JPH08315247A - Commodity managing method - Google Patents

Abstract

PURPOSE: To efficiently and accurately perform management such as the distribution sales, inspection, survey, etc., of an expensive commodity. CONSTITUTION: A readable and writable data carrier 10 which receives electric power by rectifying the signal from a reader writer 20 is incorporated in a nonmetal article such as a bag 1, and the reader writer 20 writes commodity management data in the data carrier 10 and also reads commodity management data out of the data carrier 10 to manage the commodity. A spectrum spread signal is used for the signal transmission from the data carrier 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to expensive products such as bags made of non-metals such as leather and cloth, and manufactures and sells the products.
It has a built-in data carrier in which management data related to maintenance, etc. is written, and the internal data of the data carrier is read or additionally written, and correction is performed, so that distribution and sales can be performed.
It relates to a product management method that efficiently and fairly conducts inspections and inspections.

[0002]

2. Description of the Related Art Conventionally, as a product management method of this type,
A nameplate or tag is attached to the product, and a trademark, manufacturer name,
Some product information such as date of manufacture, material, etc. and manufacturing serial number are attached. Therefore, the manufacturing factory, lot number, manufacturing manager, sales date, maintenance (repair) history, etc.
The product serial number is used to search the product register.

[0003]

However, in such a conventional product management method, there is little data that can be written on the nameplate or the tag, and data relating to manufacturing and sales is required when a defect occurs in the expensive product. However, it was necessary to obtain the data from the manufacturer or the seller by the serial number, which required a great deal of trouble.

Further, if only the brand, tag, or mark is managed, it is relatively easy to forge, and it is not possible to prevent the forgery of expensive merchandise. In particular, airport customs, etc., which must instantly identify the authenticity, etc. Then, there was a problem that special skill was required. The present invention has been made in view of such conventional problems, and provides a product management method capable of efficiently and accurately managing distribution and sale of expensive products, inspection, inspection, and the like. With the goal.

[0005]

In order to achieve this object, in the product management method of the present invention, a readable data carrier that rectifies a signal from the reader to be a power source is built in the product, and The product is managed by reading the product information in the data carrier.

According to the present invention, a readable / writable data carrier for rectifying a signal from a reader / writer as a power source is built in a product, and product management data is written to the data carrier by the reader / writer and product management of the data carrier is performed. It is characterized by reading data and managing products. Here, a spread spectrum signal is used for signal transmission from the data carrier. The reader / writer may have a transmission / reception coil for transmitting signals in a non-contact manner, and this transmission / reception coil may be a separate unit from the main body.

[0007]

According to the product management method of the present invention as described above, a data carrier is built into a product such as an expensive bag, and at the time of factory shipment, the product code, the manufacturing date, the manufacturing data of the manufacturing factory, etc. are written and sold. At the store, sales data such as a store, a seller, and a sales date is written at the time of sale. Since management data such as manufacturing data and sales data are written in the data carrier built into the product, when a problem occurs after the product is sold, the manufacturing data and sales data can be immediately read to provide a prompt response. it can.

Further, by adopting a special communication system using a spread spectrum signal for writing and reading communication of the product code, forgery can be surely prevented and the authenticity can be instantly identified. Further, by using the transmission / reception coil of the reader / writer as a separate unit from the main body, the reading operation can be facilitated when the data carrier is built in the handle or the like of the product.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of a system configuration to which the product management method of the present invention is applied. In this example,
An expensive bag 1 is taken as an example of a product to be managed. The bottom surface of the bag 1 has a data carrier 10 at the time of manufacture.
Is sewn in. The reader / writer 20 can write and read manufacturing data and sales data to and from the data carrier 10.

The reader / writer 20 has a display 29 for displaying data and a keyboard 30 for setting the data, and the bag 1 having the data carrier 10 sewn on the bottom of the transmitter / receiver coil 11 on the top of the reader / writer 20. The data of the data carrier 10 can be read and written in the state of being loaded. Further, the reader / writer 20 is connected to the management computer 4 via the interface cable 3 and can read and write the data carrier 10 under the control of the management computer 4.

FIG. 2 shows a circuit block of the data carrier 10 and the reader / writer 20 provided in the bag 1 of FIG. The data carrier 10 includes a transmission / reception coil 11, a frequency discriminator 12, an S / P converter 13, a controller 14, and an EEPR.
It is composed of an OM 15, a P / S converter 16, an M-sequence generator 17, an oscillator 18, and a power supply rectifying circuit section 19. As the transmission / reception coil 11, a single coil that serves both as a transmission coil and a reception coil is used. Of course, the transmitting coil and the receiving coil may be separately provided.

