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)
03/2003
03/27/2003WO2003024625A1 Frequency and amplitude apodization of transducers
03/27/2003WO2002096152A9 Spa audio system operable with a remote control
03/27/2003US20030060715 Ultrasonic probe
03/27/2003US20030059079 Compound speaker for a portable communication device
03/27/2003US20030059078 Directional sensors for head-mounted contact microphones
03/27/2003US20030059077 Mounting structure of speaker box
03/27/2003US20030059071 Personal audio device with hearing protection
03/27/2003US20030059068 Electronic article comprising loudspeaker and touch pad
03/27/2003US20030059060 Microphone
03/27/2003US20030058611 Computer with built-in type speakers
03/27/2003US20030057294 Atomiser
03/27/2003US20030057068 Port Switch as for a hearing aid device
03/27/2003US20030057012 Microphone shroud and related method of use
03/27/2003CA2460658A1 A headphone
03/26/2003EP1296535A2 Compound speaker for a portable communication device
03/26/2003EP1296534A2 Modular bass array
03/26/2003EP1296533A2 Microphone holder having connector unit molded together with conductive strips
03/26/2003EP1295507A2 Method and apparatus for voice signal extraction
03/26/2003EP1294493A2 Capacitive micromachined ultrasonic transducers.
03/26/2003EP1294244A1 Garment with removable electronic devices
03/26/2003CN2542013Y Double-track loudspeaker box
03/26/2003CN2542012Y Multifunctional active loudspeaker box
03/26/2003CN1406449A Bone conduction speaker
03/25/2003US6537234 Vibration transducer
03/25/2003US6536554 Loudspeaker
03/25/2003CA2166608C Headphone assembly
03/20/2003WO2003024151A1 An electro-acoustic transducer with two diaphragms
03/20/2003WO2003024150A1 Passive and active escapement for sound resonance
03/20/2003WO2003023762A1 Multi-frequency acoustic vibration transmission method and system
03/20/2003US20030053981 Combinations of bile acid sequestrant(s) and sterol absorption inhibitor(s) and treatments for vascular indications
03/20/2003US20030053650 Earphone device for motorcycle rider and passenger
03/20/2003US20030053648 Modular bass arraying
03/20/2003US20030053644 Coincident source stereo speaker
03/20/2003US20030053643 Apparatus comprising a vibration component
03/20/2003US20030053642 Passenger vehicle
03/20/2003US20030053375 Underwater sound radiation apparatus
03/20/2003US20030051940 Loudspeaker drive units with flat surround
03/20/2003CA2459954A1 Passive and active escapement for sound resonance
03/20/2003CA2357522A1 Enhancement of acoustic wave sensor response by electrode modification
03/19/2003EP1294051A1 Component for radio communication terminal constituting an antenna, a loudspeaker and a ringing device
03/19/2003EP1293105A2 Electroacoustic transducer being acoustical tight in the area of its air gap for its moving coil
03/19/2003EP1166595A4 Geophone with mounted connectors
03/19/2003EP1084590A4 Folded sagnac sensor array
03/19/2003CN1404705A Device for fixing earphones and/or mini-microphones
03/19/2003CN1404341A Small size loudspeaker for mobile telephone
03/18/2003US6535610 Directional microphone utilizing spaced apart omni-directional microphones
03/18/2003US6535376 Wrist-carried information device
03/18/2003US6533063 Video equipment speaker device with acoustic lens
03/18/2003CA2669482A1 An entertainment system for a vehicle
03/13/2003WO2003022002A2 Textured surfaces for hearing instruments
03/13/2003WO2003022000A2 Interchangeable pivoting loudspeaker assembly with spring retained high frequency transducer
03/13/2003WO2003001842A3 Speaker port system for reducing boundary layer separation
03/13/2003US20030048918 Installing a high fidelity sound, voice paging, or music system by mounting an electrical to acoustic transducer inside a wall mounted gang box
03/13/2003US20030048917 Versatile speaker base
03/13/2003US20030048916 Earphone transfer coupling apparatus
03/13/2003US20030048915 Communication device using bone conduction
03/13/2003US20030048913 Bone-conduction transducer and bone-conduction speaker headset therewith
03/13/2003US20030048912 Light emitting loudspeaker cover
03/13/2003US20030048254 Wireless peripherals charged by electromagnetic induction
03/13/2003US20030047378 Speaker apparatus equipped with means for producing complicated waveform of low frequency with higher improved fidelity
03/13/2003DE20300215U1 Loudspeaker enclosure, comprises frame with sound-opening, sandwiched between transparent glass plates
03/13/2003CA2459385A1 Interchangeable pivoting loudspeaker assembly with spring retained high frequency transducer
03/12/2003EP1292170A2 Structure for preventing the generation of standing waves and a method for implementing the same
03/12/2003EP1290911A1 Acoustic transmission connection, headset with acoustic transmission connection, and uses of the acoustic transmission connection
03/12/2003EP1289798A1 Reversing alarm
03/12/2003EP0730804B1 Telephone communication headset
03/12/2003CN1402954A Speaker
03/12/2003CN1402952A Method and apparatus to direct sound
03/12/2003CN1402591A Voice modulating talking system and headphone therefor
03/12/2003CN1402146A Portable information terminal unit
03/11/2003US6532292 Method and apparatus to transmit audio into the human ear
03/06/2003WO2003019982A2 Ear coupler
03/06/2003WO2003019980A1 Headphone device
03/06/2003WO2003019979A1 Structure for securing vibration exciter and member for securing vibration exciter
03/06/2003WO2003019978A2 Bass reflex-type headphone
03/06/2003WO2003019977A2 Supporter for headphone
03/06/2003WO2003018365A1 Device and method for installing vehicle door speaker
03/06/2003WO2001065888A9 A system for accommodating primary and secondary audio signal
03/06/2003US20030044040 Compact speaker for portable phone
03/06/2003US20030044039 Interchangeable pivoting loudspeaker assembly with spring retained high frequency transducer
03/06/2003US20030044038 Earphone
03/06/2003US20030044036 Textured surfaces fo hearing instruments
03/06/2003US20030044029 Method and apparatus for reconstruction of soundwaves from digital signals
03/06/2003US20030042068 Structure for preventing the generation of standing waves and a method for implementing the same
03/05/2003EP1289247A2 System and method of indicating and controlling sound pickup direction and location in a teleconferencing system
03/05/2003EP1287622A2 Earphones and microphone (personal speaking device) that do not transmit or emit microwave radiation or any other dangerous radiation
03/05/2003CN2539373Y Ceramic loudspeaker box
03/05/2003CN2539367Y Vase-type heavy bass loudspeaker box
03/05/2003CN2539366Y Lamp ornament loudspeaker box
03/05/2003CN1401202A Planar loudspeaker
03/05/2003CN1400847A Sound reproducer
03/05/2003CN1400677A Piezoelectric element and oscillating converter with piezoelectric element
03/04/2003US6529611 Multifunction acoustic device
03/04/2003US6529444 Folded sagnac sensor array
03/04/2003US6528708 Exterior structure for electronic keyboard instrument
03/04/2003US6527559 Human sized manikin for training of auscultation
03/04/2003US6527237 Crossbar bracket assembly for speakers and monitors
03/04/2003US6527080 Passive system for speech enhancement
03/04/2003US6526635 Cord clip
02/2003
02/28/2003CA2394273A1 System and method of indicating and controlling sound pickup direction and location in a teleconferencing system
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