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)
08/2005
08/18/2005US20050180592 Acoustic apparatus
08/18/2005US20050180591 Speaker
08/18/2005US20050180590 Loudspeaker with field replaceable parts and method of assembly
08/18/2005US20050180588 Transducer with deformable corner
08/18/2005US20050180587 Equalizable active electroacoustic device for panels, and method of converting the panels and assembling the devices
08/18/2005US20050180577 Loudspeaker array system
08/18/2005US20050179813 Camera and electronic apparatus
08/18/2005US20050178611 Low frequency loudspecker enclosure with configurable directivity
08/18/2005DE4308961B4 Aktives, akustisch wirksames Wandelement mit vorgebbarer akustischer Impedanz Active, acoustically effective wall element with arbitrary acoustic impedance
08/18/2005DE202005008790U1 Sound damping and absorbing system, mainly of herbal fibres, for incorporation into loudspeaker boxes etc., forming single- or multi-layer fibre felt by thermal fusion
08/18/2005DE202005007727U1 (De)coupling equipment for mechanically joining various vibration sensitive gear, e.g. electronic appliances, amplifiers, measuring, testing, control apparatus and loudspeakers with at least three feet to support
08/18/2005DE102005003829A1 Ultrasonic sensor used with optical-axis adjustment apparatus for head lamp of vehicle, has heater with internal equipment or heater sheet, mounted on bottom face of bottom case accommodating sensor elements
08/18/2005DE102004010867B3 Matching phases of microphones of hearing aid directional microphone involves matching second signal level to first by varying transition time of output signal from microphone without taking into account sound source position information
08/18/2005DE102004005031A1 Receiver for a wireless microphone system picks up microphone signals for processing via an antenna with a local oscillator device and a tuner
08/18/2005DE102004002957A1 Loud speaker system for a vehicle having the bass reflex tube opening into a sound chamber in the vehicle door
08/17/2005EP1565034A1 Packaged digital microphone device with auxiliary line-in function
08/17/2005EP1565033A1 Loudspeaker with a magnetic circuit arranged at front side of diaphragm and a crossover network element behind the membrane and attached to the frame
08/17/2005EP1564980A1 Acoustic echo canceller
08/17/2005EP1564970A1 Electro-acoustic transducer for a portable communication device
08/17/2005EP1563709A1 Dynamic micro speaker with dual suspension
08/17/2005EP1563708A1 A headset
08/17/2005EP1563707A1 Bone vibrating speaker using the diaphragm and mobile phone thereby
08/17/2005EP1563706A2 A high intensity directional electroacoustic sound generating system for communications targeting
08/17/2005EP1355845A4 Headset docking device
08/17/2005EP1084590B1 Folded sagnac sensor array
08/17/2005EP0983711B1 Wireless open ear canal earpiece
08/17/2005CN2718926Y Loudspeaker box
08/17/2005CN2718925Y Bluetooth radio earphone set
08/17/2005CN2718924Y Multimedia microphone apparatus
08/17/2005CN2718923Y Loudspeaker box
08/17/2005CN1656849A Bone conductive speaker
08/17/2005CN1656781A Portable telephone with bone conduction speaker
08/17/2005CN1655646A Sound pickup apparatus and method of the same
08/17/2005CN1655645A Loudspeaker and apparatus using loudspeaker
08/17/2005CN1655566A Oriented microphone device of mobile phone
08/17/2005CN1215734C Receiving unit of terminal device
08/16/2005US6931143 Thin enclosure electroacoustical transducing
08/16/2005US6931142 Insert earphone
08/16/2005US6931138 Zoom microphone device
08/16/2005US6931136 Infrared emitter
08/16/2005US6929091 Planar diaphragm loudspeaker and related methods
08/11/2005WO2005074319A1 Holder kit for directional condenser microphone
08/11/2005WO2005074317A1 Microphone aperture
08/11/2005WO2005073073A1 Mouth mask for underwater communication
08/11/2005WO2005072349A2 Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems
08/11/2005US20050177343 Method and apparatus for forming a pattern, device and electronic apparatus
08/11/2005US20050176476 Electronic equipment
08/11/2005US20050176459 Portable telephone with bone conduction speaker
08/11/2005US20050175212 Speaker apparatus
08/11/2005US20050175211 Gasket and speaker apparatus
08/11/2005US20050175210 Color illuminating earphone
08/11/2005US20050175209 Integrated Speaker Device
