Near-field radiofrequency communication card and communication terminal
A near-field radio frequency communication and mobile communication card technology, which is applied in the field of smart card communication, can solve problems such as unsatisfactory communication effects and achieve stable communication effects
Active Publication Date: 2012-07-04
深圳市白泽图腾科技有限公司
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[0005] The purpose of the embodiment of the present invention is to provide a near-field radio frequency communication card, aiming to solve the problem that the current near-field radio frequency communication card only has a single antenna in the card body and the position of the antenna is fixed, resulting in unsatisfactory communication effects
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[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0023] The near-field radio frequency communication card provided by the embodiment of the present invention is mainly used in communication terminals such as mobile phones, figure 1 The module structure of the near-field radio frequency communication card is shown. For the convenience of description, only the parts related to the embodiment of the present invention are shown, and the details are as follows:
[0024] The near-field radio frequency communication card includes: a micro control unit 100; a mobile communication card unit 400, a smart card unit 500 and an interface unit 200 electrically...
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The invention is suitable for the field of smart card communication, and provides a near-field radiofrequency communication card and a communication terminal. The near-field radiofrequency communication card comprises a micro control unit, a mobile communication card unit, a smart card unit, an interface unit, a radiofrequency circuit unit, an antenna switching unit, a first antenna and a second antenna, wherein the mobile communication card unit, the smart card unit and the interface unit are electrically connected with the micro control unit respectively; the radiofrequency circuit unit is electrically connected with the smart card unit; the antenna switching unit is electrically connected with the micro control unit and the radiofrequency circuit unit respectively; the first antenna and the second antenna are electrically connected with the antenna switching unit; the first antenna or the second antenna is used for establishing connection between the near-field radiofrequency communication card and an external NFC (Near Field Communication) card reader; and the antenna switching unit is used for selecting the first antenna or the second antenna for performing radiofrequency communication according to a command output by the micro control unit. In the near-field radiofrequency communication card provided by the invention, double antennae are adopted, so that an appropriate antenna can be selected according to an external environment for performing radiofrequency communication, and a stable communication effect is achieved.
Description
technical field [0001] The invention belongs to the field of smart card communication, in particular to a near-field radio frequency communication card and a communication terminal. Background technique [0002] In people's daily life, various cards have been used more and more, such as bank deposit cards, credit cards, attendance cards, access control cards, and various IC cards for small payments, such as bus cards or phone cards etc. All mobile phones have a mobile communication card, such as SIM (Subscriber Identity Module), UIM (User Identity Module), etc., which store personal information and network information related to users. In fact, mobile communication cards are On behalf of the user, it is an international mobile subscriber identification module with a micro-processing chip inside. [0003] At present, the mobile phone has become a must-have tool for people to go out. If the mobile phone can not only have the basic communication function, but also have the fu...
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IPC IPC(8): G06K19/07H04W88/02
Inventor 钟衍徽李志雄程振
Owner 深圳市白泽图腾科技有限公司