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)
02/2003
02/27/2003WO2003017717A2 Method and apparatus for reconstruction of soundwaves from digital signals
02/27/2003WO2003001885A3 Multimedia and entertainment system for an automobile
02/27/2003WO2002030150A3 A hearing aid with adaptive matching of input transducers
02/27/2003WO2002003755A3 Audiosystem for an automobile
02/27/2003US20030040285 Retractable microphone/speaker lead for a belt clip attachment device for a mobile phone or the like
02/27/2003US20030039375 Closed headphones with transducer system
02/27/2003US20030039374 Microphone holder having connector unit molded together with conductive strips
02/27/2003US20030039372 Display control apparatus for displaying gain setting value in predetermined color hue
02/27/2003US20030039109 Earphone jack holding device
02/27/2003US20030038925 Visual and audio system for theaters
02/27/2003US20030037988 Ear coupler
02/26/2003EP1285554A2 Directional microphone arrangement and method for signal processing in a directional microphone arrangement
02/26/2003EP1285432A1 A method and a device for generating low frequency sound and use of the device
02/26/2003EP0979590B1 Loudspeaker systems
02/26/2003CN2538108Y Line control line guard anti-drop structure
02/26/2003CN1399740A Internet based hearing assessment method
02/26/2003CN1399496A Loudspeaker driver with flat wrapping layer
02/26/2003CN1399495A Microphone capsule support
02/26/2003CN1399401A Detachable power source for audio equipment
02/25/2003US6526152 Electroacoustic transducer having a moving coil and elastic holding elements for the connecting leads of the moving coil
02/25/2003US6526150 Telephone loudspeaker enclosure
02/25/2003US6526147 Microphone array with high directivity
02/25/2003US6525993 Speaker direction detection circuit and speaker direction detection method used in this circuit
02/25/2003US6523794 Supporting element for instruments or speakers
02/20/2003WO2003015465A1 Ear-integrated telephone transmitter and receiver with high suppressed feedback
02/20/2003WO2003015464A2 Directional audio signal processing using an oversampled filterbank
02/20/2003WO2003015462A2 Loudspeaker with a three-dimensional diaphragm
02/20/2003WO2003015331A2 Digital transmission and control system for vehicles
02/20/2003WO2003013395A1 Improved speech aid device
02/20/2003WO2002091792A3 Mask with a built-in microphone
02/20/2003US20030036364 Multi-functional actuator
02/20/2003US20030036360 Integrated portable entertainment, information and communication system linked to a wireless helmet
02/20/2003US20030035563 Audio signal junction box assembly
02/20/2003US20030035561 Shockproof microphone support device
02/20/2003US20030035552 Process and system for directional acoustic propagation
02/20/2003US20030034199 Structure of speaker cabinet
02/19/2003EP1284586A2 Method and system for directional sound generation
02/19/2003EP1284585A1 Waveguide electracoustical transducing
02/19/2003CN1398140A Mic support with integratly moulded joint unit with conductive strip
02/19/2003CN1398063A Line controlled microphone device and method for recognizing keystroke action by voltage gradient
02/18/2003US6522765 Headset communication system and method of using same
02/18/2003US6522761 Directionally sensitive pointing microphone
02/18/2003US6522760 Active acoustic devices
02/18/2003US6522759 Speaker
02/18/2003US6522757 Bass intensification device for speaker system
02/18/2003US6522756 Method for shaping the spatial reception amplification characteristic of a converter arrangement and converter arrangement
02/18/2003US6522755 Vehicular loudspeaker system
02/18/2003US6520776 Portable karaoke microphone device and karaoke apparatus
02/18/2003US6520283 Mechanical signal filter
02/13/2003WO2003013184A1 Electroacoustic public address unit with acoustic horn or waveguide
02/13/2003WO2003013183A2 Improvements in acoustic enclosures
02/13/2003WO2003012777A1 Acoustic imaging system with non-focusing lens
02/13/2003WO2002065451A9 Floor mat with voice-responsive display
02/13/2003US20030031337 Loudspeaker with a three-dimensional diaphragm
02/13/2003US20030031334 Sonic landscape system
02/13/2003US20030031330 Woofer having ornamental flashing lights
02/13/2003US20030031328 Second-order adaptive differential microphone array
02/13/2003US20030031324 Solenoid for an electrolarynx
02/13/2003US20030029306 Sound system and method for creating a sound event based on a modeled sound field
02/13/2003DE20217449U1 Loudspeaker housing design, has each loudspeaker unit provided with a boring on the back-face of its magnetic circuit for a fixture screw
02/13/2003DE10138434C1 Fokussierender elektroakustischer Wandler und Verfahren zum Test seiner Ausgangsleistung The focusing electroacoustic transducer and method for testing of its output
02/12/2003EP1283656A2 Loudspeaker enclosure
02/12/2003EP1283517A2 Focussed electro-acoustic transducer and method for testing its output power
02/12/2003EP1283003A1 System consisting of a microphone and an amplifier
02/12/2003EP1283002A2 Loudspeaker having an acoustic panel and an electrical driver
02/12/2003EP1282974A1 Headset
02/12/2003EP1282831A2 Method and apparatus for discriminating ultrasonic echoes using wavelet function processing
02/12/2003EP1175809B1 Headset
02/12/2003CN2535991Y Ceramic voice box
02/11/2003US6519475 Earphone-microphone combination including a radio module and method of shifting its operational mode between telephone mode and radio mode
02/11/2003US6519349 Loudspeaker
02/11/2003US6519348 Speaker apparatus and television set
02/11/2003US6519139 Keyboard and electronic apparatus
02/06/2003WO2003010996A2 Sound reinforcement system having an echo suppressor and loudspeaker beamformer
02/06/2003WO2003010994A1 Loudspeaker with direct emission and optimised radiation
02/06/2003US20030028104 Acoustic imaging system with non-focusing lens
02/06/2003US20030027643 Apparatus for generating light effects
02/06/2003US20030026445 Conductive speaker mounting system
02/06/2003US20030026444 Microphone for a listening device having a reduced humidity coefficient
02/06/2003US20030026435 Focussing electroacoustic transducer and method for testing its output power
02/06/2003US20030025045 Rear tray having speaker grill and method for installing speaker grill and rear tray to vehicle panel
02/06/2003US20030024765 Portable information terminal device
02/06/2003US20030024764 Speaker box with molded plastic end caps
02/06/2003DE20201810U1 Loudspeaker suspension comprises support tubes passing through loudspeaker boxes
02/05/2003WO2002003662A2 Listening device
02/05/2003EP1282335A2 Sound reproduction device
02/05/2003EP1282334A2 Bracket for mounting and speaker
02/05/2003EP1282333A2 Bracket for mounting speaker
02/05/2003EP1282332A2 Bracket for mounting speaker
02/05/2003EP1282174A2 Piezoelectric element and vibration transducer with piezoelectric element
02/05/2003EP1281981A2 Directional audio recording system with indication of recording zone and/or perturbation source
02/05/2003EP0976117B1 Sounder
02/05/2003CN2534760Y Loudspeaker box
02/05/2003CN2534759Y Improvement of voice box structure
02/05/2003CN2534758Y New structure of improved microphone base
02/05/2003CN1395787A Portable telephone attachment for person hard of hearing
02/05/2003CA2417902A1 Listening device
02/04/2003US6516076 Modular horn loudspeaker
02/04/2003US6516072 Loudspeaker
02/04/2003US6516070 Spa audio system operable with a remote control
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