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Class 381/354 - Absorbing or attenuating element

Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter wherein undesired sound intensity or vibration
No. of patents: 149
Last issue date: 09/04/2012

NumberTitleIssue Date
8259982Reducing acoustic coupling to microphone on printed circuit board
A mobile computing device comprises a printed circuit board, a processing circuit, a surface mount microphone, and a vibration attenuation portion. The processing circuit is disposed on a first portion of the printed circuit board. The surface mount microphone is di...
8259983Anti-vibration in-ceiling speaker system
Disclosed is a speaker system for installation within a ceiling, wall, or other structure. The speaker system includes at least one pair of woofers housed by a woofer housing. The two woofers of each pair are oppositely arranged relative to one another so that the v...
8247930Acoustic exciter and speaker using it
An acoustic exciter comprises a suspension made of an elastic material, which is coupled to the opening part of a frame, and a vibrator to which a voice coil disposed in the magnetic gap of a magnetic circuit connected to the suspension is coupled. An elastic body i...
8194906Antenna and speaker assembly and wireless communication device
Disclosed is an antenna-speaker assembly, including an antenna unit including a radiator, a speaker unit including a speaker and coupled to the antenna unit, and a sound-absorbing part formed to conform to a circumference of a coupling surface of the antenna unit an...
8098869Loudspeaker damper, manufacturing method thereof, and loudspeaker and electronic device using the same
A loudspeaker damper, a manufacturing method thereof, and a loudspeaker, electronic equipment and device using the loudspeaker damper. The damper has flexibility. Therefore, even if a large input is applied and the damper oscillates with a large amplitude, a resin l...
7961900Communication device with single output audio transducer
A communication device 100 includes a first audio output 105; a second audio output 110; an audio transducer 115 for dual mode use; a shuttered acoustic path 120 coupled between the audio transducer 115 and the first audio o...
7953240Loudspeaker apparatus
A loudspeaker apparatus comprises a housing, an adsorptive material provided inside the housing, for physically adsorbing gas inside the housing, a vibration section including a diaphragm and provided in an opening formed in the housing, a drive section for driving ...
7844068Wall mounted speaker system, apparatus and method
A wall mounted speaker system which is arranged to alleviate problems of unwanted noise in the production and transmission of audio waves, particularly in the lower wave lengths from 20 to 200 hz. There is a speaker unit having a pair of vertically spaced speakers, ...
7783069Ergonomic performance chamber
The ergonomic performance chamber 50 improves audio production efficiency for recording vocals or other sound sources with a microphone. The basic embodiment features an openable, lightweight, easily portative, molded flexible plastic, elemental structure ...
7368852Electrically conductive matching layers and methods
Matching layers are provided, including: electrically conductive acoustic matching layers, methods for conducting electric current through matching layers, methods for manufacturing multi-dimensional arrays using conductive matching layers, and multi-dimensional arr...
7353907Speaker enclosure for a wall mounted speaker system
7322737Connector management structure with channel
A structure for permitting connectors to be passed through a support from back to front is herein disclosed. The structure includes a channel formed in the support from a rear surface to a front surface. A connector passed through the channel may be coupled to a ter...
7302075Electronic device with loudspeaker
An electronic device such as a TV set has a casing (11), a loudspeaker unit (18, 24), a first surface (21) of which faces a wall (11) of the casing. Retaining means (17) are formed in the casing so as to face a second surface (2...
7270215Loudspeaker enclosure with damping material laminated within internal shearing brace
7263387Speaker module design
A speaker module (200) having a speaker unit (210) and a speaker box (220) is provided. The speaker module is mounted in a casing (22) of a hand-held electronic device (20). The speaker box (220) has a wall defining an apert...
7212644Resonant frequency adjustment using tunable damping rods
A mechanical device is tuned using a tunable damping rod. The tunable damping rod can have its tension increased between its respective engines, to in order to increase the resonant frequency of the mechanical device. Different aspects may also be included; the mech...
7181039Thermal chimney equipped audio speaker cabinet
A thermally conductive chimney tube extends through a loudspeaker cabinet that encloses a volume of air heated by a speaker driver. The open ends of the chimney are outside the cabinet. A column of air within the chimney is in contact with the external ambient air, ...
7162048Structure around a speaker unit and applied electric or electronic apparatus thereof
A compact lightweight speaker system without a resonance box that can reproduce the original sound with high fidelity. A speaker unit is located on a baffle board with a vibration absorbing member between a frame of the speaker unit and the baffle board. Furthermore...
7155021Loudspeaker having an acoustic panel and an electrical driver
A panel-shaped loudspeaker comprising a panel (1) having a first main surface (1A) and a second main surface (1B) parallel to the first main surface and further comprising an exciter (3) positioned at the first main surface. When the exci...
