Dual-frequency label with data security
A safe and data-rich technology, applied in the direction of record carriers, instruments, computer components, etc. used by machines, can solve the problems of not being able to share the same memory, and achieve high practical application value
Active Publication Date: 2010-03-10
SHANGHAI AUTOMATION FOR PUBLIC UTILITIES
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Problems solved by technology
[0003] There are also dual-frequency products on the market that support both high-frequency and UHF or microwave bands, but the storage media for short-distance and long-distance operations are physically separated and cannot share the same memory
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[0019] The present invention will be further described below in conjunction with accompanying drawing.
[0020] see figure 1 , the figure shows a dual-frequency tag 100 with data security of the present invention, the dual-frequency tag 100 is connected with the peripheral remote reading and writing device 7, the universal contactless card reader 8 and the external contactless card 9 Linked to realize long-distance and short-distance wireless data exchange, the dual-frequency tag 100 includes a main control chip 1, a microwave antenna 2 connected to the main control chip 1, a lithium battery 3, and a non-contact card read-write base station chip 4 , also includes a high-frequency antenna 5 connected to the contactless card read-write base station chip 4 and a built-in non-contact CPU card 6 for short-distance wireless data exchange with the high-frequency antenna 5, wherein:
[0021] The main control chip 1 can simultaneously operate the built-in non-contact CPU card 6 and th...
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The invention discloses a dual-frequency label with data security, which is contacted with a peripheral remote reading and writing equipment, a general non-contact card reading and writing device and an external non-contact card; the dual-frequency label comprises a main control chip, a microwave antenna, a lithium battery, a non-contact card reading and writing base station chip, a high-frequency antenna and an internal non-contact CPU card, wherein the microwave antenna, the lithium battery and the non-contact card reading and writing base station chip are connected with the main control chip; the high-frequency antenna is connected with the non-contact card reading and writing base station chip; the internal non-contact CPU card carries out close-distance wireless data exchanging with the high-frequency antenna; the main control chip can operate the internal non-contact CPU card and the external non-contact card simultaneously; and the internal non-contact CPU card comprises a key management module which realizes the operations of transmitting, memorizing, using, updating and abandoning of the key. In the invention, the label realizes that the memory operated when the dual-frequency label is taken as the high-frequency intelligent card and the microwave remote label is the internal non-contact CPU card, and realizes extremely high data security under the two operations.
Description
technical field [0001] The invention relates to a dual-frequency tag, in particular to a dual-frequency tag with data security. Background technique [0002] Microwave long-distance active tags mainly refer to radio frequency tags based on short-range wireless communication technology with built-in batteries and working in the 2.45GHz frequency band. The products on the market are mainly read-only products, and there are few read-write products. The storage media are all It is ordinary EEPROM or FLASH. [0003] There are also dual-frequency products on the market that support both high-frequency and UHF or microwave bands, but the storage media for short-range and long-range operations are physically separate and cannot share the same memory. [0004] With the continuous emergence of new applications, there have been many demands for products to operate the same memory in the short-range high-frequency and long-distance microwave frequency bands while ensuring data security...
Claims
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IPC IPC(8): G06K19/07G06K19/073
Inventor 孟凡华
Owner SHANGHAI AUTOMATION FOR PUBLIC UTILITIES