WO2014075617A1

WO2014075617A1 - Product anti-counterfeiting device and product anti-counterfeiting method thereof

Info

Publication number: WO2014075617A1
Application number: PCT/CN2013/087135
Authority: WO
Inventors: 黄臻
Original assignee: 国民技术股份有限公司
Priority date: 2012-11-15
Filing date: 2013-11-14
Publication date: 2014-05-22
Also published as: CN103810518B; CN103810518A

Abstract

Provided is a product anti-counterfeiting device, comprising a first piezoelectric ceramic, a second piezoelectric ceramic, a rectification circuit, a memory circuit, and a drive circuit; the data output terminal of the memory circuit is directly or indirectly connected to the data input terminal of the drive circuit; the drive output terminal of the drive circuit is connected to the electrode terminal of the second piezoelectric ceramic; the memory circuit stores the anti-counterfeiting data, and outputs the anti-counterfeiting data to the drive circuit after powered on; the drive circuit modulates the anti-counterfeiting data, and drives the second piezoelectric ceramic to audibly issue the modulated anti-counterfeiting data. Also provided is a product anti-counterfeiting method. With the above manner, the present invention makes the content of an anti-counterfeiting tag hard to copy, and can be used at low cost for a product package made of metallic materials.

Description

Product anti-counterfeiting device and anti-counterfeiting method thereof

【技术领域】[Technical Field]

The invention relates to the technical field of anti-counterfeiting, in particular to a product anti-counterfeiting device and a product anti-counterfeiting method thereof.

【背景技术】【Background technique】

The anti-counterfeit label can be affixed, printed, transferred on the surface of the target object, or on the label of the object, or on the attachment of the object (such as commodity listing, business card and anti-counterfeit label), and has an anti-counterfeiting effect.

The inventor of the present application found in the long-term research and development that the existing anti-counterfeit label schemes, such as graphic digital anti-counterfeit labels, include two-dimensional codes, barcodes or directly printed characters, so that the label contents are easily copied; others, such as laser anti-counterfeiting Although the label content is not easy to be copied, the laser anti-counterfeit label only carries a single information content, and once it is copied, its anti-counterfeiting function will be invalidated. There is also a radio frequency anti-counterfeit label, which has a high cost and is packaged in a metal material. Cannot be used.

【发明内容】 [Summary of the Invention]

In order to at least partially solve the above problems, the present invention provides a product anti-counterfeiting device and a product anti-counterfeiting method thereof, which can make the contents of the anti-counterfeit label difficult to be copied, can be used when the packaging of the product is a metal material, and the cost is not high.

In order to solve the above technical problem, a technical solution adopted by the present invention is to provide a product anti-counterfeiting device, comprising: a first piezoelectric ceramic, a second piezoelectric ceramic, a rectifier circuit, a storage circuit and a driving circuit; and a first piezoelectric ceramic The utility model comprises an electrode terminal, the second piezoelectric ceramic comprises an electrode terminal, the rectifier circuit, the storage circuit and the driving circuit are respectively provided with a power input terminal, the rectifier circuit comprises a power output terminal, and the electrode terminal of the first piezoelectric ceramic is connected to the power input terminal of the rectifier circuit The power output terminal of the rectifier circuit is respectively connected to the power input terminal of the storage circuit and the driving circuit; wherein, the first piezoelectric ceramic converts the received physical excitation into a computer to be supplied to the rectifier circuit; the driving circuit includes a data input terminal and a driving output The terminal, the storage circuit includes a data output terminal, and the data output terminal of the storage circuit is directly or indirectly connected to the data input terminal of the drive circuit, and the drive output terminal of the drive circuit is connected to the electrode terminal of the second piezoelectric ceramic; wherein the storage circuit stores the anti-counterfeit data And output protection after power-on Data to the drive circuit, the drive circuit modulates the security data, and driving the second piezoelectric ceramic to the security data modulated to emit sound.

Wherein, the device comprises an encryption circuit, the encryption circuit comprises a power input terminal, a data input terminal and a data output terminal, and the power input terminal of the encryption circuit is connected to the power output terminal of the rectifier circuit; the data output terminal of the storage circuit is indirectly connected to the data input terminal of the drive circuit It means that the data output terminal of the storage circuit is connected to the data input terminal of the encryption circuit, and the data output terminal of the encryption circuit is connected to the data input terminal of the drive circuit; wherein the encryption circuit uses the rolling encryption algorithm and the fixed key to store the anti-counterfeit data of the circuit Encryption is performed to generate encrypted data that is not repeated.

The rectifier circuit, the storage circuit, the encryption circuit, and the driving circuit are all integrated on the chip.

The rectifier circuit rectifies the received electrical energy to obtain a DC power source.

