown to be provided with and finished button A3 and back A4 (second row that the left side of Figure 10 begins and first row).When touching and assigning setting to finish button A3 by touch pad 211, controller 253 is communicated by letter with platform balance device 301: need to carry out reset.When touching by touch pad 211 and assigning back A4, this demonstration turns back to initial guide and shows A (first row that the left side of Figure 10 begins and first row).

Show that in initial guide the lower left of A has shown cancel button Y and call button Z (second row that the left side of Figure 10 begins and first row).Cancel button Y is the button that is used to cancel processing, and call button Z is the button that is used to call out salesman (waiter).Controller 253 suitably generates and display suppression button Y and call button Z in each demonstration that a series of flow processs of handling according to self-checking change.

When touching and assigning selector button A1 or A2 (first row that the left side of Figure 10 begins and first row) by touch panel 211 after, by touch panel 211 on initial guide shows, touch and appointment selector button A3 (for example, second row that the left side of Figure 10 begins and first row) time, controller 253 generates basic display B, and it is presented at (first row and the secondary series that the left side of Figure 10 begins) on the LCD 210.Basic display B constitutes guiding viewing area B1 and user area B2.Guiding viewing area B1 is arranged in position on leaning on, and by under position layout user area B2.Guiding viewing area B1 shows the necessary various guiding of self-checking.User area B2 shows necessary various action buttons of self-checking and Transaction Information.

The picture of explaining " please the bar code with article is placed on the glass surface top " and having described the state of explaining is on the guiding viewing area B1 of the first basic display B (first row and the secondary series that the left side of Figure 10 begins), and it is prepared to read the bar code of article.

One of a plurality of action buttons of the user area B2 of the first basic display B (first row and the secondary series that the left side of Figure 10 begins) that is used to assign the article of the article that do not have bar code to assign button B22 to be shown as to prepare to read the bar code that is adhered to article, and shown the Transaction Information B21 of the total charge of title, quantity, price that comprises the article that will buy and the article that will buy.The demonstration example of Figure 10 has shown the state of a bottle of fruit juice, a box milk and three Deep-fried meatballs (croquette) wherein registered.When the number of buying article increases, in Transaction Information B21, can touch and assign scroll button to obtain roll display by utilizing touch panel 211.And, show circles mark on the right side of fruit juice and Deep-fried meatballs.These circles show these article and give a discount.Whether give a discount for article are shown, can allow PLU file PF have discount information.

Show (second row and the secondary series that the left side of Figure 10 begins) according to the guiding that shows in the guiding viewing area of first basic display B B 1, the client remains on the place ahead of bar code scanner 203 with article, thereby reads bar code.

At this moment, controller 253 is reduced in the brightness of the user area B2 of the basic display B that shows on the LCD 210, generation is read and is confirmed to show C, and shows that the affirmation of reading that is generated shows C, to be superimposed upon (first row and the 3rd row that the left side of Figure 10 begins) on the B2 of user area.Read and confirm to show that C comprises Transaction Information, the price, discounted cost, the quantity of article and the total charge of article that have been read and have searched from PLU file PF as its bar code.And, read confirm to show C comprise based on the article of from PLU file PF, storing show the Item Title of quoting text data letter and based on the picture of the view data of article.Read and confirm to show that C can adopt the ejection display technique commonly used that is used to show, and can adopt to use display frame to show and read and confirm to show that C is to be superimposed upon the technology on the basic display B.That is to say, read and confirm to show that C is enough to be shown as and be superimposed upon on the basic display B.Therefore, not to the restriction of the display technique that will adopt.

Importantly, read and confirm to show that C only is superimposed upon on the user area B2 of basic display B, and can not be superimposed upon on the guiding viewing area B1.Therefore, can on guiding viewing area B1, continue to show that guiding shows.When reading the bar code that adheres to article by bar code scanner 203, in the example depicted in fig. 10, show the demonstration (first row and the 3rd row that the left side of Figure 10 begins) that changes guiding viewing area B1 " article are put into shopping bag or my basket " from the first basic display B1 (first row and the secondary series that the left side of Figure 10 begins) of " please the bar code with article remains on the glass surface top " into.Controller 253 not only changes explanation, also changes picture, with the auxiliary work of article being put into shopping bag or my basket.The user confirms to show that C is not superimposed upon on the guiding viewing area B1 because read, so can easily confirm to guide the demonstration on demonstration and the guiding viewing area B1 to change.

Figure 11 illustrates about basic display B that will be placed on the article on the interim mounting table 306 and the exemplary plot that reads affirmation demonstration C.As mentioned above, settlement terminal 201 has the definition of article placement location.Thus, when the bar code that has been read article by bar code scanner 203 and interim mounting table 306 are defined as article orientation site definition that the first basic display B (first row and the secondary series that the left side of Figure 10 begins) locates, in the B1 of the guiding viewing area of LCD 210, controller 253 generates and shows explains " article are placed on the interim mounting table ", and the picture that is used for supplementary explanation.

Now, return explanation with reference to Figure 10.After having read the bar code that adheres to article by bar code scanner 203, controller 253 is prepared to carry out weight detecting and is handled.Therefore, show the picture (first row and the 3rd row that the left side of Figure 10 begins) of explaining " article are put into shopping bag or my basket " and being used for auxiliary this explanation.Replacedly, as shown in figure 11, when interim mounting table 306 is defined as the definition of article placement location, on guiding viewing area B1, shows and explain " article are placed on the interim mounting table " and the guiding that is used for the picture of auxiliary this explanation.Then, client's article that its bar code has been read by bar code scanner 203 are put into shopping bag 401 or my basket or according to guiding article are placed on the interim mounting table 306.Thereby, be put into shopping bag 401 or the article that are placed on the interim mounting table 306 are loaded on the platform balance dish 303 of platform balance device 301, thereby take by weighing the weight of this load by measuring cell unit 351.As mentioned above, the result that measuring cell unit 351 is taken by weighing outputs to settlement terminal 201 by forwarder 258.Settlement terminal 201 receives the result that measuring cell unit 351 takes by weighing, and carries out weight check and handle.As mentioned above, to handle be the consistent processing of weight of checking that the weight of the article 301 that take by weighing by the platform balance device, that its bar code is read is obtained from weight data file WDF with handling by search to weight check.For checking whether the two has consistance, determine the weight that takes by weighing based on platform balance device 301 and the weight that obtains permitted in the scope (for example, the scope between higher limit and the lower limit), promptly in weight range handling the weight of obtaining by search.

When being used as result for weight inspection department reason and determining that the two does not have consistance, then maloperation or misoperation may have been carried out.Therefore, in the case, controller 253 stops the process that the article sales data is handled, and the emission light of the radiating portion that will provide at the top of display pole 217 changes into redness from blueness, so that inform salesman (waiter): have operating mistake or misoperation.As stopping the result that the article sales data is handled, the display image of LCD 210 is retained in to read confirms to show C that so that notify the client: this processing no longer continues.

(3) weight check is handled

(i) first example

Here, to Figure 17 the flow process that weight check is handled is described with reference to Figure 12.

Figure 12 illustrates the process flow diagram that is included weight check flow process in handling, that handle from the weight data Data Receiving of platform balance device 301.Platform balance device 301 sends the result that measuring cell unit 351 takes by weighing to self-checkout terminal 101 as weight data.Here, after selector button A1 when show A (first row that the left side of Figure 10 begins and first row) by touch panel 211, by first initial guide in had touched and assigned the beginning of self-checking processing, the controller 253 of self-checkout terminal 101 prepared to be used to receive weight data (step S51).Then, controller 253 determines to receive weight data ("Yes" of step S51), and the weight data that is received is stored in (step S52) among the RAM 254 temporarily as current weight.

Figure 13 is the exemplary plot that the example of weight check file is shown.After the beginning of having assigned self-checking to handle, the controller 253 of self-checkout terminal 101 generates weight check file WCF as shown in figure 13 in RMA 254.During handling to weight check shown in Figure 16 as Figure 14, use the weight check file WCF shown in Figure 13 (A), it is stored in the weight history (reduce weight 1, reduce weight 2, reduce weight 3...) of current weight, last weight and (if having the minimizing of the weight) weight of temporarily storing among the step S52 of Figure 12 provisionally.And, during handling to weight check shown in Figure 19, using the weight check file WCF shown in Figure 13 (B) as Figure 17, it is stored in the current weight and the last weight of temporarily storing among the step S52 of Figure 12 temporarily.

As mentioned above, for example, periodically carry out weight data transmission of 201 from platform balance device 301 to settlement terminal with short circulation (microsecond is to hundreds of microseconds in full).During the reception of step S51 in process flow diagram shown in Figure 12 is handled,, be defined as existing Data Receiving all the time no matter when exist from platform balance device 301 to settlement terminal 201 weight data to transmit.Therefore, the controller 253 of settlement terminal 201 comes periodically the weight data renewal that will transmit from platform balance device 301 and stores weight check file WCF shown in Figure 13 into to the short circulation of hundreds of microseconds for example to count microseconds, as current weight.

