SOUND OUTPUT DEVICE FOR VEHICLE

Opposed Driver Toroidal Compression Horn System and Method of Use

Sound gathering device for voiceprint monitoring and preparation method

PREPARATION METHOD OF A PASSIVE HORN

System for Non-Lethal Defense and Crowd Control in Public and Private Spaces

Wild game calling device

Pickup diaphragm

PIEZOELECTRIC SOUND COMPONENT

Stethoscope and binaural assembly for a stethoscope including a sound junction blockage prevention member

Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)

Sound bypass

Ultrasonic transducer with perforated baseplate

METHOD AND DEVICE FOR DETECTING CHARACTERISTIC FREQUENCIES WITH A SENSOR

Multi-audio stethoscope head

STETHOSCOPE CHESTPIECE WITH MULTIPLE CAVITIES

Acoustically resistive supported membrane assemblies including at least one support structure

Dual-tone horn assemblies and methods of use

Method for producing an alveolar soundproofing structure including a diaphragm, and alveolar soundproofing structure obtained

Metal injection molding for stethoscope chestpiece

Stethoscope acoustic tubing that is disconnectable into separate segments

Acoustic sources for air data systems

Ultrasonic transducers

Sound transducer

Active Noise Absorption Method and Device with Resonance Frequency Tracking

APPARATUS FOR DETECTING A PROPER WEARING STATUS OF A SAFETY BELT

One-piece diaphragm and ring for stethoscope chestpiece

High-power ultrasound emitter design

Elastic Sound Generating Device

Sound enhancing system

Ultrasonic transducer with perforated baseplate

Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)

Acoustic matching layer

One-way sound transmission structure

Dynamic sound emission for vehicles

Fabrication techniques and structures for gettering materials in ultrasonic transducer cavities

Sound diffuser accessory

SYSTEMS AND METHODS FOR USING SMART CONTRACT AND LIGHT AND SOUND EMITTING ASSETS PROVISIONED WITH DISTRIBUTED LEDGER ADDRESSES TO IDENTIFY AND LOCATE ASSETS

Preparation method of a passive horn

Speech diaphragm module for a respirator mask

ULTRATHIN ASSEMBLED SPEAKER CONE

ELONGATED POLYGON-SHAPED ELECTRICALLY ACTIVE MATERIAL LAYER FOR ULTRASONIC TRANSDUCER

ELASTIC LAYER FOR ULTRASONIC TRANSDUCER

CONICAL STRUCTURE AND ULTRASONIC TRANSDUCER

ELASTIC STRUCTURE BETWEEN TWO OBJECTS

ULTRASONIC PROBE

DIAPHRAGM SET FOR STETHOSCOPE AND DISPOSABLE CAPSULE HAVING THE SAME

LED RAT REPELLENT LIGHT

Acoustic radiation membrane, and striking watch equipped with the acoustic membrane

Resonance tube of horn

Vibration membrane

Vibration Diaphragm

Membrane for sounding device

Vibration diaphragm

Vibration diaphragm

Ultrasonic transducers

Glass sheet composite, diaphragm using the same, and image projection structure

Acoustic sensor having a housing and a diaphragm element situated on this housing

Homogeneous hard speaker radiating diaphragms with damping

Ultrasonic generator

Composite membrane and method for producing a composite membrane

Vibrating diaphragm assembly

Ultrasonic transducer with a non-uniform membrane

DIAPHRAGM FOR SPEAKER APPARATUS

Polymer film, waterproof sound-permeable membrane, waterproof sound-permeable member, electronic device, electronic device case, waterproof sound transmission structure, waterproof gas-permeable membrane, waterproof gas-permeable member, waterproof ventilation structure, suction sheet, method for holding workpiece by suction on suction unit, method for producing ceramic capacitor, optical film, optical member, and composition

Acoustic diaphragm

Film and method for producing same

ACOUSTIC ATTENUATION DEVICE AND METHODS OF PRODUCING THEREOF

Acoustic attenuation device and methods of producing thereof

LOUDSPEAKER DIAPHRAGM

Sound generating device

Vibration speaker for audio headsets

Extracting features from auditory observations with active or passive assistance of shape-based auditory modification apparatus

Amplifying device for a wired headphone microphone

Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)

Microphone capable of actively counteracting noise attributed to undesired vibration

DIFFRACTION BLADE FOR LOUDSPEAKER UNIT

INNER FIXED STRUCTURE ACOUSTIC PANEL WITH DIRECTIONAL PERFORATIONS

Acoustically transparent waveguide

Acoustic apparatus and operation

DIAPHRAGM HAVING IMPROVED SURROUND STRUCTURE

Voice transmitter

Ultrasound transducer with reduced aperture delay line

Loudspeaker membrane and method for manufacturing such a membrane

Method for manufacturing compound diaphragm

METHOD FOR MANUFACTURING COMPOUND DIAPHRAGM

Underwater acoustic projector

Composite structure with vibrational properties

Diaphragms for loudspeaker drive units

Compound Membrane and Method for Manufacturing Same

Loudspeaker diaphragm and loudspeaker using same

Vehicle orientation device and method

Wading vehicle water level display

Sound generator for an anti-noise system for influencing exhaust noises and/or intake noises of a motor vehicle

Wading vehicle advisory speed display

Process for manufacturing a plurality of wave energy emitters

Audio speaker with sandwich-structured composite diaphragm

Vehicle control system

Motor vehicle

Speaker damper and manufacturing method of the same

COMPOUND MEMBRANE AND ACOUSTIC DEVICE USING SAME

COMPOUND MEMBRANE AND ACOUSTIC DEVICE USING SAME

Wading vehicle water level display

Compound membrane and acoustic device using same

Amplifying cover for a portable audio device

Ultrasonic wading detection for a vehicle

Wading vehicle depth measurement apparatus

ACOUSTIC MOLDED ARTICLE, SPEAKER USING SAME, AND ELECTRONIC EQUIPMENT AND MOBILE APPARATUS USING SPEAKER

Vibration-lead plate for flat type speaker, mounted between voice coil plate and vibration plate

Disk for horn of vehicle

Acoustic transducer device

Loudspeaker and diaphragm therefor

HIGH DIRECTIVE ULTRASONIC TRANSDUCER

Method of operating an ultrasonic transmitter and receiver

Acoustic radiating membrane for a music box or striking watch

Acoustic radiating membrane for a music box or striking watch

Apparatus and method for generating broad bandwidth acoustic energy

Ultrasonic sensor

Sound generator for use in parametric array

Macrosonic generator for the air-based industrial defoaming of liquids

ACOUSTIC VIBRATION REPRODUCING APPARATUS

ACOUSTIC WAVEGUIDE AND ELECTROACOUSTIC SYSTEM INCORPORATING SAME

Tangential stress reduction system in a loudspeaker suspension

Horn

Sound panel for playing sounds and music, and method for manufacturing such panel

Tangential stress reduction system in a loudspeaker suspension