# US 2021/0243541 A1 · Cover Plate for an Earpiece, Earpiece and Method of Producing Earpiece > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0243541 A1 - Document ID: US20210243541A1 - Status: Published application - Kind: A1 - Application number: 17/161,542 - Filed: 2021-01-28 - Published: 2021-08-05 - Earliest claimed: 2020-02-03 - Assignees: Sonova AG - Applicants: Sonova AG - Inventors: Andre Ochsenbein; Michael Takacs; Gabriel Perez - Web page: https://patentgrep.com/patent/US20210243541A1 ## CPC - H04R 25/554: {using a wireless connection, e.g. between microphone and amplifier or using Tcoils} - H04R 25/658: {Manufacture of housing parts} - H04R 25/609: {of circuitry (of electronic switches or control elements H04R25/603)} - B33Y 80/00: Products made by additive manufacturing - H04R 1/1058: {Manufacture or assembly} - H04R 25/02: adapted to be supported entirely by ear - H04R 2225/025: In the ear hearing aids [ITE] hearing aids - H04R 2225/51: Aspects of antennas or their circuitry in or for hearing aids - 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) - B33Y: ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING ## Abstract The present disclosure relates to a cover plate for covering a lateral opening of a shell of an earpiece configured to be worn at least partially within an ear canal, wherein the cover plate comprises a circumferential trench for receiving an antenna on a medial side of the cover plate, wherein the cover plate comprises a circumferential wall radially outward from the trench and adjacent the wall a surface for gluing the shell on. ## Claims ### Claim 1 A cover plate for covering a lateral opening of a shell of an earpiece configured to be worn at least partially within an ear canal, wherein the cover plate comprises a circumferential trench for receiving an antenna on a medial side of the cover plate, wherein the cover plate comprises a circumferential wall radially outward from the trench and adjacent the wall a surface for gluing the shell on. ### Claim 2 (depends on 1) The cover plate according to claim 1, wherein the circumferential wall directly adjoins the trench. ### Claim 3 (depends on 1) The cover plate according to claim 1, wherein the circumferential wall is integrally formed with the cover plate. ### Claim 4 (depends on 1) The cover plate according to claim 1, wherein the wall protrudes by a height of 1 mm or less above the surface for gluing the shell on. ### Claim 5 (depends on 1) The cover plate according to claim 1, wherein the trench is formed in the medial surface of the cover plate. ### Claim 6 An earpiece, configured to be worn at least partially within an ear canal, the earpiece comprising: a cover plate comprising a circumferential trench for receiving an antenna on a medial side of the cover plate, wherein the cover plate comprises a circumferential wall radially outward from the trench and adjacent the wall a surface for gluing the shell on, and a shell with a lateral opening covered by the cover plate, wherein a lateral end of the shell is glued at least on a medial surface of the cover plate outward from the wall. ### Claim 7 (depends on 6) The earpiece according to claim 6, further comprising at least one internal component comprising a transmitter/receiver unit for wireless operation and an antenna arranged in the trench. ### Claim 8 (depends on 7) The earpiece according to claim 7, wherein the transmitter/receiver unit has an operational frequency from 2.4 GHz to 2.5 GHz. ### Claim 9 (depends on 6) The earpiece according to claim 6, wherein the wall is positioned to directly adjoin the shell when the shell is glued on the cover plate. ### Claim 10 (depends on 6) The earpiece according to claim 6, wherein a radially inwardly facing, circumferential recess is provided at the lateral end of the shell, the recess being designed such that the wall is at least partially received therein and that a remaining part of the lateral end of the shell is glued on the cover plate. ### Claim 11 (depends on 7) The earpiece according to claim 7, wherein the antenna is configured as a dipole antenna. ### Claim 12 (depends on 7) The earpiece according to claim 7, wherein the antenna is configured as a conductive path on a flexible printed circuit board. ### Claim 13 (depends on 6) The earpiece according to claim 6, wherein the shell is made of one of titanium, plastic and an elastomer. ### Claim 14 A method of producing an earpiece, the method comprising: providing a cover plate comprising a circumferential trench for receiving an antenna on a medial side of the cover plate, wherein the cover plate comprises a circumferential wall radially outward from the trench and adjacent the wall a surface for gluing the shell on, arranging at least one internal component on a medial side of the cover plate, arranging an antenna in the trench, gluing a lateral end of the shell at least upon a medial surface of the cover plate outwardly from the wall. ### Claim 15 (depends on 14) The method according to claim 14, wherein subsequent to gluing on the shell, a projecting area of the cover plate is cut off along an outer edge of the shell. ### Claim 16 (depends on 14) The method according to claim 14, wherein the shell is produced by 3D printing. ### Claim 17 (depends on 16) The method according to claim 16, wherein the recess is formed in the shell during the 3D printing. ### Claim 18 (depends on 16) The method according to claim 16, wherein the recess is subsequently milled out of the shell.