Figure 14 is the process flow diagram that the example of the flow process that weight check handles is shown.When having assigned the beginning of self-checking processing, the controller 253 of self-checkout terminal 101 prepares to be used to register Item Information.In weight check was handled, above-mentioned state prepared to determine whether to exist input (step S101).When the input of determining to exist the article sign indicating number ("Yes" of step S101), flow process advances to the article pack preparatory stage (step S102) shown in Figure 16.The placement part (mounting table 303a or interim mounting table 306) that the article that have been transfused to when its article sign indicating number are placed on platform balance device 301 is gone up and during by weight check (step S209 among Figure 16 and S215), the article pack preparatory stage finishes.Simultaneously, when determining to prepare to be used for the input ("No" of step S101) of article sign indicating number, the current weight (step S13) of storing among the weight check file WCF shown in inquiry Figure 13 (A), and, similarly, determine to exist weight to change (step S104) with respect to the last weight of storing among the weight check file WCF shown in Figure 13 (A).When also not importing the article sign indicating number after the beginning of having assigned self-checking to handle or when the article pack stage of last article has finished safely, determine to prepare to be used for the input ("No" of step 101) of article sign indicating number.

Here, will explain last weight.Last weight is set to 0 (g), as default value.Pack in the preparatory stage at article, when the article on the placement part that be transfused to, that be placed on platform balance device 301 (mounting table 303a or interim mounting table 306) about its article sign indicating number have passed through weight check and have handled, about the last weight of current weight in the weight detecting file WCF shown in Figure 13 (A).As finding out from above explanation, when not having the article sign indicating number that is transfused in once concluding the business, last weight is set to 0 (g).When input article sign indicating number, in principle, value that all article that its article sign indicating number has been transfused to, that be placed on placement part (mounting table 303a or interim mounting table 306) take by weighing by platform balance device 301 that last weight means.Therefore, if operating under normal meaning, what must not have then that the weight with respect to last weight among the step S104 changes determines.Thus, when determining not have weight to change ("No" of step S104), by after as described later the step S105 and the processing among the S106, handle turning back to determining among the step S101 and whether have the input of article sign indicating number with respect to last weight.

On the contrary, when the article that also are not transfused to when its article sign indicating number are placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301, current weight surpasses last weight, perhaps, if its Item Information has been registered and has been placed on article on the placement part by when removing, current weight is fallen and is lower than last weight from the placement part of platform balance device 301 (mounting table 303a or interim mounting table 306).Thus,, determine whether to exist weight to increase, that is to say, determine whether current weight increases than last weight determining to exist weight to change among ("Yes" of step S104) step S107 afterwards with respect to last weight.

When the controller 253 of self-checkout terminal 101 is determined current weight when last weight increases ("Yes" of step S107) to some extent, (step S110) informed in controller 253 execution error after by step S108 described later and S109.Promptly, in said circumstances, must there be maloperation, the article that make its article sign indicating number also not be transfused to are placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301, or there is a misoperation, the emission color of the radiating portion 218 that controller 253 will provide at the top of display pole 217 changes redness into from blueness, so that inform salesman (waiter): have maloperation or misoperation.In addition, controller 253 shows that on the LCD 210 of self-checkout terminal 101 the weight mistake shows D1 (Figure 15).Then, controller 253 is provided with error condition=1 (step S111) to RAM 254, and returns the current weight query processing of step S103.

Figure 15 is the exemplary plot that the result's that the placement part that the article that also are not read when its bar code are placed on platform balance device 301 (mounting table 303a or interim mounting table 306) when going up is shown, handles as weight check weight mistake shows the example of D1.When controller 253 determines that current weight are when last weight has increase ("Yes" of step S107), controller 253 reduces the brightness of basic display B on the whole, the weight mistake that generates as shown in figure 15 shows D1, and shows that this weight mistake shows D1, to be superimposed upon on the basic display B.Weight mistake demonstration D1 demonstration is explained and " please be removed article.Bar code is not read as yet." and the picture that is used for auxiliary this explanation.

Then, the controller 253 of self-checkout terminal 101 is carried out current weight inquiry (referring) and is handled (step S103).At this moment, do not change ("No" of step S104) if controller 253 is uncertain at step S104 place with respect to the weight of last weight, then since the article that maloperation or misoperation are placed on the placement part (mounting table 303a or mounting table 306) temporarily can be returned.Therefore, process is by determining routine, i.e. the error condition of step S105=1 ("Yes" of step S105) handled in step S106 place execution error cancellation.Handle by the cancellation of error informing and the execution error cancellation that is provided with of error condition=1.That is, the controller 253 of self-checkout terminal 101 arrives last brightness with the luminance recovery of the user area B2 of basic display B, and removes weight mistake demonstration D1.Thereby the demonstration of LCD 210 turns back to basic display B (first row and the secondary series that the left side of Figure 10 begins).

When the controller 253 of self-checkout terminal 101 determines that current weight are when last weight has minimizing ("No" of step S107), in error condition is not under the condition of " 1 ", to reduce weight record to the weight check file WCF shown in Figure 13 (A), and the last weight of weight check file WCF will be updated to current weight (step S114).That is, in the case, the article that are placed on after the Item Information registration on the placement part (mounting table 303a or interim mounting table 306) must be removed.Expect that such situation may betide the client with his/her child.That is, can have a kind of situation: during father and mother operated self-checkout terminal 101, child took (for example) snacks on the placement part (mounting table 303a or interim mounting table 306) that once is placed on platform balance device 301 away.Therefore, when such situation takes place, because Item Information itself is registered, so this example allows this situation not to be taken as mistake.In other words, as mentioned above, the last weight of weight check file WCF is updated to current weight (step S114).In brief, no matter when determined weight increase ("No" of step S107) before advancing to article pack preparatory stage (step S102), log history one by one all in the weight check file WCF shown in Figure 13 (A) is as the minimizing weight 1 of the weight that reduces, reduce weight 2, reduce weight 3... or the like.

Here, when having determined weight increase ("Yes" of step S107) at step S107 place, the article that must exist its article sign indicating number also not to be transfused to are placed on the article on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301.If after this determined weight minimizing ("No" of step S107), then this has not always removed because maloperation or misoperation and once be placed on the situation of the article on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301.For example, very Ang Gui article are put into shopping bag 401 mistakenly, so, not expensive article can be removed from shopping bag 401, make and may determine the weight minimizing at step S107.In the case, if the last weight of weight check file WCF is updated to current weight, then can ignore (over look) maloperation or misoperation.Therefore, be updated to current state (step S114) before in last weight, determine whether error condition=1 at step S112 with the weight check file, and, if error condition=1 ("Yes" of step S112) then handles the current weight query processing that turns back to step S103 once more.In brief, when the article that its article sign indicating number also is not transfused to are placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 when going up, confirmed that positively these article are removed ("No" of step S106 and step S112) afterwards, the last weight of weight check file WCF will be updated to current weight (step S114).

And will have a kind of possibility: after article had been registered and have been placed on the placement part, are removed then, these article were returned to the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301.For example, child removes snacks etc. from shopping bag 401, and father and mother recognize this, and snacks are brought back shopping bag 401 once more.At this moment, because the processing of step S114 is updated to the last weight of weight check file WCF the current weight of minimizing, so determine to exist weight to change ("Yes" of step S104) with respect to last weight, determine to exist weight to increase ("Yes" of step S107) then, and, if handle the processing that advances to step S110 after the determining of the "Yes" of step S107 immediately, then (step S110) informed in execution error.Yet this is inappropriate for practical operation.Thus, in the case, carry out the cause supposition and handle (step S108).This handle to determine that whether this increase the minimizing weight (step S109) corresponding to step S107 place.That is to say, in the supposition of the cause of step S108 is handled, determine the weight that increases and from the minimizing weight history of among weight check file WCF, storing, obtain one or more gravimetric values consistent (first determines processing).That is to say that one of combination of determining weight that increases and the minimizing weight that writes down in the history of weight check file WCF is consistent.As definite result, suppose that cause and the article that removed from the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 that reduce as last weight are again placed on the placement part.The combination of the weight that reduces means whole combinations of the gravimetric value of the minimizing of storing in weight check file WCF.For example, be 15g when reducing weight 1, to reduce weight 2 are 20g, reduce weight 3 is 30g, the minimizing weight after reducing weight 4 when empty, the combination that reduces weight is 7 following combinations:

15(g)

20(g)

30(g)

15+20＝35(g)

15+30＝45(g)

20+30＝50(g)

15+20+30＝65(g)

Therefore, the value of inquiring about the minimizing weight of storing in weight check file WCF is handled in the cause supposition of step S108, analyze above combination and reduce gravimetric value, and carry out and handle: determine whether the value of determining at step S107 place of gaining in weight is consistent with arbitrary minimizing gravimetric value to obtain all.If the value of gaining in weight is consistent with one of minimizing value, then suppose the cause that reduces as last weight and be again placed on the placement part by the article of removing from the placement part of platform balance device 301.Here, the result that supposition is handled as cause, when cause and the article that removed from the placement part of platform balance device 301 that reduce as last weight when supposition are again placed on the placement part ("Yes" of step S109), processing advances to the processing of step S114, and the last weight of the weight check file WCF shown in Figure 13 (A) is updated to current weight.

