Patents for H04R 1 - Details of transducers (42,173)
01/2003
01/02/2003US20030001055 Crossbar bracket assembly for speakers and monitors
01/02/2003US20030000768 Speaker housing configured to minimize standing waves and resonate above the frequency range of transducers
01/02/2003US20030000767 Speaker enclosure configured to minimize diffraction
01/02/2003EP1272000A2 Dual diaphragm speaker
01/02/2003EP1269794A2 Method for manufacturing hearing devices
01/02/2003EP1269576A1 Method for providing the transmission characteristics of a microphone arrangement and microphone arrangement
01/01/2003CN2529456Y Raidio microphone receiver with easy changedand repaired receiving module
01/01/2003CN1388726A Automatic loudspeaker frequency response equating regulation system and method
01/01/2003CN1387834A Ultrasound wave beautying device
12/2002
12/31/2002CA2258762C Notifying vibration generator and portable communications device wherein the generator is used
12/27/2002WO2002082422A3 Active noise cancelling headset and devices with selective noise suppression
12/27/2002WO2002019761A3 Pivoting and rotating loudspeaker assembly
12/27/2002WO2002009486A3 Acoustic structures
12/27/2002WO2001076319A3 Method and apparatus for voice signal extraction
12/26/2002US20020196961 Panel-shaped loudspeaker
12/26/2002US20020196960 Headset with overmold
12/26/2002US20020196955 Voice transmission apparatus with UWB
12/26/2002US20020196953 Swimmers ear
12/26/2002US20020196948 Submersible headphones
12/25/2002CN2528177Y Earphone with walkman and communication function
12/25/2002CN1387742A Longitudinally divided loudspeaker port with increased aerodynamic efficiency
12/25/2002CN1387739A Electro-acoustic communications unit
12/25/2002CN1387738A Microphone holder
12/25/2002CN1387386A Electroacoustic waveguide transformation
12/25/2002CN1387351A Loudspeaker
12/19/2002WO2002101885A1 Connector for electro-acoustic component and connection structure thereof
12/19/2002WO2002100561A1 Vibrating actuator device
12/19/2002WO2002076143A8 Solid angle cross-talk cancellation for beamforming arrays
12/19/2002WO2002067243A3 Rigging system for loudspeakers
12/19/2002US20020190850 Ultrasonic obstacle detector and method of assembling the same
12/19/2002US20020189895 Loudspeaker
12/18/2002EP1266538A1 Spatial sound steering system
12/18/2002EP1266414A1 Headset assembly including replaceable battery
12/18/2002CN2527045Y Special magnetic float seat for audio-visual equipment
12/18/2002CN1386371A Aiming a device at a sound source
12/18/2002CN1386074A Electromagnetic induction type actuator device and mounting structure therefor and PDA (personal digital assistant)
12/17/2002US6496589 Headset with overmold
12/17/2002US6496588 Directional dynamic microphone interchangeable to have unidirectional and superdirectional characteristics
12/17/2002US6496586 Thin Loudspeaker
12/12/2002WO2002065810A3 Electroacoustic transducer being acoustical tight in the area of its air gap for its moving coil
12/12/2002US20020186859 Framework for home theater systems
12/12/2002US20020186858 Loopdown and looparound headsets
12/12/2002US20020186856 Piezoelectric speaker
12/12/2002US20020186855 Microphone
12/11/2002EP1265422A1 Portable radio terminal and sound delivery method and sound intake method
12/11/2002EP1264515A2 Acoustic switch with electronic switching capability
12/11/2002EP1264512A1 Microphone structure
12/11/2002EP1264300A2 Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process
12/11/2002EP0749264B1 Loudspeaker
12/11/2002CN2525758Y Art acoustics
12/11/2002CN2525757Y Storage box type mixing loundspeaker
12/11/2002CN2525756Y Ear wearing earphone
12/11/2002CN1384693A 扬声器及移动终端设备 Speakers and mobile devices
12/11/2002CN1384653A Loudspeaker
12/10/2002US6493456 Thin speaker assemblies including laterally offset resonator cavities and personal electronic devices including the same
12/10/2002US6493455 Subwoofer assembly
12/10/2002US6493452 Speaker unit
12/10/2002US6493451 Communication helmet
12/10/2002US6492761 Digital piezoelectric transducers and methods
12/10/2002US6491708 Ultrasonic transducer with improved compressive loading
12/10/2002US6491552 Electrical connection structure for electronic apparatus
12/06/2002CA2349785A1 Resonance dampening disclosure
12/05/2002WO2002098168A1 Transmitter/receiver
12/05/2002WO2002098167A2 Device and apparatus for use with a portable communications device
12/05/2002WO2002098166A1 A method of providing a hydrophobic layer and a condenser microphone having such a layer
12/05/2002WO2002003752A3 A directional microphone
12/05/2002US20020183586 Flexible transducer supports
12/05/2002US20020183014 Transceiver
12/05/2002US20020181729 Hearing enhancement communication link
12/05/2002US20020181728 Personal communications earpiece
12/05/2002US20020181727 Headphone having several speakers
12/05/2002US20020181725 Method of providing a hydrophobic layer and a condenser microphone having such a layer
12/05/2002US20020179366 Speaker assembly having baffle tube
12/05/2002US20020178736 Matching an acoustic driver to an acoustic load in an acoustic resonant system
12/05/2002DE10217249A1 Rucksack Backpack
12/05/2002DE10204780A1 Magnet fixing for inner ear hearing aid uses spring clamps to hammer bone is simple and secure
12/05/2002DE10124646A1 Loudspeaker housing has separate enclosure parts that can be removably attached to the loudspeaker housing
12/04/2002EP1263261A1 Microphone with arm
12/04/2002EP1262160A2 Ultrasonic wave cosmetic device
12/04/2002EP1262087A1 Multi-channel headphones
12/04/2002EP1261962A1 A method of improving the audibility of sound from a loudspeaker located close to an ear
12/04/2002CN2524463Y Prestressed metal loudspeaker
12/04/2002CN2524462Y Multifunctional earphones
12/04/2002CN1383699A Passive radiator having mass elements
12/04/2002CN1383360A Garment with removable electronic devices
12/04/2002CN1383346A Loudspeaker system
12/04/2002CN1383310A Holding-free telephone perimitting sound leakage
12/04/2002CN1095622C Antiepidemic sterilizing microphone
12/03/2002US6490362 External ear speaker ear-hook boom microphone
12/03/2002US6490361 Apparatus having a housing which accommodates a sound transducer and which has a passage
12/03/2002US6490351 Telephone handset sterilizer method and apparatus
12/03/2002US6487771 Method for manufacturing speaker bottom yoke
11/2002
11/28/2002WO2002096152A1 Spa audio system operable with a remote control
11/28/2002WO2002095997A2 Stand base having modified hexagonal configuration or anti-rotation feature, or both
11/28/2002WO2002095936A1 Audio output amplifier
11/28/2002WO2002084982A9 Radio/telephone ear-piece
11/28/2002US20020177792 Ultrasonic wave cosmetic device
11/28/2002US20020175600 Pressure-balanced underwater acoustic transducer
11/28/2002US20020175261 Stand assembly having anti-rotation feature
11/28/2002US20020175260 Stand base having modified hexagonal configuration