WO2023208052A1 - Pièce élastique, dispositif sonore à conduction osseuse et lunettes à conduction osseuse - Google Patents

Pièce élastique, dispositif sonore à conduction osseuse et lunettes à conduction osseuse Download PDF

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Publication number
WO2023208052A1
WO2023208052A1 PCT/CN2023/090903 CN2023090903W WO2023208052A1 WO 2023208052 A1 WO2023208052 A1 WO 2023208052A1 CN 2023090903 W CN2023090903 W CN 2023090903W WO 2023208052 A1 WO2023208052 A1 WO 2023208052A1
Authority
WO
WIPO (PCT)
Prior art keywords
elastic
connecting plate
bone conduction
elastic piece
outer bracket
Prior art date
Application number
PCT/CN2023/090903
Other languages
English (en)
Chinese (zh)
Inventor
刘莹
陶志勇
Original Assignee
苏州索迩电子技术有限公司
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Filing date
Publication date
Application filed by 苏州索迩电子技术有限公司 filed Critical 苏州索迩电子技术有限公司
Publication of WO2023208052A1 publication Critical patent/WO2023208052A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C11/00—Non-optical adjuncts; Attachment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to the technical field of bone conduction sound generation, and in particular to a shrapnel and a bone conduction vibration sound generation device.
  • wearable devices such as bone conduction headphones and bone conduction glasses usually use bone conduction vibration and sound devices to vibrate and sound.
  • the vibrators of bone conduction vibration and sound devices usually vibrate under the action of a magnetic field and are reset by elastic fragments.
  • the elastic fragments usually include a center plate, There are an outer bracket surrounding the periphery of the center plate and a number of arc-shaped elastic arms connected at both ends between the center plate and the outer bracket respectively.
  • the vibrator is connected to the center plate and resets through the elastic force of the elastic arms.
  • the vibrator, elastic pieces and other parts are also in the shape of strips. It is difficult to process using the traditional elastic piece structure.
  • the size of the center plate and elastic arms is difficult to guarantee, and due to the size of the vibrator.
  • the vibrator of a bone conduction vibrating sound-generating device with a large length-to-width ratio and a traditional shrapnel structure tends to swing left and right when vibrating, causing rolling vibration, causing noise, distortion and other undesirable phenomena, which is not conducive to the normal operation of the bone conduction vibrating sound-producing device.
  • the object of the present invention is to provide a spring piece, a bone conduction vibration sounding device and bone conduction glasses.
  • the vibrator is less likely to roll.
  • the invention proposes a spring piece, including:
  • a connecting plate located within the outer bracket;
  • the elastic arms include a body, a first connecting portion connected to the connecting plate and a second connecting plate.
  • a connecting part and a third connecting part connected to the outer bracket, the third connecting part is located at the first connecting part and the second connection part.
  • first connection part and the second connection part are connected to both ends of the body, and the third connection part is connected to the middle part of the body.
  • the connecting plate and the two elastic arms as a whole have a first center line and a second center line that are perpendicular to each other, and the connecting plate and the two elastic arms as a whole are centered on the first center line.
  • the center line is axially symmetrical with the second center line.
  • the outer bracket includes two rods located on both sides of the connecting plate, and the third connecting portion is connected between the body and the rod.
  • the rod body, the connecting plate and the main body are all in strip shape.
  • outer bracket is annular and surrounds the outer periphery of the connecting plate.
  • the length of the third connecting part is greater than the sum of the lengths of the first connecting part and the second connecting part.
  • the elastic piece also includes a plurality of elastic connecting arms connected to the outer bracket.
  • the elastic connecting arm includes an arm portion connected to the outer bracket and a connecting foot connected to the arm portion.
  • the width of the connecting foot is greater than or equal to the width of the arm portion.
  • the elastic piece also includes a ring frame and a plurality of elastic connecting arms connected to the ring frame.
  • the outer bracket is connected to the ring frame and the two are stacked up and down.
  • the present invention proposes a bone conduction vibration sound-generating device, including the elastic piece as described in any one of the above items.
  • the present invention proposes bone conduction glasses, including:
  • a second housing is connected to the first housing, and a receiving cavity is formed between the first housing and the second housing;
  • a bone conduction vibration and sound-generating device is located in the receiving cavity.
  • the bone conduction vibration and sound-generating device includes an outer frame connected to the first shell, a vibrator and a shrapnel provided in the outer frame;
  • the outer bracket of the elastic piece is connected to the outer frame
  • the vibrator is connected to the connecting plate of the elastic piece
  • the elastic connecting arm of the elastic piece is connected to the second housing.