Figure 16 is the process flow diagram of example that is illustrated in the flow process of the weight check file in the article packs preparatory stage.At first, when the controller 253 of self-checkout terminal 101 determines to exist the input ("Yes" of step S101) of article sign indicating number at the step S101 place of Figure 14, handle advancing to the article pack preparatory stage (step S102).The article pack preparatory stage as shown in figure 16 shows pack message (step S210) on LCD 210.Pack message be indicated as that guiding among the guiding viewing area B1 of Figure 10 " is please put into article shopping bag or my basket " and the guiding viewing area B1 of Figure 11 in guiding " please article are placed on the interim mounting table ".

In step S202 subsequently, controller 253 search of self-checkout terminal 101 constitute the weight data file WDF of product data file, obtain and be defined as predetermined weight predetermined weight, respective articles and can permit scope (upper limit can the allowance value and lower limit can the allowance value), and obtain weight A.Weight A in weight data file WDF shown in Figure 7 respectively storage, can the allowance value with respect to the upper limit of predetermined weight and lower limit can the allowance value in.For example, when predetermined weight is 310 (g), and the upper limit can the allowance value and lower limit when can the allowance value being 10 (g) respectively, and weight A will be 300 to 320 (g).

Then, inquiry is stored as the current weight (step S203) of the current weight among the weight check file WCF shown in Figure 13 (A) temporarily at step S52 place, and determines to change (step S204) with respect to the weight that is temporarily stored in the last weight among the weight check file WCF.

At this moment, in the article pack preparatory stage, the article that its article sign indicating number has been transfused to must be placed on the placement part (mounting table 303a and interim mounting table 306) of self-checkout terminal 101.Simultaneously, handle to turn back in as described later step S205 and the current weight query processing of the step S203 before the step S206, up to article be placed on placement part (mounting table 303a and interim mounting table 306) when going up till.Then, when article are placed on placement part (mounting table 303a and interim mounting table 306) when going up, determine to exist current weight to change ("Yes" of step S204), determine that then it is the increase ("Yes" of step S204) of current weight with respect to last weight that this weight changes with respect to the weight of last weight.Then, in the case, for the increase that obtains current weight (it is the weight that is placed on the article on the placement part (mounting table 303a and interim mounting table 306)) as weight B, deduct last weight and the weight that obtains is called as weight B (step S208) from current weight.That is, carry out calculating: (current weight)-(last weight)=weight B.Then, (current weight)-(last weight) is used as weight B, determines the consistance (step S209) between weight B and the weight A, this weight A can the allowance value with respect to the upper limit of the predetermined weight that obtains at step S202 place and lower limit can the allowance value in.By checking that weight B is included in the consistance of carrying out between weight A and the weight B in the scope of weight A and determines.The result, when the controller 253 of self-checkout terminal 101 is determined between weight A and the weight B consistent ("Yes" of step S209), controller 253 is updated to current weight (step S215) with last weight in the weight check file WCF shown in Figure 13 (A), and processing finishes.

Simultaneously, the article that also are not transfused to when its article sign indicating number are placed on the placement part (mounting table 303a and interim mounting table 306) of platform balance device 301 when going up, can not determine between weight A and weight B, to have consistance, unless between the article that these article and its article sign indicating number are transfused to, have consistance ("No" of step S209).Therefore, in the case, the controller 253 of self-checkout terminal 101 was carried out aforesaid error informing (step S213) before step S210 and S212 as described later.That is to say, in the case, the article that its article sign indicating number also is not transfused to are placed on the placement part (mounting table 303a and interim mounting table 306) of platform balance device 301 owing to maloperation or misoperation, the emission color of the radiating portion 218 that controller 253 will provide at the top of display pole 217 changes redness into from blueness, so that inform salesman (waiter): have maloperation or misoperation.In addition, show that on the LCD210 of self-checkout terminal 101 the weight mistake shows D1 (step S214).Then, error condition=1 (step S214) is set, and the current weight query processing of step S203 is returned in this processing to RAM 254.

When the controller 253 of self-checkout terminal 101 determines not exist weight with respect to last weight to change ("No" of step S204) at step S204 place, because the article that maloperation or misoperation are placed on the placement part (mounting table 303a and mounting table 306) temporarily of platform balance device 301 should be removed.Therefore, really before the usual practice journey, ("Yes" of step S205) handled in the mistake cancellation at execution in step S206 place in error condition=1 at step S205 place.Handle by the cancellation of error informing and the execution error cancellation that is provided with of error condition=0.That is, the controller 253 of self-checkout terminal 101 returns the brightness of the user area B2 among the basic display B, and cancellation weight mistake shows D1.Thus, the demonstration on the LCD 210 turns back to basic display B (first row and the secondary series that the left side of Figure 10 begins).

When the controller 253 of self-checkout terminal 101 determines that current weight has minimizing ("No" of step S207) than last weight, not ("No" of step S216) under 1 the condition in error condition, to the weight check file WCF (step S217) shown in Figure 13 (A), and the last weight of weight check file WCF is updated to current weight (step S218) with the weight record that reduces.That is, in the case, after Item Information registration, the article that once were placed on the placement part (mounting table 303a and interim mounting table 306) of platform balance device 301 should be removed.Expect that such situation may betide the client with his/her child.Specifically, may incidentally be that during father and mother operated self-checkout terminal 101, child took (for example) snacks on the placement part (mounting table 303a and interim mounting table 306) that once is placed on platform balance device 301 away.Therefore, in this example, when such situation took place, itself was registered Item Information, handles so allow this situation not to be taken as mistake.In brief, as mentioned above, the last weight of weight check file WCF is updated to current weight (step S218).Then, handle the current weight query processing that turns back to step S203.Thereby, the article that are transfused to (step S217) when its article sign indicating number are by from placement part (mounting table 303a or interim mounting table 306) when removing one by one, no matter when determined the weight minimizing, the controller 253 of self-checkout terminal 101 all records the weight that reduces among the weight check file WCF one by one, as reducing weight 1, reduce weight 2, reducing weight 3... (step S217).

Yet, when not determining to determine at step S209 place between weight A and the weight B inconsistent ("Yes" of step S209) as yet, the article that its article sign indicating number also is not transfused to must be placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 owing to maloperation or misoperation.Therefore, this always is not placed on the situation that the article on the placement part are removed owing to maloperation or misoperation.For example, when the article of costliness are put into shopping bag 401, the feasible consistance of determining between weight A and the weight B ("No" of step S209) mistakenly, not expensive article are removed from shopping bag 201, and may be determined to exist weight to reduce at step S207.In the case, if the last weight of weight check file then can be ignored maloperation or misoperation with reference to current weight.Therefore, determine whether error condition=1 at step S216 place, and, if error condition=1 ("Yes" of step S216) then handles the current weight query processing that turns back to step S203 once more.In brief, the article that also are not transfused to when its article sign indicating number are placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device when going up, only confirmed that positively these article are removed (step S206, the "No" of step S216) afterwards, the last weight of weight check file WCF just is updated to current weight (step S218).

In addition, have a kind of possibility: the article that its Item Information has been registered and it is placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 are removed, and are put back to placement part.For example, child removes snacks that once are placed on the mounting table 303a etc., and father and mother recognize this, and snacks are brought back shopping bag 401 once more.In the case, processing by step S218, the last weight of weight check file WCF is updated to the current weight of increase, thus determine to change ("Yes" of step S204) with respect to the weight of last weight, and definite weight increases ("Yes" of step S207).The weight of calculating at step S208 place: (current weight)-(last weight)=weight B is for the article after the Item Information registration of putting into shopping bag 410 once more.Therefore, determine between weight A and weight B, not have consistance, therefore execution error is informed (step S213) at step S209 place.Yet this is inappropriate for practical operation.Thus, in the case, carry out the cause supposition and handle (step S210).This processing determines once to be placed on whether the article that the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 is gone up, is removed then are put back into placement part (step S211 and S212) once more after the Item Information registration.Promptly, it is consistent that one of combination of weight and the weight of minimizing by checking increase is handled in the supposition of the cause of step S210, suppose that the article that once were removed are put back to placement part once more, the history that reduces weight is recorded among the weight check file WCF shown in Figure 13 (A).

Here, the situation put back to of the article that will exist two kinds of its Item Information to be registered.It is a kind of that to be the article that have been registered of its Item Information by bringing back have that its article sign indicating number has been transfused to but the placement part (mounting table 303a or interim mounting table 306) of the platform balance device 301 of the article that its Item Information is not registered as yet.Another kind is that only the article that have been registered of its Item Information are brought back the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301.

In the previous case, at step S209 place, do not determine consistance between weight A and the weight B.That is, weight B is not included in the scope of weight A.This is because the article that weight B has been registered owing to its Item Information become heavier.Therefore, in the case, whether the minimizing weight of determining to have the article of Item Information registration is added to the weight (step S211) that not have article of registering.If the result is sure ("Yes" of step S211), then will there be maloperation or misoperation, thereby the controller 253 of self-checkout terminal 101 is updated to current weight (step S215) with last weight in the weight check file WCF shown in Figure 13 (A), and end process.

