TWM607962U - Electronic protection device and point-of-sale device thereof - Google Patents

Abstract

The present model provides an electronic protection device and sales terminal equipment thereof, which comprise a main circuit board, a protective cover mounted on the main circuit board, and a microprocessor mounted on the protective space formed by the protective cover and the main circuit board. The microprocessor can send out at least one detection signal, go through the detection circuit between the main circuit board and the protective cover, and return to the microprocessor to determine whether the electronic protective device is invaded; when the electronic protective device is invaded, the microprocessor immediately Destroy the confidential information protected in the electronic protective device.

Description

Electronic protective device and its sales terminal equipment

This new model relates to an electronic protection device, especially to an electronic protection device for sales terminal equipment.

Due to the increasing advancement of technology, various point-of-sale terminals are currently widely used in the cash register work of the retail industry. However, recent incidents of consumers' smart cards being copied, stolen, and information leaked have attracted widespread attention; some sales terminal devices can further protect cardholders' safe consumption, and the card number on the sign can be partially shielded. To avoid data leakage.

However, such confidentiality can only protect the visible signature data, and cannot provide effective protection for some criminal acts of invasive data theft.

This is because some components of the sales terminal equipment, especially the internal microprocessor, smart card (integrated circuit card) reader and other important components, will record part of the transaction data and the customer’s personal data; once the sales terminal The intrusion of the equipment will cause the leakage of the customer's information and cause the loss of the merchant.

For this reason, in view of the fact that some components of the above-mentioned conventional sales terminal equipment must store part of the transaction data and the customer's personal data, once it is invaded, the customer's data will be leaked and the merchant will be troubled.

Therefore, the creator of this new model has worked hard to develop an electronic protective device and its sales terminal equipment. Therefore, one purpose of this new model is to provide an electronic protective device to effectively protect the internal components of the sales terminal equipment, thereby avoiding the sales terminal. The leakage of customer and transaction information when the device is compromised.

The first aspect of the present invention provides an electronic protective device including a main circuit board, a protective cover mounted on the main circuit board, and a microprocessor mounted on the protective space formed by the protective cover and the main circuit board.

The microprocessor can send out at least one detection signal, go through the detection circuit of the main circuit board and the protective cover, and return to the microprocessor to determine whether the electronic protective device is invaded. When the electronic protective device is invaded, the microprocessor immediately destroys the confidential information protected in the electronic protective device.

The protective cover is composed of a first circuit board, a second circuit board, a third circuit board, a fourth circuit board, and a fifth circuit board. The main circuit board, the first circuit board, the second circuit board, the third circuit board, the fourth circuit board, and the fifth circuit board can be electrically connected and fixed to each other by using a plurality of solder pads. The above-mentioned soldering pads may include a plurality of first soldering pads to be fixed to each other, or may include a plurality of second soldering pads to be electrically connected to each other.

The third circuit board, the fourth circuit board and the fifth circuit further include L-shaped protrusions for coupling to the first circuit board. In addition, the second circuit board further includes a protruding portion for coupling to the first circuit board. The third circuit board can also use a raised portion for coupling to an opening on the main circuit board for positioning the protective cover, and can also have a foolproof function.

The first protection space may be a closed protection area, and the protection cover and the main circuit board may further form a second protection space with an opening to expose a smart card reader.

The detection circuit can be located in the middle layer of the main circuit board, the first circuit board, the second circuit board, the third circuit board, the fourth circuit board and the fifth circuit board. The circuit pins of the smart card reader are located inside the electronic protective device. In addition, the main circuit board, the first circuit board, the second circuit board, the third circuit board, the fourth circuit board and the fifth circuit board located in the first protection area and the second protection area can be designed without any perforations.

The second aspect of the present invention discloses a point-of-sale equipment that includes a smart card reader and the above-mentioned electronic protection device. When the electronic protection device is invaded, the microprocessor immediately destroys the confidential data stored in the point-of-sale equipment.

Therefore, the new electronic protection device and the sales terminal equipment with the electronic protection can use the microprocessor to send out the detection signal, which is transmitted through the surrounding detection circuit, and then transmitted back to the microprocessor to determine the electronic protection device Whether it has been damaged or invaded by external forces. When the electronic protective device is found to be damaged or intruded, the microprocessor can immediately destroy the confidential information stored in the sales terminal equipment to ensure the security of the information of customers, merchants and banks, and effectively protect customers, merchants and banks. interest.