  • the present invention has the following beneficial effects:
  • elastic arms are provided on both sides of the connecting plate of the elastic piece, and the elastic arms have a function for connecting with the connecting plate.
  • the connected first connecting part and the second connecting part and the third connecting part used to connect with the outer bracket.
  • the third connecting part is located between the first connecting part and the second connecting part, making the structure of the elastic arm more stable.
  • the connecting plate has better directionality when vibrating and is less likely to sway, thereby reducing the risk of rolling vibration of the vibrator connected to the connecting plate.
  • the bone conduction vibration sound-generating device with the elastic piece has better working reliability.
  • the elastic piece also includes a number of elastic connecting arms connected to the outer bracket.
  • the elastic piece can be connected to the external fixation through the elastic connecting arms. In this way, the bone conduction vibration sounding device with the elastic piece can dampen vibration when vibrating. function to reduce vibration transmitted to external fixtures, thereby reducing sound leakage.
  • Figure 1 is a schematic structural diagram of the spring piece in Embodiment 1.
  • Figure 2 is a top view of the elastic piece in Embodiment 1.
  • Figure 3 is a schematic structural diagram of the elastic piece in Embodiment 2.
  • Figure 4 is a top view of the elastic piece in Embodiment 2.
  • Figure 5 is a schematic structural diagram of the elastic piece in Embodiment 3.
  • Figure 6 is a top view of the elastic piece in Embodiment 3.
  • FIG. 7 is an enlarged view of part I in FIG. 5 .
  • Figure 8 is a schematic structural diagram of the spring piece in Embodiment 4.
  • Figure 9 is an exploded view of the shrapnel in Embodiment 4.
  • Figure 10 is a top view of the elastic piece in Embodiment 4.
  • Figure 11 is a schematic structural diagram of the bone conduction vibration sound-generating device in Embodiment 5.
  • Fig. 12 is a cross-sectional view of the bone conduction vibration sound-generating device in Embodiment 5.
  • FIG. 13 is a schematic structural diagram of the bone conduction vibration sound-generating device in Embodiment 5 from another perspective.
  • Figure 14 is a schematic structural diagram of the bone conduction vibration sound-generating device in Embodiment 6.
  • Figure 15 is a schematic structural diagram of the bone conduction vibration sound-generating device in Embodiment 7.
  • Figure 16 is a schematic structural diagram of part of the temples of the bone conduction glasses in Embodiment 8.
  • Figure 17 is a cross-sectional view of part of the temples of the bone conduction glasses in Embodiment 8.
  • Figure 18 is a schematic structural diagram of the bone conduction vibration sound-generating device in Embodiment 8 when it is connected to the second shell.
  • an embodiment means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art understand, both explicitly and implicitly, that the embodiments described herein may be combined with other embodiments.
  • the elastic piece corresponding to a preferred embodiment of the present invention includes an outer bracket 1, a connecting plate 2 arranged in the outer bracket 1, and a connecting plate 2 connected between the outer bracket 1 and the connecting plate 2.
  • the elastic piece when the elastic piece is in use, its outer bracket 1 is fixed, and the connecting plate 2 is connected to the vibrator.
  • the connecting plate 2 When the vibrator vibrates, the connecting plate 2 reciprocates with the vibrator, and the elastic arm 3 elastically deforms to provide reset. force.
  • the outer bracket 1 includes two rod bodies 10 respectively located on both sides of the connecting plate 2.
  • Two elastic arms 3 are also located on both sides of the connecting plate 2, and the two elastic arms 3 are located between the rod body 10 and the connecting plate 2. between.
  • the elastic arm 3 includes a body 30 and a first connecting part 31 , a second connecting part 32 and a third connecting part 33 that are all connected to the body 30 (refer to FIG. 2 , in which the dividing lines of each part are shown with dotted lines).
  • the first connecting portion 31 and the second connecting portion 32 both protrude toward the direction of the connecting plate 2 and are connected to the connecting plate 2 .
  • the third connecting portion 33 extends toward the direction of the rod body 10 and is connected to the rod body 10 .
  • the third connecting part 33 is located between the first connecting part 31 and the second connecting part 32 .
  • the structure of the elastic arm 3 can be made more stable, and it will not be easy to vibrate when the vibrator vibrates. Swinging occurs. At the same time, the space between the connecting plate 2 and the outer bracket 1 can be more fully utilized.
