# US 10,771,879 B2 · Headphone eartips with internal support components for outer eartip bodies > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,771,879 B2 - Document ID: US10771879B2 - Status: Granted - Kind: B2 - Application number: 16/780,881 - Filed: 2020-02-03 - Published: 2020-06-04 - Granted: 2020-09-08 - Earliest claimed: 2015-09-30 - Assignees: Apple Inc. - Applicants: Apple Inc. - Inventors: Ethan L. Huwe; Brad G. Boozer; Erik L. Wang; Phillip Qian - Web page: https://patentgrep.com/patent/US10771879B2 ## CPC - H04R 1/1016: {Earpieces of the intra-aural type} - H04R 1/1058: {Manufacture or assembly} - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) ## Abstract Headphone eartips with internal support components and methods for making the same are provided. Different support components may provide specific amounts and types of additional rigidity at specific portions of an exterior surface of an outer eartip body that may be expected to interface with specific portions of an ear canal geometry when an eartip subassembly is positioned within the ear canal, such that the eartip subassembly may conform to the various shapes of the ear canal while maintaining an acoustic seal. ## Claims ### Claim 1 An eartip, comprising: an inner eartip body defining an inner eartip space and having an inner eartip front end and an inner eartip back end opposite from the inner eartip front end, the inner eartip body comprising: an inner eartip exterior surface extending between the inner eartip front end and the inner eartip back end; and an inner eartip interior surface opposite from the inner eartip exterior surface and extending between the inner eartip front end and the inner eartip back end; an outer eartip body extending from the inner eartip front end at an interface and operative to be at least partially positioned within an ear canal; and an internal support subsystem comprising a coil spring within the inner eartip body between the inner eartip interior and exterior surfaces extending around the inner eartip space providing cross-sectional rigidity to the inner eartip body about a respective portion of the inner eartip space. ### Claim 2 (depends on 1) The eartip of claim 1, wherein the internal support subsystem comprises a plurality of internal support components spaced apart from one another. ### Claim 3 (depends on 2) The eartip of claim 2, wherein at least one of the plurality of internal support components is positioned on the inner eartip exterior surface or on the inner eartip interior surface, or within the inner eartip body. ### Claim 4 An eartip, comprising: an inner eartip body defining an inner eartip space and having an inner eartip front end and an inner eartip back end opposite from the inner eartip front end, the inner eartip body comprising: an inner eartip exterior surface extending between the inner eartip front end and the inner eartip back end; and an inner eartip interior surface opposite from the inner eartip exterior surface and extending between the inner eartip front end and the inner eartip back end; an outer eartip body extending from the inner eartip front end at an interface and operative to be at least partially positioned within an ear canal; and an internal support subsystem comprising one or more internal support components positioned at least partially in contact with, and around a circumference of, the inner eartip body for providing cross-sectional rigidity to the inner eartip body about a respective portion of the inner eartip space; wherein the internal support subsystem comprises a plurality of internal support components spaced apart from one another and wherein the plurality of internal support components are equally spaced apart from one another in a vertical dimension. ### Claim 5 (depends on 4) The eartip of claim 4, wherein the plurality of internal support components includes a first internal support component, a second internal support component, a third internal support component, and a fourth internal support component, and wherein a first spacing between the first internal support component and the second internal support component is different from a spacing between the third internal support component and the fourth internal support component. ### Claim 6 An eartip, comprising: an inner eartip body defining an inner eartip space and having an inner eartip front end and an inner eartip back end opposite from the inner eartip front end, the inner eartip body comprising: an inner eartip exterior surface extending between the inner eartip front end and the inner eartip back end; and an inner eartip interior surface opposite from the inner eartip exterior surface and extending between the inner eartip front end and the inner eartip back end; an outer eartip body extending from the inner eartip front end at an interface and operative to be at least partially positioned within an ear canal; and an internal support subsystem comprising one or more internal support components positioned at least partially in contact with, and around a circumference of, the inner eartip body for providing cross-sectional rigidity to the inner eartip body about a respective portion of the inner eartip space; wherein the internal support subsystem comprises a plurality of internal support components spaced apart from one another and wherein the plurality of internal support components includes a first internal support component and a second internal support component, the first internal support component being positioned on a different surface than the second internal support component. ### Claim 7 (depends on 6) The eartip of claim 6, wherein the internal support subsystem comprises an internal support component constructed as a spiral that extends at least partially between the inner eartip front end and the inner eartip back end. ### Claim 8 (depends on 7) The eartip of claim 7, wherein the internal support component is positioned on the inner eartip exterior surface or on the inner eartip interior surface, or within the inner eartip body. ### Claim 9 An eartip, comprising: an inner eartip body defining an inner eartip space and having an inner eartip front end and an inner eartip back end opposite from the inner eartip front end, the inner eartip body comprising: an inner eartip exterior surface extending between the inner eartip front end and the inner eartip back end; and an inner eartip interior surface opposite from the inner eartip exterior surface and extending between the inner eartip front end and the inner eartip back end; an outer eartip body extending from the inner eartip front end at an interface and operative to be at least partially positioned within an ear canal; and an internal support