08/11/2005US20050175208 Audio speaker system employing an annular gasket separating a horn waveguide from a sound reproducing membrane
08/11/2005US20050175207 Audio speaker system employing an axi-symmetrical horn with wide dispersion angle characteristics over an extended frequency range
08/11/2005US20050175206 Loudspeaker assembly having a folded bifurcated vent tube
08/11/2005US20050175205 Oval speaker apparatus and method of manufacturing the same
08/11/2005US20050175197 Audio reproduction system and method for reproducing an audio signal
08/11/2005US20050175190 Self-descriptive microphone array
08/11/2005US20050175188 Multimedia microphone device
08/11/2005DE202005007952U1 Lamp, with a bulb for controlled illumination, has an acoustic unit in the base with a loudspeaker linked to a transmitter to emit received sound signals to give light and sound
08/11/2005DE202004020473U1 Oscillatory/vibratory body for panel-form loudspeaker system, uses part-zone of coupling region for coupling-in differentiated signal component
08/11/2005DE102004029865B3 Motor vehicle interior cladding has panel with at least two mounting positions at defined angle apart, arranged at defined position from cladding part in first mounting position, directly contacting it in second position
08/11/2005DE102004003311A1 Acoustic system e.g. for room and stage public-address, has two oscillators mounted on common axle and movable relative to one another
08/10/2005EP1562399A2 Pair of hearing-aids with right-left identification for impaired individuals
08/10/2005EP1562397A1 Electroacoustic transducer with vibration function and its manufacturing method
08/10/2005CN2717151Y Underwater voice broadcast and word display device
08/10/2005CN2717150Y Light-emitting speaker
08/10/2005CN2717149Y Mobile phone microphone and earphone combination apparatus
08/10/2005CN2717148Y Protected hand-held loudspeaker
08/10/2005CN2717120Y Vehicle-mounted telephone with integrated onboard audio system
08/10/2005CN2716965Y Sound pickup device for percussion instrument
08/10/2005CN1653848A Bass reflex type speaker device, mounting structure and mounting method for speaker device
08/10/2005CN1652636A Electro-acoustic transducer
08/10/2005CN1652635A 扬声器设备 Speaker Equipment
08/10/2005CN1651936A Optical fibre cable towing rectifier
08/10/2005CN1214692C Earpiece without impulse and high frequency noise
08/09/2005US6928176 Switching circuit built in IC for earphone and loudspeaker of portable information device
08/09/2005US6928174 Microphone structure
08/09/2005US6928173 Capacitor microphone
08/09/2005US6927373 Cooking apparatus equipped with audio player
08/04/2005WO2005072011A1 Device having a point and a spatial sound generating-means for providing stereo sound sensation over a large area
08/04/2005WO2005072005A1 Speaker with externally-mounted acoustic extension
08/04/2005WO2005072004A1 Molded earpiece assembly for auditory testing
08/04/2005WO2005070070A2 Ear wrap headphone or headset with ornamental object
08/04/2005US20050169494 Thermal chimney equipped audio speaker cabinet
08/04/2005US20050169493 Loudspeaker array system
08/04/2005US20050169489 Wind-shielded acoustic sensor
08/04/2005US20050168958 Portable electronic device including an acoustic chamber
08/04/2005US20050167187 Speaker apparatus and manufacturing method of speaker apparatus
08/04/2005DE102004063219A1 Schallwandler zur Verwendung an einem Rohrteil und Verfahren zum Anbringen eines Schallwandlers an einem Rohrteil Transducer for use on a pipe portion and method of mounting a transducer on a pipe part
08/03/2005EP1560461A1 Integrated hearing aid
08/03/2005EP1560460A1 Linear array loudspeaker and method for positioning of transducers
08/03/2005EP1560459A2 Device for the protection of the membrane of loudspeakers
08/03/2005EP1559295A1 Apparatus for increasing the quality of sound from an acoustic source
08/03/2005EP1055351B1 Acoustic device comprising a panel member relying on bending wave action
08/03/2005EP0776591B1 Ported loudspeaker system and method with reduced air turbulence
08/03/2005CN2715445Y A pillow shape ear phone and microphone
08/03/2005CN2714023Y Earplug and device applied said earplug
08/03/2005CN1650602A Apparatus and system for providing wideband voice quality in a wireless telephone
08/03/2005CN1650601A Electronic equipment
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