CN102955974A - Intelligent card capable of independently displaying - Google Patents

Abstract

An intelligent card capable of displaying independently is suitable for being connected with an external interface in a wireless mode, and comprises a body, an antenna module, electronic paper, a driving element and a wireless radio frequency chip isolated from the driving element, wherein the antenna module is provided with a first antenna for receiving first electromagnetic waves and a second antenna for receiving and transmitting second electromagnetic waves, and the first antenna and the second antenna are respectively connected with the driving element and the wireless radio frequency chip; the intelligent card of the invention is designed to improve the effects of data confidentiality and convenience.

Description

Smart Card with stand-alone display

technical field

The invention relates to an independently displayable smart card, in particular to an independently displayable smart card with improved smart card encryption protection mechanism and convenient use.

Background technique

Due to the general existing smart card (Smart Card), the way of relying on and reading data can be divided into inductive and contact smart cards; inductive smart cards use inductive methods to access data, such as for public transportation Easy card or e-wallet for transportation means; contact smart card is suitable for chip financial card or credit card for cash withdrawal.

However, no matter it is an inductive or contact smart card, it has an integrated circuit chip with components such as a microprocessor, a card operating system, a security module, and a memory. Therefore, through the integrated circuit chip of the above components, the smart card can provide computing , encryption, two-way communication and security functions, such as the function that the smart card can protect the data stored in it in addition to the function of storing data.

However, the existing smart card fails to provide a display function, so that its transaction information (such as displaying the remaining balance and consumption amount) must be read with a remote read-write terminal before it can be read by the reader-writer. A display is used for the user to view the transaction information, so that the user cannot know the transaction information in the smart card held by him at any time, so that the user's convenience in use is not good.

In addition, although the existing smart card has the function of encrypting and protecting the transaction information, its effect is not obvious, because the remote reader needs to compile the transaction information first, and then transmit the compiled exchange information to the smart card, so that the smart card still needs to Only by interpreting the exchanged information received and translating it through a translation selector can the transaction information sent by the remote reader be restored; therefore, the mutual transmission of transaction information between the remote reader and the smart card belongs to data exchange In this way, it is easy to be stolen and decoded during compilation or transmission, so that there may be doubts about the leakage of transaction information in the smart card, and the effect of saving power cannot be achieved.

As mentioned above, the prior art has the following disadvantages:

1. The exchange information cannot be independently displayed on the smart card;

2. Poor convenience;

3. Data confidentiality is not good.

Therefore, how to solve the above-mentioned existing problems and shortcomings is the direction for the inventors of this case and the relevant manufacturers engaged in this industry to study and improve.

Contents of the invention

Therefore, in order to effectively solve the above-mentioned problems, the main purpose of the present invention is to provide an independently displayable smart card which can independently display information by setting an electronic paper on the smart card.

The secondary purpose of the present invention is to provide a smart card that can be independently displayed to enhance data security.

The secondary purpose of the present invention is to provide a smart card that can be independently displayed with good convenience.

In order to achieve the above object, the present invention provides a smart card that can be independently displayed, which is suitable for wireless connection to an external interface, and is characterized in that the smart card includes:

a body;

An antenna module, which is arranged on the body, the antenna module has a first antenna and a second antenna, the first antenna is used to receive a first electromagnetic wave transmitted by the external interface, and the second antenna is used to send and receive a second electromagnetic wave;

An electronic paper, which is arranged on the main body;

a driving element, arranged in the main body, the driving element is electrically connected to the electronic paper and the first antenna respectively, and the driving element controls a piece of information displayed by the electronic paper according to the received first electromagnetic wave; and

A radio frequency chip is arranged in the main body. The radio frequency chip is electrically connected to the second antenna to send and receive the second electromagnetic wave. The radio frequency chip is isolated from the drive element.

During implementation, one side of the main body is provided with an accommodating opening, the electronic paper is accommodated in the accommodating opening, and the electronic paper is used to display a piece of information.

During implementation, the first electromagnetic wave includes a graphic signal and an electrical energy, and the driving element drives the electronic paper to display information through the electrical energy and the graphic signal.

In practice, the second electromagnetic wave includes a data file.

During implementation, the frequency of the first electromagnetic wave received by the first antenna is different from the frequency of the second electromagnetic wave received by the second antenna.

During implementation, a supercharger is further included, the supercharger is arranged in the body, and the supercharger is electrically connected to the first antenna for supercharging the electric energy.