The storage circuit is a mask read-only storage circuit, a programmable read-only storage circuit, a rewritable read-only storage circuit or a flash erasable read-only storage circuit.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a product anti-counterfeiting device, comprising: a piezoelectric ceramic, a rectifying circuit, a storage circuit and a driving circuit; the piezoelectric ceramic includes a first electrode terminal and a second electrode The terminal, the rectifier circuit, the storage circuit and the driving circuit are all provided with a power input terminal, the rectifier circuit comprises a power output terminal, the first electrode terminal of the piezoelectric ceramic is connected to the power input terminal of the rectifier circuit, and the power output terminal of the rectifier circuit is respectively connected to the storage circuit And a power input terminal of the driving circuit; wherein the piezoelectric ceramic converts the received physical excitation into electrical energy to be supplied to the rectifying circuit; the driving circuit includes a data input terminal and a driving output terminal, and the storage circuit includes a data output terminal, and the data of the storage circuit The output terminal is directly or indirectly connected to the data input terminal of the driving circuit, and the driving output terminal of the driving circuit is connected to the second electrode terminal of the piezoelectric ceramic; wherein the storage circuit stores the anti-counterfeiting data, and outputs the anti-counterfeiting data to the driving circuit after the power is turned on, Drive circuit modulation Dummy data, and the security of driving piezoelectric ceramics data modulated to emit sound.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a product anti-counterfeiting method, including: piezoelectric ceramic converts received physical excitation into electric energy; rectifies electric energy to obtain DC power supply; and uses DC power supply Supplying power to the storage circuit and the driving circuit, wherein the storage circuit stores anti-counterfeiting data; after the power supply, the storage circuit outputs the anti-counterfeiting data to the driving circuit; the driving circuit modulates the anti-counterfeiting data, and drives the piezoelectric ceramic to modulate the anti-counterfeit data to sound issue.

The step of causing the storage circuit to output the anti-counterfeit data to the driving circuit comprises: encrypting the anti-counterfeiting data of the storage circuit by using a rolling encryption algorithm and a fixed key to generate non-repeated encrypted data, and outputting the data to the driving circuit.

Wherein, the step of driving the piezoelectric ceramic to emit the modulated anti-counterfeiting data by sound comprises: driving the same piezoelectric ceramic or another piezoelectric ceramic to emit the modulated anti-counterfeiting data by sound.

The storage circuit and the driving circuit are integrated on the chip.

The beneficial effects of the present invention are: different from the prior art, the embodiment of the present invention converts the physical excitation of the user into electric energy by the piezoelectric ceramic device, rectifies the electric energy, and transmits it to the sound-related circuit to ensure its normal operation. There is no need for additional power supply; at the same time, the anti-counterfeiting data is reported by the sound-related circuit by voice, which makes the content of the anti-counterfeit label difficult to be copied, and can be used when the product is packaged in a metal material and the cost is not high.

【附图说明】 [Description of the Drawings]

1 is a schematic block diagram of a first embodiment of a product anti-counterfeiting device of the present invention;

2 is a schematic block diagram of a second embodiment of the product anti-counterfeiting device of the present invention;

3 is a schematic block diagram of a third embodiment of the product anti-counterfeiting device of the present invention;

Figure 4 is a schematic block diagram of a fourth embodiment of the product anti-counterfeiting device of the present invention;

Figure 5 is a flow chart of the first embodiment of the anti-counterfeiting method of the product of the present invention;

Figure 6 is a flow chart of a second embodiment of the anti-counterfeiting method of the product of the present invention.

【具体实施方式】【detailed description】

Referring to FIG. 1, a first embodiment of a product anti-counterfeiting device of the present invention includes:

The first piezoelectric ceramic 101 includes an electrode terminal whose electrode terminal is connected to the power input terminal of the first rectifier circuit 102 to transmit the electrical energy converted by the first piezoelectric ceramic 101 to the first rectifier circuit 102. The first piezoelectric ceramic 101 converts the received physical excitation of the user into electrical energy to be supplied to the first rectifying circuit 102. The physical excitation action of the user may specifically refer to an action of applying a certain force to the first piezoelectric ceramic 101, such as Knock, rub, squeeze, and bounce. The electric energy converted and output by the first piezoelectric ceramic 101 is alternating current. The first piezoelectric ceramic 101 may be a piezoelectric ceramic sheet.

The first rectifying circuit 102 is provided with a power input terminal, and a power input terminal thereof is connected to the electrode terminal of the first piezoelectric ceramic 101 to receive the electric energy converted by the first piezoelectric ceramic 101. The first rectifying circuit 102 further rectifies the received electric energy to obtain a DC power source, that is, the first rectifying circuit 102 rectifies the alternating current converted and outputted by the first piezoelectric ceramic 101 into a direct current; the first rectifying circuit 102 further has energy storage and voltage stabilization. And other functions. In addition, the first rectifying circuit 102 further includes a power output terminal, and the power output terminal is respectively connected to the first storage circuit 103 and the power input terminal of the first driving circuit 104 to transmit the DC power to the first storage circuit 103 and the first The driving circuit 104 supplies power to the first storage circuit 103 and the first driving circuit 104 to ensure that it operates normally.