7123735Method and apparatus to increase acoustic separation
A method and apparatus for reducing the acoustic coupling between a sound receiving transducer and a sound transmitting transducer is disclosed. A housing, wherein the receiving transducer and the transmitting transducer are mounted, is provided to increase the acou...
7113607Low frequency feedback controlled audio system
The present invention provides a feedback-controlled audio system. A single internal pressure-sensitive detector is used as the sensor. The primary radiator is mounted facing inward to minimize acoustical delay from the speaker. The present invention also provides a...
7111706Enclosure and audio-visual apparatus comprising same
The acoustic enclosure comprises a box, on which is mounted at least one electro-acoustic transducer, and a vent which together with the box produces a bass-reflex system with a specified bass-reflex resonant frequency. The vent comprises means of attenuation at the...
A speaker 300 is formed using a plate such as a mobile phone display window 310 as a vibrating element. At least two dynamic actuators 950 are positioned behind the edges of the window 310 to actuate the window 310 through its boun...
7088830Parametric ring emitter
A sound emitting device for providing at least one new sonic or subsonic frequency as a by-product of emitting a waveform of at least two ultrasonic frequencies whose difference in value corresponds to the desired new sonic or subsonic frequency. The device includes...
7062051Acoustic device
A method of improving the modal resonance frequency distribution of a panel (2) for a distribution resonant mode bending wave acoustic device involves analysing the distribution of the modal resonance frequencies of the panel, identifying a modal resonance fr...
7062064Flat panel loudspeaker arrangement
A flat panel loudspeaker arrangement with several panel loudspeakers of similar construction is disclosed. The panel loudspeakers are arranged seamlessly side-by-side and are rigidly connected with one another along their respective edges with a high shear strength....
7057314Electromagnetic motor system capable of removing heat away from its magnetic gap
An electromagnetic drive motor assembly (EDMA) has at least one bridge that extends along a radial direction to conduct heat away from the magnetic gap and towards the outer surface of the EDMA. The EDMA includes a conductive ring between a first plate and a second ...
7035419Anti-resonant structure for speakers
An anti-resonant structure for speakers includes a resonant structure which has a housing compartment, at least one elastic element located in the housing compartment that has one end fastening to the resonant structure and another end coupling with a speaker, and a...
7021419Speaker system
A small-sized speaker system having a very excellent bass-range reproduction capability includes a sound radiation component for guiding acoustic waves radiated from the speaker units to a free space by causing a larger degree of air compression and expansion than i...
7013017Microphone capsule support
A microphone capsule support in which the microphone capsule is mounted elastically in a microphone housing using two annular diaphragms. The capsule is connected through the annular diaphragms to a bearing bushing and a cover is connected to the bearing bushing at ...
7012345Electromagnetic motor with flux stabilization ring, saturation tips, and radiator
The present invention provides an electromagnetic drive motor assembly (EDMA) that has an inner flux return assembly formed from an upper pole piece and a lower pole piece oppositely disposed relative to each other along the center of the EDMA. An annularly position...
6954666Method for local reduction of the operating noise produced by a medical diagnostic or therapy device, and medical diagnostic or therapy device having a device for implementing such a method
In a method for local reduction of the operating noise produced by a medical diagnostic or therapy device, antisound is produced locally by a sound source. The sound source used is a highly directional parametric loudspeaker. As a result, disturbing operating noises...
6944311Speaker for vehicle
A speaker for vehicle has a weight mounted on the backside of a magnetic circuit of a speaker unit. The weight includes a weighting part having a shape in which the thickness in an axial line of the speaker unit is made small and the diameter in a direction perpendi...
6904157Structure around a speaker unit and applied electric or electronic apparatus thereof
6870941Dipole radiating dynamic speaker
A dipole radiating dynamic speaker design comprises a diaphragm (32) providing a surface for radiating acoustic output, a voice coil assembly (36) for driving the diaphragm, and a magnet system for providing magnetic flux across the voice coil assembly...
6798891Speaker system
A small-sized speaker system having extremely excellent bass range reproduction capability comprises a speaker unit provided in a closed box and a sound guide through which sound radiated from the speaker unit is guided into the free space so as to cause compression...
6751330Speaker system
A driver unit is fixed to a stand. A front box and a rear box are directly fitted to the stand through a buffer material. A box comes into contact with the driver unit through a buffer material and is fixed to the stand. Therefore, sound of the driver unit is not tr...
6744903Multiple damping device of speaker system for video display equipment
Disclosed is a multiple damping device of a speaker system for a video display equipment which is capable of having an improved multiple damping structure in the speaker system to thereby achieve a low howling and a high quality of sound. The multiple damping device...
6704425System and method to enhance reproduction of sub-bass frequencies
A bass reflex loudspeaker system capable of optimized sub-bass (
6665412Speaker device
The present invention relates to a speaker device or the like capable of stably providing desired directivity provided by a combination of omnidirectionality and bidirectionality down to ultra low frequencies. A speaker (22) is attached to one end face of...
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