CN203563171U - Air conduit earphone - Google Patents
Air conduit earphone Download PDFInfo
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- CN203563171U CN203563171U CN201220083823.1U CN201220083823U CN203563171U CN 203563171 U CN203563171 U CN 203563171U CN 201220083823 U CN201220083823 U CN 201220083823U CN 203563171 U CN203563171 U CN 203563171U
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- air conduit
- sound
- thin film
- microphone
- earphone
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Abstract
The utility model relates to an air conduit earphone, comprising two systems: a receiver system and a speaking system. The receiver system comprises earphone heads and sleeves, audio cavities, air conduits, and sound wave concentrating ports. The other end of the air conduit is a thin flexible sheet adhesive sticker connector which is formed by sticking sheets and a pipe connector. A sticking sheet body is formed by a thin flexible sheet, and a rectangular flexible receiver sound cavity is disposed on the thin flexible sheet. The bottom surface adheres to an adhesive sticker layer. The pipe connector is on the top surface of the thin flexible sheet. The pipe connector is communicated with the rectangular receiver sound cavity. The pipe connector is made of a flexible material. The speaking system comprises a microphone, an audio frequency amplifier, a micro speaker, and an air conduit. The audio frequency amplifier is disposed between the microphone and the micro speaker. A sound wave concentrating port is disposed between the micro speaker and the air conduit. The micro speaker, the microphone, and the audio frequency amplifier are in a housing, wherein a battery is disposed in the housing, the battery is selected from a rechargeable battery with a charger. The periphery of the micro speaker, the sound wave concentrating ports, and the air conduits are sealed. Air conduit terminals are abutted against an edge of the microphone. The position where the receiver system is disposed is arranged in a manner that loss of sound waves is little, and sound of a mobile phone speaker accesses the rectangular sound cavity or an oval sound cavity smoothly.
Description
Technical field
The utility model relates to a kind of air conduit earphone, relates to a kind of air conduit earphone for the serious communication equipment of the high frequency magnetic field israds such as mobile phone, and what be more particularly to air conduit earphone listens telephone system and speak system.
Background technology
Traditional insert earphone is all to use very long plain conductor and mobile phone or communication equipment to be connected in ear.Traditional earphone plain conductor all can be delivered to the electromagnetic wave of mobile phone in people's brain, and human brain is caused to damage.It is more obvious to the damage of brain that traditional earphone plays antenna sometimes.Application number is: 201020251898.7, the applying date is: on July 8th, 2010, invention and created name is: the utility model patent that thin film adhesive sticker is connected head discloses a kind of thin film adhesive sticker connection head, it is little that this thin film adhesive sticker is connected a volume, thin thickness, there is flexibility, can reliably be connected with the earpiece of any shape, succinctly attractive in appearance, peg graft flexibly, be not easy to fracture, do not affect the folding and shutdown of flip-type mobile phone, but, in the anti-radiating earphone of prior art, connecting a shortcoming for the mobile phone being connected with the thin film adhesive sticker of this earphone is: in order to prevent radiation, it is far that mobile phone leaves human body, simultaneously, during speech, do not pass through again air conduit, so the other side can't hear speaker's sound or can not hear clearly because sound is very little, therefore, the other side in the urgent need to address is because the sound of hearing is little, and undistinguished problem,
In addition, the adhesive sticker that the earphone of prior art and mobile phone are pasted just cannot have been used after using repeatedly, and the sound mouth on mobile phone is all rectangular, and it is a very little mouth, can make sound wave consumption very large;
Above-mentioned shortcoming based on prior art, therefore, on market, urgently hope is a kind of after adhesive sticker is used repeatedly, still operable, makes the loudspeaker sound of mobile phone all develop away simultaneously, makes the few good new product of tonequality of sound wave consumption.
Utility model content
The research of electromagenetic wave radiation research center, the world is confirmed, air conduit earphone is the best earphone of anti-electromagnetic radiation, in addition, International Health and environment cooperation institute (CHE) electromagnetic radiation job engineering are proposed when discussion mobile phone is safe: " preferably using air conduit earphone ".Air conduit earphone of the present utility model is connected with mobile phone with air conduit just entirely, is connected, so reached good radiation protection completely without plain conductor with mobile phone.Technical problem to be solved in the utility model is to provide a kind of air conduit earphone, its air conduit and this air conduit and earpiece mouth that be connected, that there is speak system, make can listen clearly, make sound wave consume sound less, mobile phone speaker successfully enter sound chamber again by sound wave concentrate mouthful, make sound wave successfully enter sound wave air conduit, earplug head arranges after sound wave sound chamber, that make to compress to conduit through air loosens and delivers in ear and listen, make the distortionless air conduit earphone of sound.
