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Document Title |
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7575095 |
Speaker
A speaker includes a housing; a support assembly installed on the lower end of the housing to support the housing; at least one first speaker unit installed in the housing to reproduce a sound...
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7571553 |
Control user interface for laundry appliances
A control user interface for laundry appliances, such as a clothes dryer or washing machine, enables a user to control multiple modes of operation and a variable associated with at least one mode...
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7545946 |
Method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges
A method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges provides a low cost alternative to present external surround array systems. The...
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7489787 |
Spa audio system
A portable spa including an audio system designed to use the spa shell as the sound generating device. Transducer devices are mounted within an enclosure which is bonded to the spa shell so as...
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7477752 |
Loudspeaker system
A loudspeaker system with three loudspeakers (LF, LR, LB), includes a first and a second amplifier (BF, BR), each of which amplifies a channel of an audio signal. The outputs of the amplifiers...
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7426278 |
Sound device provided with a geometric and electronic radiation control
A sound device for carrying out a homogenous sound cover for a public addressed area includes an electroacoustic source network ( 1 ), wherein each electroacoustic source ( 1 ) diffuses a version...
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7260228 |
Optimum driver spacing for a line array with a minimum number of radiating elements
The loudspeaker has a first pair of drivers arranged in a line, a center point along the line, wherein the pair of drivers are substantially centered about the center point with a center to center...
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7218240 |
Synthetically generated sound cues
Communication systems and apparatus to allow a user to perceive the relative spatial location or present position of other elements of interest in a control space, such as the location of a speaker...
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7191022 |
Public addressing system
A sound-amplification apparatus comprises: an acoustic signal source for outputting an acoustic signal; an amplified sound source for receiving the acoustic signal from the acoustic signal source...
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7139402 |
Sound reproduction device
A sound reproduction device of the present invention includes: a first loudspeaker; a second loudspeaker; a first loudspeaker drive section for driving the first and second loudspeakers, the first...
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7069061 |
Speaker assemblies and mobile terminals including the same
Mobile terminals include a housing, an electronic circuit and a speaker assembly positioned in the housing. The speaker assembly includes a first speaker positioned adjacent a first side of the...
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7039206 |
Dual diaphragm speaker
A dual diaphragm speaker comprising first and second diaphragms operating in accordance with the piezoelectric effect, the diaphragms being arranged to be driven in opposite phase with respect to...
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6985593 |
Baffle vibration reducing
A vibration reducing apparatus comprising, a baffle subject to vibration, a first electroacoustical transducer characterized by a first mass seated in the baffle, a second electromechanical...
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6850623 |
Parametric loudspeaker with improved phase characteristics
A parametric loudspeaker which uses multiple piezoelectric bimorph transducers. These multiple piezoelectric bimorphs have a resonant frequency which varies from unit to unit. The phase response at...
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6816598 |
Multiple driver, resonantly-coupled loudspeaker
The present invention is an improved loudspeaker with greatly reduced impedance and improved response and power handling in the low frequency range. The benefits of the present invention derive...
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6766033 |
Modular bass arraying
A modular audio loudspeaker array system. The system includes a first speaker module, and a second speaker module, constructed and arranged to radiate sound waves responsive to audio signals. Sound...
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6764046 |
Ceiling speaker system of aircraft
A ceiling panel speaker 100 comprises ceiling panel vibrating plates 110 and exciter units 200 mounted on said vibrating plates 110 , each exciter unit 200 connected via line 270 to an...
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6739424 |
Speaker system
A speaker system includes a first speaker; a second speaker; and a first spacer for separating the first speaker and the second speaker from each other so that the first speaker and the second...
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6650758 |
Adaptive dual port loudspeaker implementation for reducing lateral transmission
This invention describes a loudspeaker implementation which can adaptively reduce the transmission of an acoustic signal to listeners other than the intended listener. The invention uses a dipole...
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6628790 |
Apparatus for on-ear operation and off-ear operation with two sound reproduction transducers
In an adapted to be used in an on-ear mode and in an off-ear mode a holder compartment ( 6 )accommodates a first transducer ( 20 )and a second transducer ( 25 )and the holder compartment ( 6 )is...
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6434240 |
Sound isolation cabinet using two sound sources to generate complimentary sound waves
Two or more speakers are used to generate complimentary sound waves within a soundproof cabinet. The sounds generated inside the cabinet are detected by a microphone and sent to an external device...
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6363157 |
Multiple element electroacoustic transducing
A loudspeaker system includes an enclosure supporting first and second loudspeaker driver assemblies and having an internal volume. At least the first loudspeaker driver assembly is constructed and...
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6359330 |
Optoelectronic module and method for stabilizing its temperature
An optoelectronic module and a method for stabilizing its temperature are disclosed wherein the measurement of the reference temperature for the temperature sensor takes place on the substrate...
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6324052 |
Personal computing devices comprising a resonant panel loudspeaker
A personal computing device, such as a lap-top computer, has a body with a keyboard, a lid with a display screen hinged to the body, a resonant panel loudspeaker carried by the lid and an acoustic...
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6181796 |
Method and system which drives left, right, and subwoofer transducers with multichannel amplifier having reduced power supply requirements
A system and method which generates amplified signals indicative of left and right stereo channels, and uses the signals to drive transducers for each of subwoofer, left stereo, and right stereo...