The first storage circuit 103 is provided with a power input terminal, and the power input terminal is connected to the power output terminal of the first rectifier circuit 102 to receive the DC power transmitted by the first rectifier circuit 102 to ensure normal operation of the first storage circuit 103. The first storage circuit 103 stores anti-counterfeit data of the product, and includes a data output terminal. The data output terminal of the first storage circuit 103 is directly or indirectly connected to the data input terminal of the first driving circuit 104, and is in the first storage circuit 103. After the power is turned on, the above-mentioned anti-counterfeiting data is outputted to the first driving circuit 104 through its data output terminal. The data output terminal of the first storage circuit 103 in the present embodiment is a data input terminal directly connected to the first drive circuit 104. The first storage circuit 103 may employ a mask read only memory circuit, a programmable read only memory circuit, a rewritable read only memory circuit, or a flash erasable read only memory circuit. The product's anti-counterfeiting data can be used to identify the authenticity of the product.

The first driving circuit 104 is provided with a power input terminal, and the power input terminal is connected to the power output terminal of the first rectifier circuit 102 to receive the DC power transmitted by the first rectifier circuit 102 to ensure normal operation of the first driving circuit 104. The first driving circuit 104 further includes a data input terminal and a driving output terminal, the data input terminal of which is connected to the data output terminal of the first storage circuit 103 to receive the anti-counterfeiting data stored in the first storage circuit 103. The first driving circuit 104 modulates the received anti-counterfeiting data, and the modulation mode of the first driving circuit 104 may specifically adopt a keying frequency shifting, a keying amplitude modulation or a keying shift equal modulation mode. The drive output terminal of the first drive circuit 104 is connected to the electrode terminal of the second piezoelectric ceramic 105, and the first drive circuit 104 drives the second piezoelectric ceramic 105 to emit the modulated anti-counterfeit data.

The second piezoelectric ceramic 105 is provided with an electrode terminal, and an electrode terminal thereof is connected to a drive output terminal of the first drive circuit 104 to effect sound emission of the modulated anti-counterfeit data. The first rectifying circuit 102, the first storage circuit 103, and the first driving circuit 104 are all integrated on the chip to make the component structure of the product anti-counterfeiting device more compact and simple. Of course, the above various circuits may be separately disposed in the product anti-counterfeiting device or two of the above-mentioned circuits may be integrated on the chip, and there is no limitation here.

It can be understood that the first embodiment of the product anti-counterfeiting device of the present invention converts the physical excitation of the user into electric energy by the first piezoelectric ceramic 101, rectifies the electric energy, and transmits the electric energy to the first storage circuit 103, the first driving circuit 104, and the like. The related circuit is ensured to operate normally without additional power supply; at the same time, the anti-counterfeiting data is reported by the sound-related circuit such as the second piezoelectric ceramic 105, so that the content of the anti-counterfeit label is not easily copied, and can be used when the product is packaged in a metal material. And the cost is not high.

Referring to FIG. 2, a second embodiment of the product anti-counterfeiting device of the present invention includes:

The third piezoelectric ceramic 201 includes an electrode terminal whose electrode terminal is connected to the power input terminal of the second rectifier circuit 202 to transmit the electrical energy converted by the third piezoelectric ceramic 201 to the second rectifier circuit 202.

The second rectifying circuit 202 is provided with a power input terminal, and the power input terminal thereof is connected to the electrode terminal of the third piezoelectric ceramic 201 to receive the electric energy converted and output by the third piezoelectric ceramic 201. The second rectifying circuit 202 further rectifies the received electric energy to obtain a DC power source. In addition, the second rectifying circuit 202 further includes a power output terminal, and the power output terminal is connected to the second storage circuit 203, the first encryption circuit 204, and the second driving circuit 205, respectively, to transmit the DC power to the second storage circuit 203, The first encryption circuit 204 and the second driving circuit 205 supply power to the second storage circuit 203, the first encryption circuit 204, and the second drive circuit 205 to ensure normal operation.

The second storage circuit 203 is provided with a power input terminal, and the power input terminal is connected to the power output terminal of the second rectifier circuit 202 to receive the DC power transmitted by the second rectifier circuit 202 to ensure normal operation of the second storage circuit 203. The second storage circuit 203 stores anti-counterfeit data of the product and includes a data output terminal. The data input terminal of the first storage circuit 103 in the above-mentioned first embodiment is indirectly connected to the data input terminal of the first driving circuit 104 in the present embodiment, and specifically refers to the data output terminal of the second storage circuit 203. The data input terminal of the first encryption circuit 204 is connected, and the data output terminal of the first encryption circuit 204 is connected to the data input terminal of the second drive circuit 205. After the second storage circuit 203 is powered on, the anti-counterfeiting data is outputted to the first encryption circuit 204 through its data output terminal.

