Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 1 - Details of transducers
Patents for H04R 1 - Details of transducers (42,173)
11/2007
11/29/2007WO2007135682A2 Apparatus for generating pressure and methods of manufacture thereof
11/29/2007WO2007135681A1 Arrays of current bearing elements useful for generating pressure waves
11/29/2007WO2007135680A1 Apparatus and methods for generating pressure waves
11/29/2007WO2007135679A2 Volume and tone control in direct digital speakers
11/29/2007WO2007135678A2 Direct digital speaker apparatus having a desired directivity pattern
11/29/2007WO2007134368A1 Single sided headset
11/29/2007WO2007082579A3 Active hearing protection system
11/29/2007US20070275769 Speaker module design
11/29/2007US20070274803 Speaker Attaching Construction and Speaker
11/29/2007US20070274558 Squeeze-stretch driver for earphone and the like
11/29/2007US20070274557 Speaker
11/29/2007US20070274556 Speaker Device
11/29/2007US20070274554 Reversible speaker grill attachment
11/29/2007US20070274547 Display device
11/29/2007US20070274543 Multifunction-Type Vibration Actuator And Mobile Terminal Device
11/29/2007US20070274541 Superdirectional Acoustic System and Projector
11/29/2007US20070274531 Sound pressure monitor
11/29/2007US20070274530 Audio Entertainment System, Device, Method, And Computer Program
11/29/2007DE10340367B4 Verfahren und Vorrichtung zur Verbesserung des Schalldruckpegels eines Schallgebers Method and device for improving the sound pressure level of a sound generator
11/28/2007EP1860530A2 Touch screen device and operating method thereof
11/28/2007EP1859648A1 Loudspeaker enclosure with a closed and an open position
11/28/2007EP1859252A1 Photoacoustic spectroscopy detector and system
11/28/2007CN200983672Y Clothes-pin installed at the Bluetooth earphone
11/28/2007CN200983671Y 2D co-shaking voltage porcelain vector water hearer
11/28/2007CN200983670Y Acoustical processing device used with microphone
11/28/2007CN200983669Y Dual-hole earphone base
11/28/2007CN200983668Y Ear cover earphone with MP3 player
11/28/2007CN200983667Y Suspending chain
11/28/2007CN200983666Y Earphone connector structure
11/28/2007CN200983665Y Bluetooth portable voice amplification headphone
11/28/2007CN200983664Y A flexible head-wearing earphone
11/28/2007CN200983663Y Microphone cup header
11/28/2007CN200983662Y Horse with improved structure
11/28/2007CN200983661Y Loudspeaker
11/28/2007CN200983660Y Ultra-thin plate sound box
11/28/2007CN200983659Y A room embedded wall sound box
11/28/2007CN101080107A Multi-track earphone
11/28/2007CN100352011C Equipment and method for manufacturing semiconductor device
11/28/2007CN100351649C Ocean earthquake demodulator
11/27/2007US7302077 Electromagnetic driver for a planar diaphragm loudspeaker
11/27/2007US7302075 Electronic device with loudspeaker
11/27/2007US7302074 Receiver
11/27/2007US7302073 Method of detecting and deterring microphone sabotage
11/27/2007US7302072 Electronic device mount for mask
11/27/2007US7302068 Loudspeaker
11/27/2007US7302063 Audio system for an automobile
11/27/2007US7302061 Dual-tweeter loudspeaker
11/27/2007US7301094 Device for driving vibration source
11/27/2007US7299893 Loudspeaker horn and method for controlling grating lobes in a line array of acoustic sources
11/27/2007US7299892 Door trim speaker grille with electroluminescent lamp and injection molding method of making same
11/27/2007CA2204875C High-gain directional transducer array
11/22/2007WO2007133055A1 Bone conduction headset
11/22/2007WO2007132728A1 Ultrasonic receiver
11/22/2007WO2007132492A1 Acoustic correction device
11/22/2007WO2007132362A2 Method and apparatus for characterizing a welding output circuit path
11/22/2007WO2007132176A1 Wind noise rejection apparatus
11/22/2007WO2007132118A1 Speaker system with vent
11/22/2007WO2007064684A3 Lanyard assembly for audio device
11/22/2007US20070269076 Electroacoustic Transducer and Electronic Device Using the Same
11/22/2007US20070269075 Speaker device
11/22/2007US20070269074 Omni-Directional Speaker Lamp
11/22/2007US20070269071 Non-Planar Transducer Arrays
11/22/2007US20070269053 Hearing device and method for operating a hearing device
11/22/2007DE102006051401B3 Loudspeaker e.g. cone loudspeaker, unit for e.g. hands free set, has housing, whose dimensions, dimensions and position of opening are selected so that negative interference of acoustic signals is formed transverse to normal of loudspeaker
11/22/2007DE102006023108A1 Vorrichtung zur Führung und Leitung eines Instruments in einem Körper Apparatus for guidance and direction of an instrument in a body
11/22/2007CA2652754A1 Transducer enclosure
11/21/2007EP1858290A1 Diaphragm for planar speaker and planar speaker
11/21/2007EP1858288A1 Speaker device
11/21/2007EP1856946A2 Aquatic loudspeaker having a diaphragm
11/21/2007EP1856945A1 Loudspeaker
11/21/2007CN200980160Y A switcher for earphone and sound box
11/21/2007CN200980159Y An improvement in structure of trumpet
11/21/2007CN200980158Y An extension receiver for earplug
11/21/2007CN200980157Y A timing and stretching earphone
11/21/2007CN200980156Y An earphone with MP3 player
11/21/2007CN200980155Y A headphone
11/21/2007CN200980154Y A structure of earphone for eye patch
11/21/2007CN200980153Y A mini-trumpet or receiver
11/21/2007CN200980152Y A microphone with a shookproof head
11/21/2007CN200980151Y A seat-type integration sound box
11/21/2007CN200979623Y Glasses with bluetooth device
11/21/2007CN200979274Y 热水器 Water Heater
11/21/2007CN200977018Y Pillowcase built-in loudspeaker
11/21/2007CN101076203A Audio-transmitter array for picking up signals of adjacent-field sound source
11/21/2007CN101076202A Connect shock absorber of microphone
11/21/2007CN100349661C Micromachined ultrasound transducer and method for fabricating same
11/20/2007US7298863 In-vehicle speaker rotational mounting structure
11/20/2007US7298862 Asymmetrical loudspeaker enclosures with enhanced low frequency response
11/20/2007US7298860 Rigging system for line array speakers
11/20/2007US7298858 Insert earphone assembly for audiometric testing and method for making same
11/20/2007US7298854 Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing
11/20/2007US7298853 Parametric virtual speaker and surround-sound system
11/20/2007US7297238 Ultrasonic energy system and method including a ceramic horn
11/15/2007WO2007130341A2 Normalization and calibration of microphones in sound- intensity probes
11/15/2007WO2007129774A2 Acoustic transmission path, speaker system using the same and tube module for assembly kit of acoustic transmission path
11/15/2007WO2007129731A1 Sound source tracking system, method and robot
11/15/2007WO2007129507A1 Card mems microphone
11/15/2007WO2007129500A1 Vibration detection device
11/15/2007WO2007107744A3 Lighting and sound reproduction
11/15/2007WO2006107464A3 Headset visual feedback system
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