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6150733 |
Method and device for influencing an impression which is subjectively perceived by an occupant of a vehicle, in particular of a passenger car, when the vehicle is being operated
A method and device are provided for influencing an impression which is subjectively perceived by an occupant of a vehicle, in particular of a passenger car, when the vehicle is being operated. The...
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6088459 |
Loudspeaker system with simulated baffle for improved base reproduction
The loudspeaker system uses an inner transducer for pressure control in the closed loudspeaker housing to simulate the desired baffle properties. The speed of the membrane of the inner transducer...
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6035051 |
Sound apparatus
A sound apparatus capable of obtaining a clear sound (audio image) irrespective of a position of a speaker portion to be provided in the sound apparatus. The sound apparatus includes a speaker...
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6031921 |
Loudspeaker unit
A loudspeaker unit comprises a loudspeaker box, a first loudspeaker attached to a front panel of the loudspeaker box, and a second loudspeaker having the same diameter as that of the first...
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5956411 |
Personal multimedia speaker system
This invention minimizes the space required for a speaker system for a multimedia personal computer display on a desktop. The speaker system has a very thin shape, moderate cost, very good impulse...
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5953432 |
Line source speaker system
A plurality of speakers are arranged in line, and a plurality of digital filters are provided for the speakers. Each of the digital filters is applied with a plurality of audio signals....
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5887068 |
Multi-driver in-phase bipolar array loudspeaker
This loudspeaker system overcomes the disadvantages of prior art bipolar loudspeaker systems in which the front and rear-mounted driver(s) are connected with the same electrical phase. It...
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5812686 |
Device for active simultation of an acoustical impedance
The device simulates actively an acoustical impedance. The simulation is achieved by sensing the air pressure on the surface of the membrane of an electrodynamic transducer and by moving the...
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5796854 |
Thin film speaker apparatus for use in a thin film video monitor device
A speaker system for use in a thin film video monitor apparatus is disclosed. The video monitor apparatus includes a thin film video display panel as well as a stiffening panel adjacent to the thin...
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5793876 |
Method for the diffusion of a sound with a given density
To obtain a directivity pattern representing the directivity of an original or virtual sound source, directivity patterns of different sources are composed algebraically. To take account of the...
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5748753 |
High power audio subwoofer
A subwoofer including a walled cabinet defining an enclosed space of less than 1 cubic foot; axial openings formed in two opposed cabinet walls; and, two driver assemblies mounted within the...
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5734728 |
Portable sound speaker system and driving circuit therefor
A speaker system includes a vertically oriented elongated tube supported on a ground surface, and open at upper and lower ends thereof; a woofer, mid-range speaker and tweeter mounted at a lower...
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5721784 |
Asymmetrical driver for asymmetrical loudspeakers
An audio output system, having loudspeakers with an asymmetrical output in response to symmetrical modulated input signals, is provided with a unidirectional limiting circuit for proportionally...
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5673329 |
Omni-directional loudspeaker system
A loudspeaker system includes a flexible compressible tube having a woofer mounted at one end with its cone directed outward, and a vented baffle mounted at the other end. A first sound dispersion...
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5664020 |
Compact full-range loudspeaker system
A compact full-range loudspeaker system includes an elongated enclosure having two open ends joined by a hollow interior, which enclosure may be of fixed dimension or telescoping, and has a...
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5590214 |
Vertical array type speaker system
The efficiency of a vertical array speaker device is raised to obtain an adequate level of sound and to confine the horizontal radiation of the listening area of a surround sound system. A pair of...
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5561717 |
Loudspeaker system
This loudspeaker system intended primarily for woofers includes an enclosure (10) and a plurality of loudspeakers (16), each loudspeaker including a driver (18) having an axis, with the...
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5553147 |
Stereophonic reproduction method and apparatus
A method and apparatus for stereophonic reproduction uses conventional left and right stereophonic signals to energize a point source transducer in a complementary manner. The resultant...
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5537479 |
Dual-driver bass speaker with acoustic reduction of out-of-phase and electronic reduction of in-phase distortion harmonics
A modification and addition to the prior art type of multiple driver push-pull loudspeaker system for subwoofer, bass, or lower midrange frequencies, which prior system is able to reduce the...
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5533135 |
Crossover system
An audio crossover system having two crossover networks, one suited to the auditory preferences of women and the other to the auditory preferences of men. The former attenuates mid-range...
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5461676 |
Device for improving bass reproduction in loudspeaker system with closed housings
The devices proposed improve low-frequency sound reproduction in loudspeaker systems using acoustically closed loudspeaker housings. In particular, the devices permit the use of loudspeaker...
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5386473 |
Passive surround sound circuit
A passive circuit for decoding surround-sound signals using a transformer having center-tapped primary and secondary windings. The line level left and right signals are introduced into the primary...
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5374124 |
Multi-compound isobarik loudspeaker system
A loudspeaker system overcomes disadvantages of prior art systems. To adjust for undesirable room acoustics, high frequency slope compensation is provided which reaches its plateau well beyond the...
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5327504 |
Device to improve the bass reproduction in loudspeaker systems using closed housings
The housings of the devices are divided by inner walls into two or three inner chambers. One of the inner chambers adjoins the membrane of the loudspeaker. Adjoining this inner chamber a membrane...
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5323466 |
Tandem transducer magnet structure
An active muffler for use in motor vehicles comprises a sensor, an electronic control responsive to the signal generated by the sensor for producing a drive signal delivered to a transducer which...
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