Air conduit earphone of the present utility model is achieved through the following technical solutions:
A kind of air conduit earphone, comprise two systems: one is to listen telephone system, and another is speak system, and the above-mentioned telephone system of listening comprises: earplug head and cover 1, sound cavity 2, air conduit 3, sound wave are concentrated mouth 4, the internal diameter of air conduit 3 is 1-4mm, and the volume of sound cavity 2 is 600-3000mm
3the other end of described air conduit 3 is that a kind of thin film adhesive sticker connects 5, this thin film adhesive sticker is connected 5 and is comprised of sticking tablet 5-1 and pipe joint 5-2, (wherein 5-1 and 5-2 do not show on figure, as follows) body of described sticking tablet consists of thin film 6, this thin film 6 is provided with rectangle beformable body and is subject to speech chamber 7, the bottom surface of thin film is attached with adhesive sticker adhered layer, described pipe joint 5-2 is arranged on the end face of thin film 6, this pipe joint 5-2 is communicated with by speech chamber 7 with described rectangle beformable body, described pipe joint 5-2 is made by flexible material
It is characterized in that:
1) above-mentioned speak system comprises: microphone 8, audio frequency amplifier 9, Microspeaker 10, air conduit 11, this audio frequency amplifier 9 is arranged between this microphone 8 and this Microspeaker 10, between this Microspeaker 10 and this air conduit 11, increase a sound wave and concentrated mouth 12, described Microspeaker 10, microphone 8 and audio frequency amplifier 9 are arranged in a shell 13, in shell 13, there is battery 14: this battery 14 is selected rechargeable battery band charger 14, the pronunciation end periphery of this Microspeaker 10, sound wave is concentrated mouth 12, sealing is taked in air conduit 11 threes' junction, the mobile phone microphone mouth 15 of the terminal of air conduit 11 and thin film 19 is connected,
2) air conduit of above-mentioned speak system and the above-mentioned air conduit of telephone system of listening can two-tubely be bonded together abreast, and then be coiled into spring shape by oval or circular, these 2 kinds of air conduits are all whippy air conduits, the part of above-mentioned stickup arranges sound chamber 16, position in above-mentioned stickup changes the very large aperture of the sound wave consumption of prior art into: a sound chamber 7, this sound chamber 7 is rectangular, be applicable to and the docking of mobile phone sound mouth, make successfully to enter air conduit from the sound wave of mobile phone speaker, make sound undistorted simultaneously, the sound chamber 7 that power consumption is few,
3) length of above-mentioned air conduit 3 is 110-1500mm.
Air conduit earphone as previously discussed,
It is characterized in that:
The air conduit of above-mentioned speak system and the above-mentioned air conduit of listening telephone system is two-tube is bonded together abreast, and then be coiled into spring shape by oval or circular, (on figure, do not show, as follows) these 2 kinds of air conduits are all whippy air conduits, easy to usely can not be wound around, the position of above-mentioned stickup arranges sound chamber 16, makes sound wave smoothly by air conduit 11.
Air conduit earphone as previously discussed,
It is characterized in that:
Above-mentioned speak system also can be used separately.
as previously discussedair conduit earphone,
it is characterized in that: the connection of above-mentioned air conduit earphone and mobile phone has designed plug-in type, with loud speaker and the microphone of inserting mode and mobile phone, connect.As shown in Fig. 4-1,4-2.
Air conduit earphone as previously discussed,
It is characterized in that: at earplug place, sound chamber 16 is set, makes to deliver in earphone and listen after the sound wave of overcompression loosens, make sound undistorted.
Air conduit earphone as previously discussed,
It is characterized in that: the adhesive sticker at the position of above-mentioned stickup loses after viscosity, use double faced adhesive tape to recover viscosity, air conduit is selected when very long, listens telephone system that amplifier is set.
Concrete operation principle is as follows: far because mobile phone leaves people, during speech, do not pass through again air conduit, so the other side can't hear speaker's sound, the utility model is on the basis of an original system, increased another speak system, just can solve the undistinguished problem of the other side, speak system microphone tone currents is small, so must be through audio frequency amplifier, amplify tone currents, promote Microspeaker, as mentioned above, the outlet of Microspeaker is sealed, at sound wave, concentrate mouth, sound is concentrated mouth through sound wave, input air conduit, the terminal of air conduit sticks on the microphone mouth of mobile phone, effectively promote mobile phone microphone, make hearing the sound of enough volumes.
