# US 12,015,894 B2 · Microphone and electronic device having the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,894 B2 - Document ID: US12015894B2 - Status: Granted - Kind: B2 - Application number: 18/315,481 - Filed: 2023-05-10 - Published: 2023-09-07 - Granted: 2024-06-18 - Earliest claimed: 2020-01-17 - Assignees: Shenzhen Shokz Co., Ltd. - Applicants: Shenzhen Shokz Co., Ltd. - Inventors: Wenbing Zhou; Xin Qi; Fengyun Liao; Yongshuai Yuan - Web page: https://patentgrep.com/patent/US12015894B2 ## CPC - H04R 1/2876: {by means of damping material, e.g. as cladding (damping material for tuning desired resonances H04R1/2807, e.g. in vents H04R1/2823, H04R1/2846)} - H04R 1/04: Structural association of microphone with electric circuitry therefor (in electric hearing aids H04R25/00) - H04R 1/08: Mouthpieces; {Microphones;} Attachments therefor - H04R 1/10: Earpieces; Attachments therefor {; Earphones; Monophonic headphones (H04R1/28 takes precedence; stereophonic headphones H04R5/033)} - H04R 1/227: {using transducers reproducing the same frequency band} - H04R 1/245: {of microphones} - H04R 1/2892: {Mountings or supports for transducers} - H04R 17/02: Microphones - H04R 19/04: Microphones (H04R19/01 takes precedence) - H04R 2410/03: Reduction of intrinsic noise in microphones - H04R 2430/03: Synergistic effects of band splitting and sub-band processing - H04R 2460/13: Hearing devices using bone conduction transducers - 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 The present disclosure relates to microphones and electronic devices having the same. A microphone may include a housing for receiving vibration signals; a converting component inside the housing for converting the vibration signals into electrical signals, and a processing circuit for processing the electrical signals. The converting component may include a transducer and at least one damping film attached to the transducer. ## Claims ### Claim 1 A microphone comprising: a housing for receiving vibration signals; a converting component inside the housing for converting the vibration signals into electrical signals, wherein the converting component includes: a transducer; at least one damping film attached to the transducer; and at least one elastic element, wherein the at least one damping film is connected to the transducer and the at least one elastic element respectively, and a resonance frequency of each of the at least one elastic elements is within a predetermined voice frequency range; and a processing circuit for processing the electrical signals. ### Claim 2 (depends on 1) The microphone of claim 1, wherein the at least one damping film covers at least part of at least one surface of the transducer. ### Claim 3 (depends on 2) The microphone of claim 2, wherein the at least one surface of the transducer includes at least one of an upper surface, a lower surface of the transducer, a lateral surface, or an internal surface of the transducer. ### Claim 4 (depends on 1) The microphone of claim 1, wherein the at least one damping film is disposed on at least one position including an upper surface of the transducer, a lower surface of the transducer, a lateral surface of the transducer, or an interior of the transducer. ### Claim 5 (depends on 1) The microphone of claim 1, wherein the at least one damping film is disposed on at least one surface of the transducer at a predetermined angle. ### Claim 6 (depends on 1) The microphone of claim 1, wherein the at least one damping film is not connected to the housing. ### Claim 7 (depends on 1) The microphone of claim 1, wherein the at least one damping film is connected to the housing. ### Claim 8 (depends on 1) The microphone of claim 1, wherein the at least one damping film includes at least two damping films, and the at least two damping films are arranged symmetrically with respect to a center line of the transducer. ### Claim 9 (depends on 1) The microphone of claim 1, wherein the at least one elastic elements and the transducer are arranged in a predetermined distribution mode. ### Claim 10 (depends on 9) The microphone of claim 9, wherein the predetermined distribution mode includes at least one of a horizontal distribution mode, a vertical distribution mode, an array distribution mode, or a random distribution mode. ### Claim 11 (depends on 1) The microphone of claim 1, wherein the at least one damping film covers at least part of at least one surface of each of the at least one elastic elements. ### Claim 12 (depends on 1) The microphone of claim 1, wherein a width of the at least one damping film is variable. ### Claim 13 (depends on 1) The microphone of claim 1, wherein a thickness of the at least one damping film is variable. ### Claim 14 (depends on 1) The microphone of claim 1, wherein the transducer includes at least one of a diaphragm, a piezo ceramic plate, a piezo film, or an electrostatic film. ### Claim 15 (depends on 1) The microphone of claim 1, wherein a structure of the transducer includes at least one of a film, a cantilever, or a plate. ### Claim 16 (depends on 1) The microphone of claim 1, wherein the vibration signals are caused by at least one of: gas, liquid, or solid. ### Claim 17 (depends on 1) The microphone of claim 1, wherein the vibration signals are transmitted from the housing to the converting component according to a non-contact mode or a contact mode. ### Claim 18 (depends on 1) The microphone of claim 1, wherein the transducer and the at least one damping film are designed according to a frequency response curve of the microphone. ### Claim 19 (depends on 1) The microphone of claim 1, wherein the at least one elastic element includes at least two elastic elements, wherein the at least one damping film is connected to the transducer and the at least two elastic elements respectively, and a resonance frequency of each of the at least two elastic elements is different from each other. ### Claim 20 An electronic device comprising a microphone, wherein the microphone includes: a housing for receiving vibration signals; a converting component inside the housing for converting the vibration signals into electrical signals, wherein the converting component includes: a transducer; at least one damping film attached to the transducer; and at least one elastic element, wherein the at least one damping film is connected to the transducer and the at least one elastic element respectively, and a resonance frequency of each of the at least one elastic elements is within a predetermined voice frequency range; and a processing circuit for processing the electrical signals.