Search

KR-20260067938-A - EAR-WEARABLE ELECTRONIC DEVICE COMPRISING REAR DUCT

KR20260067938AKR 20260067938 AKR20260067938 AKR 20260067938AKR-20260067938-A

Abstract

According to one embodiment, an ear-wearable electronic device may include a housing defining the exterior of the ear-wearable electronic device, a first microphone disposed within the housing so as to be exposed to the outside when the ear-wearable electronic device is worn, a second microphone disposed within the housing so as to be directed toward the inside of the user's ear when the ear-wearable electronic device is worn, and a speaker. The housing may include a first internal space located in front of the speaker within the housing to function as an acoustic duct. The housing may include a second internal space located behind the speaker to function as a resonance space for an acoustic signal output from the speaker. The housing may include a rear duct extending from the second internal space to an external space of the ear-wearable electronic device. The housing may include a sound-absorbing member disposed within the rear duct.

Inventors

  • 황호철
  • 강장훈
  • 김동현
  • 김영준
  • 이훈기

Assignees

  • 삼성전자주식회사

Dates

Publication Date
20260513
Application Date
20241204
Priority Date
20241106

Claims (20)

  1. In an ear-wearable electronic device (100), A housing (110) defining the exterior of the above-mentioned ear-wearing electronic device; A first microphone (104) disposed within the housing (110) so as to be exposed to the outside when the above ear-wearing electronic device (100) is worn; When the above ear-worn electronic device (100) is worn, a second microphone (102) disposed within the housing (110) so as to face the inside of the user's ear; and Includes speaker (120). The above housing (110) is, A first internal space (112) located in front of the speaker (120) within the housing (110) to function as an acoustic duct (111), A second internal space (114) located behind the speaker (120) to function as a resonance space for an acoustic signal output from the speaker (120), A rear duct (115) extending from the second internal space (114) to the external space of the ear-wearing electronic device (100), and A sound absorbing member (210) disposed within the rear duct (115), Ear-worn electronic device (100).
  2. In claim 1, the sound-absorbing member (210) is, A first layer (311) comprising a sound-absorbing material; A second layer (312) comprising an adhesive member on the first layer above; and A third layer (313) including an adhesive member, below the first layer, Ear-worn electronic device (100).
  3. In claim 1, the sound-absorbing member (210) is, A mesh enclosure (322) and a sound-absorbing material (321) enclosed by the mesh enclosure, Ear-worn electronic device (100).
  4. In claim 1, the sound-absorbing member (210) is, Comprising at least one of glass wool or stone wool, Ear-worn electronic device (100).
  5. In claim 1, the housing (110) is, A recess (501) formed within a part of the above housing (110); It includes a hole facing the above recess (501) and a panel covering the above part of the housing (110). The above rear duct (115) is, A portion of the rear duct (115) defined by the recess (501) and the hole, Ear-worn electronic device (100).
  6. In claim 5, the housing (110) is, It includes an adhesive tape disposed between the part of the housing (110) and the panel, and attaching the panel to the part of the housing (110). The above adhesive tape is, A housing (110) comprising another recess (501) corresponding to the recess (501) of the housing (110). Ear-worn electronic device (100).
  7. In claim 6, the housing (110) is, An acoustic mesh disposed on the other side of the panel opposite to the side of the panel facing the part of the housing (110) to cover the hole of the panel; A cover that includes a hole facing the acoustic mesh and defines a part of the exterior of the housing (110); A port comprising a protrusion disposed between the acoustic mesh and the hole of the cover and inserted into the hole of the cover. Ear-worn electronic device (100).
  8. In claim 7, the rear duct (115) is, A rear duct (115) comprising the acoustic mesh, the port, and other parts defined by the hole in the cover. Ear-worn electronic device (100).
  9. In claim 5, the first microphone (104) is, A portion of the rear duct (115) is defined and is positioned adjacent to the recess (501) formed within the portion of the housing (110). Ear-worn electronic device (100).
  10. In claim 1, the second microphone (102) is, A structure positioned toward the acoustic duct (111) within the first internal space (112), Ear-worn electronic device (100).
  11. In claim 10, the first microphone (104) is, It is configured to acquire the above-mentioned external first acoustic signal, and The above second microphone (102) is, A second acoustic signal that is introduced into the first internal space (112) through the acoustic duct (111) is configured to be acquired. Ear-worn electronic device (100).
  12. In claim 11, the ear-worn electronic device (100) is, Includes a processor, The above processor is, A method configured to control the sound signal output through the speaker (120) based on the first sound signal obtained through the first microphone (104) and the second sound signal obtained through the second microphone (102). Ear-worn electronic device (100).
  13. In claim 1, the sound-absorbing member (210) is, Occupying a portion of the rear duct (115) to reduce leakage of acoustic signals, Ear-worn electronic device (100).
  14. In claim 1, the housing (110) is, A vent hole further comprising connecting the first internal space (112) and the second internal space (114), Ear-worn electronic device (100).
  15. In claim 14, the vent hole is, A device arranged for pressure equilibrium between the first internal space (112) and the second internal space (114). Ear-worn electronic device (100).
  16. In claim 1, the rear duct (115) is, Among the acoustic signals output through the speaker (120), formed to reduce the magnitude of the acoustic signal having a band exceeding the reference frequency, which is emitted to the outside through the rear duct (115). Ear-worn electronic device (100).
  17. In claim 1, the ear-worn electronic device (100) is, A further comprising an ear tip coupled to the acoustic duct (111), Ear-worn electronic device (100).
  18. In claim 1, the speaker (120) is, A full-range speaker for outputting a full-range acoustic signal; and including a tweeter speaker for outputting high-frequency acoustic signals, Ear-worn electronic device (100).
  19. In claim 18, the full-band speaker is, The acoustic duct (111) is spaced apart from the first distance, The above tweeter speaker is, The above acoustic duct (111) and a second distance shorter than the first distance, Ear-worn electronic device (100).
  20. In claim 1, the speaker (120) is, Includes a diaphragm (125), The first internal space (112) and the second internal space (114) are, Distinguished by the above diaphragm (125), Ear-worn electronic device (100).