The air conduit earphone of the present utility model following beneficial effect of having compared with the air conduit earphone of prior art:
1, because it is far that mobile phone leaves people, during speech, do not pass through again air conduit, so the other side can't hear talker's sound, inventor of the present utility model: on the basis of the original system of prior art, increased another speak system, solved the problem that the other side can not hear clearly, because microphone tone currents is small, so be provided with audio frequency amplifier, amplify tone currents, promote Microspeaker, as mentioned above, the outlet of Microspeaker is sealed, at sound wave, concentrate mouth, sound is concentrated mouth through sound wave, input air conduit, the terminal of air conduit sticks on the microphone mouth of mobile phone, effectively promote mobile phone microphone, make hearing the sound of enough volumes, therefore, improved the quality of product, because product of the present utility model had both overcome the shortcoming of prior art, solved again the damage of electromagnetic radiation to human brain, therefore, have good environmental benefit, good social benefit and good economic benefit, this is the most obvious technical characterictic that the utility model is different from prior art,
2, utilize thin film and earpiece mouth strong bond around, earpiece mouth is connected with the air conduit that leads to earplug is airtight, because thin film is very thin, so not only do not affected the appearance but also Pasting very firm; 3, because the position pasting changes over rectangular sound chamber, make the sound of mobile phone speaker successfully enter sound chamber, owing to having increased sound wave, concentrate mouth again, make sound wave successfully enter sound wave air conduit;
4, owing to sound chamber being set at earplug place, make to deliver in ear and listen after the sound wave of overcompression loosens, make sound undistorted;
5, because having lost efficacy, the adhesive sticker using at the position of above-mentioned stickup can continue to use after later use double-sided adhesive, when the new product of this utility model and the old product of prior art are compared, there is longer useful life, therefore, there is good Social benefit and economic benefit.
Accompanying drawing explanation
Below will by specific embodiments and the drawings, the utility model will be further described:
Fig. 1-1,1-2 are the obedient system configuration schematic diagrames of air conduit earphone of the present utility model;
Fig. 2-1,2-2 are the structural representations of the speak system of air conduit earphone of the present utility model;
Fig. 3-1,3-2 are the structural representations of listening telephone system and speak system to combine of air conduit earphone of the present utility model;
Fig. 4-1,4-2 are that air conduit earphone of the present utility model and speak system combine with the structural representation of plug-in type.
Wherein 1 is earplug head and cover, the 2nd, sound cavity, the 3rd, air conduit, the 4th, sound wave is concentrated mouth, the 5th, thin film adhesive sticker is connected head, 5-1 is sticking tablet, 5-2 is pipe joint, (wherein 5-1 and 5-2 do not show on figure, as follows) the 6th, thin film, the 7th, rectangle is subject to speech chamber, the 8th, microphone, the 9th, audio frequency amplifier, the 10th, Microspeaker, the 11st, air conduit, the 12nd, sound wave is concentrated mouth, the 13rd, shell, the 14th, Selection of Battery rechargeable battery band charger, the 15th, the microphone mouth of mobile phone, the 16th, sound chamber, the 17th, the output plug-in type interface of the loud speaker of mobile phone, the 18th, the plug-in type interface of the microphone of mobile phone, the 19th, another thin film.