  • the elastic arm 3 has a longer length and a guaranteed width. The processing of the elastic pieces is more convenient, and the work reliability is higher.
  • the first connecting part 31 and the second connecting part 32 are connected to the two ends of the body 30 respectively.
  • the body 30 does not have any extra protruding parts, the structure is more compact, and the elastic arm 3 is longer in length and makes full use of the separation space.
  • the rod body 10, the main body 2 and the elastic arm 3 are all strip-shaped and arranged side by side, and the three are parallel to each other.
  • the length D1 of the third connecting part 33 is greater than the sum of the length D2 of the first connecting part 31 and the length D3 of the second connecting part 32.
  • the length direction of the elastic piece refers to the length along the first center. The direction of the line 40, the length direction of the first connection part 31, the second connection part 32 and the third connection part 33 are consistent with the length direction of the elastic piece.
  • the length D2 of the first connecting part 31 is equal to the length D3 of the second connecting part 32
  • the length D1 of the third connecting part 33 is greater than four times the length D2 of the first connecting part 31 . In this way, the connection between the third connecting part 33 and the rod body 10 is stronger, and the stability of the spring arm 3 is better.
  • the whole body formed by the connecting plate 2 and the two elastic arms 3 has a first center line 4 and a second center line 40 that are perpendicular to each other, and the whole body formed by the connecting plate 2 and the two elastic arms 3 is
  • the first center line 4 and the second center line 40 are axially symmetrical.
  • the width of the whole formed by the connecting plate 2 and the two elastic arms 3 is wider and strictly symmetrical with the first center line 4 and the second center line 40, ensuring that Rigidity and stability during vibration, the entire shrapnel can move parallel along the Z-axis direction (thickness direction) when vibrating, further suppressing the left and right swing (rolling vibration) of the shrapnel in the 40 direction of the center line, ensuring the vibration stability of the vibrator unit , reducing distortion.
  • the elastic piece is also axially symmetrical about the first centerline 4 and the second centerline 40 .
  • the elastic piece is made of stainless steel.
  • Embodiment 2 is annular and surrounds the outer periphery of the connecting plate 2 .
  • the outer bracket 1 also includes two rods 10 arranged side by side. It can be understood that in Embodiment 1, a cross bar 11 is connected to both ends of the two rods 10 to form a ring.
  • the outer bracket 1 since the outer bracket 1 is annular, its strength and stiffness are better than those of the outer bracket 1 in Embodiment 1, and bending deformation is less likely to occur.
  • Embodiment 3 is a modification based on Embodiment 2.
  • the elastic piece in Embodiment 3 further includes a plurality of elastic connecting arms 5 connected to the outer bracket 1 .
  • the outer bracket 1 of the elastic piece is connected to the outer frame of the bone conduction vibration sound-generating device, and the elastic connecting arm 5 extends to the outside of the outer frame for fixing to an external fixture (such as a shell).
  • an external fixture such as a shell
  • At least two elastic connecting arms 5 are connected to both ends of the outer bracket 1.
  • two cross bars 11 of the outer bracket 1 are provided with There are two elastic connecting arms 5 extending outward. After the elastic connecting arm 5 is provided, the entire elastic piece is still axially symmetrical about the first center line 4 and the second center line 40, so that the overall force during vibration is more balanced.
  • the elastic connecting arm 5 includes a strip-shaped arm part 50 and a connecting foot 51 connected to the arm part 50.
  • the arm part 50 is mainly used to provide elastic restoring force
  • the connecting foot 51 is mainly used to connect with the outside. Fixture connection.
  • the width B1 of the connecting foot 51 is greater than or equal to the width B2 of the arm 50 . It can be in a straight line with the arm 50 , or can be set at an angle to the arm 50 , such as a right angle, an obtuse angle or an acute angle.
  • the width B1 of the connecting foot 51 is larger than the width of the arm 50 and is arranged at right angles to the arm 50 so that the contact area between the connecting foot 51 and the external fixture is larger and the connection is stronger.
  • the width B1 of the connecting leg 51 is twice the width B2 of the arm 50 .
  • a through hole 52 is provided on the connecting foot 51 to facilitate positioning with an external fixture.
  • Embodiment 4 is a modification based on Embodiment 2.
  • the elastic piece in Embodiment 4 also includes an annular frame 6 and several elastic connecting arms connected to the annular frame 6. 5.
  • the outer bracket 1 is connected to the annular frame 6 and the two are stacked up and down.