When implemented, said external interface contains:

A reader, wirelessly connected to the second antenna, the reader reads and writes according to the received second electromagnetic wave, and generates a new data data and a display data;

a display module, the display module is connected to the reader to display the display data;

A vector analysis module, the vector analysis module is connected to the display module, and the vector analysis module performs calculations on the received display data and converts them into a graphic data; and

A pixelation module, the pixelation module is connected to the vector analysis module, the pixelation module performs calculation and processing according to the received graphics data to generate a graphics signal, and the external interface combines the graphics signal with an electric energy provided by the reader Converted and combined into the first electromagnetic wave, the external interface transmits to the first antenna in a wireless transmission manner.

During implementation, the reader has at least one third antenna, and the third antenna is wirelessly connected to the second antenna.

During implementation, the external interface further has a fourth antenna connected to the pixelated module, and the fourth antenna is wirelessly connected to the first antenna.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the first preferred embodiment of the present invention;

Fig. 2 is a schematic block diagram of a first preferred embodiment of the present invention;

Fig. 3 is another schematic block diagram of the first preferred embodiment of the present invention;

Fig. 4 is another schematic block diagram of the first preferred embodiment of the present invention;

Fig. 5 is another perspective view of the first preferred embodiment of the present invention;

FIG. 6 is a block diagram of a second preferred embodiment of the present invention.

Explanation of reference signs: 1-smart card; 2-first electromagnetic wave; 10-body; 3-second electromagnetic wave; 101-accommodating opening; 5-external interface; 13-antenna module; 1 antenna; 52-the third antenna; 132-the second antenna; 53-the fourth antenna; 14-electronic paper; 54-display module; 15-drive element; 55-vector analysis module; 16-radio frequency chip; Pixelated Module; 17 - Booster; 6 - Energy Wave.

Detailed ways

The above-mentioned purpose of the present invention and its structural and functional characteristics will be described based on the preferred implementation examples of the accompanying drawings.

The present invention is a smart card that can be displayed independently, please refer to Fig. 1, Fig. 2, Fig. 3 to show the three-dimensional and block schematic diagram of the first preferred embodiment of the present invention; The smart card 1 includes a body 10, an antenna module 13, an electronic paper 14 (e-paper), a drive element 15 and a radio frequency chip 16 (radio frequency identification, RFID), wherein the body 10 is provided with the electronic paper 14 and the antenna module 13, and one side thereof is provided with an accommodating opening 101, the accommodating opening 101 is used for accommodating the electronic paper 14, so that the user can watch the display by holding the electronic paper 14 on the smart card 1 Information (such as remaining balance, consumption amount, ride information, movie viewing information...etc.).

The aforementioned antenna module 13 is connected to the external interface 5 through wireless transmission, and it has a first antenna 131 and a second antenna 132. The first antenna 131 is electrically connected to the driving element 15, and is used to receive the transmission from the external interface 5. A first electromagnetic wave 2, wherein the first electromagnetic wave 2 includes a graphic signal and an electrical energy, so that the driving element 15 drives and controls the information displayed by the electronic paper 14 through the received electrical energy and graphic signal.

In addition, the aforementioned second antenna 132 is electrically connected to the radio frequency chip 16, which is used to send and receive a second electromagnetic wave 3, that is, the aforementioned radio frequency chip 16 can receive the second electromagnetic wave 3 transmitted by the external interface 5 through the second antenna 132, or The second electromagnetic wave 3 is wirelessly transmitted to the external interface 5 through the second antenna 132; wherein the second electromagnetic wave 3 includes a data file, and the data file includes such as user account number, password, tag code, multiplier. .. and other confidential information.

Furthermore, in order to prevent the first antenna 131 from mistakenly receiving the second electromagnetic wave 3 from the external interface 5, and to prevent the second antenna 132 from mistakenly receiving the first electromagnetic wave 2 from the external interface 5, the first antenna 131 and the second The two antennas 132 are designed to be respectively suitable for receiving electromagnetic waves with different frequencies, that is, the aforementioned first antenna 131 receives the frequency of the first electromagnetic wave 2 sent by the external interface 5, which is different from the second antenna 132 receiving the second electromagnetic wave sent by the external interface 5 3 frequencies, so that the first antenna 131 and the second antenna 132 can perform receiving work normally.

Continue referring to FIG. 3 , the aforesaid driving element 15 is arranged in the main body 10, and it is electrically connected to the electronic paper 14 and the first antenna 131 respectively, and controls the information displayed by the electronic paper 14 according to the received first electromagnetic wave 2, and also That is, the driving element 15 has a plurality of switching components (not shown in the figure; such as transistors and MOS transistors) which are triggered according to the high and low levels of the received graphics signal, and then control the information displayed by the electronic paper 14 .

