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)
11/2000
11/29/2000CN1275300A Miniature full range loudspeaker
11/29/2000CN1275044A Loudspeaker
11/29/2000CN1275015A Ear microphone
11/28/2000US6154555 Recessed audio speaker system
11/28/2000US6154554 Microphone
11/28/2000US6154553 Sound bubble structures for sound reproducing arrays
11/28/2000US6154539 Headset adapter for microphone and earpiece
11/28/2000US6152257 Audio speaker
11/23/2000WO2000070908A2 Bending wave loudspeakers
11/23/2000WO2000070907A1 Electronic devices using earphones and wireless earphones
11/23/2000WO2000070906A1 Loudspeaker assembly
11/23/2000WO2000070843A1 A housing for a transmitter/receiver, a transmitter/receiver and a method of its assembly
11/23/2000WO2000069341A1 Instrument for medical purposes
11/23/2000WO2000048427A3 Method and system of compensating for boundary effects on a primary sound source
11/23/2000WO2000045615A3 Apparatus having a housing which accommodates a sound transducer and which has a passage
11/23/2000WO2000038474A3 Low-frequency diaphragm speaker
11/23/2000DE19926603C1 Loudspeaker device for automobile passenger compartment has sealing foil applied to inside of carrier wall and inside of loudspeaker mounting flange in end position of loudspeaker
11/23/2000DE19922056A1 Medical instrument for internal examinations using ultrasonic or electromagnetic transducers, has drive connected to transducer at remote end of instrument so that it can be rotated
11/23/2000CA2371489A1 Electronic devices using earphones and wireless earphones
11/22/2000EP1053541A1 Decorative speaker cover
11/22/2000CN1274513A Anti-noise-electret pick-up
11/22/2000CN1274253A Head clips for direction reversible fixed earphone
11/21/2000US6151402 Vibration transducers
11/21/2000US6151399 Directional microphone system providing for ease of assembly and disassembly
11/21/2000US6149114 Mounting device for attaching a microphone to a musical instrument
11/21/2000US6148953 Loudspeaker component and resin composition therefor
11/21/2000US6148821 Selective nonlinear attenuating earplug
11/21/2000US6148566 Corner panel assembly
11/16/2000WO2000069215A2 Bone conduction voice transmission apparatus and system
11/16/2000WO2000069213A2 Sounders for fire alarm systems
11/16/2000WO2000069212A1 Small electronic articles for personal use
11/16/2000CA2369392A1 Sounders for fire alarm systems
11/15/2000EP1052879A2 Flat element
11/15/2000EP1052829A2 Headband for reversible mounting of headsets
11/15/2000EP1020095A4 Sound-transmitting amusement device and method
11/15/2000CN2406432Y Multifunction wireless microphone and earphone device
11/14/2000US6148089 Unidirectional microphone
11/14/2000US6148088 Speaker system
11/14/2000US6147594 Method and apparatus for conveying audiovisual information
11/14/2000US6145186 Wafer fabricated electroacoustic transducer
11/14/2000CA2308364A1 Headband for reversible mounting of headsets
11/09/2000WO2000067524A2 Bending wave loudspeakers
11/09/2000WO2000067522A2 Reflexion-type loudspeaker system
11/09/2000WO2000067521A1 Headset
11/09/2000WO2000067476A1 Housing having a loudspeaker system
11/09/2000DE19830947C2 Basslautsprecheranordnung Bass speaker assembly
11/08/2000EP1050191A1 Thin loudspeaker
11/08/2000EP1050188A2 Auxiliary bass radiator units
11/08/2000CN2405388Y Multi sound track type around sound box
11/08/2000CN1272753A Receiver of TV set
11/07/2000US6144752 Speaker cabinet apparatus
11/07/2000US6144751 Concentrically aligned speaker enclosure
11/07/2000US6144746 Loudspeakers comprising panel-form acoustic radiating elements
11/07/2000US6142254 Decorative speaker cover
11/02/2000WO2000065874A1 Sound reproduction employing unity summation aperture loudspeakers
11/02/2000WO2000065869A2 Bending-wave panel loudspeakers
11/02/2000WO2000065868A1 Speaker cover
11/02/2000EP1048187A2 Buffering cover for preventing pains in using earphones
11/02/2000EP1047986A1 Joystick with a microphone
11/01/2000CN1272037A Under water listening device for receiving sound wave or earthquake wave
10/2000
10/31/2000US6141429 Speaker
10/31/2000US6141428 Audio speaker system
10/31/2000US6141427 Bone-conduction speaker
10/31/2000US6138790 Band earplug adapted to prevent soiling
10/31/2000CA2188533C Industrial headset
10/26/2000WO2000064228A1 Compression molded cellulose (cmc) loudspeaker cabinets and method for making same
10/26/2000WO2000064217A1 Flat surface loudspeaker and method for operating the same
10/26/2000WO2000062688A1 Apparatus and method for tuning ultrasonic transducers
10/26/2000WO2000062678A1 Ultrasonic transducer with improved compressive loading
10/26/2000WO2000041734B1 Telephone handset sterilizer method and apparatus
10/26/2000DE19963978A1 Mehrfach-Dämpfungsvorrichtung für ein Lautsprechersystem einer Bildschirmeinrichtung Multiple-damping device for a speaker system of a screen device
10/26/2000DE19963976A1 Lautsprechersystem für einen Bildschirm Speaker system for a display screen
10/26/2000DE19917584A1 Flat panel loudspeaker operating method
10/26/2000CA2306678A1 Hydrophone for reception of acoustic or seismic waves
10/25/2000CN2403193Y Voice input/output single-socket interface circuit and single-plug earphone contg. Mike earphone
10/25/2000CN1271508A Resonant mode panel-loudspeakers
10/25/2000CN1271244A Multiple shock reducing device for loundspeaker device of video displayer
10/25/2000CN1271243A Loudspeaker device of displayer
10/24/2000US6137209 High power ultrasonic transducer
10/24/2000US6135339 Ultrasonic transducer with a flange for mounting on an ultrasonic welding device, in particular on a wire bonder
10/24/2000US6135236 Mounting plate for loudspeakers
10/19/2000WO2000062508A1 Telephone handset cover
10/19/2000WO2000035245A3 Waterproof housing cover for hospital bed
10/19/2000DE19912771A1 Elastic acoustic decoupler for electro-acoustic system contacting it at edge region, typically for loudspeaker
10/18/2000EP1045614A1 An anti-noise-electret pick-up
10/18/2000EP1044584A1 Mechanical acoustic crossover network and transducer therefor
10/18/2000EP1044582A1 Earpiece acoustics
10/18/2000EP1044581A1 Transducer assembly
10/18/2000EP1044548A1 Mobile telephone with a loudspeaker
10/18/2000CN1270473A Mechanical filter of audio sysetm and TV set with the same filters
10/18/2000CN1057657C Speaker system with an anion generator and television using the speaker system
10/17/2000US6134334 Directional microphone assembly
10/17/2000US6134332 Sound lens speaker system
10/12/2000WO2000060573A1 Systems and methods for passive pressure-compensation for acoustic transducers
10/11/2000EP1043879A2 Infrared transmission communication system
10/11/2000EP1042941A1 Loudspeaker arrangement
10/11/2000EP0786189B1 Movable boom mounting device
10/11/2000CN2400987Y Speaker height adjustable stand
10/11/2000CN1269958A Loudspeakers
10/11/2000CN1269912A Aerogels, Piezoelectric device and uses thereof
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