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)
09/2003
09/09/2003US6618488 Speaker system
09/09/2003US6618487 Electro-dynamic exciter
09/09/2003US6618206 System and method for acoustic imaging at two focal lengths with a single lens
09/09/2003US6617966 Compound acoustic actuator drive circuit and portable information terminal
09/09/2003US6615674 Clamp-on ultrasonic flowmeter
09/04/2003WO2003073790A1 Voice detection and discrimination apparatus and method
09/04/2003WO2003073785A1 Flat loudspeaker for the whole acoustical frequention spectrum
09/04/2003WO2003072623A2 Soft molding compound
09/04/2003WO2003013183A3 Improvements in acoustic enclosures
09/04/2003WO2002091794A3 Two-way communication device
09/04/2003US20030165252 Contacting arrangement for an electroacoustic microphone transducer
09/04/2003US20030165251 Pressure-gradient microphone capsule
09/04/2003US20030165246 Voice detection and discrimination apparatus and method
09/04/2003US20030165244 Orientation adjusting apparatus for speakers
09/04/2003US20030165243 Earphone with control device of timing call setting
09/04/2003US20030164263 Speaker assembly
09/04/2003CA2420528A1 Fully collapsible headset
09/03/2003EP1341162A1 Electric apparatus, in particular fume extracting hood
09/03/2003EP1340406A1 Earphone system for mobile phone
09/03/2003EP0806922B1 Earmuff
09/03/2003CN2571096Y Multipurpose multi-track headset plug
09/03/2003CN2571093Y Speaker with rounded corners
09/02/2003US6614913 Vehicle speaker pod
09/02/2003US6614911 Microphone assembly having a windscreen of high acoustic resistivity and/or hydrophobic material
09/02/2003US6614722 System for housing an audio system in an aquatic environment
09/02/2003US6614579 Proximity switch and vehicle rearview mirror assembly incorporating the same and having a transparent housing
09/02/2003US6613267 Method for manufacturing a holder
09/02/2003US6612935 Apparatus for generating light effects
09/02/2003US6612534 Stand assembly having anti-rotation feature
09/02/2003US6611963 Wire band earmuff
09/01/2003CA2374299A1 Modular microphone array for surround sound recording
08/2003
08/28/2003WO2003071833A1 Method for securing a headset
08/28/2003WO2003071831A1 Method for aligning frequency response of passive radiator loudspeaker system and passive radiator implementing this method
08/28/2003WO2003071830A1 Headphones
08/28/2003WO2003071829A1 Rapidly optimized wireless microphone system and method for controlling thereof
08/28/2003WO2003071827A2 Compact surround-sound system
08/28/2003WO2003034780A3 Signal processing device for acoustic transducer array
08/28/2003WO2003032817A3 Acoustically generated images having selected components
08/28/2003WO2003030772A3 A microphone module for use with a hearing aid or cochlear implant system
08/28/2003WO2002082856A3 Loudspeaker and method of making same
08/28/2003WO2002052889A3 A vented loudspeaker enclosure with limited driver radiation
08/28/2003US20030163326 Electrical appliance, in particular, a ventilator hood
08/28/2003US20030163172 Power efficient electrical stimulation
08/28/2003US20030162527 System for securing data on a data carrier
08/28/2003US20030161495 Acoustic structures
08/28/2003US20030161494 Acoustic transducer for broad-band loudspeakers or headphones
08/28/2003US20030159197 Headphone earmuffs
08/28/2003DE20214543U1 Sound radiator unit comprises a bell-shaped housing with a light-weight structure of glass fiber reinforced material and a high-performance sound radiator element
08/27/2003EP1339255A2 Smoke extracting hood for microphone
08/27/2003EP1339204A1 Contact device for electrostatic microphone
08/27/2003EP1338172A1 Headphone accessory
08/27/2003EP1337351A1 Surface with varying electrical or magnetic properties
08/27/2003EP1174001B1 Bending- wave panel loudspeakers
08/27/2003EP1044584A4 Mechanical acoustic crossover network and transducer therefor
08/27/2003CN2569476Y Flower vase type speaker box
08/27/2003CN2569288Y Lovers hearing device of portable audio/video recover player
08/27/2003CN1438818A Pointsound-source spiral-casing sound box and its making method thereof
08/27/2003CN1438817A Water-proof electroaoustic transducer and portable electronic device fitted with same
08/27/2003CN1438816A Spiral acoustical wave-guide type electroacoustical inverting system
08/27/2003CN1119737C Notebook personal computer having speaker cover structure
08/26/2003US6611604 Ultra low frequency transducer and loud speaker comprising same
08/26/2003US6610237 Method of making a loudspeaker drive unit having a resiliently suspended panel-form member
08/26/2003US6609686 Adjustable support apparatus
08/26/2003US6609589 Speaker enclosure and mounting method for isolating and insulating faceplate and heavy speakers from surrounding mounting surface
08/21/2003WO2003069952A1 Acoustic transducer
08/21/2003WO2003069951A1 Ear clasp headset
08/21/2003WO2003069950A1 Card sound device and electronic apparatus having same
08/21/2003WO2003069594A2 Surface acoustic antenna for submarines
08/21/2003WO2002091793A3 Electronic unit comprising a loudspeaker device
08/21/2003WO2002028140A3 Second order microphone array
08/21/2003WO2002007476A3 Apparatus and methods for sound reproduction and recording
08/21/2003US20030157965 Reception system for multisensor antenna
08/21/2003US20030156730 Structure of earphone hanger
08/21/2003US20030156729 Method for securing a headset
08/21/2003US20030156722 Ear level noise rejection voice pickup method and apparatus
08/21/2003US20030156710 Sound-transmitting apparatus
08/21/2003US20030155473 Folding speaker bracket
08/21/2003US20030155292 Filter
08/21/2003DE10220536C1 Installation of a vehicle loudspeaker has a one-piece foam unit, attached to a fixed structure, with an opening to hold the loudspeaker with vibration and acoustic damping
08/21/2003DE10216965C1 Loudspeaker box has bass, medium tone and HF loudspeakers stacked along vertical axis with base of medium tone loudspeaker housing lying in plane of outer edge of bass loudspeaker membrane
08/21/2003CA2475692A1 Surface acoustic antenna for submarines
08/20/2003EP1336320A1 Bone conduction vibrator
08/20/2003EP1335669A2 Ultrasound transducer unit and planar ultrasound lens
08/20/2003CN2567896Y Stand for microphone
08/20/2003CN2567895Y Loudspeaker with laser shake film
08/20/2003CN2567894Y Improved structure of earphone socket
08/20/2003CN1437425A Radio earphone assembly of mobile phone
08/20/2003CN1437068A Portable pickup camera capable of obtaining unit combination with multi-sound
08/20/2003CN1119019C Loudspeaker shell for video display device
08/20/2003CN1118793C Radiating device
08/19/2003US6608908 Electroacoustic communication device for use on protective headgear
08/19/2003US6607491 Ultrasonic probe
08/19/2003US6607051 Yoke structure of a speaker diaphragm
08/14/2003WO2003067923A2 Transducer motor/generator assembly
08/14/2003WO2003022002A3 Textured surfaces for hearing instruments
08/14/2003WO2002058733B1 Combinations of bile acid sequestrant(s) and sterol absorption inhibitor(s) and treatments for vascular indications
08/14/2003WO2002058432A3 Acoustic source localization system and method
08/14/2003US20030153205 Audio jack
08/14/2003US20030152245 Chair equipped with a speaker
08/14/2003US20030152244 High comfort sound delivery system
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