Simultaneously, under one situation of back,, consistent between normally definite weight A and the weight B at step S209 place.That is, weight B is not included the scope of weight A.This is because weight A is that its article sign indicating number has been transfused to but the weight of the article that its Item Information is not registered as yet, and the weight of the weight B article that to be its Item Information be registered, so they are different usually.Therefore, in the case, when whether the minimizing weight of determining the article that its Item Information has been registered was added to the weight (step S211) of the article that do not have registration, the result must be negative ("No" of step S211).Thereby, the minimizing weight of determining the article that its Item Information has been registered whether be consistent (the step S212) that gain in weight.If the result is sure ("Yes" of step S212), then handles and advance to step S218, and the last weight of the weight check file WCF shown in Figure 13 (A) is updated to current weight.

As mentioned above, the definite processing of step S211 supposition article that its Item Information has been registered, be transfused to but article that its Item Information is not registered are as yet brought back the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 with its article sign indicating number.Simultaneously, the article that only its Item Information have been registered of the definite processing of step S212 supposition are brought back the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301.Therefore, for step S210, be necessary to carry out and suppose two processing of determining to handle (step S211 and step S212).

Therefore, for definite step to step S211, suppose whether the article that its Item Information has been registered and once removed from placement part (mounting table 303a or interim mounting table 306) are put back to placement part once more, and the gravimetric value of determining as from 301 transmission of platform balance device is handled in the supposition of step S210, with by will (reducing weight 1 from reducing weight history, 2,3...N) one or more gravimetric values of obtaining add the last weight of storing in weight check file WCF and whether the weight of difference between the gravimetric value that obtains is included in by the search of step S202 and handles in the weight range of the weight A that obtains (second determines to handle).Suppose described in the explanation of handling (step S108) as the cause of Figure 14, can obtain one or more gravimetric values that the minimizing weight history (reducing weight 1,2,3...N) from weight check file WCF obtains by the combination that reduces weight 1,2,3...N.For example, be 15g when reducing weight 1, to reduce weight 2 are 20g, reduce weight 3 is 30g, the minimizing weight after reducing weight 4 when empty, the combination that reduces weight is 7 following combinations:

15(g)

20(g)

30(g)

15+20＝35(g)

15+30＝45(g)

20+30＝50(g)

15+20+30＝65(g)

Here, the controller 253 of settlement terminal 201 obtains the gravimetric value that transmits from platform balance device 301 and 7 gravimetric values by 15 (g), 20 (g), 30 (g), 35 (g), 45 (g), 50 (g) and 65 (g) are added respectively the last weight of storing calculates among weight check file WCF.Then, controller 253 is determined whether one of 7 gravimetric values as the difference between the gravimetric value that transmits from platform balance device 301 and 7 gravimetric values being obtained are included in by the search of step S202 and is handled in the weight range of the weight A that obtains (second determines to handle).

In addition, whether the supposition of step S210 is handled and is determined to conform to the last weight of storing the weight check file WCF from reducing one or more values of gaining in weight that weight history (reducing weight 1,2,3...N) obtains, so as supposition whether only its Item Information be registered and removed from placement part and turned back to placement part (the 3rd determines processing) once more as the article of the weight cause of last weight.As mentioned above, are 30g when the minimizing weight 1 among the weight check file WCF is 15g, to reduce weight 2 are 20g, reduce weight 3, the minimizing weight after reducing weight 4 is when empty, there are 7 combinations, i.e. 15 (g), 20 (g), 30 (g), 35 (g), 45 (g), 50 (g) and 65 (g) as the combination that reduces weight.Thus, the controller of settlement terminal 201 253 is determined the gravimetric values that increase, i.e. the weight B that obtains at step S208 place whether conform to 15 (g), 20 (g), 30 (g), 35 (g), 45 (g), 50 (g) and any of 65 (g) (the 3rd definite processing).

Second determines that it is the supposition processing of step S210 that processing and the 3rd is determined to handle.Definite processing of step S211 is based on second of one of supposition processing as carrying out at step S210 place and determines the result of processing, determines that processing subsequently advances to the processing that step S212 still is step S215.Definite processing of step S121 is based on the 3rd of one of supposition processing as carrying out at step S210 place and determines the result of processing, determines that processing subsequently advances to the processing that step S213 still is step S218.

As mentioned above, determined up to step S209 place at Figure 16 between weight A and the weight B consistance ("Yes" of step S209) or will be as adding under the condition of unregistered Item Weight ("Yes" of step S211) in the minimizing weight at the step S211 place of Figure 16 and the weight of the article that its Item Information has been registered, the last weight of having passed through the step S215 place among Figure 16 is with reference to till the processing of current weight, and weight check is handled just and finished.

(ii) another example

Figure 17 is the process flow diagram that another example of the flow process that weight check handles is shown.At first, when having assigned the beginning of self-checking processing, the controller 253 of self-checkout terminal 101 is prepared the registration Item Information.Weight check is handled and is prepared to be used to determine whether to have imported article sign indicating number (step S151).When the input of having determined the article sign indicating numbers ("Yes" of step S151), handle advancing to the article pack preparatory stage, with its detailed process shown in Figure 19 (step S152).The placement part (mounting table 303a or interim mounting table 306) that the article that the article pack preparatory stage is transfused to owing to its article sign indicating number are placed on platform balance device 301 upward and by weight check (seeing step S259 and the S265 of Figure 19) finishes.Yet, when determining to prepare to be used to import article sign indicating number ("No" of step S151), the current weight (step S153) that inquiry is stored in the weight check file WCF shown in Figure 13 (A), and determine to exist in the weight check file WCF shown in Figure 13 (B), store similarly, change (step S154) with respect to the weight of last weight.When not importing the article sign indicating number after the beginning of having assigned self-checking to handle or when the article pack stage of last article normally finishes, determine to prepare to be used for the input ("No" of step 151) of article sign indicating number.

As mentioned above, when not importing the article sign indicating number, last weight will be 0 (g).When having imported the article sign indicating number later on, the gravimetric value that in principle, last weight means under all article that its article sign indicating number is transfused to are placed on state on the placement part (mounting table 303a or interim mounting table 306), taken by weighing by platform balance device 301.Therefore, if carry out normal running, then needn't determine to change with respect to the weight of last weight at step S154 place.Thus, if do not have to determine that at step S154 place the weight with respect to last weight changes ("No" of step S104), then handle the processing of determining whether to have imported the article sign indicating numbers that turns back to step S151 place.

Simultaneously, the article that also are not transfused to when its article sign indicating number are placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 when going up, current weight surpasses last weight, perhaps, if the article that its Item Information has been registered and it is placed on the placement part are removed, current weight is fallen and is lower than last weight.Therefore, determining to exist the weight with respect to last weight to change ("Yes" of step S154) afterwards, step S155 determines whether weight increases, and that is to say, current weight is to increase or reduce than last weight.

When current weight when last weight has increase ("Yes" of step S155), (step S110) informed in controller 253 execution errors of self-checkout terminal 101.That is, in the case, must have maloperation or misoperation: the article that its article sign indicating number also is not transfused to are placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301.Therefore, the emission color of the radiating portion 218 that controller 253 will provide at the top of display pole 217 changes redness into from blueness, so that inform salesman (waiter): have maloperation or misoperation.In addition, show that on the LCD 210 of self-checkout terminal 101 the weight mistake shows D1 (seeing Figure 15).

Then, if current weight (step S157) by inquiry interim storage in shown in Figure 13 (A) and step S52 at Figure 12, determine current weight=last weight (step S158), then the article that once were placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 owing to maloperation or misoperation must be removed and return.Therefore, handle in step S159 place execution error cancellation.Come the execution error cancellation by the cancellation error informing.That is, the brightness that the controller 253 of self-checkout terminal 101 recovers the user area B2 of basic display B, and cancellation weight mistake shows D1.Thereby the demonstration of LCD 210 turns back to basic display B (first row and the secondary series that the left side of Figure 10 begins).

When the controller 253 of self-checkout terminal 101 is determined current weight when last weight has minimizing ("No" of step S155), the article that its Item Information has been registered and it is placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 must be removed.Expect that such situation can frequently betide the client with his/her child.That is, during father and mother operated self-checkout terminal 101, child took (for example) snacks on the placement part (mounting table 303a or interim mounting table 306) that once is placed on platform balance device 301 away.Therefore, when such situation took place, (step S160) informed in this example execution error.That is, in the case, the emission color of the radiating portion 218 that controller 253 will provide at the top of display pole 217 changes redness into from blueness, so that inform salesman (waiter): have maloperation or misoperation.In addition, show that on the LCD 210 of self-checkout terminal 101 the weight mistake shows D1 (seeing Figure 18).

Figure 18 illustrates the result that handles as weight detecting, shows the synoptic diagram of the example of D2 when the weight mistake when mounting table is removed article.Controller 253 determines that current weight have minimizing ("No" of step S155) than last weight, and controller 253 reduces the brightness of basic display B, and the weight mistake that generates as shown in figure 18 shows D2, and it is shown as is superimposed upon on the basic display B.The weight mistake shows that D2 shows the picture that explanation " please be returned the article of before removing from shopping bag " and be used for auxiliary its explanation.

After this, current weight shown in inquiry Figure 13 (B), the interim storage at step S52 place shown in Figure 12, if determine current weight=last weight (step S162), then the article that its Item Information has been registered and it is placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 must be removed, taken back then, therefore handled in step S163 place execution error cancellation.Come the execution error cancellation by the cancellation error informing.That is, the brightness that the controller 253 of self-checkout terminal 101 recovers the user area B2 of basic display B, and cancellation weight mistake shows D2.Thereby the demonstration of LCD210 turns back to basic display B (first row and the secondary series that the left side of Figure 10 begins).