A: Electronic protection device

1: Protective cover

11: The first circuit board

111: rear end

112: Front end

113: Solder pad

114: Pad

115: detect line

116: Pad

12: The second circuit board

121: bulge

122: circuit board body

123: The first pad

124: second pad

125: detect line

126: Gap

13: The third circuit board

131: L-shaped protrusion

132: Circuit board body

133: Bulge

134: The second pad

135: detect line

136: Gap

14: The fourth circuit board

141: L-shaped protrusion

142: Circuit board body

143: The first pad

144: second pad

145: Detection Line

146: Gap

15: Fifth circuit board

151: L-shaped protrusion

152: Circuit board body

153: The first pad

154: second pad

155: Detection Line

156: Gap

16: The first protective space

17: Second protection space

18: Plastic bracket

182: open

19: Conductive tape

3: Main circuit board

31: Smart card reader

32: circuit board surface

33: Electronic components

34: Protected area

35: opening

36: Enclosed protection area

37: third pad

38: Fourth pad

51: The first detection line

52: Microprocessor

53: second detection line

54: card reader

Figure 1: is a schematic diagram of the first embodiment of the new electronic protection device.

Figure 2: is a schematic diagram of the protective cover shown in Figure 1.

Figure 3: A schematic diagram of the first circuit board of the new device.

Figure 4: is a schematic diagram of the second circuit board, the third circuit board, the fourth circuit board and the fifth circuit board of the new device.

Figure 5: is a schematic diagram of the main circuit board of the new device.

Figure 6: is a schematic diagram of the circuit of the new device.

First of all, please refer to Figure 1. The present invention relates to an electronic protective device A, which can effectively prevent the leakage of customer and transaction information even when the sales terminal equipment is subject to intrusive attacks. 1 is a schematic diagram of an embodiment of a new type of electronic protection device A, where the electronic protection device A includes a protection cover 1 and a main circuit board 3, which can effectively protect the electronic protection device A Electronic components, such as microprocessors, smart card readers and memory, to prevent the data stored in the electronic components from being stolen when the sales terminal equipment is invaded by external forces. In addition, the electronic protection device A can also use an opening, in addition to effectively protecting the smart card reader 31 from intrusion, and providing the smart card reader 31 with a card reading function.

Please refer to Figure 2, the protective cover 1 is composed of a first circuit board 11, a second circuit board 12, a third circuit board 13, a fourth circuit board 14 and a fifth circuit board 15. The structure is as shown in FIG. 3 and FIG. 4 respectively. The combined protective cover 1 can form a first protective space 16, which together with the main circuit board 3 forms a closed protective space. The combined protective cover 1 may also include a second protective space 17, which together with the main circuit board 3 forms a protective space with an opening for accommodating the smart card reader 31 without affecting the smart card reader 31 Card reading function. Wherein, a plastic bracket 18 can be installed in the first protective space 16, which has an opening 182 for installing a conductive rubber strip 19 (Zebra) therein, so as to conduct the first circuit board 11 and the main circuit board 3.

Please refer to FIGS. 3 and 4, which are the first circuit board 11, the second circuit board 12, the third circuit board 13, the fourth circuit board 14, and the fifth circuit board 15; The first circuit board 11 is composed of a front end 112 with a narrow width and a rear end 111 with a wider width. A solder pad 113, a solder pad 114, a detection circuit 115, and a solder pad are further formed on the first circuit board 11. 垫116.

The second circuit board 12 is composed of a circuit board body 122, which may further include a protrusion 121 and a notch 126. In addition, the circuit board body 122 forms a barrier wall under the protective cover 1, and the protrusion 121 can be used to couple with the first circuit board 11, and the notch 126 can be used to connect the fourth circuit board 14 and the fifth circuit board. Corresponding notches of the circuit board 15 are coupled with each other to form barrier walls on the other two sides. In addition, the first solder pad 123 formed on the second circuit board 12 is used to connect with the corresponding solder pads of the fourth circuit board 14 and the fifth circuit board 15 to transmit ground signals, which can be soldered or Other metals and conductive materials are connected to each other to form the structural appearance of the protective cover 1.