Embodiment
A kind of air conduit earphone, comprise two systems: one is to listen telephone system, and another is speak system, and the above-mentioned telephone system of listening comprises: earplug head and cover 1, sound cavity 2, air conduit 3, sound wave are concentrated mouth 4, the internal diameter of air conduit 3 is 1mm, and the volume of sound cavity 2 is 600mm
3the other end of described air conduit 3 is that a kind of thin film adhesive sticker connects 5, this thin film adhesive sticker is connected 5 and is comprised of sticking tablet 5-1 and pipe joint 5-2, the body of described sticking tablet consists of thin film 6, and this thin film 6 is provided with rectangle beformable body and is subject to speech chamber 7, and the bottom surface of thin film 6 is attached with adhesive sticker adhered layer, described pipe joint 5-2 is arranged on the end face of thin film 6, this pipe joint 5-2 is communicated with by speech chamber 7 with described rectangle beformable body, described pipe joint 5-2 is made by flexible material
It is characterized in that:
1) above-mentioned speak system comprises: microphone 8, audio frequency amplifier 9, Microspeaker 10, air conduit 11, this audio frequency amplifier 9 is arranged between this microphone 8 and this Microspeaker 10, between this Microspeaker 10 and this air conduit 11, increase a sound wave and concentrated mouth 12, described Microspeaker 10, microphone 8 and audio frequency amplifier 9 are arranged in a shell 13, in shell 13, there is battery 14: this battery 14 is selected rechargeable battery band charger 14, the pronunciation end periphery of this Microspeaker 10, sound wave is concentrated mouth 12, sealing is taked in air conduit 11 threes' junction, the mobile phone microphone mouth 15 of the terminal of air conduit 11 and thin film 19 is connected,
2) the above-mentioned telephone system of listening: the position in above-mentioned stickup changes the very large aperture of the sound wave consumption of prior art into: a sound chamber 7, this sound chamber 7 be rectangular, be applicable to and the docking of mobile phone sound mouth, make sound wave from mobile phone speaker successfully enter air conduit, make that sound is undistorted, power consumption is few simultaneously;
3) length of this air conduit 3 is: 1500mm.
A kind of air conduit earphone, comprise two systems: one is to listen telephone system, and another is speak system, and the above-mentioned telephone system of listening comprises: earplug head and cover 1, sound cavity 2, air conduit 3, sound wave are concentrated mouth 4, the internal diameter of air conduit 3 is 4mm, and the volume of sound cavity 2 is 3000mm
3the other end of described air conduit 3 is that a kind of thin film adhesive sticker connects 5, this thin film adhesive sticker is connected 5 and is comprised of sticking tablet 5-1 and pipe joint 5-2, the body of described sticking tablet consists of thin film 6, and this thin film 6 is provided with rectangle beformable body and is subject to speech chamber 7, and the bottom surface of thin film 6 is attached with adhesive sticker adhered layer, described pipe joint 5-2 is arranged on the end face of thin film 6, this pipe joint 5-2 is communicated with by speech chamber 7 with described rectangle beformable body, described pipe joint 5-2 is made by flexible material
It is characterized in that:
1) above-mentioned speak system comprises: microphone 8, audio frequency amplifier 9, Microspeaker 10, air conduit 11, this audio frequency amplifier 9 is arranged between this microphone 8 and this Microspeaker 10, between this Microspeaker 10 and this air conduit 11, increase a sound wave and concentrated mouth 12, described Microspeaker 10, microphone 8 and audio frequency amplifier 9 are arranged in a shell 13, in shell 13, there is battery 14: this battery 14 is selected rechargeable battery band charger 14, the pronunciation end periphery of this Microspeaker 10, sound wave is concentrated mouth 12, sealing is taked in air conduit 11 threes' junction, the mobile phone microphone mouth 15 of the terminal of air conduit 11 and thin film 19 is connected,
2) the above-mentioned telephone system of listening: the position in above-mentioned stickup changes the very large aperture of the sound wave consumption of prior art into: a sound chamber 7, this sound chamber 7 be rectangular, be applicable to and the docking of mobile phone sound mouth, make sound wave from mobile phone speaker successfully enter air conduit, make that sound is undistorted, power consumption is few simultaneously;
3) length of this air conduit 3 is: 800mm.