The reader / writer 20 includes a control unit 21 and P / S.
Converter 22, modulator 23, oscillator 24, power amplifier 2
5, transmitting / receiving coil 26, preamplifier 27, correlator 28,
It is composed of a display unit 29, a keyboard 30 and an I / F unit 31. As the transmission / reception coil 26, a two-coil one in which a transmission coil and a reception coil are separately provided is used. The writing operation on the data carrier 10 by the reader / writer 20 is as follows. First, a write command is generated from the control unit 21 by an external command via the keyboard 30 of the reader / writer 20 or the I / F unit 31, and the P / S converter 22 converts the parallel signal into a serial signal. , In the next modulator 23,
It is converted into a frequency displacement modulation wave signal (FSK modulation signal) of frequencies F0 and F1 output from the oscillator 24.

That is, data bit 0 is converted into a signal of frequency F0, and data bit 1 is converted into a signal of frequency F1. The frequency displacement modulation wave signal output from the modulator 23 is power-amplified by the power amplifier 25, and the transmission / reception coil 2
6 is transmitted as an electromagnetic field signal. The transmission / reception coil 11 of the data carrier 10 produces an induced electromotive force by the electromagnetic field signal transmitted from the transmission / reception coil 26 of the reader / writer 20. That is, a signal due to an induced electromotive force is generated in the transmission / reception coil 11 of the data carrier 10 by electromagnetic induction by causing the frequency displacement modulation wave signal to flow in the transmission / reception coil 26. The signal induced in the transmission / reception coil 11 is rectified by the power supply rectification circuit unit 19 and used as a power supply for each unit in the data carrier 10. Therefore, the data carrier 10 does not need to have a built-in battery.

The signal induced in the transmission / reception coil 11 is discriminated into frequencies F0 and F1 by the frequency discriminator 12 and the data bit 01 by the next S / P converter 13.
Are converted into parallel signals and are given to the control unit 14. The control unit 14 decodes the write command sent from the reader / writer 20, and writes the next sent data in the memory area of the EEPROM 15 designated by the subsequently sent address.

In this way, as the management data of the product written in the EEPROM 15 of the data carrier 10 by the reader / writer 20, for example, in the manufacturing stage, the product code of the product, the manufacturing date, the manufacturing data of the manufacturing factory, etc. Write. Also, when selling at a store, sales data such as the store, seller, date of sale, etc. is written. Further, when the product is repaired, maintenance data such as a repair date and repair details are written after manufacturing.

Next, the reading operation of the data carrier 10 by the reader / writer 20 will be described. First, the reader / writer 20
A read command is generated from the control unit 21 by an external command via the keyboard 30 or the I / F unit 31 of the
A serial signal is generated by the / S converter 22, and the modulator 23
Are converted into frequency displacement modulated wave signals of frequencies F0 and F1 by the power amplifier 25 and amplified by the power amplifier 25.
Is transmitted as an electromagnetic field signal.

Transmission / reception coil 11 of data carrier 10
Is an electromagnetic field signal generated by the frequency displacement modulation wave signals of the frequencies F0 and F1 transmitted from the transmission / reception coil 26 of the reader / writer 20, and the induced signal is rectified by the power supply rectification circuit unit 19, A power supply for each part is generated and brought into an operating state. At the same time, the frequency discriminator 12 discriminates between the frequencies F0 and F1, the S / P converter 13 converts the signals into parallel signals, and the signals are supplied to the controller 14.

When the control unit 14 decodes the read command sent from the reader / writer 20, the control unit 14 reads the data from the memory area of the EEPROM 15 designated by the subsequently sent address. This read signal is P / S
Converted into a serial signal by the converter 16, and the M-sequence generator 1
7 is supplied. The M-sequence generator 17 generates a unique M-sequence signal as a spread spectrum signal according to the data bits 0 and 1, and the M-sequence signal and the signal from the oscillator 18 generate an M-sequence phase-modulated carrier signal (PSK modulation signal). ) And is transmitted from the transmission / reception coil 11.

The electromagnetic field signal based on the M-sequence phase-modulated carrier signal transmitted from the data carrier 10 is received by the transmission / reception coil 26 of the reader / writer 20, amplified by the preamplifier 27, and input to the correlator 28. Correlator 2
In 8, the autocorrelation between the input signal and the same predetermined M-sequence code used in the M-sequence generator 17 of the data carrier 10 is calculated, and the M used in the calculation for obtaining the autocorrelation peak value. Data bit 0 or 1 corresponding to the sequence code is determined as received data.

By repeating the receiving operation with respect to the transmission signal from the data carrier 10 as described above, the data of the data carrier 10 is read and displayed on the display 29, or for management externally connected via the I / F unit 31. The read data can be transferred to the computer 4 or the like.
The M-sequence code used for signal transmission for reading from the data carrier 10 is a kind of signal sequence called a pseudo-random noise sequence in spread spectrum communication, and unless the M-sequence code code is known, Since it cannot be identified, it is also used as a code. Therefore, it is not possible for a third party to forge the data carrier 10 incorporated in the product according to the present invention.
It can be said that it is almost impossible because the M series used for is unknown.

