231949 ⎘
Details of transducers, loudspeakers or microphones Special adaptations for subaqueous use, e.g. for hydrophone
Floating and waterproof sound box
#302Activity monitoring and directing system
#303Waterproof audio and storage system
#304Waterproof sound transmitting member
#305Hydrodynamic modulator
#306Electronic device
#307Waterproof piezoelectric ceramic speaker
#308Water-proof sound transmitting member
#309Medical device with membrane keypad sealing element, and related manufacturing method
#310Battery shock absorber for a portable medical device
#311Low frequency electro acoustic transducer and method of generating acoustic waves
#312Underwater communication device
#313Negative pressure earphone
#314Underwater sensor arrays linearized by weight and buoyance distribution
#315Directional audio waveguide array
#316SYSTEMS OF APPAREL WITH INBUILT DEVICES FOR COMMUNICATION, ENTERTAINMENT, LEARNING AND HEALTH MONITORING
#317Water-proof sound-transmitting member and method for producing same, and supported water-proof sound-transmitting member
#318Transducers employing bowed lamina
#319EARPHONE
#320WATERPROOF ENCLOSURE FOR AUDIO DEVICE
#321Apparatus, system and method for underwater voice communication by a diver
#322Hydrophone and pressure balancing device for using for hydrophone
#323Medical device and related assembly having an offset element for a piezoelectric speaker
#324Medical device with membrane keypad sealing element, and related manufacturing method
#325Underwater Transducer Apparatus Using Polarized Stacked Piezoelectric Elements and a Method of Operating the Same
#326Electro-acoustic converters, electronic devices, waterproof covers, and air leakage test methods for electro-acoustic converters
#327Acoustic wave transducer and sonar antenna with improved directivity
#328Hydrophone and hydrophone assembly for performing stereophonic underwater sound recordings
#329Acoustic transducer
#330Mechanically filtered hydrophone
#331Omni-directional radiator for multi-transducer array
#332Waterproof enclosure for audio device
#333Underwater sound projector system and method of producing same
#334Methods, systems and apparatus for measuring acoustic pressure
#335Aquatic loudspeaker having a diaphragm
#336Submersible loudspeaker assembly
#337Bending vibration type sound transmitter
#338Durable and/or waterproof music earwear for helmets/headgear
#339Electro-acoustic transducer
#340Speaker device
#341WATERPROOF AUDIO HEADSET
#342Capacitive vibration sensor and method for manufacturing same
#343Lorentz acoustic transmitter for underwater communications
#344Protective housing for an audio device
#345Wireless communication device
#346Shear mode folded shell projector
#347Acoustic transducer and underwater sounding apparatus
#348Bone conduction systems and methods
#349Pressure sensitive sensor for real-time reconfigurable sonar applications
#350Echo sounder transducer
#351System for providing wireless waterproof audio
#352Hydrophone mandrel for precise placement of gratings
#353Pressure compensated hydrophone
#354Camera and electronic apparatus
#355Underwater Sonic Child Locator
#356Ultrasonic sensor
#357System for housing an audio system in an aquatic environment
#358Head worn entertainment and/or communication device
#359Detection of sound waves produced by a musical instrument
#360Underwater communication using sensing fusion
#361Underwater acoustic projector transducers
#362Coaxial sensor array system for subsurface anomalies detection
#363Rollable, large vertical aperture, acoustic planar towed array
#364Underwater sound system for watercraft
#365Computerised systems and methods for detection
#366Acoustic-electric remote control release hook used on water and underwater
#367Magnetic field audio loop for swimming pools
#368Slotted thermophone
#369Device with water drainage for a speaker
#370Underwater subwoofer system
#371Waterproof headphone structure
#372Waterproof molded mesh for audio transducer
#373Concealed barometric vent for an electronic device
#374Process for assembly of multimode hydrophone ceramic stack
#375Passive mode carbon nanotube underwater acoustic transducer
#376Vehicle based vector sensor
#377Waterproof speaker system with bladder
#378Transducer with modifiable passive component