Figure 19 is the process flow diagram that is illustrated in another example of the article flow process that weight check is handled in the pack preparatory stage.At first, when the controller 253 of self-checkout terminal 101 has determined to import article sign indicating numbers ("Yes" of step S151) at step S151 place, handle advancing to the article pack preparatory stage (step S152).The article pack preparatory stage that its treatment scheme is illustrated among Figure 19 shows article pack message (step S251) on LCD 210.Article packs message is shown as that guiding in the guiding viewing area of Figure 10 " is please put into article shopping bag or my basket " and the guiding that is shown as among the guiding viewing area B1 " please is placed on article on the interim mounting table ".

In step S252 subsequently, controller 253 search of self-checkout terminal 101 constitute the weight data file WDF (seeing Fig. 7 (B)) of product data file, obtain the predetermined weight of the respective articles that is defined as predetermined weight and can permit scope (upper limit can the allowance value and lower limit can the allowance value), and obtain weight A.Weight A be in data file WDF shown in Figure 7 respectively storage, can the allowance value with respect to the upper limit of predetermined weight and lower limit can the allowance value scope.For example, when predetermined weight is 310 (g), and the upper limit can the allowance value and lower limit when can the allowance value being 10 (g), and weight A will be 300 to 320 (g).

Then, inquiry is stored as the current weight (step S253) of current weight temporarily in the weight check file WCF shown in Figure 13 (B) by the step S52 among Figure 12, and determine to change (step S254) with respect to the weight that is temporarily stored in the last weight among the weight check file WCF.

At this moment, in the article pack preparatory stage, the article that its article sign indicating number has been transfused to must be placed on the placement part (mounting table 303a or interim mounting table 306) of self-checkout terminal 101.Simultaneously, handle the current weight query processing that turns back to the step S253 place before aftermentioned step S255 and step S256, be placed on the placement part up to article.Then, when article are placed on placement part (mounting table 303a or interim mounting table 306) when going up, determine that at step S254 current weight changes ("Yes" of step S254) with respect to the weight of last weight, and, determine of the increase ("Yes" of step S257) of current weight with respect to last weight at step S257 subsequently.Here, in the case, determine (current weight)-(last weight)=weight B (step S258), and determine the weight A that obtains at step S252 place and the consistance (step S259) between the weight B.By checking whether weight B is included in the scope of weight A, carry out conforming between weight A and the weight B and determine.The result, when the controller 253 of self-checkout terminal 101 is determined between weight A and the weight B consistent ("Yes" of step S265), controller 253 is in the weight check file WCF shown in Figure 13 (B), last weight is updated to current weight (step S265), be the processing of step S263 described later and S264 subsequently, and end process.

Simultaneously, the article that also are not transfused to when its article sign indicating number are placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 when going up, to can not determine between weight A and weight B consistent, unless the weight unanimity between the article that weight and its article sign indicating number of these article has been transfused to.Therefore, in the case, the controller 253 of self-checkout terminal 101 was carried out aforesaid error informing (step S261) before step S260 described later.Promptly, in the case, article must be placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 owing to maloperation or misoperation, the emission color of the radiating portion 218 that controller 253 will provide at the top of display pole 217 changes redness into from blueness, so that inform salesman (waiter): have maloperation or misoperation.In addition, show that on the LCD 210 of self-checkout terminal 101 the weight mistake shows D1 (seeing Figure 15).Then, controller 253 is provided with error condition=1 to RAM 254, and turns back to the current weight query processing of step S253.

After this, when the controller 253 of self-checkout terminal 101 when uncertain weight with respect to last weight changes ("No" of step S254) at step S254 place, consideration will be returned owing to the article that maloperation or misoperation are placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301.Therefore, this is handled through the usual practice journey ("Yes" of step S255) really in error condition=1 at step S255 place, and cancels processing in the execution error of step S256 place.Handle by the cancellation of error informing and the execution error cancellation that is provided with of error condition=0.That is, the controller 253 of self-checkout terminal 101 is last brightness with the luminance recovery of the user area B2 among the basic display B, and cancellation weight mistake shows D1.Thus, the demonstration of LCD 210 turns back to basic display B (first row and the secondary series that the left side of Figure 10 begins).

Determining current weight at step S257 place when last weight has minimizing ("No" of step S257) when the controller 253 of self-checkout terminal 101, is not ("No" of step S266) under 1 the condition in error condition, and execution error is informed.That is, in the case, the article that its Item Information has been registered and it is placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device must be removed.For example, the such situation of expection may frequently betide the client with his/her child.Specifically, such situation may take place, that is, during father and mother operated self-checkout terminal 101, child took the snacks on the placement part (mounting table 303a or interim mounting table 306) that once is placed on platform balance device 301 etc. away.Therefore, under such situation, (step S267) informed in execution error.That is, the emission color of the radiating portion 218 that controller 253 will provide at the top of display pole 217 changes blueness into from redness, so that inform salesman (waiter): have maloperation or misoperation.In addition, show that on the LCD 210 of self-checkout terminal 101 the weight mistake shows D2 (seeing Figure 18).Then, controller 253 is provided with error condition=2 (step S28) to RAM 254.

Then, the step S52 place of controller 253 inquiry of self-checkout terminal 101 in Figure 12, in the weight check file WCF shown in Figure 13 (B), be stored as the current weight of current weight temporarily, and determine with respect to the weight change (step S270) that is temporarily stored in the last weight among the weight check file WCF.Then, if exist weight to change ("Yes" of step S270), determine that then it is that weight increase or weight reduce (step S271) that this weight changes.In the case, the Item Information article that have been registered and have been placed on the placement part are removed.Therefore, current weight is determined to change ("Yes" of step S270) with respect to the weight of the last weight of inquiring about at step S269 place, and this change must be that weight reduces ("No" of step S271) at step S271 place.When definite weight change is weight minimizing (step S271), handle the current weight query processing that turns back to step S269 place.

Simultaneously, when its Item Information has been registered and when the article that the placement part of platform balance device 301 (mounting table 303a or interim mounting table 206) is removed are put back to mounting table once more, inquire about current weight (step S269), and in step S270 subsequently, determine not exist current weight to change ("No" of step S270) with respect to the weight of last weight.Here, the controller 253 of self-checkout terminal 101 is handled in step S272 place execution error cancellation.Handle by the cancellation of error informing and the execution error cancellation that is provided with of error condition=0.That is, the brightness that the controller 253 of self-checkout terminal 101 recovers the user area B2 among the basic display B, and cancellation weight mistake shows D2.Thus, the demonstration of LCD 210 turns back to basic display B (first row and the secondary series that the left side of Figure 10 begins).

When on the placement part that its Item Information has been registered and has been placed on platform balance device 301 (mounting table 303a or interim mounting table 306) and object that removed from placement part are returned to the have article placement part of (its article sign indicating number has been transfused to but its Item Information also is not registered) now once more, determine that current weight exists weight to change ("Yes" of step S270) with respect to last weight.And, should determine that it is that weight increases ("Yes" of step S271) that this weight changes.Thus, in the case, handle the processing that advances to step S258.That is, (current weight)-(last weight)=weight B (step S259) is set, and unanimity (step S259) between definite weight B and the weight A that obtains at step S252 place.Here, a kind of situation of expection is, the article that its Item Information has been registered and has been placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 once were removed, and were returned height now and have its article sign indicating number and be transfused to but the placement part of the article that its Item Information also is not registered.Thus, the controller 253 of self-checkout terminal 101 determines to exist consistance ("Yes" of step S259) between weight A and weight B.Then, at this moment, because error condition still remains 2, so step S263 determines error condition=2 ("Yes" of step S263), and at step S264, the execution error cancellation is handled.Handle by the cancellation of error informing and the execution error cancellation that is provided with of error condition=0.That is, the controller 253 of self-checkout terminal 101 is last brightness with the luminance recovery of the user area B2 among the basic display B, and cancellation weight mistake shows D2.Thus, the demonstration of LCD 210 turns back to basic display B (first row and the secondary series that the left side of Figure 10 begins).Then, last weight is with reference to the current weight (step S265) of the weight check file WCF shown in Figure 13 (B), and processing finishes.

Simultaneously, the another kind of situation of having expected definite weight increase at step S271 place, wherein, another article are placed on the placement part, its article sign indicating number also is not transfused to, and it is heavier to be registered and to be placed on the article that the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 goes up and be removed from placement part than Item Information.This example advances to step S258, be registered and be placed on the placement part with its Item Information and situation from the article that placement part is removed had article by being placed into the once more subsequently placement part of (its article sign indicating number has been transfused to but its Item Information also is not registered) without any difference.That is, (current weight)-(last weight)=weight B (step S258) is set, and unanimity (step S259) between definite weight B and the weight A that obtains at step S252 place.Yet, here Yu Qi situation is that another article that its article sign indicating number also is not transfused to are placed on the placement part, and these another article have been registered than its Item Information and the article removed from the placement part of platform balance device 301 (mounting table 303a or interim mounting table 306) are heavier.Thereby the controller 253 of self-checkout terminal 101 is consistent ("No" of step S259) between uncertain weight A in step S259 place and weight B.At this moment, error condition remains 2.Therefore, step S260 determines error condition=2 ("Yes" of step S260), and handles the current weight query processing that turns back to step S269.Promptly, according to this example, during article on having removed the placement part (mounting table 303a or interim mounting table 306) that its Item Information had been registered and had been placed on platform balance device 301, processing can not be through the step S269 that associates to the processing routine of S271, unless the article that are removed are taken back on the placement part.

