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NFC device of wearable device with metal outer frame and wearable device

A metal frame, wearable device technology, applied in the NFC field, to increase the available space, save the thickness, and save the cost of the device

Inactive Publication Date: 2015-07-08
SHANGHAI AMPHENOL AIRWAVE COMM ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is how to reduce the adverse effect of the existing NFC antenna on the cost and the thickness of the wearable device

Method used

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  • NFC device of wearable device with metal outer frame and wearable device
  • NFC device of wearable device with metal outer frame and wearable device
  • NFC device of wearable device with metal outer frame and wearable device

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Embodiment Construction

[0023] The following will combine Figure 1 to Figure 4 The NFC device and the wearable device of the wearable device with a metal frame provided by the present invention are described in detail through several embodiments, which are optional embodiments of the present invention. It can be considered that those skilled in the art will not change the present invention revise and polish it within spirit and content.

[0024] Please refer to Figure 1 to Figure 4 In an embodiment, the present invention provides an NFC device of a wearable device with a metal frame, including a slit 2 on the metal frame 1, an antenna matching network 7, a power amplifier 8 and an NFC chip 9, the metal The outer frame 1 is divided into an open loop by the slit 2, and the two ends of the open loop of the metal outer frame 1 serve as two access points A and B connected to one side of the antenna matching network 7, the The other side of the antenna matching network 7 is respectively connected to th...

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Abstract

The invention provides an NFC device of a wearable device with a metal outer frame. The NFC device comprises a slit in the metal outer frame, an antenna matching network, a power amplifier and an NFC chip; the metal outer frame is divided by the slit into an open loop, the two ends of the open loop of the metal outer frame serve as two access points which are connected to one side of the antenna matching network, the other side of the antenna matching network is connected to the NFC chip and the power amplifier, and the power amplifier is further connected with the NFC chip; a clearance area for a magnetic force line to pass through is arranged on the inner side of the metal outer frame.

Description

technical field [0001] The invention relates to the field of NFC, in particular to an NFC device of a wearable device with a metal outer frame and the wearable device. Background technique [0002] NFC (Near Field Communication) is an extremely short-range radio frequency identification communication protocol technical standard. NFC technology is mainly based on radio frequency technology operating at a frequency of 13.56MHz. Its transmission range is small, but it has the advantages of fast transmission and low energy consumption. NFC operates within a distance of 10 to 20 centimeters, and its data transmission rate is faster, more reliable, simpler than infrared transmission, and more secure than Bluetooth. [0003] With the popularization of smart consumer terminals and 4G networks, many users pursue the fast, efficient and convenient life experience of smart electronic devices, making most wearable devices (such as: watches) add short-range wireless communication (NFC) ...

Claims

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Application Information

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IPC IPC(8): H01Q1/44H01Q1/27G04R60/06
Inventor 黄参赵学田
Owner SHANGHAI AMPHENOL AIRWAVE COMM ELECTRONICS
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