The first encryption circuit 204 includes a power input terminal, and the power input terminal is connected to the power output terminal of the second rectifier circuit 202 to receive the DC power transmitted by the second rectifier circuit 202 to ensure normal operation of the first encryption circuit 204. The first encryption circuit 204 further includes a data input terminal and a data output terminal, the data input terminal of which is connected to the data output terminal of the second storage circuit 203, and the first encryption circuit 204 uses a rolling encryption algorithm and a fixed key to connect the second storage circuit. The anti-counterfeit data outputted by 203 is encrypted to generate non-repeated encrypted data; the data output terminal of the first encryption circuit 204 is connected to the data input terminal of the second drive circuit 205 to output the encrypted data to the second drive circuit 205.

The second driving circuit 205 is provided with a power input terminal, and the power input terminal is connected to the power output terminal of the second rectifier circuit 202 to receive the DC power transmitted by the second rectifier circuit 202 to ensure normal operation of the second driving circuit 205. The second driving circuit 205 further includes a data input terminal and a driving output terminal, and the data input terminal is connected to the data output terminal of the first encryption circuit 204 to receive the encrypted data output by the first encryption circuit 204. Further, the second drive circuit 205 modulates the received encrypted data. The driving output terminal of the second driving circuit 205 is connected to the electrode terminal of the fourth piezoelectric ceramic 206, and the second driving circuit 205 drives the fourth piezoelectric ceramic 206 to emit the modulated encrypted data in a sound.

The fourth piezoelectric ceramic 206 is provided with an electrode terminal, and an electrode terminal thereof is connected to a drive output terminal of the second drive circuit 205 to effect sound emission of the modulated encrypted data. The second rectifier circuit 202, the second storage circuit 203, the first encryption circuit 204, and the second driver circuit 205 are all integrated on the chip to make the component structure of the product security device more compact and simple. Of course, the above various circuits may be separately disposed in the product anti-counterfeiting device or two or three of the above-mentioned circuits may be integrated on the chip, and there is no limitation here.

It can be understood that the second embodiment of the product anti-counterfeiting device of the present invention adds the first encryption circuit 204 to the security processing of the anti-counterfeiting data based on the first embodiment of the product anti-counterfeiting device, thereby improving the confidentiality of the anti-counterfeit label content and further making the anti-counterfeiting. The contents of the label are not easily copied, and can be used when the product is packaged in a metal material and the cost is not high.

Referring to FIG. 3, a third embodiment of the product anti-counterfeiting device of the present invention includes:

The fifth piezoelectric ceramic 301 includes a first electrode terminal, and the first electrode terminal is connected to the power input terminal of the third rectifier circuit 302 to transmit the electrical energy converted by the fifth piezoelectric ceramic 301 to the third rectifier circuit 302. The fifth piezoelectric ceramic 301 converts the received physical excitation of the user into electrical energy to be supplied to the third rectifier circuit 302. The fifth piezoelectric ceramic 301 further includes a second electrode terminal connected to the driving output terminal of the third driving circuit 304 to effect sound emission of the modulated anti-counterfeiting data.

The third rectifying circuit 302 is provided with a power input terminal, and the power input terminal is connected to the first electrode terminal of the fifth piezoelectric ceramic 301 to receive the electric energy converted by the fifth piezoelectric ceramic 301. The third rectifier circuit 302 further rectifies the received electrical energy to obtain a DC power source. In addition, the third rectifier circuit 302 further includes a power output terminal, and the power output terminals are respectively connected to the power input terminals of the third storage circuit 303 and the third driving circuit 304 to transmit the DC power to the third storage circuit 303 and the third. The drive circuit 304 supplies power to the third storage circuit 303 and the third drive circuit 304 to ensure that it operates normally.

The third storage circuit 303 is provided with a power input terminal, and the power input terminal is connected to the power output terminal of the third rectifier circuit 302 to receive the DC power transmitted by the third rectifier circuit 302 to ensure normal operation of the third storage circuit 303. The third storage circuit 303 stores the anti-counterfeit data of the product, and includes a data output terminal. The data output terminal of the third storage circuit 303 is directly or indirectly connected to the data input terminal of the third driving circuit 304, and is in the third storage circuit 303. After the power is turned on, the anti-counterfeiting data is outputted to the third driving circuit 304 through the data output terminal. The data output terminal of the third storage circuit 303 in the present embodiment is a data input terminal directly connected to the third driving circuit 304. The third storage circuit 303 may employ a mask read-only memory circuit, a programmable read-only memory circuit, a rewritable read-only memory circuit, or a flash erasable read-only memory circuit.