  • the annular frame 6 is annular, and its central hole 60 is arranged corresponding to the elastic arm 3 and the connecting plate 2 of the elastic piece, so as to avoid the connecting plate 2 and the elastic arm 3 during their movement.
  • the cross-sectional shape and size of the annular frame 6 are the same as those of the outer frame 1, and the two completely overlap when viewed from above or below.
  • the number of elastic connecting arms 5 is also four, and two elastic connecting arms 5 are respectively connected to the two short sides of the annular frame 6 . In other embodiments, the number of elastic connecting arms 5 can be increased or decreased as appropriate.
  • the entire elastic piece is axially symmetrical about the first center line 4 and the second center line 40, so that the overall force during vibration is more balanced.
  • Embodiment 5 discloses a bone conduction vibration sound device, which includes an outer frame 82, a vibrator 83, a coil 85, a magnet 86 and the elastic piece 84 described in Embodiment 2.
  • the outer frame 82 includes a base plate 820 and a surrounding plate 821 connected to the outer edge of the base plate 820 .
  • the vibrator 83 , the coil 85 and the magnet 86 are all located in the space formed between the base plate 820 and the surrounding plate 821 .
  • the coil 85 and the magnet 86 are both connected to the substrate 820 , and the coil 85 surrounds the outer periphery of the magnet 86 .
  • the elastic piece 84 is connected to the open end of the outer frame 82 , the outer bracket 1 is connected to the end surface of the outer frame 82 , and the connecting plate 2 is connected to the vibrator 83 .
  • the vibrator 83 is made of magnetic material, and is arranged opposite to the magnet 86 with the same pole, and there is a repulsive force between the two.
  • the outer frame 82 is made of magnetically conductive material, and has an attraction force between it and the vibrator 83.
  • the repulsive force between the vibrator 83 and the magnet 86 and the attraction force between the vibrator 83 and the outer frame 82 are equal in magnitude and opposite in direction.
  • the two cancel each other out, so that the vibrator 83 is in a static equilibrium state.
  • the coil 85 is energized to generate a magnetic field that drives the vibrator 83 to vibrate. When the vibrator 83 is in a static equilibrium state, the vibrator 83 responds more quickly to changes in the magnetic field and has higher sensitivity.
  • the vibrator 83 is more stable during the vibration process and is less likely to cause rolling vibration.
  • Embodiment 6 is a change based on Embodiment 5.
  • the difference between Embodiment 6 and Embodiment 5 is that the elastic piece 84 of the bone conduction vibration sound generating device in Embodiment 6 is the same as that in Embodiment 3.
  • Embodiment 7 is a change based on Embodiment 5.
  • the difference between Embodiment 7 and Embodiment 5 is that the elastic piece 84 of the bone conduction vibration sound generating device in Embodiment 7 is the same as that in Embodiment 4.
  • Embodiment 8 discloses a kind of bone conduction glasses, as shown in Figures 16 to 18, which show part of the structure of the temples of the bone conduction glasses.
  • the bone conduction glasses include a first shell 9 and a second shell 90 and bone conduction vibration sound device 8.
  • the first housing 9 and the second housing 90 are connected, and a receiving cavity 91 is formed between them.
  • the bone conduction vibration sound-generating device 8 is disposed in the receiving cavity 91 .
  • the bone conduction vibration sound generating device 8 is the bone conduction vibration sound generating device described in Embodiment 6 or Embodiment 7. It can be understood that in other embodiments, the bone conduction vibration and sound-generating device 8 can also be the bone conduction vibration and sound-generating device described in Embodiment 5, and the elastic piece thereof does not have the elastic connecting arm 5 .
  • the outer frame 82 of the bone conduction vibration sound-generating device 8 is connected to the first housing 9
  • the elastic piece 84 is connected to the second housing 90 through its elastic connecting arm 5 .
  • the second housing 90 is provided with two bosses 92 protruding toward the first housing 9.
  • the two elastic connecting arms 5 at both ends of the elastic piece 84 are connected to the bosses 92 through their connecting feet 51.
  • the connection method can be, for example, Is it gluing or welding, etc.
  • the elastic connecting arm 5 can play a role in reducing vibration and reduce the vibration of the bone conduction vibration sound-generating device 8. Vibration transmitted to the second housing 90 .
  • the first housing 9 includes a silicone pad 93.
  • One end of the silicone pad 93 is exposed to the outside world for contact with the human facial skin, and the other end is exposed in the receiving cavity 91.