A kind of air conduit earphone, comprise two systems: one is to listen telephone system, another speak system, the above-mentioned telephone system of listening comprises: earplug head and cover 1, sound cavity 2, air conduit 3, sound wave are concentrated mouth 4, the internal diameter of air conduit 3 is 2mm, and the volume of sound cavity 2 is 1500mm
3the other end of described air conduit 3 is that a kind of thin film adhesive sticker connects 5, this thin film adhesive sticker is connected 5 and is comprised of sticking tablet 5-1 and pipe joint 5-2, the body of described sticking tablet consists of thin film 6, and this thin film 6 is provided with rectangle beformable body and is subject to speech chamber 7, and the bottom surface of thin film 6 is attached with adhesive sticker adhered layer, described pipe joint 5-2 is arranged on the end face of thin film 6, this pipe joint 5-2 is communicated with by speech chamber 7 with described rectangle beformable body, described pipe joint 5-2 is made by flexible material
It is characterized in that:
1) above-mentioned speak system comprises: microphone 8, audio frequency amplifier 9, Microspeaker 10, air conduit 11, this audio frequency amplifier 9 is arranged between this microphone 8 and this Microspeaker 10, between this Microspeaker 10 and this air conduit 11, increase a sound wave and concentrated mouth 12, described Microspeaker 10, microphone 8 and audio frequency amplifier 9 are arranged in a shell 13, in shell 13, there is battery 14: this battery 14 is selected rechargeable battery band charger 14, the pronunciation end periphery of this Microspeaker 10, sound wave is concentrated mouth 12, air conduit 11 threes' junction is sealed, the mobile phone microphone mouth 15 of the terminal of air conduit 11 and thin film 19 is connected,
2) at the position of above-mentioned stickup, the very large aperture of the sound wave consumption of prior art is changed into: a sound chamber 7, this sound chamber 7 be rectangular, be applicable to and the docking of mobile phone sound mouth, make sound wave from mobile phone speaker successfully enter air conduit, make that sound is undistorted, power consumption consumes minimum simultaneously;
3) length of this air conduit 3 is 110mm.
Air conduit earphone as previously discussed,
It is characterized in that:
The air conduit of above-mentioned speak system and the above-mentioned air conduit of listening telephone system is two-tube is bonded together abreast, and then be coiled into spring shape by oval or circular, these 2 kinds of air conduits are all whippy air conduits, easy to usely can not be wound around, the position of above-mentioned stickup arranges sound chamber 16, makes sound wave smoothly by air conduit 11.
Air conduit earphone as previously discussed,
It is characterized in that: above-mentioned speak system also can be used separately.
Embodiment 6
Air conduit earphone as previously discussed,
It is characterized in that:
Above-mentioned air conduit earphone and the connection of mobile phone have designed plug-in type, with loud speaker and the microphone of the mode of pegging graft and mobile phone, connect.
Air conduit earphone as previously discussed,
It is characterized in that: at earplug place, sound chamber 16 is set, makes to deliver in ear and listen after the sound wave of overcompression loosens, make sound undistorted.
Air conduit earphone as previously discussed,
It is characterized in that: the adhesive sticker at the position of above-mentioned stickup loses after viscosity, use double faced adhesive tape to recover viscosity, air conduit is selected when very long, listens telephone system that amplifier is set.
It should be noted that above embodiment is just further described the utility model; be not used for limiting protection range of the present utility model; within not departing from the scope of spirit of the present utility model; those of ordinary skills; can do further change or improve to the utility model, within still belonging to the scope of the utility model protection.
Claims (4)
1. an air conduit earphone, comprising:
Two systems: one is to listen telephone system, another is speak system, the above-mentioned telephone system of listening comprises: earplug head and cover (1), sound cavity (2), air conduit (3), sound wave are concentrated mouthful (4), the internal diameter of air conduit (3) is 1-4mm, and the volume of sound cavity (2) is 600-3000mm
3the other end of described air conduit (3) is that a kind of thin film adhesive sticker is connected head (5), this thin film adhesive sticker is connected head (5) and is comprised of sticking tablet (5-1) and pipe joint (5-2), the body of described sticking tablet consists of thin film (6), this thin film (6) is provided with rectangle beformable body and is subject to speech chamber (7), the bottom surface of thin film (6) is attached with adhesive sticker adhered layer, described pipe joint (5-2) is arranged on the end face of thin film (6), this pipe joint (5-2) is communicated with by speech chamber (7) with described rectangle beformable body, described pipe joint (5-2) is made by flexible material
It is characterized in that:
1) above-mentioned speak system comprises: microphone (8), audio frequency amplifier (9), Microspeaker (10), air conduit (11), this audio frequency amplifier (9) is arranged between this microphone (8) and this Microspeaker (10), between this Microspeaker (10) and this air conduit (11), increase a sound wave and concentrated n (12), described Microspeaker (10), microphone (8) and audio frequency amplifier (9) are arranged in a shell (13), in shell (13), there is battery (14): this Selection of Battery rechargeable battery band charger, the pronunciation end periphery of this Microspeaker (10), sound wave is concentrated n (12), air conduit (11) three's junction is sealed, the mobile phone microphone mouth (15) of the terminal of air conduit (11) and thin film (19) is connected,
2) air conduit of above-mentioned speak system and the above-mentioned air conduit of telephone system of listening can two-tubely be bonded together abreast, and then be coiled into spring shape by oval or circular, these 2 kinds of air conduits are all whippy air conduits, and the position of above-mentioned stickup arranges sound chamber (16):
3) length of above-mentioned air conduit is: 110-1500mm.