subsystem comprising one or more internal support components positioned at least partially in contact with, and around a circumference of, the inner eartip body for providing cross-sectional rigidity to the inner eartip body about a respective portion of the inner eartip space; wherein the internal support subsystem comprises a plurality of internal support components spaced apart from one another and wherein the plurality of internal support components includes a first internal support component and a second internal support component, the first internal support component is constructed as a ring and the second internal support component is constructed as a spring. ### Claim 10 An eartip, comprising: an inner eartip body defining an inner eartip space and having an inner eartip front end and an inner eartip back end opposite from the inner eartip front end, the inner eartip body comprising: an inner eartip exterior surface extending between the inner eartip front end and the inner eartip back end; and an inner eartip interior surface opposite from the inner eartip exterior surface and extending between the inner eartip front end and the inner eartip back end; an outer eartip body extending from the inner eartip front end at an interface and operative to be at least partially positioned within an ear canal; and an internal support subsystem comprising one or more internal support components positioned at least partially in contact with, and around a circumference of, the inner eartip body for providing cross-sectional rigidity to the inner eartip body about a respective portion of the inner eartip space; wherein the internal support subsystem comprises a plurality of internal support components spaced apart from one another and wherein each internal support component is shaped as a ring and is positioned along a plane. ### Claim 11 (depends on 10) The eartip of claim 10, wherein the internal support subsystem includes a first internal support component lying in a first plane and a second internal support component lying in a second plane. ### Claim 12 (depends on 11) The eartip of claim 11, wherein the first plane and the second plane are parallel to one another when the eartip is an in uncompressed state, but intersecting one another when the eartip is in a compressed state. ### Claim 13 A device, comprising: a housing subassembly including a housing opening; sound emitting component housed within the housing subassembly and configured to emit sound through the housing opening; and an eartip coupled to the housing subassembly for receiving the from the sound emitting component, the eartip comprising: an inner eartip body defining an inner eartip space and having an inner eartip front end and an inner eartip back end opposite from the inner eartip front end, the inner eartip body comprising: an inner eartip exterior surface extending between the inner eartip front end and the inner eartip back end; and an inner eartip interior surface opposite from the inner eartip exterior surface and extending between the inner eartip front end and the inner eartip back end; an outer eartip body extending from the inner eartip front end at an interface and operative to be at least partially positioned within an ear canal; and an internal support subsystem comprising a coil spring within the inner eartip body between the inner eartip interior and exterior surfaces extending around the inner eartip space providing cross-sectional rigidity to the inner eartip body about a respective portion of the inner eartip space. ### Claim 14 (depends on 13) The device of claim 13, wherein the internal support subsystem comprises an internal support component constructed as a spiral that extends at least partially between the inner eartip front end and the inner eartip back end. ### Claim 15 (depends on 14) The device of claim 14, wherein the internal support component is positioned on the inner eartip exterior surface or on the inner eartip interior surface, or within the inner eartip body. ### Claim 16 (depends on 13) The device of claim 13, wherein the internal support subsystem comprises a plurality of internal support components spaced apart from one another. ### Claim 17 A device, comprising: a housing subassembly including a housing opening; sound emitting component housed within the housing subassembly and configured to emit sound through the housing opening; and an eartip coupled to the housing subassembly for receiving the from the sound emitting component, the eartip comprising: an inner eartip body defining an inner eartip space and having an inner eartip front end and an inner eartip back end opposite from the inner eartip front end, the inner eartip body comprising: an inner eartip exterior surface extending between the inner eartip front end and the inner eartip back end; and an inner eartip interior surface opposite from the inner eartip exterior surface and extending between the inner eartip front end and the inner eartip back end; an outer eartip body extending from the inner eartip front end at an interface and operative to be at least partially positioned within an ear canal; and an internal support subsystem comprising one or more internal support components positioned at least partially in contact with, and around a circumference of, the inner eartip body for providing cross-sectional rigidity to the inner eartip body about a respective portion of the inner eartip space; wherein the internal support subsystem comprises a plurality of internal support components spaced apart from one another and wherein the plurality of internal support components are equally spaced apart from one another in a vertical dimension. ### Claim 18 (depends on 17) The device of claim 17, wherein the plurality of internal support components includes a first internal support component, a second internal support component, a third internal support component, and a fourth internal support component, and wherein a first spacing between the first internal support component and the second internal support component is different from a spacing between the third internal support component and the fourth internal support component. ### Claim 19 (depends on 18) The device of claim 18, wherein at least one of the plurality of internal support components is positioned on the inner eartip exterior surface or on the inner eartip interior surface, or within the inner eartip body. ### Claim 20 (depends on 19) The device of claim 19, wherein the plurality of internal support components includes a first internal support component and a second internal support component, the first internal support component being positioned on a different surface than the second internal support component.