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)
12/2003
12/16/2003USRE38350 Global sound microphone system
12/16/2003US6665414 Speaker system and cooling device therefor
12/16/2003US6665413 Infrasonic Helmholtz resonator
12/16/2003US6665412 Speaker device
12/16/2003US6664713 Single chip device for voice communications
12/16/2003CA2236226C Flexible interlink for hydrophone array
12/11/2003WO2003103335A1 Headset
12/11/2003WO2003103334A1 An acoustically active element formed in a multi-layer circuit-board structure, a method for forming acoustically active element in a multi-layer circuit-board structure, and a multi-layer circuit-board structure
12/11/2003WO2003103018A2 Portable electronic apparatus
12/11/2003WO2003101302A1 Method of generating a predetermined wave field
12/11/2003US20030228843 Cellular phone that exposes the user's brain to much less microwave radiation than ordinary cellular phones with the help of a proxy (intermediary) device
12/11/2003US20030228036 Detection of viewing direction by microphone
12/11/2003US20030228028 Rotatable removeable speaker assembly
12/11/2003US20030228027 Sub-woofer with two passive radiators
12/11/2003US20030228023 Microphone and Voice Activity Detection (VAD) configurations for use with communication systems
12/11/2003US20030228022 Speaker for vehicle
12/11/2003US20030228021 Acoustic-signal emitting device for vehicles
12/11/2003US20030227824 Optical hydrophone and array using bubble resonance for detecting acoustic signals
12/11/2003US20030227225 Vibrating actuator device
12/11/2003US20030226712 Mounting structure of speaker for vehicle
12/10/2003EP1370111A2 Speaker for vehicle
12/10/2003EP1370110A1 Speaker device
12/10/2003EP1370109A2 Mounting structure of speaker for vehicle
12/10/2003EP1369005A2 Rigging system for loudspeakers
12/10/2003EP1368991A2 Method for establishing a binaural communication link and binaural hearing devices
12/10/2003EP1368989A2 Method for establishing a detachable mechanical and/or electrical connection
12/10/2003EP1368987A1 Enclosure and audio-visual apparatus comprising same
12/10/2003EP1368986A1 Method for modelling customised earpieces
12/10/2003EP1169687B1 A vibrator and a method of controlling a vibrator
12/10/2003EP0988771B1 Dipole speaker headrests
12/10/2003CN2591909Y Improved structure of fast assemblying loudspeaker box
12/10/2003CN2591908Y Visable loudspeaker body
12/10/2003CN2591907Y Active voice box utilizing electron amplifier
12/10/2003CN2591906Y High pitch loudspeaker horn
12/10/2003CN2591887Y Earphone
12/10/2003CN1461577A Direct coupling of waveguide to compression driver having matching slot shaped throats
12/10/2003CN1461531A 无线麦克风 Wireless Microphone
12/10/2003CN1461162A Audio device and vitrating motor combined structure for communication machine
12/09/2003US6661902 Loudspeaker with a front-mounted sealing element and method of manufacturing the same
12/09/2003US6661901 Ear terminal with microphone for natural voice rendition
12/09/2003US6661897 Transducer for sensing body sounds
12/09/2003US6661741 Optical hydrophone and array using bubble resonance for detecting acoustic signals
12/09/2003US6661161 Piezoelectric biological sound monitor with printed circuit board
12/09/2003US6659954 Micromachined ultrasound transducer and method for fabricating same
12/04/2003WO2003101149A1 An audio speaker damper with electrically conductive paths thereon to carry voice coil signals and a method therefore
12/04/2003WO2003101147A1 Improvements in loudspeakers
12/04/2003WO2003101146A1 Bone conductive speaker
12/04/2003WO2003101075A1 Portable telephone with bone conduction speaker
12/04/2003WO2003100876A2 Low acceleration sensitivity mounting structures for crystal resonators
12/04/2003WO2003059005A3 Digital loudspeaker system
12/04/2003WO2003015464A3 Directional audio signal processing using an oversampled filterbank
12/04/2003WO2002082858A3 Sound and vision system
12/04/2003US20030224838 Mask communication system
12/04/2003US20030224732 Wireless microphone information displaying apparatus and method thereof
12/04/2003US20030223611 Condenser microphone structure
12/04/2003US20030223610 Speaker system for an electronic device
12/04/2003US20030223598 Sound picking device for microphones
12/04/2003US20030223592 Microphone assembly with auxiliary analog input
12/04/2003DE20314991U1 Printed sheets such as those of a calendar have an electronic module that acts as an acoustic device playing back signals stored in memory when switch is operated
12/04/2003CA2487456A1 Portable telephone with bone conduction speaker
12/04/2003CA2487391A1 Bone conductive speaker
12/03/2003EP1367852A1 Sound picking device for microphones
12/03/2003EP1366489A1 Floor mat with voice-responsive display
12/03/2003EP1159852B1 Electronic apparatus incorporating a loudspeaker comprising a bending wave panel member
12/03/2003EP1080603B1 Apparatus having an electroacoustic transducer mounted on a p.c. board with the aid of a holding means
12/03/2003EP0959773B1 Ear tips having a plurality of ear contacting surfaces
12/03/2003CN2590321Y Speaker
12/03/2003CN2590316Y Multifunctional ear
12/03/2003CN2590315Y Hand-held wireless microphone
12/03/2003CN2590309Y Thin-type sound box system for large-screen panel display
12/03/2003CN1459995A Cylindrical acoustic horn
12/03/2003CN1130106C Multi function earphone telephone device
12/02/2003US6658132 Waterproof cover for housing in hospital bed containing speaker or electronic components
12/02/2003US6658131 Loudspeaker concealment system
12/02/2003US6658130 Receptacle for earphone cord
12/02/2003US6658129 Passive radiator having mass elements
12/02/2003US6658128 Horn loudspeaker
12/02/2003US6658127 Speaker system having an amplifying horn
12/02/2003US6658121 Headphone having an adjustable localization of auditory events
12/02/2003US6658110 Electroacoustic communications unit
12/02/2003US6654966 Fully collapsible headset
11/2003
11/27/2003WO2003098966A2 Bi-aural listenig device
11/27/2003WO2003098965A1 Stabilizing member of an earphone assembly
11/27/2003WO2003075604A3 Headphone
11/27/2003WO2003059006A3 Method of compensating the effects of undesired vibrations impinging an audio component and system therefor
11/27/2003WO2003009637A3 Articulated reversible headpiece
11/27/2003US20030219139 Directional loudspeaker unit
11/27/2003US20030219133 Sound masking system
11/27/2003US20030219116 Sanitary cover for a telephone handset
11/26/2003EP1365626A2 Speaker
11/26/2003EP1365624A1 Speaker
11/26/2003EP1364554A2 A vented loudspeaker enclosure with limited driver radiation
11/26/2003EP1364553A1 An acoustic device with means for being secured in a human ear
11/26/2003EP1363668A2 Combinations of bile acid sequestrant(s) and sterol absorption inhibitor(s) and treatments for vascular indications
11/26/2003CN2588664Y Earphone
11/26/2003CN1459212A 头戴式耳机 Headset
11/26/2003CN1459211A Boomless hearing/speaking configuration for sound receiving means
11/26/2003CN1459210A Cloth for covering opening i housing of electronic equipment
11/26/2003CN1459043A Display substrate with integrated acoustic transducer
11/25/2003US6654474 Arm-wear-type communication device
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