Description

Ear-wearable electronic device comprising rear duct The following descriptions relate to an ear-worn electronic device including a rear duct. Personal audio devices, such as earphones and earbuds, are inserted into or around the user's ears to provide various audio content, including music, audiobooks, and calls. While audio devices initially connected to a host device via wires, they are transitioning to wireless communication, particularly Bluetooth. Furthermore, various features such as noise canceling and ambient sound modes are being added to enhance the user experience. The information described above may be provided as related art for the purpose of aiding understanding of the present disclosure. No claim or determination is made as to whether any of the foregoing may be applied as prior art related to the present disclosure. FIG. 1 is a drawing showing an ear-worn electronic device according to one embodiment. FIG. 2a is a drawing showing an ear-worn electronic device according to one embodiment. FIG. 2b is a drawing showing an ear-worn electronic device according to one embodiment. FIG. 3a illustrates the structure of a sound-absorbing member according to one embodiment. FIG. 3b illustrates the structure of a sound-absorbing member according to one embodiment. FIG. 3c illustrates the structure of a sound-absorbing member and a rear duct according to one embodiment. FIG. 4a shows a change in sound pressure level according to a sound-absorbing member according to one embodiment. FIG. 4b shows a change in frequency response according to a sound-absorbing member according to one embodiment. FIG. 5 shows an exploded perspective view relating to a part of a housing including a rear duct according to one embodiment. FIG. 6a illustrates an example of a rear duct disposed within the housing of an ear-worn electronic device according to one embodiment. FIG. 6b illustrates a specific example of a rear duct according to one embodiment. FIG. 7a illustrates an example of a rear duct disposed within the housing of an ear-worn electronic device according to one embodiment. FIG. 7b illustrates a specific example of a rear duct according to one embodiment. FIG. 8a shows the change in sound pressure level according to the length of the rear duct and the sound-absorbing member according to one embodiment. FIG. 8b shows the change in frequency response according to the length of the rear duct and the sound-absorbing member according to one embodiment. FIG. 9 is a block diagram of an exemplary electronic device according to one embodiment. Hereinafter, embodiments of the present disclosure are described in detail with reference to the drawings so that those skilled in the art can easily practice them. However, the present disclosure may be embodied in various different forms and is not limited to the embodiments described herein. In relation to the description of the drawings, the same or similar reference numerals may be used for identical or similar components. Furthermore, in the drawings and related descriptions, descriptions of well-known functions and configurations may be omitted for clarity and brevity. FIG. 1 is a drawing showing an ear-worn electronic device according to one embodiment. Referring to FIG. 1, an ear-worn electronic device (100) can be worn on a user's ear to provide sound. For example, the ear-worn electronic device (100) may be referred to as a wearable device. The ear-worn electronic device (100) may be configured to provide sound signals to a user based on emitting sound signals through a speaker (120). For example, the ear-worn electronic device (100) may output (or emit) an acoustic signal corresponding to said signal through a speaker (120) based on receiving a signal from another electronic device outside the ear-worn electronic device (100). For example, the ear-worn electronic device (100) may be connected to another electronic device outside the ear-worn electronic device (100) via a wireless communication method (e.g., Bluetooth), but is not limited thereto. For example, the ear-worn electronic device (100) may be referred to as an earpiece, earbuds, earphone, headphone, or personal audio device. For example, the ear-worn electronic device (100) may acquire a first acoustic signal from outside the ear-worn electronic device (100) through a microphone (e.g., microphone (102) or microphone (104)). Based on acquiring the first acoustic signal from outside, the ear-worn electronic device (100) may output (or emit) an acoustic signal through a speaker (120). For example, the microphone (e.g., microphone (102) or microphone (104)) may be used to acquire information about the external environment, but is not limited thereto. An electronic device (100) according to one embodiment may include a housing (110), a speaker (120), a microphone (102), a microphone (104), and an ear tip (190). According to one embodiment, the housing (110) may form the exterior of the electronic device (100). The hou