WO2017133148A1

WO2017133148A1 - Headphone plug, socket, headphone and terminal

Info

Publication number: WO2017133148A1
Application number: PCT/CN2016/083941
Authority: WO
Inventors: 吴玉文; 李凯
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-02-01
Filing date: 2016-05-30
Publication date: 2017-08-10
Also published as: CN205545799U

Abstract

The present application discloses a headphone plug, a socket, a headphone and a terminal, which are used to improve the audio transmission quality of the related headphone. The headphone plug comprises a left sound channel, a right sound channel, a first ground providing a ground signal for the left sound channel and a second ground providing a ground signal for the right sound channel.

Description

Earphone plug, socket, earphone and terminal

Technical field

The present application relates to, but is not limited to, the field of electronics, and in particular, to an earphone plug, a socket, an earphone, and a terminal.

Background technique

Many music lovers connect to music devices through headphones to enjoy music, and music lovers want to feel the sound similar to the original sound when they listen to music. They want to hear high-fidelity music, so a pair of comfortable headphones becomes Quite important.

Related common headphones include international standard 3.5mm 3rd and 4th level plug headphones. At present, the sound quality of the headphone of the 3rd and 4th plugs is mixed, which is difficult to satisfy the music enthusiast's demand for HIFI (High-Fidelity) sound.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

In view of the defects of the related art and the above findings, an object of the embodiments of the present invention is to provide an earphone plug, a socket, an earphone and a terminal for improving the audio transmission quality of the related earphone.

A headphone plug comprising a left channel, a right channel, a first ground for providing a ground signal to the left channel, and a second ground for providing a ground signal to the right channel.

Optionally, an isolation layer is disposed between the first ground and the second ground.

Optionally, the earphone plug further includes a microphone, and the first ground or the second ground further provides a ground signal to the microphone.

An earphone comprising the earphone plug of the embodiment of the present invention.

A headphone jack includes a left channel, a right channel, a first ground for providing a ground signal to the left channel, and a second ground for providing a ground signal to the right channel.

Optionally, the earphone socket further includes a microphone, and the first ground or the second ground further provides a ground signal to the microphone.

A terminal comprising the earphone socket of the present invention.

The beneficial effects of the embodiments of the present invention are as follows:

In the embodiment of the present invention, the unique grounding signal of the earphone plug or the earphone socket is split into two grounding signals, respectively, for grounding and reflowing of the left and right channels respectively, so that the left and right channels are grounded separately, effectively solving the crosstalk problem of the left and right channels, and improving the audio transmission of the earphones. Quality, achieving high fidelity HIFI sound.

BRIEF abstract

1 is a schematic structural view of a 5-stage earphone plug according to an embodiment of the present invention;

2 is a schematic structural view of a level 4 earphone plug in the related art;

3 is a schematic structural view of a 5-stage earphone socket in the embodiment of the present invention.

Embodiments of the invention

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other.

The inventors of the present invention found that the reason why the headphone sound quality distortion is mixed is that the left and right channel signal reflow of the related earphones is a common ground connection, and it is easy to generate a large impedance, causing crosstalk of the left and right channels to increase, and the sound quality distortion is mixed.

In order to improve the audio transmission quality of the related earphone, the embodiment of the present invention provides a headphone plug, a socket, an earphone and a terminal.

Embodiment 1

As shown in FIG. 1 , an embodiment of the present invention provides an earphone plug including a left channel L, a right channel R, a ground 1 (first GND) for providing a ground signal to the left channel L, and Ground 2 (second GND) for providing a ground signal to the right channel R; wherein there is an isolation layer 3 between the ground 1 and the ground 2, and the isolation layer is an insulating layer.

The embodiment of the present invention splits the unique grounding signal of the related earphone plug into two grounding signals, The left and right channels are grounded and reflowed separately, so that the left and right channels are grounded separately, effectively solving the left and right channel crosstalk problems, improving the audio transmission quality of the headphones, and achieving high fidelity HIFI sound effects.

The earphone plug of the embodiment of the present invention can be set to a level 4 earphone plug and a level 5 earphone plug when implemented. That is to say, the 4-level earphone plug of the embodiment of the present invention only needs to include the left and right channels and two grounds, and the 5-level earphone plug of the embodiment of the present invention further includes a microphone (MIC), that is, ground 1 or Ground 2 also provides a ground signal to the microphone. In the related art, the A, B, and C stages of the level 3 headphone plug are the left channel L, the right channel R, and GND (ground), respectively. The level 3 headphone plug of the related art can be modified to form a level 4 headphone plug of the embodiment of the present invention. The A, B, C, and D stages of the 4-level headphone plug of the embodiment of the present invention are the left channel L, the right channel R, GND1, and GND2, respectively.

As shown in FIG. 2, the A, B, C, and D stages of the related standard 4-level headphone plug are the left channel L, the right channel R, GND, and the MIC, respectively. Of course, the A, B, C, and D levels of the related non-standard 4-level headphone plugs can also be left channel L, right channel R, MIC, and GND, respectively.

