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Passive magnetic induction button device

A passive magnetic and key technology

Inactive Publication Date: 2014-09-03
HUIZHOU 8 MM TEC COMP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] With the expansion of user functions and the demand for user-friendly operation, the existing NFC-enabled mobile phones have smart keys such as Mi Key and 360 Smart Key on the market in terms of external shortcut keys. The smart key support comes from built-in applications and shortcuts , by extending the earphone port to achieve the purpose of external buttons, the disadvantage of this method is that when using these products, the earphones cannot be used at the same time, which reduces the user experience

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0025] Such as figure 1 As shown, this embodiment provides a passive magnetic induction key device, which includes a radio frequency chip 1 and an antenna and a matching circuit 3 for near-field communication with an external NFC device 2, and also includes a switch key device 4. One end of the switch button device 4 is connected with the antenna and the matching circuit 3, and the other end is connected with the radio frequency chip 1.

[0026] In an embodiment, the radio frequency chip is an NFC radio frequency chip.

[0027] In another embodiment, the radio frequency chip is a passive RFID tag chip.

[0028] Such as figure 2 As shown, the switch button device includes an electromagnetic induction coil 5 and a membrane switch 6. The electromagnetic induction coil 5 and the membrane switch 6 are connected in series to form an electromagnetic control circuit. The radio frequency chip 1 is connected to the induction coil 5 through the membrane switch 6.

[0029] In this embodiment, a ...

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Abstract

The invention discloses a passive magnetic induction button device. The passive magnetic induction button device comprises a radio frequency chip and an antenna and matching circuit used for carrying near field communication with external NFC equipment and further comprises a switch button device, wherein one end of the switch button device is connected with the antenna and matching circuit, and the other end of the switch button device is connected with the radio frequency chip. According to the passive magnetic induction button device, by arranging the switch button device between the radio frequency chip and the antenna and matching circuit, the switch button device can be made to be quite thin and light according to the technology in the prior art, and can be pasted through non-setting adhesive on a handset with an NFC module, a notebook computer with an NFC module, or various types of access control equipment with an NFC function, or casings of various types of card readers used for reading passive RFID labels, can be randomly removed or torn when not being used, and function expansion does not influence use of other functions.

Description

Technical field [0001] The invention relates to the technical field of electronic information, and specifically refers to a passive magnetic induction key device. Background technique [0002] With the development of short-range wireless communication technology, more and more mobile phones have supported the NFC (Near Field Communication, short-range wireless communication) function, and can run in the reader mode, point-to-point mode, card simulation mode. Under three modes. The NFC mobile phone has a built-in NFC radio frequency chip, which forms part of the RFID module. It can be used as an RFID passive tag—used to pay for expenses; or as an RFID reader—used for data exchange and collection. NFC technology supports a variety of applications, including mobile payments and transactions, peer-to-peer communications, and mobile information access. Through NFC mobile phones, people can connect with the entertainment services and transactions they hope to get at any place, any ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/94H04B5/00
Inventor 吕菲张宇路王紫昀
Owner HUIZHOU 8 MM TEC COMP
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