In addition, the above-mentioned radio frequency chip 16 is also arranged in the body 10 with the drive element 15, and the radio frequency chip 16 and the drive element 15 are set relative to the preferred embodiment for illustration, but it is not limited thereto; however, the radio frequency of the present invention The chip 16 is isolated from the relative drive element 15, that is, as shown in FIG. The second electromagnetic wave 3 of the two antennas 132 is designed to be isolated from the drive element 15 through the radio frequency chip 16, so that the data security can be effectively improved, and the data can be prevented from being stolen.

Referring to Fig. 4, the aforementioned external interface 5 includes a reader-writer 51, a display module 54, a vector analysis module 55 (Scalar), a pixelation module 56 (Pixelize) and a fourth antenna, wherein the reader-writer 51 has at least one third antenna 52, the third antenna 52 is wirelessly connected to the second antenna 132, and reads and writes according to the received second electromagnetic wave 3, and generates a new data data and a display data, that is, reads The writer 51 reads the data data of the second electromagnetic wave 3 sent by the second antenna 132 through the third antenna 52, and generates new data data after performing calculation processing according to the aforementioned data data, and then the reader 51 writes the new data data A memory module (not shown in the figure; such as ROM) is written into it to store, and simultaneously convert new data into the second electromagnetic wave 3, so as to wirelessly transmit the second electromagnetic wave 3 to the second antenna through the third antenna 52 132 , write the new data of the second electromagnetic wave 3 back to the aforementioned radio frequency chip 16 for storage through the second antenna 132 .

In addition, the above-mentioned display module 54 is connected to the reader-writer 51 and used for displaying the display data transmitted from the reader-writer 51 for users to watch. The vector analysis module 55 is connected to the display module 54, which performs calculations on the received display data and converts it into a graphic data.

The aforesaid pixelation module 56 is respectively connected to the vector analysis module 55 and the fourth antenna 53, and after it performs calculation and processing according to the received graphic data, a graphic signal is generated, so that the external interface 5 provides the graphic signal with the reader-writer 51. The energy wave 6 (that is, the aforementioned electric energy) is converted and merged into the first electromagnetic wave 2, and is transmitted to the first antenna 131 by wireless transmission through the fourth antenna 53 in the external interface 5, so that the driving element 15 passes through The first antenna 131 receives the first electromagnetic wave 2, so the smart card 1 of the present invention controls the display information of the electronic paper 14 through graphic exchange, so that the electronic paper 14 only knows the graphic signal of the first electromagnetic wave 2, but does not know the radio frequency. The data in the chip 16 is used to enhance the security of the overall data, and then effectively achieve excellent convenience.

Three specific embodiments are given as examples below for illustration:

The first specific embodiment: the smart card 1 of the present invention replaces the existing financial card, as shown in Fig. 3 and Fig. Antennas 131, 132 independently receive the first and second electromagnetic waves 2, 3 provided by the external interface 5 of the bank cash machine, and use the electric energy of the first electromagnetic wave 2 to drive the drive element 15 and electronic paper 14 in the smart card 1. Power supply, at the same time, the aforementioned driving element 15 will control the electronic paper 14 according to the graphic signal to display the money withdrawal information (such as the amount withdrawn, the total amount, the date), and after the money withdrawal information is displayed, the electronic paper 14 can continue to use its own characteristics. Keep displaying the money withdrawal information screen for users to watch.

The second specific embodiment: the smart card 1 of the present invention replaces the existing leisure card, as shown in Fig. 1 and Fig. 132 respectively independently receive the first and second electromagnetic waves 2 and 3 provided by the external interface 5 of the MRT, and supply power to the drive element 15 and the electronic paper 14 in the smart card 1 through the electric energy of the first electromagnetic wave 2, while the aforementioned drive The component 15 will control the electronic paper 14 to display ride information (such as ride balance, ride fee) according to the graphic signal, and after the ride information is displayed, the characteristics of the electronic paper 14 can continue to display the ride information screen for users to view.

The third specific embodiment: the smart card 1 of the present invention replaces the existing disposable movie ticket, as shown in Fig. 1 and Fig. 3, when the user can independently receive the The first and second electromagnetic waves 2 and 3 provided by the external interface 5 of the movie theater supply power to the driving element 15 and electronic paper 14 in the smart card 1 through the electric energy of the first electromagnetic wave 2. Control the electronic paper 14 to display the movie viewing information (such as movie show, date, seat, number of halls), and after the movie viewing information is displayed, the characteristics of the electronic paper 14 can continue to display the movie viewing information screen for Users watch.