Therefore, the merchandise management method of the present invention can be used not only for the management of merchandise but also for determining whether the merchandise is counterfeit. For example, by installing the reader / writer 20 shown in FIG. 1 as an inspection device for airport customs or the like, it is possible to quickly and surely identify the authenticity of a product and prevent a copy product from being brought in. In addition, as an example of use when the system of the present invention is installed in customs,
By writing out the export data with a reader / writer when you export a product with a built-in data carrier and reading the export data when re-entering Japan, you can save the trouble of creating a foreign export slip of foreign products in customs procedures. it can.

Further, in the present invention, since the spread spectrum communication system is used as the communication system for reading the data from the data carrier 10, the signal-to-noise ratio (S /
Even in a communication environment with a poor N ratio, signal transmission with a low error rate can be performed. FIG. 3 (A) shows another embodiment of the system configuration of the present invention, which is characterized in that the reader / writer 20 is a battery-driven portable type. The portable reader / writer 20 with a built-in battery includes a display 29 and a keyboard 30.
Further, a coil unit 32 having a transmission / reception coil 26 is separately provided for the main body to connect the cable.

Such a portable reader / writer 2
In the case of 0, the reader / writer 20 main body can be held by hand and the data of the data carrier 10 provided on the product can be easily read by the coil unit 32 which is independently manufactured. This coil unit 32 is used for the reader / writer 20.
The configuration separately provided with respect to the main body is convenient when the data carrier 10 is built in a place other than the bottom of the bag 1, for example, in the handle shown in the drawing.

Further, the data carrier 10 built in the handle of the bag 1 of FIG. 3A is different from the coin-shaped data carrier 10 built in the bottom of the bag 1 of FIG.
As shown in FIG. 3 (B) by taking out, it has a small tubular shape. The small cylindrical data carrier 10 of FIG.
A coil 11b is wound around a ferrite core 11a as a transmission / reception coil inside the case 11d, and the coil 11b is connected to the circuit chip 11c.

By having such a small tubular shape,
The data carrier 10 can be built in a limited place such as a handle of the bag 1 as shown in FIG. Of course, the circuit of the data carrier 10 of FIG. 2 is incorporated in the circuit chip 11c of FIG. 3 (B). In the above embodiment, the bag is used as an example of the product, but the bag,
The same can be applied to the management of expensive goods such as clothes.

Further, in the above-mentioned embodiment, an example has been described in which the EEPROM is used as the memory of the data carrier and the data can be read and written by the reader / writer.
It is apparent that the ROM in which the data is written is used as the memory and the read-only device is used only by the reader so that the data cannot be modified.

[0027]

As described above, according to the present invention, the following effects can be obtained. First, by embedding a data carrier in the product and writing the necessary management data, it is possible to give the product itself much more information than with conventional nameplates and tags, and to manage manufacturing, sales, distribution, etc. more. Can be efficient.

Further, it is possible to automatically and instantly determine the authenticity of a product, which has conventionally relied on experience, by reading the data carrier incorporated in the product by a reader / writer. Further, since the M-sequence spread spectrum signal is used for signal transmission from the data carrier, it is almost impossible to forge the data carrier, and therefore, it is possible to surely prevent the forgery of the product containing the data carrier. be able to.

Further, since the data carrier is not only readable but also writable, it is possible to write sales data such as a sales department, a store, a product price, and maintenance data such as a repair date and repair contents after manufacturing, and to distribute the data. Manage and service users more efficiently. In addition, in customs procedures, it is prohibited to bring in copied products by discriminating authenticity, writing out carry-out data when taking products out of the country with a built-in data carrier, and reading out the carry-out data when re-entering the country It is possible to save the labor of preparation work, and by using the present invention for customs work, labor saving of customs work can be achieved.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing an example of a system configuration according to the present invention.

FIG. 2 is a circuit block diagram of a data carrier and a reader / writer of the present invention.

FIG. 3 is an explanatory diagram showing another embodiment of the present invention.

[Explanation of symbols]

 1: Bag (product) 4: Management computer 10: Data carrier 11, 26: Transmission / reception coil 11a: Ferrite core 11b: Coil 11c: Circuit chip 11d: Case 12: Frequency discriminator 13: S / P converter 14, 21 : Control unit 15: EEPROM 16, 22: P / S converter 17: M series generator 18, 24: Oscillator 19: Power supply rectification circuit unit 20: Reader / writer (read / write device) 23: Modulator 25: Power amplifier 27: Preamplifier 28: Correlator 29: Display 30: Keyboard 31: I / F section 32: Coil unit

Claims (4)

[Claims] 1. A readable data carrier that rectifies a signal from a reader and serves as a power source is built into a product, and the reader manages the product by reading product information in the data carrier. Product management method. 2. A readable / writable data carrier for rectifying a signal from a reader / writer as a power source is built into a product, and product management data is written to the data carrier by the reader / writer and product management of the data carrier is performed. A product management method comprising reading data to manage the product. 3. The commodity management method according to claim 1, wherein a spread spectrum signal is used for signal transmission from the data carrier. 4. The product management method according to claim 1, wherein the reader / writer has a transmission / reception coil for transmitting signals in a contactless manner, and the transmission / reception coil is a separate unit from the main body. Product management method characterized by.