A second solder pad 124 is used to electrically connect the corresponding solder pad on the main circuit board 3 to transmit detection signals, and surround the second circuit board 12 through the detection circuit 125, so that the second circuit board 12 can be Form a protective circuit. When the second circuit board 12 is damaged, the external force damages the detection circuit 125, which will cause the detection signal to open or short. Therefore, when the microprocessor finds the detection signal abnormal, the microprocessor can actively The data stored in the electronic components are deleted to avoid data theft. Among them, the second soldering pad 124 can be used to fix the second circuit board 12 on the main circuit board 3.

The third circuit board 13 is composed of a circuit board body 132, which may further include an L-shaped protrusion 131, a protrusion 133, and a notch 136. The L-shaped protrusion 131 is used to couple with the first circuit board 11, and the protrusion 133 is positioned in the opening 350 on the main circuit board 3 (as shown in FIG. 5), which can also provide a foolproof function , To ensure the position and direction of the protective cover 1 installed on the main circuit board 3.

The circuit board body 132 forms another retaining wall under the protective cover 1, and the L-shaped The raised portion 131 can be used to couple with the first circuit board 11, and the notch 136 can be used to couple with the corresponding notches of the fourth circuit board 14 and the fifth circuit board 15 to form barrier walls on the other two sides. In addition, the second solder pads 134 formed on the third circuit board 13 are used to electrically connect the corresponding solder pads on the main circuit board 3 to transmit detection signals, and surround the third circuit board 13 through the detection circuit 135. The third circuit board 13 can constitute a protection circuit. When the third circuit board 13 is damaged, the detection circuit 135 will be damaged by external force, which will cause an open circuit or short circuit of the detection signal. Therefore, when the microprocessor finds an abnormality in the detection signal, the microprocessor can actively The data stored in the electronic components are deleted to avoid data theft. Among them, the second bonding pad 134 can be used to fix the third circuit board 13 on the main circuit board 3.

Furthermore, the fourth circuit board 14 is composed of a circuit board body 142, which may further include an L-shaped protrusion 141 and a notch 146. The L-shaped protrusion 141 is used to couple with the first circuit board 11. The circuit board body 142 forms another barrier wall under the protective cover 1, and the notch 146 can be used to couple with the corresponding notches of the second circuit board 12 and the third circuit board 13. The first solder pad 143 formed on the fourth circuit board 14 is used to connect with the corresponding solder pads of the first circuit board 11, the second circuit board 12, and the third circuit board 13, which can be soldered or other metals. And the conductive materials are connected to each other to form the structural appearance of the protective cover 1, and then used to transmit ground signals.

In addition, the second solder pads 144 formed on the fourth circuit board 14 are used to electrically connect the corresponding solder pads on the main circuit board 3 to transmit detection signals, and surround the fourth circuit board 14 through the detection circuit 145 , So that the fourth circuit board 14 can constitute a protection circuit. When the fourth circuit board 14 is damaged, the detection circuit 145 will be damaged by external force, which will cause the detection signal to open or short. Therefore, when the microprocessor finds the detection signal is abnormal, the microprocessor can actively The data stored in the electronic components are deleted to avoid data theft. Among them, the second pad 144 can be used to The fourth circuit board 14 is fixed on the main circuit board 3.

In addition, the fifth circuit board 15 is composed of a circuit board body 152, which may further include an L-shaped protrusion 151 and a notch 156. The L-shaped protrusion 151 is used for mutual coupling with the first circuit board 11. The circuit board body 152 forms another barrier wall under the protective cover 1, and the notch 156 can be used to couple with the corresponding notches of the second circuit board 12 and the third circuit board 13. The first solder pad 153 formed on the fifth circuit board 15 is used to connect with the corresponding solder pads of the first circuit board 11, the second circuit board 12, and the third circuit board 13, which can be soldered or other metals. And the conductive materials are connected to each other to form the structural appearance of the protective cover 1.

In addition, the second solder pads 154 formed on the fifth circuit board 15 are used to electrically connect the corresponding solder pads on the main circuit board 3 to transmit detection signals, and surround the fifth circuit board 15 through the detection circuit 155. , So that the fifth circuit board 15 can constitute a protection circuit. When the fifth circuit board 15 is damaged, the detection circuit 155 will be damaged by external force, which will cause an open circuit or short circuit of the detection signal. Therefore, when the microprocessor finds an abnormality in the detection signal, the microprocessor can actively The data stored in the electronic components are deleted to avoid data theft. Among them, the second solder pad 154 can be used to fix the fifth circuit board 15 on the main circuit board 3.

