Patents for H04R 1 - Details of transducers (42,173)
06/2004
06/23/2004EP1432280A2 Method for extending the frequency range of a beamformer without spatial aliasing
06/23/2004EP1432279A2 Means for contacting electrotechnical components placed in a communication terminal and communication terminal with such contacting means
06/23/2004EP1432278A2 Microphone module for a hearing aid
06/23/2004EP1430838A1 Ultrasonic probe
06/23/2004EP1430747A2 Interchangeable pivoting loudspeaker assembly with spring retained high frequency transducer
06/23/2004EP1429870A1 Frequency and amplitude apodization of transducers
06/23/2004EP1186202A4 An underwater audio system
06/23/2004CN1507766A Loudspeaker and method of making same
06/23/2004CN1507701A Parametric virtual speaker and surround-sound system
06/23/2004CN1155292C Microphone array with high directivity
06/23/2004CN1155291C Electroacoustic transducer including elastic contact formed with at least one bended part
06/22/2004US6754361 Ergonomic headset assembly
06/22/2004US6754359 Ear terminal with microphone for voice pickup
06/22/2004US6754358 Method and apparatus for bone sensing
06/22/2004US6754355 Digital hearing device, method and system
06/22/2004US6754136 Hydrophone with automatic inhibition in case an adjustable immersion threshold is exceeded
06/22/2004US6752906 Loudspeaker and method for the preparation thereof
06/22/2004US6752366 Structure for mounting speaker
06/22/2004US6752238 Water resistant audible toys with sound effects
06/17/2004WO2004052050A1 Personal communication method and apparatus with acoustic stray field cancellation
06/17/2004WO2004052049A1 Stereo signal communication using bluetooth transceivers in earpieces
06/17/2004WO2004052048A1 A signal or communications unit having an attachment means, and use thereof
06/17/2004WO2004052047A1 Biodegradable material for audio systems
06/17/2004WO2004051967A1 Portable telephone using bone conduction speaker
06/17/2004WO2003009636A3 Directional sound acquisition
06/17/2004US20040116005 Portable terminal with multipurpose earjack
06/17/2004US20040114777 Electroacoustic conversion of audio signals, especially voice signals
06/17/2004US20040114773 Assembly for making an electrical connection between components
06/17/2004US20040113524 Backing material for micromachined ultrasonic transducer devices
06/17/2004US20040112671 Loudspeaker unit and assembly
06/17/2004US20040112630 Sound signal wire and process for enhancing rigidity thereof
06/17/2004US20040112619 Strap-shaped input device
06/17/2004DE10254404A1 Audiowiedergabesystem und Verfahren zum Wiedergeben eines Audiosignals The audio reproduction system and method for reproducing an audio signal
06/16/2004EP1429581A2 Method of broadband constant directivity beamforming for non linear and non axi-symmetric sensor arrays embedded in a obstacle
06/16/2004EP1429580A1 Clamping device for a headset
06/16/2004EP1429579A1 Ceiling mounting speaker stand system
06/16/2004EP1429347A2 Strap-shaped input device
06/16/2004EP1429314A1 Correction of energy as input feature for speech processing
06/16/2004EP1428410A2 A headphone
06/16/2004EP1428409A2 Loudspeaker systems
06/16/2004CN2620956Y Microporous wall integrated loudspeaker box
06/16/2004CN1505439A Improvements in and relating to audio devices
06/16/2004CN1505437A Mounting structure for loudspeaker units
06/16/2004CN1505288A Wireless communication system, wireless microphone and controlling method thereof
06/16/2004CN1154394C Apparatus having housing which accommodates sound transducer and which has passage
06/15/2004US6751333 Inertial vibration transducers
06/15/2004US6751331 Communication headset
06/15/2004US6751330 Speaker system
06/15/2004US6751329 Loudspeaker driver
06/15/2004US6751328 Earphone without impulse noise for protection against conductive hearing loss
06/15/2004US6751324 Speaker device
06/15/2004US6748627 Combination handle and cabinet fastener
