231922 ⎘
Details of transducers, loudspeakers or microphones; Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only; Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means; Enclosures comprising vibrating or resonating arrangements of the bandpass type Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
SOUND-PRODUCING DEVICE
#2EARPHONE AND TERMINAL DEVICE
#3ACOUSTIC OUTPUT DEVICES
#4ACOUSTIC OUTPUT APPARATUS
#5ACTIVE LEAKAGE ADAPTION FOR WEARABLE AUDIO DEVICES
#6ACOUSTIC OUTPUT DEVICE
#7Sound-receiving system, and electronic device
#8Wireless earbud
#9MEMS MICROPHONE WITH MULTIPLE SOUND PORTS
#10Sound-producing device
#11Acoustic output devices
#12MEMS microphone and package with integrated passive acoustic filter, extended soundport
#13Acoustic output apparatus
#14Hearing device comprising a vent and an acoustic valve
#15Earphone having a controlled acoustic leak port
#16Acoustic output device
#17Headphone
#18Headphone and grille unit
#19Earphone
#20Vented acoustic transducers, and related methods and systems
#21Vented acoustic transducers, and related methods and systems
#22Earphone having a controlled acoustic leak port
#23Microphone assembly with back volume vent
#24Earphone having a controlled acoustic leak port
#25Noise reduction for high-airflow audio transducers
#26Ported headphones and related methods
#27Noise reduction for high-airflow audio transducers
#28Telecommunications audio endpoints
#29Earphone having a controlled acoustic leak port
#30Earphones
#31Vehicle speaker arrangement
#32Headset porting
#33Earphone having a controlled acoustic leak port
#34Parametric in-ear impedance matching device
#35Microspeaker acoustical resistance assembly
#36Loudspeaker with a helmholtz resonator
#37Earphone having a controlled acoustic leak port
#38Earphones
#39Mass port plug for customizing headphone drivers, and related methods
#40Headset porting
#41Microphone package with integrated substrate
#42Earphones
#43Speaker enclosure and method for eliminating standing waves therein
#44Earphone having a controlled acoustic leak port
#45Equalized earphones
#46TRANSDUCER ASSEMBLY
#47Microphone coupler for a communication device
#48Microphone coupler for a communication device