After the first circuit board 11, the second circuit board 12, the third circuit board 13, the fourth circuit board 14 and the fifth circuit board 15 are connected to each other, the protective cover 1 of the electronic protective device can be formed . Furthermore, as shown in FIG. 5, the circuit board surface 32 of the main circuit board 3 contains some electronic components 33 which are not responsible for storing important customer data and transaction data, so there is no need to use the electronic protection device of this case for protection. The electronic components located in the protection zone 34 are, for example, a microprocessor used to send and receive detection signals, a memory to record customer data and transaction data, and to read smart cards such as customer credit cards or bank cards. Data Smart Card Reader The machine 31 can be protected by the new type of electronic protection device, because once its data is stolen, it will cause losses to customers, merchants and banks.

When the protective cover 1 is installed on the main circuit board 3, the second solder pad on the protective cover 1 is connected to the third solder pad 37 on the circuit board surface 32 of the main circuit board 3 to fix the protective cover 1 on the main circuit board. On the circuit board 3 and electrically connected to the circuit on the main circuit board 3. The solder pad 116 on the first circuit board 11 is connected to the fourth solder pad 38 on the main circuit board 3 by the conductive rubber strip 19 installed in the opening 182 of the plastic bracket 18 to transmit the detection signal. As shown in FIG. 6, the microprocessor 52 can send out a detection signal, for example, a first detection signal is sent along the first detection line 51 and/or a second detection signal is sent out by the second detection line 53. To ensure that the protective device is protected from external attacks, whether it is an electronic attack or a mechanical attack, it effectively protects the electronic components within the protection range of the protective device, such as the microprocessor 52 and/or the card reader 54 , Will not be invaded.

The microprocessor 52 can continuously or intermittently send out the detection signal, and it can also be a random detection signal to prevent the detection signal from being copied. In addition, when the microprocessor 52 finds that it cannot receive the detection signal sent back through the detection circuit, or the signal is different, the microprocessor 52 will issue an instruction to immediately destroy the stored confidential data to avoid any mechanical methods. Or electronic invasion. It is worth noting that the detection circuit can be installed inside the electronic protection device, especially in the middle layer of the circuit board, and cannot be contacted from the outside. The main circuit board 3 under the microprocessor 52, especially the part of the protection area 34, also contains necessary detection circuits to prevent the microprocessor 52 from being invaded or damaged.

The protective cover 1 and the main circuit board 3 can jointly form a sealed protective area 36 so that the internal electronic components are tightly protected. The protective cover 1 and the main circuit board 3 can also form a protective space with an opening, that is, a second protective space, which has an opening in the front to The smart card reader 31 is allowed to be exposed to facilitate card reading by the sales terminal device. Among them, the circuit pins of the smart card reader 31 are located inside the electronic protective device, and do not pass through the main circuit board 3, which can prevent people from connecting the pins from the outside and reading confidential data. Among them, the circuit board of the electronic protection device in the protection area can be designed as a circuit board without any through holes to further protect the data inside the electronic protection device.

In summary, the new type of electronic protection device and its sales terminal equipment can use the microprocessor to send out detection signals, transmit them through the surrounding detection lines, and return to the microprocessor to determine whether the electronic protection device is affected by the detection signal. External force damage or intrusion, when the electronic protection device is found to be damaged or intruded, the microprocessor can immediately destroy the confidential information stored in the sales terminal equipment to ensure the security of customers, merchants and bank information, thereby effectively protecting customers and merchants Data security and benefits with the bank.

For those who need to be clarified, the above are the technical principles used in the specific embodiments of this case. If the changes made in accordance with the concept of this case do not produce functional effects beyond the spirit covered by the specification and drawings, all Chen Ming should be agreed within the scope of this case.