The third driving circuit 304 is provided with a power input terminal, and the power input terminal is connected to the power output terminal of the third rectifier circuit 302 to receive the DC power transmitted by the third rectifier circuit 302 to ensure normal operation of the third driving circuit 304. The third driving circuit 304 further includes a data input terminal and a driving output terminal, the data input terminal of which is connected to the data output terminal of the third storage circuit 303 to receive the anti-counterfeiting data stored in the third storage circuit 303. Further, the third driving circuit 304 modulates the received anti-counterfeiting data. The driving output terminal of the third driving circuit 304 is connected to the second electrode terminal of the fifth piezoelectric ceramic 301, and the third driving circuit 304 drives the fifth piezoelectric ceramic 301 to emit the modulated anti-counterfeiting data in a sound. The third rectifier circuit 302, the third storage circuit 303, and the third driver circuit 304 are all integrated on the chip to make the component structure of the product security device more compact and simple. Of course, the above various circuits may be separately disposed in the product anti-counterfeiting device or two of the above-mentioned circuits may be integrated on the chip, and there is no limitation here.

It can be understood that the third embodiment of the product anti-counterfeiting device of the present invention converts the physical excitation of the user into electric energy by the fifth piezoelectric ceramic 301, rectifies the electric energy, and transmits the sound to the third storage circuit 303, the third driving circuit 304, and the like. The related circuit is ensured to operate normally without additional power supply; at the same time, the fifth piezoelectric ceramic 301 uses the voice method to report the anti-counterfeiting data, so that the contents of the anti-counterfeit label are not easily copied, and can be used when the product is packaged in a metal material. Compared with the first and second embodiments of the product anti-counterfeiting device of the present invention, the present embodiment uses the same piezoelectric ceramic, that is, the fifth piezoelectric ceramic 301, to output electric energy and issue anti-counterfeiting data, thereby further saving cost.

Referring to FIG. 4, a fourth embodiment of the product anti-counterfeiting device of the present invention includes:

The sixth piezoelectric ceramic 401 includes a first electrode terminal that is connected to the power input terminal of the fourth rectifier circuit 402 to transmit the electrical energy converted by the sixth piezoelectric ceramic 401 to the fourth rectifier circuit 402. The sixth piezoelectric ceramic 401 further includes a second electrode terminal connected to the driving output terminal of the fourth driving circuit 405 to effect sound emission of the modulated anti-counterfeiting data.

The fourth rectifying circuit 402 is provided with a power input terminal, and the power input terminal thereof is connected to the electrode terminal of the sixth piezoelectric ceramic 401 to receive the electric energy converted by the sixth piezoelectric ceramic 401. The fourth rectifying circuit 402 further rectifies the received electric energy to obtain a DC power source. In addition, the fourth rectifier circuit 402 further includes a power output terminal, and the power output terminal is connected to the fourth storage circuit 403, the second encryption circuit 404, and the fourth driving circuit 405, respectively, to transmit the DC power to the fourth storage circuit 403, The second encryption circuit 404 and the fourth drive circuit 405 supply power to the fourth storage circuit 403, the second encryption circuit 404, and the fourth drive circuit 405 to ensure normal operation.

The fourth storage circuit 403 is provided with a power input terminal, and the power input terminal is connected to the power output terminal of the fourth rectifier circuit 402 to receive the DC power transmitted by the fourth rectifier circuit 402 to ensure normal operation of the fourth storage circuit 403. The fourth storage circuit 403 stores anti-counterfeit data of the product and includes a data output terminal. The data input terminal of the third storage circuit 303 mentioned in the third embodiment is indirectly connected to the data input terminal of the third driving circuit 304. In this embodiment, the data output terminal of the fourth storage circuit 403 is specifically referred to. The data input terminal of the second encryption circuit 404 is connected, and the data output terminal of the second encryption circuit 404 is connected to the data input terminal of the fourth drive circuit 405. After the fourth storage circuit 403 is powered on, the anti-counterfeiting data is outputted to the second encryption circuit 404 through its data output terminal.

The second encryption circuit 404 includes a power input terminal, and the power input terminal is connected to the power output terminal of the fourth rectifier circuit 402 to receive the DC power transmitted by the fourth rectifier circuit 402 to ensure normal operation of the second encryption circuit 404. The second encryption circuit 404 further includes a data input terminal and a data output terminal, wherein the data input terminal is connected to the data output terminal of the fourth storage circuit 403, and the second encryption circuit 404 uses the rolling encryption algorithm and the fixed key to connect the fourth storage circuit. The anti-counterfeit data outputted by 403 is encrypted to generate non-repeated encrypted data; the data output terminal of the second encryption circuit 404 is connected to the data input terminal of the fourth drive circuit 405 to output the encrypted data to the fourth drive circuit 405.