In addition, the smart card 1 of the present invention can be held by a user or a movie theater, that is, if the user holds the smart card 1, the user can repeatedly carry the smart card 1 to the movie theater to receive viewing information; if the movie theater holds the smart card 1 When watching a movie, the user can go to the cinema to get the smart card 1 to receive movie viewing information, and return the smart card 1 to the movie theater for recycling after watching the movie, so that it can be reused by other users in the future.

As mentioned above, the driving element 15 and the radio frequency chip 16 of the present invention are separated to receive the first electromagnetic wave 2 and the second electromagnetic wave 3, and the driving element 15 controls the electronic paper 14 to display information through the first electromagnetic wave 2. , so that the overall data confidentiality can be effectively improved, and the effect of convenient use can be achieved.

Please refer to FIG. 6 , which shows a schematic block diagram of a second preferred embodiment of the present invention; the structure, connections and effects of this preferred embodiment are roughly the same as those of the aforementioned first preferred embodiment, so they will not be repeated here. The difference between the two lies in that: the smart card 1 further includes a supercharger 17, and the supercharger 17 is electrically connected to the first antenna 131 for supercharging the electric energy of the first electromagnetic wave 2 received by the first antenna 131 , that is, when the electric energy of the first electromagnetic wave 2 received by the first antenna 131 does not reach a predetermined voltage (such as 40 volts), the electric energy of the first electromagnetic wave 2 is boosted to a predetermined voltage by the booster 17, thereby Effectively achieve the effect of voltage stabilization.

In summary, the present invention has the following advantages compared to existing ones:

1. It has the effect of independently displaying information on the smart card;

2. It can improve the confidentiality of the overall data;

3. Better convenience.

Claims (9)

1. A smart card that can be independently displayed is suitable for wireless connection to an external interface, characterized in that the smart card includes: a body; An antenna module, which is arranged on the body, the antenna module has a first antenna and a second antenna, the first antenna is used to receive a first electromagnetic wave transmitted by the external interface, and the second antenna is used to send and receive a second electromagnetic wave; An electronic paper, which is arranged on the main body; a driving element, arranged in the main body, the driving element is electrically connected to the electronic paper and the first antenna respectively, and the driving element controls a piece of information displayed by the electronic paper according to the received first electromagnetic wave; and A radio frequency chip is arranged in the main body. The radio frequency chip is electrically connected to the second antenna to send and receive the second electromagnetic wave. The radio frequency chip is isolated from the drive element. 2. The smart card capable of independent display according to claim 1, characterized in that, one side of the main body is provided with an accommodating opening, and the electronic paper is accommodated in the accommodating opening, and the electronic paper is used for to display a message. 3. The smart card capable of independent display as claimed in claim 1, wherein said first electromagnetic wave includes a graphic signal and an electrical energy, and said drive element drives said electronic paper through the electrical energy and graphic signal Display information. 4. The independently displayable smart card as claimed in claim 1, wherein the second electromagnetic wave contains a data file. 5. The independently displayable smart card as claimed in claim 1, wherein the frequency of the first electromagnetic wave received by the first antenna is different from the frequency of the second electromagnetic wave received by the second antenna. 6. The smart card capable of independent display as claimed in claim 3, further comprising a supercharger, the supercharger is arranged in the body, and the supercharger is electrically connected to the first antenna for To boost the electric energy. 7. The independently displayable smart card according to claim 1, wherein said external interface comprises: A reader, wirelessly connected to the second antenna, the reader reads and writes according to the received second electromagnetic wave, and generates a new data data and a display data; a display module, the display module is connected to the reader to display the display data; A vector analysis module, the vector analysis module is connected to the display module, and the vector analysis module performs calculations on the received display data and converts them into a graphic data; and A pixelation module, the pixelation module is connected to the vector analysis module, the pixelation module performs calculation and processing according to the received graphics data to generate a graphics signal, and the external interface combines the graphics signal with an electric energy provided by the reader Converted and combined into the first electromagnetic wave, the external interface transmits to the first antenna in a wireless transmission manner. 8. The independently displayable smart card according to claim 7, wherein the reader has at least one third antenna, and the third antenna is wirelessly connected to the second antenna. 9. The smart card capable of independent display as claimed in claim 8, wherein the external interface further has a fourth antenna connected to the pixelated module, and the fourth antenna is wirelessly connected to the first antenna.

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