  • the outer frame 82 is connected with the silicone pad 93.
  • Pad 93 is connected. Since the silicone pad 93 is relatively soft, it can play a cushioning role and further reduce the vibration of the bone conduction vibration sound-generating device 8 from being transmitted to the first housing 9 . In this way, the vibration transmission between the bone conduction vibration sounding device 8 and the first housing 9 and the second housing 90 can be reduced, thereby reducing sound leakage caused by the vibration of the housing. At the same time, the bone conduction vibration sounding device 8 drives the housing The energy of vibration is reduced, which is beneficial to reducing energy consumption.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

La présente invention concerne une pièce élastique, un dispositif sonore à conduction osseuse et des lunettes à conduction osseuse. La pièce élastique comprend un support extérieur, une plaque de connexion et des bras élastiques. La plaque de connexion est située dans le support extérieur ; les deux bras élastiques et la plaque de connexion sont disposés côte à côte, et les deux bras élastiques sont respectivement situés sur les deux côtés de la plaque de connexion ; chaque bras élastique comprend un corps, une première partie de connexion et une deuxième partie de connexion qui sont reliées à la plaque de connexion, et une troisième partie de connexion reliée au support extérieur ; et la troisième partie de connexion est située entre la première partie de connexion et la deuxième partie de connexion. Dans la présente invention, la structure des bras élastiques est plus stable, et la plaque de connexion a une meilleure directivité et n'est pas sujette à se balancer pendant la vibration, de sorte que le risque de vibration de roulement d'un vibrateur connecté à la plaque de connexion est réduit, et que la fiabilité de fonctionnement du dispositif de production sonore par vibration à conduction osseuse pourvu de la pièce élastique est meilleure.
PCT/CN2023/090903 2022-04-29 2023-04-26 Pièce élastique, dispositif sonore à conduction osseuse et lunettes à conduction osseuse WO2023208052A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210494000.6 2022-04-29
CN202210494000.6A CN114979882A (zh) 2022-04-29 2022-04-29 一种弹片、骨传导振动发声装置及骨传导眼镜

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WO2023208052A1 true WO2023208052A1 (fr) 2023-11-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114979882A (zh) * 2022-04-29 2022-08-30 苏州索迩电子技术有限公司 一种弹片、骨传导振动发声装置及骨传导眼镜

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US20140185837A1 (en) * 2012-12-28 2014-07-03 Panasonic Corporation Bone conduction speaker and bone conduction headphone device
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CN113556641A (zh) * 2021-02-07 2021-10-26 深圳朗凡创新科技有限公司 一种骨传导发声装置
CN114205719A (zh) * 2021-12-01 2022-03-18 杭州声联智能科技有限公司 具有双导弹臂结构的弹片、骨传导振子及其装配方法
CN216357216U (zh) * 2021-10-13 2022-04-19 苏州索迩电子技术有限公司 一种弹片及骨传导发声装置
CN114979882A (zh) * 2022-04-29 2022-08-30 苏州索迩电子技术有限公司 一种弹片、骨传导振动发声装置及骨传导眼镜
CN217656730U (zh) * 2022-04-29 2022-10-25 苏州索迩电子技术有限公司 一种弹片、骨传导振动发声装置及骨传导眼镜

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009069219A (ja) * 2007-09-10 2009-04-02 Vision Megane:Kk 骨伝導スピーカ付き先セル及び眼鏡フレーム
US20140185837A1 (en) * 2012-12-28 2014-07-03 Panasonic Corporation Bone conduction speaker and bone conduction headphone device
CN205123989U (zh) * 2015-11-19 2016-03-30 歌尔声学股份有限公司 骨传导扬声器
CN113556641A (zh) * 2021-02-07 2021-10-26 深圳朗凡创新科技有限公司 一种骨传导发声装置
CN216357216U (zh) * 2021-10-13 2022-04-19 苏州索迩电子技术有限公司 一种弹片及骨传导发声装置
CN114205719A (zh) * 2021-12-01 2022-03-18 杭州声联智能科技有限公司 具有双导弹臂结构的弹片、骨传导振子及其装配方法
CN114979882A (zh) * 2022-04-29 2022-08-30 苏州索迩电子技术有限公司 一种弹片、骨传导振动发声装置及骨传导眼镜
CN217656730U (zh) * 2022-04-29 2022-10-25 苏州索迩电子技术有限公司 一种弹片、骨传导振动发声装置及骨传导眼镜

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