The fourth driving circuit 405 is provided with a power input terminal, and the power input terminal is connected to the power output terminal of the fourth rectifier circuit 402 to receive the DC power transmitted by the fourth rectifier circuit 402 to ensure normal operation of the fourth driving circuit 405. The fourth driving circuit 405 further includes a data input terminal and a driving output terminal, and the data input terminal is connected to the data output terminal of the second encryption circuit 404 to receive the encrypted data output by the second encryption circuit 404. Further, the fourth drive circuit 405 modulates the received encrypted data. The driving output terminal of the fourth driving circuit 405 is connected to the second electrode terminal of the sixth piezoelectric ceramic 401, and the fourth driving circuit 405 drives the sixth piezoelectric ceramic 401 to emit the modulated encrypted data in a sound. The fourth rectifier circuit 402, the fourth storage circuit 403, the second encryption circuit 404, and the fourth driver circuit 405 are all integrated on the chip to make the component structure of the product security device more compact and simple. Of course, the above various circuits may be separately disposed in the product anti-counterfeiting device or two or three of the above-mentioned circuits may be integrated on the chip, and there is no limitation here.

It can be understood that the fourth embodiment of the product anti-counterfeiting device of the present invention adds the second encryption circuit 404 to encrypt the anti-counterfeiting data based on the third embodiment of the product anti-counterfeiting device, thereby improving the confidentiality of the anti-counterfeit tag content and further making the anti-counterfeiting. The contents of the label are not easily copied, can be used when the product is packaged in a metal material, and the same piezoelectric ceramic, that is, the sixth piezoelectric ceramic 401, outputs electric energy and emits anti-counterfeiting data, thereby saving cost.

Referring to FIG. 5, a first embodiment of the anti-counterfeiting method of the product of the present invention includes:

Step S101: converting physical excitation into electrical energy;

The piezoelectric ceramic receives the physical excitation of the user and converts the deformation due to the physical excitation into electrical energy, and the piezoelectric ceramic further outputs the above electrical energy to the rectifier circuit.

Step S102: receiving the output electrical energy;

The rectifier circuit is connected to the piezoelectric ceramic. When the piezoelectric ceramic is subjected to physical excitation by the user to output electrical energy, the rectifier circuit receives the electrical energy output by the piezoelectric ceramic.

Step S103: rectifying the electric energy;

The rectifier circuit further rectifies the received electric energy to obtain a DC power source, that is, the rectifier circuit converts the alternating current converted and output by the piezoelectric ceramic into direct current.

Step S104: using a DC power supply for power supply;

The rectifier circuit is connected to the storage circuit and the driving circuit, and the DC power source obtained in step S103 is used to supply power to the storage circuit and the driving circuit to ensure normal operation. The storage circuit stores the anti-counterfeiting data of the product.

Step S105: causing the storage circuit to output the anti-counterfeit data to the driving circuit;

The storage circuit is connected to the driving circuit, and after the power is supplied to the storage circuit, the storage circuit outputs the anti-counterfeiting data to the driving circuit.

Step S106: modulating the anti-counterfeiting data;

After the drive circuit receives the anti-counterfeit data output by the storage circuit, the drive circuit is configured to modulate the anti-counterfeit data.

Step S107: driving the piezoelectric ceramic to emit the anti-counterfeit data.

The driving circuit is connected to the piezoelectric ceramic. After modulating the anti-counterfeiting data, the driving circuit drives the piezoelectric ceramic to emit the modulated anti-counterfeiting data in a sound. Wherein, the driving circuit can drive the same piezoelectric ceramic or another piezoelectric ceramic in the above step S101 to emit the modulated anti-counterfeiting data in a sound. The user receiving device receives the input modulated anti-counterfeiting data, and the user receiving device further demodulates the received anti-counterfeiting data to obtain anti-counterfeiting data originally stored in the storage circuit. Further, the user receiving device transmits the anti-counterfeiting data originally stored in the storage circuit to the server to authenticate the authenticity of the product. The user receiving device receives the result of authenticating the anti-counterfeiting data returned by the server, and the user can know the authenticity of the product according to the authentication result returned by the server. In this embodiment, the storage circuit and the drive circuit are integrated on the chip. In other embodiments, the storage circuit and the driving circuit may also be separately provided, and are not limited herein.

It can be understood that the first embodiment of the anti-counterfeiting method of the product of the present invention converts the physical excitation of the user into electric energy by the piezoelectric ceramic, rectifies the electric energy, and transmits it to the sound-related circuit such as the storage circuit and the driving circuit to ensure normal operation thereof. Additional power supply; at the same time, the same piezoelectric ceramic or another piezoelectric ceramic is used to report the anti-counterfeiting data by voice and use the anti-counterfeiting data to identify the authenticity of the product, so that the content of the anti-counterfeit label is not easily copied, and the product can be packaged in metal material. It is not expensive to use.

