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A short distance communication antenna, electronic equipment and circuit switching method

A technology for short-range communication and electronic equipment, which is applied in the directions of antennas, antenna supports/installation devices, electrical components, etc., and can solve the problems affecting the transmission and reception of NFC antenna signals.

Active Publication Date: 2019-04-26
LENOVO (BEIJING) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The all-metal shell will shield the NFC antenna built in the electronic device and affect the signal transmission and reception of the NFC antenna

Method used

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  • A short distance communication antenna, electronic equipment and circuit switching method
  • A short distance communication antenna, electronic equipment and circuit switching method
  • A short distance communication antenna, electronic equipment and circuit switching method

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Embodiment Construction

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0051] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0052] figure 1 It is a structural diagram of Embodiment 1 of the short-distance communication antenna of the present invention. Such as figure 1 As shown, the short-range communication antenna may include:

[...

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PUM

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Abstract

The invention discloses a near field communication antenna, an electronic device and a circuit switching method. The near field communication antenna comprises an antenna body and a plug, wherein the antenna body is arranged at one end of the plug, a signal path is arranged between the antenna body and the plug, the shape of the plug is matched with a headset jack of the electronic device of the near field communication circuit, and the near field communication circuit is connected with the near field communication circuit through the signal path after the plug is plugged into the headset jack. With the adoption of the near field communication antenna, the electronic device or the circuit switching method, disclosed by the invention, the near field communication (NFC) antenna is detachably arranged on the electronic device, and the NFC antenna still can normally sends and receives a signal when a shell of the electronic device is made of an all-metal material.

Description

technical field [0001] The invention relates to the communication field, in particular to a short-distance communication antenna, electronic equipment and a circuit switching method. Background technique [0002] Near Field Communication (NFC) technology evolved from the integration of non-contact radio frequency identification (RFID) and interconnection technologies. Using NFC technology, it can identify and exchange data with compatible devices within a short distance. [0003] In the prior art, the NFC antenna is usually built into the electronic device to achieve the effect of reducing the volume of the electronic device. However, as the size of the electronic device develops towards a thinner and lighter direction, the NFC antenna built in the electronic device has become a major factor hindering further reduction in the size of the electronic device. [0004] In addition, more and more casings of current electronic devices are made of all-metal materials. The all-me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q1/24H01Q23/00
Inventor 李果
Owner LENOVO (BEIJING) LTD
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