In addition, when unanimity ("No" of step S259) between definite weight A in step S259 place and weight B, the article that its article sign indicating number also is not transfused to must be placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301.Thus, even after this determined weight minimizing ("No" of step S257), this does not always remove because maloperation or misoperation and once be placed on the situation of the article on the placement part (mounting table 303a or interim mounting table 306) from placement part yet.For example, although determine consistent ("No" of step S259) between weight A and the weight B because article are put into shopping bag 401 owing to maloperation, what also may determine is, by another article are removed from shopping bag 401, and determines that at step S257 weight reduces.In the case, even determined weight minimizing ("No" of step S257) in step 257, the result when processing advances to the processing of step S267, also exists and handles the very big possibility that can not pass through the processing routine from step S269 to S271.Therefore, when having determined weight minimizing ("No" of step S257), determine error condition=1 at step S266, and, if error condition=1 ("Yes" of step S266) then handles the current weight query processing that turns back to step S253 once more.Promptly, when the article that its article sign indicating number also is not transfused to are placed on the placement part (mounting table 303a or interim mounting table 306) of platform balance device 301 when going up, and confirmed that positively these article are returned (step S256, the "No" of step S266) afterwards, handle the processing that advances to step S267.

As mentioned above, the step S259 place in Figure 19 determines under the condition consistent between weight A and the weight B ("Yes" of step S259) that the last weight at the step S265 place in Figure 19 is with reference to after the processing of current weight, and weight check is handled and do not finished.Therefore, do not finish, then handle the Item Information registration process (the step S14 among Fig. 9) that can not advance to subsequently, thereby the processing of article sales data can not continue if weight check is handled.In other words, when error informing processing (step S156 and S161) in Figure 17 or the error informing among Figure 19 are handled (step S261 and S267), cancellation Item Information registration process (the step S14 among Fig. 9).On the other hand, in the article pack preparatory stage, when (step S267) informed in weight minimizing execution error, even not only its Item Information being registered and being placed on placement part (mounting table 303a or the interim mounting table 306) article last and that be removed of platform balance device 301 is placed on the placement part, even the article that its Item Information will be registered are placed on the placement part, can not normally stop weight check and handle ("Yes" of step S271, the "Yes" of step S259).

What (iii) weight check was handled skips

Figure 20 illustrates the basic display B of the article of exempting weight check and reads the synoptic diagram of confirming to show C.As mentioned above, settlement terminal 201 has the definition of whether carrying out weight check.Therefore, whether controller 253 inquiries carry out the definition of weight check, and, for the article that are defined as not carrying out weight check, reading demonstration ACK button X on the affirmation demonstration C, and skipping weight check and handle.Then, when reading when confirm showing the C assignment acknowledgement button X of place by touch panel 211, controller 253 allows the article sales datas to handle to continue, recover the brightness of the user area B2 among the basic display B, and cancellation is read and confirmed demonstration C.Thus, the demonstration of LCD 210 turns back to basic display B (first row and the secondary series that the left side of Figure 10 begins).

As can be seen, for the article of exempting weight check, skip weight check and handle.Shown in Figure 20 (A), no matter whether skipping weight check handles, guiding viewing area B1 after having read the bar code that adheres to article shown illustrate explanation " please article are put into shopping bag or my basket; and touch ACK button " guiding, and the picture that is used for auxiliary this explanation.

Here, as explaining based on Figure 11, guiding viewing area B1 has shown the placement location that is used for article after reading bar code according to the article placement location definition (the article pack is skipped) of weight data file WDF.Thereby, shown in Figure 20 (B), be defined as the article on ground by article placement location definition (the article pack is skipped) for its placement location, controller 253 feasible guiding viewing area B1 demonstration explanations " please article are placed on shopping bag platform next door; and touch ACK button ", and the picture that is used for assisting this explanation.

(4) by showing the Item Information registration of input

Now, return explanation based on Figure 10.As mentioned above, first initial guide shows that A (first row that the left side of Figure 10 begins and first row) shows and explain " will be in next shows registration do not have the article of bar code " and the picture of having described " next demonstration ".Thus, arrange article appointment button B22 among the user area B2 (first row and the secondary series that the left side of Figure 10 begins) of controller 253 in basic display B, it comprises 6 touch buttons " vegetables ", " fruit ", " prepared food ", " fish ", " other " and " packing food ", as the registered image of the article that are used to not have bar code.Here, when the article that will buy did not have bar code, the client touched and assigns described article to assign button B22 by touch panel 211.When having assigned any article to assign button B22 by touch panel 211, the Transaction Information B21 of the user area B2 among the basic display B is switched and is shown as classification and selects to show E (second row and the secondary series that the left side of Fig. 9 begins).

The classification of Figure 10 selects to show that E (second row and the secondary series that the left side begins) shows the example of having assigned " prepared food " by touch panel 211.In the case, by take advantage of the roll display of four array by four of row and column, show 16 kinds of different food products that comprise in " prepared food " classification.Classification selects to show that E shows return push-button E1.When having assigned return push-button E1 by touch panel 211, classification selects to show that E is switched and is shown as Transaction Information B21, and turns back to basic display B (first row and the secondary series that the left side of Figure 10 begins).

When the Transaction Information B21 of the user area B2 among the basic display B was switched and is shown as classification and select to show E (second row and the secondary series that the left side of Figure 10 begins), controller 253 made guiding viewing area B1 show to explain " button that please touch the article that you have " and the picture that is used for auxiliary this explanation.Thus, the client knows him what operation next step will carry out.

Thus, the client is according to guiding, select to show the E (second row and the secondary series that the left side of Figure 10 begins) from classification by touch panel 211 to touch and to assign a kind of food that the classification registration of this food shows that the user area B2 that F appears at basic display B goes up (left side of Figure 10 begin second go and the 3rd row).Classification registration among Figure 10 shows that F (second row and the 3rd row that the left side begins) shows the example that touches and assigned " egg bean curd ".In the case, occur showing F about the classification registration of " egg bean curd ".The classification registration shows that F comprises Transaction Information, as article price, discounted cost, the amount that will buy and purchasing price.Type registration show F also comprise character based on the text data of the title relevant with article, based on the picture and the numerical key of the view data relevant with article.Numerical key makes it possible to change the input (its default setting is 1) of the amount that will buy of article.The information that writes down from category file is quoted these various types of data, provides this classification file separately from PLU file PF in settlement terminal 201.And, in classification registration demonstration F, comprise cancel button F1 and decision button F2.When touching by touch panel 211 and having assigned cancel button F1, the classification registration shows that F turns back to demonstration (second row and the secondary series that the left side of Figure 10 begins), has shown that in this demonstration the classification of the user area B2 among the basic display B selects to show E.

When having shown on the user area B2 in basic display B that the classification registration shows F (second row and the 3rd row that the left side of Figure 10 begins), controller 253 makes guiding viewing area B1 show and explains " please use the numerical key input, and touch " decision " button when changing quantity " and the picture that is used for auxiliary this explanation.Thus, the client knows him what operation next step will carry out.

Thus, according to guiding, when the client shows that in classification registration F (second row and the 3rd row that the left side of Figure 10 begins) goes up the use numerical key and imports and change the purchase number as required, during then by touch panel 211 touches and appointment decision button F2, by the quantity that default number or use numerical key change, register the classification registration of selected food (" egg bean curd " in the example shown in Figure 10).Here, controller 253 is reduced in the brightness of the basic display B that shows on the LCD 210, generates to read to confirm to show C, and reading of being generated confirmed to show that C is superimposed upon user area B2 top (second row and the 4th row that the left side of Figure 10 begins).In addition, controller 253 changes the demonstration among the guiding viewing area B1 of basic display B into guiding demonstration " please article being put into shopping bag or my basket " (second row and the 4th row that the left side of Figure 10 begins).Although not shown in Figure 10, controller 253 also change guiding shown in the B1 of viewing area, be used for the auxiliary picture of article being put into the operation of shopping bag or my basket.Confirm to show that C is shown as and be not superimposed upon on the guiding viewing area B1 by reading, can allow the client easily confirm to guide guiding among the B1 of viewing area to show and change.

Here, when touching and assign five kinds of article to assign button B22 " vegetables ", " fruit ", " fish " and " other " by touch panel 211, promptly touched and assigned article to assign all buttons except " packing food " among the button B22, and, carry out weight check and handle reading when confirm showing that C carries out the classification registration after being shown as on the user area B2 that is superimposed upon among the basic display B.That is, this processing and the processing after reading the bar code that adheres to article by bar code scanner 203 have consistance.Thus, the explanation of processing subsequently will be omitted.