Referring to FIG. 6, a second embodiment of the anti-counterfeiting method of the product of the present invention includes:

Step S201: converting physical excitation into electrical energy;

Step S202: receiving the output electrical energy;

Step S203: rectifying the electric energy;

Step S204: using a DC power supply for power supply;

The rectifier circuit is connected to the storage circuit and the driving circuit, and the DC power source obtained in step S203 is used to supply power to the storage circuit and the driving circuit to ensure normal operation. The storage circuit stores the anti-counterfeiting data of the product.

Step S205: causing the storage circuit to output the anti-counterfeiting data to the encryption circuit;

The storage circuit is connected to the encryption circuit, and after the storage circuit is powered, the storage circuit outputs the anti-counterfeit data to the encryption circuit for encryption.

Step S206: encrypting the anti-counterfeiting data;

The encryption circuit is connected to the storage circuit and the drive circuit. After receiving the anti-counterfeit data sent from the storage circuit, the encryption circuit encrypts the anti-counterfeit data by using a rolling encryption algorithm and a fixed key to generate non-repeated encrypted data.

Step S207: output encrypted data to the driving circuit;

After encrypting the anti-counterfeiting data, the encryption circuit outputs the encrypted anti-counterfeiting data to the driving circuit.

Step S208: Modulating encrypted data;

The driving circuit is connected to the encryption circuit, and after the driving circuit receives the encrypted data output by the encryption circuit, the driving circuit further modulates the encrypted data.

Step S209: Driving the piezoelectric ceramic to transmit the encrypted data.

The driving circuit is connected to the piezoelectric ceramic, and after modulating the encrypted data, the driving circuit drives the piezoelectric ceramic to emit the modulated encrypted data as a sound. Wherein, the driving circuit can drive the same piezoelectric ceramic or another piezoelectric ceramic in the above step S201 to emit the modulated anti-counterfeiting data in a sound. The user receiving device receives the input modulated encrypted data, and the user receiving device further demodulates and decrypts the received encrypted data to obtain the anti-counterfeiting data originally stored in the storage circuit. Further, the user receiving device transmits the anti-counterfeiting data originally stored in the storage circuit to the server to authenticate the authenticity of the product. The user receiving device receives the result of authenticating the anti-counterfeiting data returned by the server, and the user can know the authenticity of the product according to the authentication result returned by the server.

It can be understood that the second embodiment of the anti-counterfeiting method of the product of the present invention converts the physical excitation of the user into electric energy by the piezoelectric ceramic, rectifies the electric energy, and transmits it to the sound-related circuit such as the storage circuit and the driving circuit to ensure normal operation thereof. Additional power supply; increase the encryption circuit to encrypt the anti-counterfeit data in the storage circuit, and improve the confidentiality of the content of the anti-counterfeit label; the anti-counterfeit data is reported by the same piezoelectric ceramic or another piezoelectric ceramic, so that the content of the anti-counterfeit label It is not easy to be copied and can be used when the product packaging is made of metal and the cost is not high.

In each of the above embodiments, the radio frequency antenna can be used instead of the piezoelectric ceramic that receives the physical excitation and outputs the electric energy. The radio frequency antenna is used to convert the received radio frequency energy into electric energy to supply power to the sounding related circuit such as the storage circuit and the driving circuit to ensure the normal operation. In addition, the data stored in the storage circuit may also be other data, such as mobile payment data, identity authentication data, and the like, and the devices and methods described in the foregoing embodiments may be used for mobile payment, identity authentication, or close-range data. Transmission, etc., there are no restrictions here.

The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the invention and the drawings are directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims

A product anti-counterfeiting device, which comprises:

a first piezoelectric ceramic, a second piezoelectric ceramic, a rectifier circuit, a storage circuit, and a driving circuit;

The first piezoelectric ceramic includes an electrode terminal, the second piezoelectric ceramic includes an electrode terminal, and the rectifier circuit, the storage circuit, and the driving circuit are each provided with a power input terminal, and the rectifier circuit includes a power output terminal, An electrode terminal of the first piezoelectric ceramic is connected to a power input terminal of the rectifier circuit, and a power output terminal of the rectifier circuit is respectively connected to a power input terminal of the storage circuit and the driving circuit; wherein the first piezoelectric ceramic receives the received physical The excitation is converted into electrical energy for supply to the rectifier circuit;

The driving circuit includes a data input terminal and a driving output terminal, the storage circuit includes a data output terminal, and a data output terminal of the storage circuit is directly or indirectly connected to a data input terminal of the driving circuit, and a driving output terminal of the driving circuit is connected An electrode terminal of the second piezoelectric ceramic;

