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Phone silencer

A muffler and speech technology, which is applied in the direction of side tone elimination circuit, telephone structure, etc., can solve the problems of important information leaking, lowering the voice, etc., and achieve the effect of high call quality, enhanced sound insulation and noise reduction

Inactive Publication Date: 2010-11-17
李光明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Or, sometimes we happen to receive important calls or talk about confidential issues in public places. At this time, we should try our best to keep our voices down to avoid being heard by outsiders around us and let the people on the other side of the phone hear us clearly Difficulty with the content of the content, currently there is no device that allows people to make calls without worrying about affecting the people around them or fearing that important information will be leaked

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0019] Speech muffler, which consists of: a cylindrical shell 1 with a muffler inside, one end of the cylindrical shell has an air inlet 2, and the other end has an air outlet 3, so The air inlet end of the cylindrical shell is connected to the mask 4 , and the mask is connected to the fixing belt 5 .

Embodiment 2

[0021] In the speech muffler, the noise reduction device includes a sound insulation tube 6 matching the shape of the inner cavity of the cylindrical shell, and a front partition 7 and a rear partition are used in the inner cavity of the sound insulation tube. The plate 8 is divided into three parts: the front chamber 9, the middle chamber 10 and the rear chamber 11. There is a long communication pipe passing through the front partition and the rear partition between the front chamber and the rear chamber. 12. There is a short connecting pipe 13 passing through the rear partition between the middle chamber and the rear chamber, and there is a short communication pipe 13 passing through the rear partition between the middle chamber and the rear chamber. The dividing plate communicates with the middle connecting pipe 14 of the air outlet.

Embodiment 3

[0023] In the speech muffler, the central axis of the long communication pipe, the central axis of the short communication pipe and the central axis of the middle communication pipe are respectively parallel to the central axis of the sound insulation tube and misaligned with each other.

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PUM

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Abstract

The invention relates to a phone silencer. No device which can help people to eliminate an influence on other people or prevent leakage of important information in answering a phone or calling exists at present. The speech silencer comprises a barrel-shaped shell (1), wherein a silencer is arranged in the barrel-shaped shell; one end of the barrel-shaped shell is provided with a gas inlet (2); the other end of the barrel-shaped shell is provided with a gas outlet (3); and the gas inlet end of the barrel-shaped shell is connected with a mask (4) which is connected with a fixing band (5). The product is used for sound insulation during calling.

Description

Technical field: [0001] The invention relates to a speech silencer used when making a phone call in public. Background technique: [0002] Many times in life, you have to talk on the phone in public. At this time, if you speak loudly, it will affect the normal work, study or rest of others. Or, sometimes we happen to receive important calls or talk about confidential issues in public places. At this time, we should try our best to keep our voices down to avoid being heard by outsiders around us and let the people on the other side of the phone hear us clearly However, there is no device at present that allows people not to worry about affecting the people around them or fearing that important information will be leaked when they make or receive calls. Invention content: [0003] The purpose of the present invention is to provide a speech silencer, which can make people not worry about affecting the people around them or fearing that important information will be leaked wh...

Claims

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Application Information

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IPC IPC(8): H04M1/19H04M1/58
Inventor 李光明
Owner 李光明
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