(5) packing Item Information registration

(i) input method of packing article

Figure 21 is the synoptic diagram that the demonstration when being illustrated in the self-checking processing execution of packing article changes.Article in the first basic display B (first row and the secondary series that the left side of Figure 10 begins) assign " the packing food " that is provided with among the button B22 to be meant the packing article.In the supermarket, commonly, provide a corner, place various food, and the client can be freely packs in them any such as fried food, day bran sieve (tempura), roast chicken etc.The article that will pack in such corner are " packing food ".

When the first basic display B (first row and the secondary series that the left side of Figure 10 begins) goes up the article appointment button 22 that touches and assign " packing food ", controller 253 is reduced in the brightness of the user area B2 among the basic display B that shows on the LCD 210, generate classification and select to show E, switching and to be presented at the Transaction Information B21 that shows among the B2 of user area, and classification is selected to show that E is presented at (first row and first that the left side of Figure 21 begins is listed as) on the LCD 210.Classification select to show that E by take advantage of the roll display of four array by four of row and column, shows 16 kinds of different food products that comprise in " packing food " classification.

When the Transaction Information B21 of the user area B2 among the basic display B being switched and be shown as classification when selecting to show E (first row that the left side of Figure 21 begins and first row), controller 253 makes guiding viewing area B1 show to explain " button that please touch the article that you have " and the picture that is used for assisting this explanation.Thus, the client knows him what next step will do.

Thus, when touching and having assigned by touch panel 211 about one among the classification selection demonstration E of " packing food ", the classification registration that controller 253 generates this food shows F, and make user area B2 show that the classification registration of this food that is generated shows F, keep reducing the brightness of the user area B2 (first row and the secondary series that the left side of Figure 21 begins) among the basic display B simultaneously.Figure 21 shows the example that touches and assigned " Deep-fried meatballs ".In the case, occur showing F (first row and the secondary series that the left side of Figure 21 begins) about the classification registration of " Deep-fried meatballs ".The classification registration shows that F comprises Transaction Information, as article price, discounted cost, the amount that will buy and purchasing price.Type registration show F also comprise character based on the text data of the Item Title of article, based on the picture and the numerical key of the view data of article.Numerical key makes it possible to change the input (its default setting is 1) of the quantity that will buy.In example shown in Figure 21, use numerical key, the quantity that input will be bought also changes into 2 with it.

When having shown on the user area B2 in basic display B that the classification registration shows F (first row and the secondary series that the left side of Figure 21 begins), controller 253 makes guiding viewing area B1 show and explains " please use the numerical key input, and touch " decision " button to changing quantity purchase " and the picture that is used for auxiliary this explanation.Thus, the client knows him what operation next step will carry out.

Thus, according to guiding, when the client as required and use classes registration show numerical key on the F (first row and the secondary series that the left side of Figure 21 begins) change buy number after, touch and when assigning decision button F2 by touch panel 211, by the quantity that will buy that default number or use numerical key change and import, registration is about the classification registration of selected food (" Deep-fried meatballs " in the example shown in Figure 21).After this, controller 253 make not to show to read confirms to show C (second row and the 4th row that the left side of Figure 21 begins), and makes Display Category select to show E (left side of Figure 21 begin first go and the 3rd row).Here, for the second time later classification selects to show that E shows decision button E2, replaces return push-button E1.Thereby, can repeatedly be registered in classification and select to show that E goes up the food that shows, up to touching and assigned decision button E2 by touch panel 211.

Select to show that in for the second time later classification E (first row and the 3rd row that the left side of Figure 21 begins) locates, controller 253 makes guiding viewing area B1 show to explain " please touch the button of the article that you have, and touch " decision " button after having registered all packing food " and the picture that is used for assisting this explanation.Thus, the client knows him what operation next step will carry out.

Thus, for all food of client's packing, he selects to show that by classification E and classification registration show the operation that F repeats to register according to guiding.When the registration finished all packing food, the client touches and assigns decision button E2 by touch panel 21.Thus, controller 253 generates to read confirms to show C, and reading of being generated confirmed to show that C is superimposed upon (second row and the 3rd row that the left side of Figure 21 begins) on the B2 of user area.In addition, controller 253 changes the guiding viewing area B1 among the basic display B into guiding demonstration " please article being put into shopping bag or my basket " (second row and the 3rd row that the left side of Figure 21 begins).

(ii) second weight check is handled

After this, carrying out weight check handles.For the packing article, carry out with above-mentioned weight check and handle different weight check processing.Be convenient, above-mentioned weight check is handled be called first weight check and handle, and the weight check that will be used for " packing food " is called second weight check and handles.

As mentioned above, show article appointment button B22 on the user area B2 in basic display B, it comprises 6 kinds of touch buttons " vegetables ", " fruit ", " prepared food ", " fish ", " other " and " packing food ".The article that will assign button B22 appointment by article are set in PLU file PF.In these article, assign the appointment of button B22 and the non-PLU article of assigning are provided with corresponding weight data in category file based on the article that comprise " vegetables ", " fruit ", " prepared food ", " fish " and " other ".Thus, make the weight check of winning be treated as possibility.Simultaneously, assign the appointment of button B22 based on the article that comprise " packing food " and the non-PLU article of assigning are not provided with corresponding weight data in category file.Thereby, do not carry out first weight check and handle, therefore carry out second weight check and handle.

In second weight check is handled, based on determining from the input of platform balance device 301 whether article are placed on the mounting table 303a.That is, at platform balance device 301 places, if the weight that is taken by weighing increases (even little by little), then definite packing article of being registered are correctly put into shopping bag or my basket or are placed on the interim mounting table 306.In other words, carrying out rough weight check handles.

In the case, confirm to show that the preparation that C is superimposed on the user area B2 of basic display B shows in (second row and the 3rd row that the left side of Figure 21 begins) reading, guide viewing area B1 to show that the guiding identical with first weight check " please put into article shopping bag or my basket ".

However, the self-checking at 101 places of the self-checkout terminal in embodiments of the invention operation based on read the bar code that adheres to article by bar code scanner 203 and will read after article put into shopping bag 401 or my basket or be put into operation on the interim mounting table 306.Therefore, as required, different with the normal running operation of non-PLU article, it assigns the appointment of button B22 to register based on article.Because operational such difference, after the packing article that the client will register are put into shopping bag 401 or my basket or are placed on article on the interim mounting table 306, he may put into shopping bag 401 or my basket with unregistered packing article or place it on the interim mounting table 306, in other words, " placing twice " can take place in expection.When such " placing twice " took place, being included in article in the non-PLU article, that carry out the processing of first weight check will be mistake, therefore, big problem does not take place.

Simultaneously, for being included in article in the non-PLU article packing article of example (in the embodiments of the invention as), when carrying out the processing of second weight check, unregistered article " placing twice " can not be used as mistake, so that carrying out second weight check handles, we can say, be used for determining whether article are placed on the rough weight check processing on the mounting table 303a.In the case, based on having confirmed the weight increase, and when having confirmed that further weight increases, may there be the measurement of it being used as mistake from the input of platform balance device 301.Yet if so do, platform balance device 301 can not be carried out and weigh, up to after article being placed on the mounting table 303a, in special time period, stablized vibration (shaking).Thereby, being necessary to be provided with the setup time section, stop up to vibration, and " the placing twice " of taking place during the section at this moment can not be taken as mistake.

Therefore, in an embodiment of the present invention, whether the weight that is taken by weighing by platform balance device 301 exceeds the value of setting up for the article of carrying out second weight check, and, if exceed, then it is used as mistake.Thus, when before the packing article, " packing twice " taking place,, then may be mistake if general assembly (TW) exceeds the weight of being set up.If such mistake takes place, so, for example, controller 253 can make the weight mistake show that D1 is presented on the basic display B on the LCD 210.

(6) cancellation is assigned

Figure 22 is the exemplary plot that is illustrated in the cancellation demonstration that has occurred when having touched cancel button Y.When touching and having assigned the cancel button Y that in each shows, occurs by touch panel 211, the cancellation that controller 253 generates as shown in figure 22 shows H, reduce the brightness of whole basic display B, and the cancellation that generated is shown that H is shown as be superimposed upon on the basic display B.Cancellation shows that H has shown " stopping shopping? " explanation and "Yes" is shown and two selector button H1 of "No" and H2.Also show " calling " button Z.When touching and having assigned the selector button H1 that "Yes" is shown, controller 253 stops all being handled, and the demonstration on the LCD 210 is turned back to first initial guide demonstration A (first row that the left side of Figure 10 begins and first row).Simultaneously, when touching by touch panel 211 and having assigned the selector button H2 that "No" is shown, controller 253 turns back to back to back previous state with processing.

(7) call out appointment

Figure 23 illustrates the exemplary plot that the salesman that occurred calls out the example of demonstration when having assigned call button Z.When touching and having assigned the call button Z that on each shows, shows by touch panel 211, controller 253 generates the salesman shown in Figure 23 (A) and calls out demonstration I, reduce the brightness of whole basic display B, and the salesman who is generated called out show that I is shown as and be superimposed upon on the B2 of user area.The salesman calls out that demonstration I has shown " calling out the salesman? " explanation and "Yes" is shown and two selector button I1 of "No" and I2.When touching by touch panel 211 and having assigned the selector button I1 that "Yes" is shown, controller 253 makes the salesman call out to show that I changes the demonstration shown in Figure 23 (B) into.Salesman shown in Figure 23 (B) calls out and shows that I has shown the explanation of " salesman comes, and please wait a moment ", has shown the calling cancel button I3 that " cancellation is called out " is shown simultaneously.Here, when touching by touch panel 211 and having assigned the selector button I1 that "Yes" is shown, controller 253 is carried out salesman's call treatment.As call treatment, controller 253 is to waiter's terminal 501 output salesman call informations of being assigned.Simultaneously, when touching by touch panel 211 and having assigned the selector button I2 that "No" is shown, controller 253 stops salesman's call treatment, and processing is turned back to back to back previous state.

