JP2005308603A - Weight preset pricing device using electric wave system cognitive tag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a weight preset pricing device using electric wave system cognitive tag capable of filling electromagnetically the pricing data of sell-by-weight articles promptly, correctly and precisely in a storage area of the electric wave system cognitive tags. <P>SOLUTION: In the weight preset pricing device which is equipped with a weight measuring section 1 measuring the weight of objects 10, wave system cognition tags are affixed on its back bottom, or are filled in, a control operation section 7 calculating pricing information based on weight information measured in the weight measuring section 1, and a reader/writer transceiver section 4 filling electromagnetically calculated pricing information in a storage area of the electric wave system cognition tags 11, by standing a strut 3 surmounting a weighing dish 9, while extending vertically from a sensor section 2 of the weight measuring section 1, and by setting an aperture 5 for penetration of the strut 3 in the reader/writer tranceiver section 4, the weight measuring section 1 is placed separately below the aforementioned reader/writer transceiver section 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a weight-value-added device using a radio wave system recognition tag, and in particular, uses a reader / writer to determine the weight and price of products sold by weight in tableware quickly, without error, and with high accuracy. The present invention relates to a weight-value adding apparatus using a radio wave type recognition tag that is characterized by a configuration for electromagnetically writing in a storage area of a recognition tag.

  Conventionally, when a product sold by weight is to be valued, the weight sensor is placed on the weight sensor by a combination of a weight sensor and a barcode printer, and the weight measurement information is transferred and calculated to the barcode controller. There is a device that outputs more barcode paper and sticks it to the product sold by weight, but with the spread of non-contact IC tags in recent years, devices using non-contact IC tags have also been sold in the method of pricing products sold by weight. .

See FIG.
FIG. 6 is a schematic configuration diagram of a weight-value adding device used in an automatic payment system using a non-contact IC tag. An electronic balance 52 is placed on a reader / writer antenna 51, and the weight of the tray 53 measured by the electronic balance 52 is shown. The increment of the measured value, that is, the weight of the weighing product 55 is written in the storage area of the non-contact IC tag 54 attached to the back bottom of the tray 53 (see, for example, Patent Document 1).

See FIG.
FIG. 7 is a schematic configuration diagram of a weighing and selling apparatus using a commercially available non-contact IC duck. A reader / writer antenna 62 is placed on the weight sensor 61, and the increment of the weight measurement value is measured by the non-contact IC tag. The data is written in the storage area (for example, see Non-Patent Document 1).

  Such a non-contact IC tag includes a data carrier and the like, and even if it is a size, includes an ID chip or a watermelon card of a business card size, etc., and a radio frequency identification (RFID) duck or RFID These are collectively called cards.

Radio wave type recognition using such an RFID tag is composed of a reader / writer composed of an antenna and a controller, and an ID tag capable of storing information in an electronic circuit, and an excitation field is provided between the ID tag and the reader / writer. Data communication is performed by wireless communication.
JP 2004-021412 A Catalog, GLORY PRODUCT NEWS, “Auto-resist system POSSA-11B-1P”, 2004-02 (obtained March 9, 2004), issued by Glory Shoji Co., Ltd.

  However, in the case of the configuration disclosed in Patent Document 1, the electronic balance 52 interposed between the non-contact IC tag 54 and the reader / writer antenna 51 becomes an obstacle to the excitation field, and the non-contact IC tag 54 There is a problem that there is a possibility of information writing and reading failure.

  In the case of the configuration disclosed in Non-Patent Document 1 described above, an antenna transmission / reception coil cable 64 is provided between the reader / writer antenna 62 placed on the weight sensor 61 and the controller unit 63. Weight measurement values become unstable due to vibrations etc. at all the points of contact with the antenna transmission / reception coil cable 64 coming out of the reader / writer antenna 62 and incorrect weight measurement information and value There is a problem that information may be written into the storage area of the non-contact IC tag.

  Another problem is that the weight measurement value may become unstable due to vibration or the like, which may cause a delay in the weight measurement time.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to electromagnetically write scale sale merchandise value-added data in a storage area of a radio wave system recognition tag quickly, without error, and with high accuracy.