The storage circuit stores anti-counterfeiting data, and outputs the anti-counterfeiting data to the driving circuit after power-on, the driving circuit modulates the anti-counterfeiting data, and drives the second piezoelectric ceramic to sound the modulated anti-counterfeiting data. issue.
The device according to claim 1, wherein

The device includes an encryption circuit, the encryption circuit includes a power input terminal, a data input terminal, and a data output terminal, and a power input terminal of the encryption circuit is connected to a power output terminal of the rectifier circuit;

The data output terminal of the storage circuit is indirectly connected to the data input terminal of the drive circuit, and the data output terminal of the storage circuit is connected to the data input terminal of the encryption circuit, and the data output terminal of the encryption circuit is connected to the data input terminal of the drive circuit. ;

The encryption circuit encrypts the anti-counterfeit data of the storage circuit by using a rolling encryption algorithm and a fixed key to generate non-repeated encrypted data.
The device according to claim 2, wherein

The rectifier circuit, the storage circuit, the encryption circuit, and the drive circuit are all integrated on the chip.
The device according to claim 1, wherein

The rectifier circuit rectifies the received electrical energy to obtain a DC power source.
The device according to claim 1, wherein

The memory circuit is a mask read-only memory circuit, a programmable read-only memory circuit, a rewritable read-only memory circuit, or a flash erasable read-only memory circuit.
A product anti-counterfeiting device, which comprises:

Piezoelectric ceramic, rectifier circuit, storage circuit and drive circuit;

The piezoelectric ceramic includes a first electrode terminal and a second electrode terminal, and the rectifier circuit, the storage circuit and the driving circuit are each provided with a power input terminal, and the rectifier circuit includes a power output terminal, and the first of the piezoelectric ceramic The electrode terminal is connected to the power input terminal of the rectifier circuit, and the power output terminal of the rectifier circuit is respectively connected to the power input terminal of the storage circuit and the driving circuit; wherein the piezoelectric ceramic converts the received physical excitation into electrical energy to be supplied to the rectifier Circuit

The driving circuit includes a data input terminal and a driving output terminal, the storage circuit includes a data output terminal, and a data output terminal of the storage circuit is directly or indirectly connected to a data input terminal of the driving circuit, and a driving output terminal of the driving circuit is connected a second electrode terminal of the piezoelectric ceramic;

The storage circuit stores anti-counterfeit data, and outputs the anti-counterfeit data to the driving circuit after power-on, the driving circuit modulates the anti-counterfeiting data, and drives the piezoelectric ceramic to emit the modulated anti-counterfeiting data as a sound.
The apparatus according to claim 6, wherein

The device includes an encryption circuit, the encryption circuit includes a power input terminal, a data input terminal, and a data output terminal, and a power input terminal of the encryption circuit is connected to a power output terminal of the rectifier circuit;

The data output terminal of the storage circuit is indirectly connected to the data input terminal of the drive circuit, and the data output terminal of the storage circuit is connected to the data input terminal of the encryption circuit, and the data output terminal of the encryption circuit is connected to the data input terminal of the drive circuit. ;

The encryption circuit encrypts the anti-counterfeit data of the storage circuit by using a rolling encryption algorithm and a fixed key to generate non-repeated encrypted data.
The apparatus according to claim 6, wherein

The rectifier circuit rectifies the received electrical energy to obtain a DC power source.
The apparatus according to claim 6, wherein

The memory circuit is a mask read-only memory circuit, a programmable read-only memory circuit, a rewritable read-only memory circuit, or a flash erasable read-only memory circuit.
A product anti-counterfeiting method, which includes:

The piezoelectric ceramic converts the received physical excitation into electrical energy;

Rectifying the electric energy to obtain a direct current power source;

Using the DC power supply to supply power to the storage circuit and the driving circuit, wherein the storage circuit stores anti-counterfeiting data;

After the power is supplied, the storage circuit outputs the anti-counterfeit data to the driving circuit;

The drive circuit is caused to modulate the anti-counterfeit data, and the piezoelectric ceramic is driven to emit the modulated anti-counterfeit data in a sound.
The method of claim 10, wherein

The step of causing the storage circuit to output the anti-counterfeit data to the driving circuit includes:

The anti-counterfeit data of the storage circuit is encrypted using a rolling encryption algorithm and a fixed key to generate non-repeated encrypted data, and output to the drive circuit.
The method of claim 10, wherein

The step of driving the piezoelectric ceramic to emit the modulated anti-counterfeit data by sound includes:

The same piezoelectric ceramic or another piezoelectric ceramic is driven to emit the modulated anti-counterfeiting data in a sound.
The method of claim 10, wherein

The storage circuit and the driving circuit are integrated on the chip.