A: Electronic protection device

1: Protective cover

3: Main circuit board

31: Smart card reader

Claims (27)

An electronic protective device at least includes: a main circuit board; a protective cover installed on the main circuit board, wherein the protective cover and the main circuit board form at least a first protective space; and a microprocessor for mounting In the first protection space, the microprocessor sends out at least one detection signal, passes through the detection circuit of the main circuit board and the protection cover, and returns to the microprocessor to determine whether the electronic protection device is damaged. The electronic protective device according to claim 1, wherein the protective cover is composed of a first circuit board, a second circuit board, a third circuit board, a fourth circuit board, and a fifth circuit board. The electronic protection device according to claim 2, wherein the main circuit board, the first circuit board, the second circuit board, the third circuit board, the fourth circuit board, and the fifth circuit board include a plurality of solder pads To be electrically connected and fixed to each other. The electronic protection device according to claim 3, wherein the solder pads include a plurality of first solder pads to be fixed to each other. The electronic protection device according to claim 3, wherein the solder pads include a plurality of second solder pads to be electrically connected to each other. The electronic protection device according to claim 3, wherein the third circuit board, the fourth circuit board and the fifth circuit further comprise an L-shaped protrusion for coupling to the first circuit board. The electronic protection device according to claim 3, wherein the second circuit board further includes a protruding portion for coupling to the first circuit board. The electronic protection device according to claim 3, wherein the third circuit board further includes a protruding portion for coupling to an opening of the main circuit board. The electronic protection device according to claim 1, wherein the first protection space is a closed protection area. According to claim 2, the electronic protection device, wherein the protection cover and the main circuit board further form a second protection space with an opening to expose a smart card reader. The electronic protective device according to claim 10, wherein the circuit pins of the smart card reader are located inside the electronic protective device. The electronic protection device according to claim 10, wherein the main circuit board, the first circuit board, the second circuit board, the third circuit board, and the fourth circuit board are located in the first protection area and the second protection area. Neither the circuit board nor the fifth circuit board has any perforations. The electronic protection device according to claim 2, wherein the detection circuit is located on the main circuit board, the first circuit board, the second circuit board, the third circuit board, the fourth circuit board and the fifth circuit The middle layer of the board. According to claim 1, the electronic protective device further includes a plastic bracket and a conductive rubber strip to electrically connect the main circuit board and the protective cover. A sales terminal equipment at least includes: a smart card reader; and an electronic protection device, wherein the electronic protection device further includes: a main circuit board, wherein the smart card reader is installed on the main circuit board ; A protective cover is also installed on the main circuit board, and the protective cover and the main circuit board form a protective space with an opening, the protective cover and the main circuit board jointly cover the smart card reader and The smart card reader is exposed through the opening; and a microprocessor is installed in the protective cover and the main circuit board, and the microprocessor sends at least one detection signal through the main circuit board and the protection The detection circuit of the cover returns to the microprocessor to determine whether the electronic protection device is damaged, and when the electronic protection device is damaged, the microprocessor immediately destroys the confidential data stored in the sales terminal equipment. According to claim 15, the sales terminal equipment, wherein the protection space further includes a closed protection area to install the microprocessor therein. The point-of-sale equipment according to claim 15, wherein the protective cover is composed of a first electric The circuit board, a second circuit board, a third circuit board, a fourth circuit board and a fifth circuit board are combined. The point-of-sale equipment according to claim 17, wherein the main circuit board, the first circuit board, the second circuit board, the third circuit board, the fourth circuit board, and the fifth circuit board include a plurality of solder pads To be electrically connected and fixed to each other. The sales terminal device according to claim 18, wherein the solder pads include a plurality of first solder pads to be fixed to each other. According to claim 18, the sales terminal device, wherein the solder pads include a plurality of second solder pads to be electrically connected to each other. According to claim 18, the sales terminal device, wherein the third circuit board, the fourth circuit board, and the fifth circuit further include an L-shaped protrusion for coupling to the first circuit board. According to claim 18, the sales terminal device, wherein the second circuit board further includes a protrusion for coupling to the first circuit board. According to claim 18, the sales terminal device, wherein the third circuit board further includes a protrusion for coupling to an opening of the main circuit board. The point-of-sale equipment according to claim 17, wherein the detection circuit is located on the main circuit board, the first circuit board, the second circuit board, the third circuit board, the fourth circuit board and the fifth circuit The middle layer of the board. The point-of-sale equipment according to claim 17, wherein the main circuit board, the first circuit board, the second circuit board, the third circuit board, the fourth circuit board and the fifth circuit board are located in the protective space None have any perforations. The point-of-sale equipment according to claim 15, wherein the circuit pins of the smart card reader are located inside the electronic protective device. As described in claim 15, the sales terminal equipment further includes a plastic bracket and a conductive The adhesive strip electrically connects the main circuit board and the protective cover.

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