FIG. 1 is a diagram illustrating the basic configuration of the present invention. Means for solving the problems in the present invention will be described with reference to FIG.
In addition, the code | symbol 12 in a figure is a weight information cable which transmits the weight information measured in the weight measurement part 1. FIG.
See FIG. 1 In order to solve the above-mentioned problem, the present invention is a weight measuring unit 1 for measuring the weight of an object 10 having a radio wave type recognition tag 11 attached or embedded on the back bottom, and weight information measured by the weight measuring unit 1. The control calculation unit 7 that calculates the pricing information based on the radio frequency recognition tag 11 including the reader / writer transmission / reception unit 4 that electromagnetically writes the calculated pricing information in the storage area of the radio wave recognition tag 11 is used. In the weight-valued apparatus, by setting up the support column 3 that extends in the vertical direction from the sensor unit 2 of the gravity measurement unit 1 and mounts the weighing pan 9, the reader / writer transmitting / receiving unit 4 is provided with the opening 5 for penetrating the support column 3, The main body of the weight measuring unit 1 is arranged in a non-contact manner with respect to the reader / writer transmitting / receiving unit 4 and in the lower part.

  As described above, the weight measurement unit 1 is connected to the reader / writer transmission / reception unit 4 or the reader / writer transmission / reception unit 4 for weight measurement by disposing the main body of the weight measurement unit 1 in a non-contact manner with respect to the reader / writer transmission / reception unit 4. Since it is not affected by the contact of the antenna cable 8, the weight measurement information of the object 10 placed on the weight measuring unit 1 can be measured accurately and quickly.

  In addition, since the weight measurement unit 1 is arranged below the reader / writer transmission / reception unit 4, an error due to the influence of the weight measurement unit 1 is caused when the value information is electromagnetically written in the storage area of the radio wave system recognition tag 11. The occurrence of writing can be prevented.

  In this case, it is desirable that the support member that supports the reader / writer transmission / reception unit 4 is made of a non-conductive member such as a wooden or resinous material, whereby electromagnetic waves for writing value information are affected by the support member. In this case, erroneous writing can be prevented.

  Moreover, it is desirable that the weighing pan 9 is configured to be detachable from the support column 3, whereby the support column 3 can be easily incorporated into the sensor unit 2.

  In addition, it is desirable to provide a weight-value-adding device using the radio wave system recognition tag 11 with a voice response indicator for recognizing whether or not value information is written in the storage area of the radio wave system recognition tag 11. This makes it easier for customers to bid for products sold by weight.

  The “radio wave system recognition tag” in this specification is a generic term for a chip-sized non-contact IC tag, a card-sized RFID card, and the like, and is a medium having a function of writing data to an internal storage area by a radio wave system. The shape is not limited to a chip shape, a sheet shape, or a card shape.

  Further, the “weight measuring unit” in the present specification means a wide measuring means including an electronic balance and a platform scale, and the term “value information” includes only weight information, weight information + price information, weight It means information + quality / content information and weight information + price information + quality / content information.

  According to the present invention, the weight measuring unit and the reader / writer antenna can be physically separated, and there is no malfunction of the weight measuring unit due to its own weight such as an antenna cable from the reader / writer antenna. Only the weight measurement information of the object on which the tag is attached or embedded can be accurately and quickly written in the storage area of the radio wave type recognition tag.

  In addition, by including quality / content information in the value-added information, the contents of the medicine bottle with the radio wave system recognition tag and the information such as the quality / grade of the agricultural and marine products are written in the storage area of the radio wave system recognition IC tag, Thereby, the management / sorting can be performed.

  In the present invention, the reader / writer antenna is installed and fixed on the upper part using a support so that it does not come into contact with the column attached to the sensor unit of the weight sensor, and the weighing pan is placed on the column without contacting the reader / writer antenna. It is set as the structure to put.

Here, with reference to FIG. 2 thru | or FIG. 5, the weight valuation apparatus using the non-contact IC tag of Example 1 of this invention is demonstrated.
See FIG. 2 and FIG.
FIG. 2 is a schematic configuration diagram of the weight-valued apparatus using the non-contact IC tag according to the first embodiment of the present invention in a state in which the weighing pan is not mounted, and FIG. 3 is a state in which the weighing pan is mounted. It is a schematic block diagram.
Note that the non-contact IC tag in this case typically uses an EEPROM (Electrically Erasable and Programmable Read Only Memory) having a memory capacity of several hundred bytes.

As shown in the figure, the weight measuring unit is composed of an electronic balance 20, and a support column 24 is attached to a sensor unit 22 provided on a main body 21 of the electronic balance 20 through an opening 23. The weight information cable 25 for transmitting the weight information is connected to the control calculation unit 40.
The electronic balance 20 is provided with a display unit 26.
Further, a projection 27 is provided at the tip of the column 24 to be fitted into a recess (not shown) provided in the weighing pan 28 shown in FIG.

