Patents Assigned to Azla Inc.
  • Patent number: 12160701
    Abstract: A dual structure thermoplastic elastomer (TPE) eartip having a wax guard, which is an eartip mounted on one side of an earphone and inserted into an external auditory meatus of a wearer to stably fix the position of the earphone including a core portion formed in a hollow cylindrical structure corresponding to an outer circumferential surface of one end of the earphone and configured with a TPE material having a first hardness value; a wax guard portion formed in a plate-type structure integrally formed with an upper end of the core portion and having a plurality of through-holes formed therein and configured with the same material having the same hardness value as the core portion; and a flange portion formed in a structure continuously forming a curved structure sideward and downward in a radial shape after extending a predetermined height upward from the upper end of the core portion.
    Type: Grant
    Filed: November 3, 2023
    Date of Patent: December 3, 2024
    Assignee: AZLA Inc.
    Inventor: Sang Won Lee
  • Publication number: 20240179450
    Abstract: A dual structure thermoplastic elastomer (TPE) eartip having a wax guard, which is an eartip mounted on one side of an earphone and inserted into an external auditory meatus of a wearer to stably fix the position of the earphone including a core portion formed in a hollow cylindrical structure corresponding to an outer circumferential surface of one end of the earphone and configured with a TPE material having a first hardness value; a wax guard portion formed in a plate-type structure integrally formed with an upper end of the core portion and having a plurality of through-holes formed therein and configured with the same material having the same hardness value as the core portion; and a flange portion formed in a structure continuously forming a curved structure sideward and downward in a radial shape after extending a predetermined height upward from the upper end of the core portion.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 30, 2024
    Applicant: AZLA Inc.
    Inventor: Sang Won LEE
  • Patent number: 11683629
    Abstract: Provided is an eartip which stably fixes a position of an earphone and includes a body part that has a hollow cylinder structure corresponding to an outer circumferential surface of the earphone, having a binding groove recessed to a predetermined depth in an annular structure along an inner circumferential surface of the body part, and being made of a first material, an upper end connection part that is formed in an integrated structure with an upper end of the body part, and a lower end formation part that is formed in an integrated structure from a lower end of the umbrella structure formation part, has a hollow cylinder structure extending downward to a predetermined height while surrounding the outer circumferential surface of the body part and spaced a predetermined distance from the outer circumferential surface of the body part.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: June 20, 2023
    Assignee: AZLA Inc.
    Inventor: Sang Won Lee
  • Patent number: 11368774
    Abstract: Disclosed is an ear tip including a comfortable wearing structure.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: June 21, 2022
    Assignee: AZLA Inc.
    Inventor: Sang Won Lee
  • Patent number: 11363368
    Abstract: Disclosed is an ear tip including a partition wall structure with an improved active noise canceling function.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: June 14, 2022
    Assignee: Azla Inc.
    Inventor: Sang Won Lee
  • Patent number: 11240582
    Abstract: Disclosed is an ear tip. An ear tip according to an exemplary embodiment of the present disclosure is mounted on one side of an earphone and configured to be inserted into a wearer's external auditory canal to stably fix a position of the earphone. According to the present disclosure, it is possible to provide the ear tip including a structure easily and physically removable from a mold without the aid of a separate chemical substance even though a material having high adhesiveness is applied in a manufacturing process.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: February 1, 2022
    Assignee: Azla Inc.
    Inventor: Sang Won Lee