Antenna access identification method

An antenna and antenna signal technology, applied in electrical components, transmission systems, etc., can solve the problems of design waste and low earphones, and achieve the effects of reducing weight, reducing volume, and increasing portability

Inactive Publication Date: 2014-11-19
SHANGHAI MORUAN COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in many cases, the frequency of users using earphones is n

Method used

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  • Antenna access identification method

Examples

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Effect test

Embodiment 1

[0015] The mobile phone with an external antenna provided in this embodiment includes an antenna connection device and a microprocessor controller, and the antenna connection device is connected to the microprocessor controller circuit for realizing the connection between the external antenna and the microprocessor controller. Signal transmission.

[0016] Such as figure 1 As shown, the antenna connection device includes a mechanical interface, an interface circuit, and a signal processing module; the mechanical interface is an earphone interface provided with a grounding PIN pin, and the interface circuit includes a grounding isolation device 1; the grounding PIN pins are respectively connected to One end of the signal processing module is connected to one end of the ground isolation device 1; the other end of the ground isolation device 1 is used to be connected to the ground of the mobile phone; the other end of the signal processing module is connected to the micro-process...

Embodiment 2

[0023] This embodiment introduces how the mobile phone with an external antenna provided in the first embodiment realizes the recognition of the external antenna by the mobile phone.

[0024] A method for identifying antenna access, comprising:

[0025] Step 1) Send the high-frequency analog signal received by the antenna to the analog signal processing module through the ground PIN pin of the earphone interface;

[0026] Step 2) The analog signal processing module performs signal processing on the high-frequency analog signal, which is convenient for analysis by a microprocessor controller;

[0027] Step 3) The microprocessor controller analyzes the processed signal to determine whether the high-frequency analog signal received in step 1) is an antenna signal.

[0028] Further, the step 2) specifically includes:

[0029] Step 21) amplifying the high-frequency analog signal through the low-noise amplifier;

[0030] Step 22) performing mixing processing and amplification pro...

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Abstract

The invention discloses an antenna access identification method. The method comprises the following steps: (1) transmitting a high-frequency analog signal received by an antenna to an analog signal processing module through the grounding PIN of an earphone interface; (2) processing the high-frequency analog signal through the analog signal processing module; and (3) analyzing the processed signal through a microprocessor controller in order to judge whether the high-frequency analog signal received in the step (1) is an antenna signal or not. The method has the advantages that I, the antenna is pluggable, so that the weight of a mobile phone can be reduced, the size of the mobile phone is reduced, and the portability of the mobile phone is improved; and II, an additional mobile phone jack does no need to be designed, so that the cost is saved, and the waste in mobile design is avoided.

Description

technical field [0001] The invention relates to the field of electronic communication, in particular to a method for antenna access identification. Background technique [0002] Along with the development of electronic communication technology, the function of mobile phone is powerful day by day. The function of mobile phones to receive Frequency Modulation (FM, Frequency Modulation) and the function of mobile phones to receive China Mobile Multimedia Broadcasting (CMMB, China Mobile Multimedia Broadcasting) are already common functions of mobile phones. To realize the above functions, it is necessary to set up a FM radio antenna (FM antenna) or a China Mobile Multimedia Broadcast antenna (CMMB antenna) in the circuit of the mobile phone. In the prior art, the (FM antenna) or (CMMB antenna) is built into the main board of the mobile phone. This design not only has poor effect, but also increases the volume of the mobile phone and reduces the advantages of mobile phone porta...

Claims

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Application Information

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IPC IPC(8): H04B1/40
Inventor 王海洋
Owner SHANGHAI MORUAN COMM TECH
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