  On the other hand, the reader / writer antenna 30 is fixed to a wooden support base 31, and the reader / writer antenna 30 is provided with an opening 32 for allowing the support post 24 to pass through in a non-contact manner. An antenna cable 33 for transmitting write data or the like to the antenna 30 is connected to the control calculation unit 40 in a completely non-contact state with respect to the weight measurement unit.

See Figure 4
FIG. 4 is a conceptual configuration diagram of the reader / writer antenna 30. An excitation coil 34 for writing data to the storage area of the non-contact IC tag is provided on the outer edge side of the reader / writer antenna 30. On the side, a receiving coil 35 for reading data written in the storage area of the non-contact IC tag is provided so as to avoid the opening 32, and these are covered with a resin case.
The exciting coil 34 and the receiving coil 35 are wound several tens of times.

In the reader / writer antenna 30 having such a configuration, the write information is sent to the modulation circuit 43 by the control circuit 42 controlled by the CPU 41 that constitutes the control calculation unit 40, and is modulated for writing by the modulation circuit 43. An excitation field for writing is generated by being applied to the coil 34, and the generated excitation field is read by a coil built in the non-contact IC tag.
On the other hand, the data written in the non-contact IC tag is read by the receiving coil 35, sent to the control circuit 42 via the demodulation circuit 44, and further sent to the CPU 41.

The control calculation unit 40 is provided with a calculation circuit 45 for calculating a price from weight measurement information from the weight measurement unit and unit price information written in the non-contact IC tag, and stores necessary information. A memory area 46 is provided.
Although not shown, the control calculation unit 40 also includes a display panel and voice response, and outputs weight measurement information, pricing information, operation display, and voice guidance.

  With this structure, the weights of the reader / writer antenna 30, the weight information cable 25, and the antenna cable 33 are separated and excluded, and the weight measurement information is only the weighing pan 28 and the support column 24. The measurement information is stored in the control calculation unit 40 as an initial value by adjusting the sensitivity with the electronic balance 20, and the increase in the weight of the object placed on the weighing pan 28 can be accurately measured. It can be stored in the control calculation unit 40.

  In this case, the size of the reader / writer antenna 30 is assumed to be a tray used in an employee cafeteria where the weight measurement object is larger than the sensor unit interval pitch of the electronic balance 20, and the non-contact IC tag is the bottom of the tray. However, the size of the reader / writer antenna 30 can be changed depending on the size of the weight measurement object.

See Figure 5
FIG. 5 is a flowchart illustrating an example of an operation flow of the weight-value adding apparatus according to the first embodiment of the present invention.
A. The container weight information to which the non-contact IC tag is attached and the value information from the container weight information are stored in the memory area of the control calculation unit.
For example, in the case of cooking, the weight information of specific dishes serving dishes to be valued and the information regarding the unit price of the specific dishes serving on these dishes are stored.

Then
B. Sensitivity calibration and sensitivity adjustment of the electronic balance with the weighing pan on it are performed, the reader / writer controller provided in the control calculation unit is initialized, and a weight measurement is awaited.

Then
C. The container attached with the non-contact IC tag containing the measurement object is placed on the weighing pan of the weight-valued device, and the total weight measurement information on the weighing pan is transmitted to the control calculation unit.
That is, in the case of a dish, weight measurement information obtained by adding the weight of the dish on the tableware and the weight of the tableware itself is transmitted to the control calculation unit.

Then
D. From the total weight measurement information transmitted, the table weight information pasted with the non-contact IC tag stored in A and the dish weight obtained by subtracting the non-contact IC tag are calculated, and the value information is read from the control calculation unit. Send to writer controller.
That is, only the weight of the net dish is taken out and the price information obtained by multiplying the unit price information is transmitted to the reader / writer controller.

Then
E. Generate an excitation field with a reader / writer antenna,
F. Judge whether the value information can be written in the non-contact IC tag storage area, and if it is writable,
G. Write to the storage area of the non-contact IC tag affixed to the bottom of the container, otherwise follow the instruction guidance of the control calculator.
The operation steps A to G can be instructed to the user by a display message and voice guidance in the control calculation unit.

  In this case, as described above, the sensor unit, the weighing pan, and the reader / writer coil are physically separated from each other in a non-contact manner. The weight value of the measurement object accommodated in the attached container can be measured accurately and quickly.