06/10/2004WO2004049755A1 Acoustic wave guidance in a vehicle
06/10/2004WO2004049754A1 Speaker system
06/10/2004WO2004049753A1 Multi-channel headphone
06/10/2004WO2004049752A1 A headset having an attachment element for attaching an ear hook to a holding ring
06/10/2004WO2004049751A1 Loudspeaker
06/10/2004WO2004039636B1 Trim panel with integrally formed attachment member
06/10/2004WO2003034782A3 Modular headset for cellphone or mp3 player
06/10/2004US20040109581 Hands-free handset for a vehicular cellular phone
06/10/2004CA2542517A1 Speaker system
06/09/2004EP1427254A2 Electroacoustical transducing with low frequency aufmenting devices
06/09/2004EP1427249A1 Voice coil of speaker
06/09/2004EP1427247A2 Baffle vibrating reducing
06/09/2004EP1425937A2 Acoustic device
06/09/2004DE202004004564U1 Multiple mode electrical supply device for cordless headset, has integral current control circuit in headset supplied by battery set and used for switching supply on and off
06/09/2004DE10315962A1 Slotted tunnel housing for automobile sound reproduction, has slotted tunnel whose shape can approximate to exponential horn for open trunk; can give greatly increased bass gain in range up to 40 Hz
06/09/2004CN1153505C Cross complementing sound box with low distortion in lower limitation of cavity frequency
06/09/2004CN1153503C Microphone and receiver for automatic accompaniment
06/08/2004US6748359 Method for transmitting acoustic signals from a memory or chip card, and card for implementing said method
06/08/2004US6748096 Bulb type speaker structure
06/08/2004US6748095 Headset with multiple connections
06/08/2004US6748091 Capacitor microphone and portable telephone using the capacitor microphone
06/08/2004US6748088 Method and device for operating a microphone system, especially in a motor vehicle
06/08/2004US6748087 Headset with ear cushion and means for limiting the compression of the cushion
06/08/2004US6747584 Aggregate beamformer for use in a directional receiving array
06/08/2004US6745867 Loudspeaker drive unit
06/03/2004WO2004047485A1 Audio playback system and method for playing back an audio signal
06/03/2004WO2004047483A1 Wide directionality speaker system, and cover attaching construction for planar direct-mounted implements
06/03/2004WO2004047482A2 A high intensity directional electroacoustic sound generating system for communications targeting
06/03/2004WO2004004297A3 Stationary spectral power dependent audio enhancement system
06/03/2004US20040107080 Method for modelling customised earpieces
06/03/2004US20040105567 Speaker installation structure
06/03/2004US20040105566 Body set type speaker unit
06/03/2004US20040105565 Loudspeaker system with extended bass response
06/03/2004US20040105559 Electroacoustical transducing with low frequency augmenting devices
06/03/2004US20040105557 Microphone array system
06/03/2004US20040104069 Bass-reflex loudspeaker sysstem and method of manufacturing the same
06/03/2004DE20315385U1 Headset for use with speech recognition software comprises a holder element which is provided at one end with a communication capsule with a microphone boom and a sound conductor element
06/03/2004DE202004000347U1 Hearing aid is in form of flexible tube having combinations of multiple or single inputs and outputs.
06/03/2004DE10196314B4 Lautsprechermontagestruktur Speaker mounting structure
06/02/2004EP1424873A2 Hearing system
06/02/2004EP1423988A2 Directional audio signal processing using an oversampled filterbank
06/02/2004CN1501747A Embedding plate and loudspeaker apparatus
06/02/2004CN1152598C Electronic apparatus
06/01/2004US6744904 Multifunction acoustic device
06/01/2004US6744903 Multiple damping device of speaker system for video display equipment
06/01/2004US6744902 Ported loudspeaker enclosure
06/01/2004US6744901 Headphone
06/01/2004US6744900 Complex acoustic path and gasket for use with microphones