(8) clearing

Return explanation based on 10.The settlement button B23 (first row that the left side of Figure 10 begins and first row) of " clearing " is shown on the user area B2 in basic display B.The appointment of settlement button B23 means the final accounts appointment.Thus, when touching by touch panel 211 and having assigned settlement button B23, controller 253 is carried out settlement process.That is, controller 253 generates clearing and shows J, and it is presented at user area B2 upward (the third line that the left side of Figure 10 begins and secondary series).Clearing show J comprise total charge demonstration, be used for method of payment selector button J1 to J5, the return push-button J6 (the third line that the left side of Figure 10 begins and secondary series) that is used to turn back to the first initial demonstration B of " turning back to detailed demonstration " is shown.Selector button J1 is used for cash, and selector button J2 is used for credit card, and selector button J3 is used for the non-contact IC card of electronic money type, and selector button J4 is used for the non-contact IC card to the bank account charge, and selector button J5 is used for gift token.Thus, when the client passes through touch panel 211 touches at settlement terminal 201 places and assigns settlement button B23, for handling the settlement amounts obtain by the article sales data, controller 253 is carried out settlement process by cash, electric magnetic card, electronic money type non-contact IC card or bank account charge type non-contact IC card such as credit card.

Claims (7)

1, a kind of self-checkout terminal comprises:

Settlement terminal (201) comprises the user interface (203,210,211) that is used to import the article sign indicating number;

Platform balance device (301), be provided for placing the placement part (303a, 306) of the article that its article sign indicating number has been transfused to by described user interface, this platform balance device is used to measure the weight that is placed on the article on the described placement part, and the gravimetric value that is used for recording is sent to described settlement terminal

It is characterized in that comprising:

Be used under predetermined condition, will store into as last weight the parts of storer (254, WCF) from the gravimetric value that described platform balance device transmits; And

The parts of be used for when importing the article sign indicating number, operating below the execution by described user interface,

I) search is handled, and is used for searching for corresponding price and weight range from storing with the product data file (WDF) of corresponding price of each article sign indicating number and weight with rewriteeing;

Ii) weight check is handled, and is used for determining whether be included in the weight range that obtains by described search processing from the gravimetric value of described platform balance device transmission and the difference of the gravimetric value between the last weight that described storer is stored; And

Iii) Item Information registration process, be used in the result who handles as described weight check, determine that described gravimetric value is included under the condition in the described weight range, stores information, this Item Information comprise the article sign indicating number of input and the price that searches in storer

Wherein, described predetermined condition comprises in the following condition: when determining that as the result who handles as described weight check described gravimetric value is included in the described weight range and when definite gravimetric value that receives from described platform balance device has minimizing with respect to described last weight

And described self-checkout terminal also comprises:

Be used for when determining that the gravimetric value from described platform balance device receives has the parts that reducing when, store the dossier of the weight that reduces with respect to last weight;

Be used for as result as described weight check processing, determine to carry out when gravimetric value is not included within the weight range second definite parts of handling, wherein this second determine to be handled and to be used to determine the gravimetric value that transmits from described platform balance device, and add by one or more gravimetric values that will from the dossier of the weight of described minimizing, obtain whether the difference of the gravimetric value between the gravimetric value that the last weight of storing obtains is included in by described search in storer and handle in the weight range that obtains to have the described part that is in the article the weight check processing so that supposition is removed and whether is put back into once more as the article of the cause of the minimizing of last weight from described placement part; And

Be used for when described second determines that the result who handles is comprised, will be stored as the parts of last weight from the gravimetric value that the platform balance device transmits.

2, a kind of self-checkout terminal comprises:

Settlement terminal (201) comprises the user interface (203,210,211) that is used to import the article sign indicating number;

Platform balance device (301), be provided for placing the placement part (303a, 306) of the article that its article sign indicating number has been transfused to by described user interface, this platform balance device is used to measure the weight that is placed on the article on the described placement part, and the gravimetric value that is used for recording is sent to described settlement terminal

It is characterized in that comprising:

Be used under predetermined condition, will store into as last weight the parts of storer (254, WCF) from the gravimetric value that described platform balance device transmits; And

The parts of be used for when importing the article sign indicating number, operating below the execution by described user interface,

I) search is handled, and is used for searching for corresponding price and weight range from storing with the product data file (WDF) of corresponding price of each article sign indicating number and weight with rewriteeing;

Ii) weight check is handled, and is used for determining whether be included in the weight range that obtains by described search processing from the gravimetric value of described platform balance device transmission and the difference of the gravimetric value between the last weight that described storer is stored; And

Iii) Item Information registration process, be used in the result who handles as described weight check, determine that described gravimetric value is included under the condition in the described weight range, stores information, this Item Information comprise the article sign indicating number of input and the price that searches in storer

Wherein, described predetermined condition comprises in the following condition: when determining that as the result who handles as described weight check described gravimetric value is included in the described weight range and when definite gravimetric value that receives from described platform balance device has minimizing with respect to described last weight

And described self-checkout terminal also comprises:

Be used for when definite gravimetric value that receives from described platform balance device has minimizing with respect to last weight, at storer, storing the parts of the dossier of the weight that reduces;

Be used for as the result who handles as described weight check, carry out the 3rd definite parts of handling when determining that gravimetric value is not included in the weight range, wherein the 3rd determine to handle and to be used for determining that whether the gravimetric value that increases is consistent with one or more gravimetric values that dossier from the weight that reduces obtains, so that whether supposition only is removed and is placed into once more on the placement part as the article of the cause of the minimizing of last weight from described placement part; And

Be used for being when meeting, will being stored in the parts of described storer as last weight from the gravimetric value that described platform balance device transmits as the described the 3rd result who determine to handle.

3, self-checkout terminal as claimed in claim 2 also comprises:

Inform part (217), be used for execution error and inform; And

Be used for allowing when not meeting describedly to inform that the part execution error informs and be used to cancel to the parts of the transformation of described Item Information registration process as the described the 3rd result who determine to handle.

4, a kind of self-checkout terminal comprises:

Settlement terminal (201) comprises the user interface (203,210,211) that is used to import the article sign indicating number;

Platform balance device (301), be provided for placing the placement part (303a, 306) of the article that its article sign indicating number has been transfused to by described user interface, and be used to measure the weight that is placed on the article on the described placement part and the gravimetric value that records is sent to described settlement terminal;

Inform part (217), be used for execution error and inform,

It is characterized in that comprising:

Be used under predetermined condition, will store into as last weight the parts of storer (254, WCF) from the gravimetric value that described platform balance device transmits;

The parts of be used for when importing the article sign indicating number, operating below the execution by described user interface,

I) search is handled, and is used for searching for corresponding price and weight from storing with the product data file (WDF) of corresponding price of each article sign indicating number and weight with rewriteeing;

Ii) weight check is handled, and is used for determining whether be included in the weight range that obtains by described search processing from the gravimetric value of described platform balance device transmission and the difference of the gravimetric value between the last weight that described storer is stored; And

Iii) Item Information registration process, be used in the result who handles as described weight check, determine that described gravimetric value is included under the condition in the described weight range, stores information, this Item Information comprise the article sign indicating number of input and the price that searches in storer

Be used for after having imported article by described user interface, when the gravimetric value of determining to receive from described platform balance device with respect to last weight in when minimizing, arranged, by allowing describedly to inform that the part execution error informs the parts of cancelling to the transformation of Item Information registration process;

Thereby be used for when when the gravimetric value that receives from described platform balance device behind the error informing increases, carry out the parts that weight check is handled the transformation that restarts the Item Information registration process by using the gravimetric value that increases,

Wherein, described predetermined condition comprises: when determining that as the result who handles as described weight check described gravimetric value is included in the described weight range.

5, self-checkout terminal as claimed in claim 4, wherein, when when the gravimetric value that receives from described platform balance device behind the error informing is returned to last weight, the time-out that cancellation error informing and article sales data are handled.

6, self-checkout terminal as claimed in claim 4, wherein, be used as result, do not obtain gravimetric value and be included in definite as a result time the in the weight range, cancel, be included in definite result in the weight range up to obtaining gravimetric value to the transformation of Item Information registration process for weight inspection department reason.

7, self-checkout terminal as claimed in claim 4 also comprises:

Be used for before, have when reducing, allow describedly to inform that the part execution error informs and suspend the parts of the process that follow-up article sales data is handled with respect to last weight when the gravimetric value of determining to receive from described platform balance device by described user interface input article sign indicating number; And

Be used for when when the gravimetric value that receives from described platform balance device behind the error informing is returned to last weight, the parts of the time-out handled of cancellation error informing and article sales data.

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