Although the embodiments of the present invention have been described above, the present invention is not limited to the configurations and conditions described in the embodiments, and various modifications can be made.
For example, in the above embodiment, since the weight measurement unit is assumed to be several hundred grams to several kilograms as a measurement target, the sensor unit is provided with four points. However, when the measurement weight is several grams to several tens of grams, The sensor unit may be of a single type, and the number of sensor units is arbitrary.

  In the description of the above embodiment, the reader / writer support base is made of wood, but may be any non-conductive material that does not affect the excitation field emitted from the reader / writer antenna, and is made of resin such as acrylic resin. It is good.

  In the description of the above embodiment, the weighing pan and the support column are configured to be detachable, but may be configured to be fixed with a screw, an adhesive, or the like.

  Moreover, in the description of the above embodiment, although it is described as a pricing process for the weighing product, by storing quality information such as grade or type in advance in the non-contact IC tag instead of unit price information, It can be applied to inventory management and product sorting.

  As an example of use of the present invention, weight value of products sold by weight such as dishes is typical, but a non-contact IC tag storing information on contents is attached to a medicine bottle, or agricultural and marine products By attaching a non-contact IC tag storing information such as weight and place of production to the bottom of the storage box, it can also be applied to management and sorting.

It is explanatory drawing of the fundamental structure of this invention. It is a schematic block diagram in the state which does not mount the weighing pan of the apparatus with a weight value using the non-contact IC tag of Example 1 of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic block diagram in the state which mounted the weighing pan of the weight valued apparatus using the non-contact IC tag of Example 1 of this invention. It is a notional block diagram of the reader / writer antenna in Example 1 of the present invention. It is explanatory drawing. It is a flowchart which shows an example of the operation | movement flow of the weight valuation apparatus of Example 1 of this invention. It is a schematic block diagram of the weight valued apparatus used for the automatic payment system using a non-contact IC tag. It is a schematic block diagram of a weighing and selling apparatus using a commercially available non-contact IC duck.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Weight measuring part 2 Sensor part 3 Support | pillar 4 Reader / writer transmission / reception part 5 Opening part 6 Support body 7 Control calculating part 8 Antenna cable 9 Weighing pan 10 Target object 11 Radio wave system recognition tag 12 Weight information cable 20 Electronic balance 21 Main part 22 Sensor Unit 23 Opening 24 Support column 25 Weight information cable 26 Display unit 27 Protruding unit 28 Weighing pan 30 Reader / writer antenna 31 Support base 32 Opening unit 33 Antenna cable 34 Excitation coil 35 Reception coil 40 Control operation unit 41 CPU
42 Control Circuit 43 Modulation Circuit 44 Demodulation Circuit 45 Arithmetic Circuit 46 Memory Area 51 Reader / Writer Antenna 52 Electronic Scale 53 Tray 54 Non-Contact IC Tag 55 Weighing Product 56 Controller 57 Tray Placement Table 61 Weight Sensor 62 Reader / Writer Antenna 63 Controller 64 Antenna transmit / receive coil cable 65 Weight information cable

Claims (5)

A weight measuring unit for measuring the weight of an object having a radio system recognition tag attached or embedded on the bottom, a control calculating unit for calculating pricing information based on weight information measured by the weight measuring unit, and the calculated pricing In a weight valuation apparatus using a radio wave system recognition tag having a reader / writer transmission / reception unit that electromagnetically writes information in a storage area of the radio wave system recognition tag, a weighing pan extends in a vertical direction from the sensor unit of the gravity measurement unit. The main body of the weight measuring unit is disposed in a non-contact manner with respect to the reader / writer transmission / reception unit by raising the column to be mounted and providing an opening for penetrating the column in the reader / writer transmission / reception unit. A weight-value adding device using a radio wave type recognition tag characterized by. The weight valuation device using the radio wave system recognition tag according to claim 1, wherein the support member for supporting the reader / writer transmitting / receiving unit is formed of a non-conductive member. The weight valuation device using the radio wave system recognition tag according to claim 2, wherein the non-conductive support member is either wooden or resinous. The weight valuation apparatus using the radio wave system recognition tag according to any one of claims 1 to 3, wherein the weighing pan is detachable from the support column. 5. The radio wave system recognition tag according to claim 1, further comprising a voice response indicator for recognizing presence / absence of writing of value information in a storage area of the radio wave system recognition tag. Weight valued device using

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