The associated level 4 earphone plug can be modified to form a level 5 earphone plug of an embodiment of the present invention. The A, B, C, D, and E stages of the 5-level earphone plug of the embodiment of the present invention can be respectively set to the left channel L, the right channel R, the GND1, the GND2, and the MIC (as shown in FIG. 1); Set to left channel L, right channel R, MIC, GND1, and GND2.

Of course, in order to ensure the audio transmission quality of the earphone plug, the isolation layer between the left channel, the right channel, the ground 1, the ground 2 and the MIC of the earphone plug implemented by the present invention can be set as a shielding layer, and the shielding layer is not only It can shield the interference between the stages and can also act as an insulating layer.

Embodiment 2

The embodiment of the present invention provides an earphone, and the earphone of the embodiment of the present invention includes the earphone plug of the first embodiment.

When the embodiment of the present invention is implemented, reference may be made to the first embodiment, and the technical effects of the first embodiment are also omitted.

Embodiment 3

As shown in FIG. 3, an embodiment of the present invention provides a headphone jack including a left channel, a right channel, a GND1 (ground 1) for providing a ground signal for the left channel, and a sound for rightward The channel provides GND2 (ground 2) of the ground signal, wherein there is an isolation layer between the ground 1 and the ground 2, and the isolation layer is specifically an insulating layer.

The embodiment of the present invention splits the unique grounding signal of the earphone socket into two grounding signals in the related art, respectively, for grounding and reflowing of the left and right channels, respectively, and grounding the left and right channels respectively, effectively solving the crosstalk problem of the left and right channels, and improving the audio of the earphone. Transmission quality, achieving HIFI sound effects.

The earphone socket of the embodiment of the present invention may be implemented as a 4-level earphone socket and a 5-level earphone socket corresponding to the 4-level earphone plug and the 5-level earphone plug in Embodiment 1.

In the related art, the A, B, and C stages of the level 3 headphone jack are left channel L, right channel R, and GND (ground), respectively. The level 3 headphone jack of the related art can be modified to form a level 4 headphone jack of the embodiment of the present invention.

The A, B, C, and D stages of the 4-level headphone jack of the embodiment of the present invention are the left channel L, the right channel R, GND1, and GND2, respectively. The 4-level headphone jack in the embodiment of the present invention is configured to be compatible with the related-level 3-level headphone jack, the 3-level headphone plug, and the level 3 headphone.

The A, B, C, and D levels of the related standard level 4 headphone jack are left channel L, right channel R, GND, and MIC, respectively. Of course, the A, B, C, and D levels of the related non-standard 4-level headphone jacks can also be left channel L, right channel R, MIC, and GND, respectively.

The level 4 headphone jack of the related art can be modified to form a level 5 headphone jack of the embodiment of the present invention. The A, B, C, D, and E stages of the 5-level earphone plug of the embodiment of the present invention can be respectively set to the left channel L, the right channel R, the GND1, the GND2, and the MIC (as shown in FIG. 1); Set to left channel L, right channel R, MIC, GND1, and GND2.

The 5-level earphone socket in the embodiment of the present invention is set to be compatible with the related-level 4-level earphone socket, the 4-level earphone plug and the 4-level earphone, and is compatible with the related 3-level earphone socket and the 3-level earphone plug. The head and the level 3 earphones, as well as the level 4 headphone jack, the level 4 headphone plug and the level 4 headphone in the embodiment of the present invention.

Of course, in order to ensure the audio transmission quality of the earphone plug, the isolation layer between the left channel, the right channel, the ground 1, the ground 2 and the MIC of the earphone socket implemented by the present invention may be set as a shielding layer, and the shielding layer is not only Interference between each stage can be shielded and act as an insulating layer.

Embodiment 4

The embodiment of the present invention provides a terminal, where the terminal includes the earphone socket in the third embodiment. In the embodiment of the present invention, the terminal may include a device having an audio output function; a mobile terminal such as a mobile phone or a tablet computer; and a terminal such as a desktop computer, a notebook, a television, and a tape recorder.

When the embodiment of the present invention is implemented, reference may be made to the third embodiment, and the technical effects of the third embodiment are also provided, and details are not described herein again.

Although alternative embodiments of the present invention have been disclosed above for illustrative purposes, those skilled in the art will appreciate that each modification, addition, and substitution are also possible, and thus the scope of the present invention should not be limited to the implementation described above. example.

Industrial applicability

Claims

A headphone plug comprising a left channel, a right channel, a first ground for providing a ground signal to the left channel, and a second ground for providing a ground signal to the right channel.
The earphone plug of claim 1 wherein there is an isolation layer between said first ground and said second ground.
The earphone plug of claim 1 or 2, further comprising a microphone, the first ground or the second ground further providing a ground signal to the microphone.
An earphone comprising the earphone plug of any of claims 1-3.
A headphone jack includes a left channel, a right channel, a first ground for providing a ground signal to the left channel, and a second ground for providing a ground signal to the right channel.
A headphone jack according to claim 5, wherein an isolation layer is provided between said first ground and said second ground.
A headphone jack according to claim 5 or 6, said headphone jack further comprising a microphone, said first ground or said second ground further providing a ground signal to said microphone.
A terminal comprising the earphone jack of any of claims 5-7.