231931 ⎘
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; Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
Sub-classes:WEARING MEMBERS, WEARING DEVICES, AND CHARGING SYSTEMS
#2EARPHONE
#3ANTI-FULL-THROAT DIVING DEVICE, AND UNDERWATER COMMUNICATION DEVICE AND MANUFACTURING METHOD AND COMMUNICATION METHOD THEREFOR
#4METHOD FOR DETERMINING PREDICTION DIRECTION, DECODER, AND COMPUTER STORAGE MEDIUM
#5Dynamic Wind Noise Compression Tuning
#6SOUND-PRODUCING DEVICE
#7ACOUSTIC OUTPUT DEVICES
#8ACOUSTIC OUTPUT APPARATUS
#9DYNAMIC WIND NOISE COMPRESSION TUNING
#10Isolator and/or a link
#11AUDIO SYSTEMS, DEVICES, AND METHODS
#12ACOUSTIC OUTPUT DEVICE
#13WEARING MEMBERS, WEARING DEVICES, AND CHARGING SYSTEMS
#14Dynamic wind noise compression tuning
#15Sound-producing device
#16Audio systems, devices, and methods
#17Acoustic output devices
#18Acoustic output apparatus
#19Audio systems, devices, and methods
#20Microphone assembly with acoustic filter
#21Acoustic output device
#22Dynamic wind noise compression tuning
#23Sensing arrangement
#24Helmholtz-resonator for microphone assembly
#25Dynamic wind noise compression tuning
#26Microphone cavity
#27Microphone cavity
#28Circumaural headset or headphones with adjustable biometric sensor
#29Dynamic receiver with resonance protector for earphone
#30Sound converter arrangement with MEMS sound converter
#31Cylindrical microphone array for efficient recording of 3D sound fields
#32Passive vibration cancellation system for microphone assembly
#33Loudspeaker equalizer
#34Method of manufacturing microphone improving sound sensitivity
#35Acoustic structure with passive diaphragm
#36Vented acoustic enclosures and related systems
#37Motor vehicle combined instrument having a helmholtz resonator as acoustic element
#38Microphone module with shared middle sound inlet arrangement
#39Speaker box
#40Miniature speaker and speaker cabinet and hearing aid
#41Split box subwoofer with body mounted driver
#42Passive vibration cancellation system for microphone assembly
#43Electronic device
#44Pressure equalization in earphones
#45Speaker enclosure and method for eliminating standing waves therein
#46Block resistant microphone port design
#47Miniature speaker and speaker cabinet and hearing aid
#48High fidelty electro-acoustic enclosure and method of manufacture
#49Noise reducing earphone
#50Electronic device with loudspeaker
#51AUDIO OUTPUT DEVICE
#52Battery shock absorber for a portable medical device
#53MEMS microphone
#54Vehicular directional microphone assembly for preventing airflow encounter
#55Tetrahedral loudspeaker
#56Microphone package
#57Acoustic compensation chamber for a remotely located audio device