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The three-button headphone control box that can switch Android or Apple system optimizes the circuit

A control box, Apple's technology, applied in the direction of transducer circuits, electrical components, sensor components, etc., can solve problems such as the inability to solve microphone control problems, achieve a compact overall shell structure, ensure compatibility, and reduce the number of parts Effect

Inactive Publication Date: 2019-05-17
ZHONGMING DONGGUAN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this patent does not solve the microphone control problem, and it requires both Android and Apple circuits on the same PCB

Method used

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  • The three-button headphone control box that can switch Android or Apple system optimizes the circuit
  • The three-button headphone control box that can switch Android or Apple system optimizes the circuit
  • The three-button headphone control box that can switch Android or Apple system optimizes the circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] In this embodiment, refer to figure 1 with figure 2 , the optimized circuit of the three-button headphone control box that can switch Android or Apple system includes 3.5mm plug, Apple IC, three-button control button, field effect transistor Q1 and microphone module, 3.5mm plug, field effect transistor Q1 and three The key control buttons are all grounded, the positive end of the microphone of the 3.5mm plug is connected to the Apple IC and one end of the microphone module respectively, the 3.5mm plug includes the left channel and the right channel, and the other end of the microphone module is connected to one end of the field effect transistor Q1. connect. The Apple IC includes a microphone power terminal and a memory identification terminal, and the microphone power terminal is connected to the other end of the field eff...

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PUM

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Abstract

A three-button earphone control box optimization circuit capable of switching an Android or Apple system, comprising a plug of 3.5 mm, an Apple IC, a three-button control button, a field effect transistor (Q1) and a microphone module. The circuit further comprises a changeover switch, a resistor network changeover module and a diode (D7). When the changeover switch is switched to a switching end of an Apple mode, a signal generated by the Apple IC controls the enabling of the field effect transistor (Q1), and at the same time, a voltage bias level generated by the Apple IC is transmitted to a positive electrode end of a microphone capable of being recognized by an Apple device, so that the same field effect transistor (Q1) and the positive electrode end of the microphone are shared in both an Android mode and an Apple mode. A three-button built-in microphone control box combining two different circuit structures enables the circuit to simultaneously support Android and Apple devices. By means of a changeover performed by a resistor network changeover module, a circuit, as a whole, only needs to configure one resistor network, and since an Apple resistor network belongs to a part of the whole Android resistor network, electrical elements for achieving this purpose become fewer.

Description

technical field [0001] The invention relates to the field of earphone circuits, in particular to an optimized circuit for a three-button earphone control box that can switch between an Android system or an Apple system. Background technique [0002] Wired in-ear or headband headphones, with a built-in microphone and three-button control box, there are two different types of circuitry for Apple or Android smart devices, including mobile phones and tablets. [0003] Headphones or headsets for Apple or Android smart devices typically require a three-button control box with a microphone. In most cases, these three buttons are "Volume Up", "Volume Down" and "Multifunction Button (MFB)". The "Volume Up" and "Volume Down" buttons are used to increase and decrease the volume of the headset, while the MFB has multiple functions, such as music play / pause or answering calls, etc. The built-in microphone will be used for two-way communication in voice mode. [0004] Apple has its own ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R3/00
CPCH04R3/00
Inventor 杨少聪林文泰
Owner ZHONGMING DONGGUAN ELECTRONICS