2. air conduit earphone according to claim 1,
It is characterized in that: the connection of above-mentioned air conduit earphone and mobile phone has related to plug-in type, be provided with plug (17), (18), aperture one end that perforation is set in plug is connected with air conduit, and the other end is connected with loud speaker and the microphone of inserting mode and mobile phone.
3. according to air conduit earphone described in any in claim 1 or 2,
It is characterized in that: sound chamber is set in earplug.
4. air conduit earphone according to claim 3,
It is characterized in that: the bottom surface of thin film (19), (6) is attached with adhesive sticker adhered layer, after its bond properties disappears, use with the double faced adhesive tape of thin film (19), (6) same size and recover viscosity, described in listen telephone system that amplifier is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220083823.1U CN203563171U (en) | 2012-03-01 | 2012-03-01 | Air conduit earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220083823.1U CN203563171U (en) | 2012-03-01 | 2012-03-01 | Air conduit earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203563171U true CN203563171U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201220083823.1U Expired - Lifetime CN203563171U (en) | 2012-03-01 | 2012-03-01 | Air conduit earphone |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670740A (en) * | 2016-12-05 | 2017-05-17 | 广东欧珀移动通信有限公司 | Sound cavity structure and preparation method and application thereof |
| WO2018214894A1 (en) * | 2017-05-23 | 2018-11-29 | 诸爱道 | Safe earphone |
| CN109379654A (en) * | 2017-10-05 | 2019-02-22 | 诸爱道 | A kind of noise reduction air conduit microphone, noise reduction safety earphone and the safe bluetooth headset of noise reduction |
| WO2019184537A1 (en) * | 2018-03-29 | 2019-10-03 | 诸爱道 | Noise reduction radiation protection earpiece |
| WO2020168836A1 (en) * | 2019-02-18 | 2020-08-27 | 诸爱道 | Nuclear magnetic resonance communication device |
| WO2021036154A1 (en) * | 2019-08-28 | 2021-03-04 | 诸爱道 | Noise reduction conversation system |
-
2012
- 2012-03-01 CN CN201220083823.1U patent/CN203563171U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670740A (en) * | 2016-12-05 | 2017-05-17 | 广东欧珀移动通信有限公司 | Sound cavity structure and preparation method and application thereof |
| US11284180B2 (en) | 2017-05-23 | 2022-03-22 | Aidao Zhu | Safe earphone |
| WO2018214894A1 (en) * | 2017-05-23 | 2018-11-29 | 诸爱道 | Safe earphone |
| EP3634008A4 (en) * | 2017-05-23 | 2021-01-27 | Aidao Zhu | Safe earphone |
| CN109379654A (en) * | 2017-10-05 | 2019-02-22 | 诸爱道 | A kind of noise reduction air conduit microphone, noise reduction safety earphone and the safe bluetooth headset of noise reduction |
| WO2019068238A1 (en) * | 2017-10-05 | 2019-04-11 | 诸爱道 | Noise-reducing air conduit microphone, secure noise-reducing earphone and secure noise-reducing bluetooth earphone |
| CN109379654B (en) * | 2017-10-05 | 2020-08-04 | 诸爱道 | Noise-reduction air duct microphone, noise-reduction safety earphone and noise-reduction safety Bluetooth earphone |
| EP3706430A4 (en) * | 2017-10-05 | 2021-01-27 | Aidao Zhu | Noise-reducing air conduit microphone, secure noise-reducing earphone and secure noise-reducing bluetooth earphone |
| US11606635B2 (en) | 2017-10-05 | 2023-03-14 | Aidao Zhu | Noise reduction air tube microphone, noise-reduction safe headset and noise-reduction safe Bluetooth headset |
| WO2019184537A1 (en) * | 2018-03-29 | 2019-10-03 | 诸爱道 | Noise reduction radiation protection earpiece |
| WO2020168836A1 (en) * | 2019-02-18 | 2020-08-27 | 诸爱道 | Nuclear magnetic resonance communication device |
| US11936414B2 (en) | 2019-02-18 | 2024-03-19 | Aidao Zhu | MRI communication device |
| WO2021036154A1 (en) * | 2019-08-28 | 2021-03-04 | 诸爱道 | Noise reduction conversation system |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |