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Match Document Document Title
US20110207588 EXERCISE DEVICE OF AN OSCILLATION TYPE  
An exercise device of an oscillation type is provided having upper and lower panels, and a magnet mounted on the lower plate for generating a magnetic field. A middle ring is coupled to a lower...
US20110182463 ULTRA-THIN LOUDSPEAKER  
An ultra-thin loudspeaker including: a) an iron basin having a first receiving portion and a second receiving portion at the top surface thereof; b) a magnet unit positioned within the first...
US20130279737 MICRO-SPEAKER  
A micro-speaker includes a yoke, a magnet assembly attached to the yoke, a voice coil, and a diaphragm connected with the voice coil. The yoke defines a bottom wall, and a number of sidewalls...
US20120170793 MICRO-SPEAKER  
A micro-speaker includes a yoke, a magnet assembly attached to the yoke, a voice coil, and a diaphragm connected with the voice coil. The yoke defines a bottom wall, and a number of sidewalls...
US20140185859 MAGNETICALLY BIASED ELECTROMAGNET FOR AUDIO APPLICATIONS  
An electronic device having an enclosure having a top panel and a bottom panel. An electromagnet is mounted within the enclosure, the electromagnet having a core portion attached to the top panel...
US20150117699 MAGNETIC ASSEMBLY FOR SPEAKER  
A magnetic assembly for a speaker is disclosed. The magnetic assembly includes a yoke, a magnet module installed on the yoke, and a pole module mounted on the magnet module. The magnet module...
US20120328147 SPEAKER  
A speaker is disclosed herein. And, in configuring a magnetic circuit of the speaker, unlike the vertical polarity alignment of the related art speaker, the polarities of the magnet are configured...
US20150131844 Method and Apparatus for Minimizing or Preventing Interference of Two-Way Radio Speaker Microphones Caused by Fine Metal Particles  
A speaker microphone design that prevents, eliminates, and/or minimizes speaker mechanical failure caused by fine metal particles in the ambient environment. The contemplated invention includes...
US20120002837 SPEAKER AND METHOD OF ASSEMBLING SAME  
There is provided a speaker which has a frame structure divided into a first frame and a second frame, wherein tinsel wires are arranged so as not to overlap, with respect to the plane direction,...
US20150222995 HYBRID SPEAKER  
A hybrid speaker is provided. The hybrid speaker can include first magnets, second magnets, a yoke that accommodates the first and second magnets, a diaphragm, voice coils fixed at one face of the...
US20150264457 Loudspeaker Assembly Configuration  
Embodiments are provided for configurations of a loudspeaker and assembly of the loudspeaker. The loudspeaker may include a frame; a voice coil; a magnetic structure having a magnetic gap; a...
US20130336518 LOUDSPEAKER, ELECTRONIC APPARATUS USING SAME, AND MOBILE APPARATUS  
A loudspeaker includes a back panel and a plurality of thin loudspeakers mounted onto the back panel. The back panel has an aspect ratio of 6 or higher, and has a wiring unit formed thereon and...
US20130259290 Micro-Speaker  
Disclosed is a micro-speaker. The micro-speaker includes a frame, a magnetic circuit unit assembled with the frame, a diaphragm extending along a longitudinal direction, a coil, an elastic member...
US20140056464 Micro-Speaker  
A micro-speaker includes a vibrating unit including a diaphragm, a voice coil, and a magnetic circuit unit supporting the diaphragm. The diaphragm includes a position portion serving as an edge of...
US20070223777 Loudspeaker having an interlocking magnet structure  
A magnet structure for use with a loudspeaker may have an interlocking mechanism. The magnet structure may include a magnet, a shell pot and a core cap. The shell pot may contain the magnet in its...
US20110135141 SPEAKER DEVICE  
A speaker device has a magnet, outer yokes, and inner yokes which are assembled so that a magnetic gap is formed between the outer yoke and inner yokes over which a magnetic flux which is...
US20110164764 DIAPHRAGM FOR SPEAKER, SPEAKER USING THE DIAPHRAGM, ELECTRONIC DEVICE USING THE SPEAKER, AND SPEAKER-MOUNTED DEVICE  
A speaker diaphragm containing resin and carbonized bamboo material with a large degree of flexibility in setting physical properties, moisture-proof reliability and strength secured, superior...
US20140056465 Speaker  
A speaker includes a vibrating unit, and a magnetic circuit unit. The vibrating unit includes a diaphragm, an elastic plate coupled with the diaphragm, and a voice coil electrically connecting to...
US20140023224 Speaker  
A speaker includes a holder having a receiving cavity and an acoustic hole communicating with the receiving cavity, a magnetic circuit system received in the receiving cavity of the holder, and a...
US20080170745 Microspeaker and method of designing the same  
Provided are a microspeaker and a method of designing the same. The microspeaker includes a first permanent magnet and a second permanent magnet disposed on the first permanent magnet with a...
US20070242850 Loudspeaker with cone-coupled damper  
A loudspeaker includes a circular damper, a cone, and a cylindrical bobbin. The circular damper may include a centrally disposed cone attachment protuberance and a peripherally disposed top plate...
US20150256910 NON-DIRECTIONAL TRANSDUCER  
A transducer for the creation of acoustic energy omni directionally in a horizontal plane. The transducer includes a base plate, the base plate supporting a centrally located voice coil motor...
US20130039529 SPEAKER  
In configuring a magnetic circuit, by forming polarities of a magnet to be aligned along a vertical direction, and by optimizing a yoke providing a flow path of a magnetic flux, a vibration system...
US20090116682 Speaker and Method of Manufacturing the Same  
Provided is a loudspeaker using a resin with adhesiveness as a surface treatment agent that has already been applied onto either of a diaphragm and a voice coil before bonding. Because this...
US20150110336 Speaker Box  
A speaker box is disclosed. The speaker box includes a housing and a speaker unit. The housing includes a bottom, a side connected with the bottom, and a rear volume formed by the side and the...
US20140140569 FOLDED DIAPHRAGM LOUDSPEAKER  
A folded diaphragm loudspeaker of the type used in the manufacture of audio equipment, includes a first magnetic circuit board having at least one magnet and two pole parts (7) formed from a...
US20070025587 Subwoofer design and isolator therefor  
A speaker has a magnet assembly, a basket and a voice coil mounted in the flux gap of the magnet assembly. A spider mounts the voice coil to align it. A sound radiator, for producing sound, is...
US20150264487 Full circumferential geometry voice coil bobbin made with non-metal or metal  
An electromagnetic loudspeaker transducer; where its voice coil bobbin has a fully circumferential geometry to provide increased mechanical strength. When the bobbin to be made with sheet metal...
US20120140977 SPEAKER UNIT  
A speaker unit includes a frame that secures a diaphragm of a speaker at an outer circumference of the diaphragm, a magnetic circuit, a first leg that extends from a portion of an inner wall of...
US20080212823 Loudspeaker and Assembly of Loudspeakers  
A loudspeaker comprising a magnet unit that generates a magnetic field and a membrane which is mounted in a frame and which is provided with an electrical conductor arranged in a pattern on the...
US20150181345 Miniature Speaker  
A miniature speaker is disclosed. The miniature speaker includes a frame, a magnetic circuit received in the frame, a voice coil partially received in the magnetic circuit, a diaphragm connected...
US20150010196 Three-Magnet Type Microspeaker  
A three-magnet type microspeaker includes: a frame; a yoke coupled to the frame to form a bottom surface; a center magnet secured to a top of the yoke; a pair of side magnets secured to the top of...
US20120308070 SLIM TYPE SPEAKER AND MAGNETIC CIRCUIT THEREFOR  
A magnetic circuit and a speaker including the magnetic circuit. The speaker includes: a bottom case; a magnetic circuit including a perpendicular-magnetized permanent magnet and a...
US20130216088 ACOUSTIC MOLDED ARTICLE, SPEAKER USING SAME, AND ELECTRONIC EQUIPMENT AND MOBILE APPARATUS USING SPEAKER  
An acoustic molded article, such as a frame for a speaker, used for an acoustic instrument, includes a regenerated glass and a regenerated resin both collected from household electric appliances...
US20080002850 Speaker and manufacturing method  
Designing of a magnetic circuit without constraints of a shape of a diaphragm offers an enhancement in the degree of design freedom of a speaker. A diaphragm has a dome and an edge formed...
US20150146913 DIAPHRAGM FOR SPEAKER, METHOD OF MANUFACTURING SAME, AND SPEAKER  
Provided is a diaphragm for use in a speaker that is configured to include a nanoweb that is formed by electrospinning a polymer material and accumulating nanofibers, so as to have a plurality of...
US20070003100 Loudspeaker structure with a lighting effect  
A loudspeaker structure with a lighting effect includes a support frame having a magnetic circuit disposed at the bottom of the support frame, a voice coil installed above the magnetic circuit, a...
US20120250930 SPEAKER DIAPHRAGM AND SPEAKER USING SAME, AND ELECTRONIC EQUIPMENT AND DEVICE USING SAID SPEAKER, AND SPEAKER DIAPHRAGM MANUFACTURING METHOD  
A diaphragm is formed of paper manufactured from a first fiber material and a second fiber material. The first fiber material is beaten to have a given freeness, and the second fiber material is...
US20110026757 ACOUSTIC CONVERTER DIAPHRAGM, AND ACOUSTIC CONVERTER  
A diaphragm for acoustic converter includes a base and a damping layer formed on one surface or both surfaces of the base. The damping layer includes a particle having a heat dissipating function,...
US20080205690 LOUDSPEAKER MAGNETIC FLUX COLLECTION SYSTEM  
A loudspeaker design delivers improved efficiency by reducing the power required from an audio source to produce sound. The loudspeaker includes a magnet housing, at least two magnets and a...
US20070189577 Ferrofluid Centered Voice Coil Speaker  
An audio speaker has a driver unit having a support frame with a central portion forming a magnetic structure defining an annular gap around a central magnetic post, a vibration system having a...
US20050089187 Nanoporous diaphragm for electromagentic transducer  
An electromagnetic transducer such as a tweeter audio speaker, having a very low density diaphragm constructed of a nanoporous material such as aerogel or the like. The solid aerogel diaphragm has...
US20110150264 SPEAKER MAGNETIC CIRCUIT, SPEAKER DEVICE, AND METHOD OF MANUFACTURING SPEAKER MAGNETIC CIRCUIT  
The present invention is to provide a speaker magnetic circuit which, even if small in its thickness, can reduce an occurrence of magnetic flux leakage so as to obtain a sufficient magnetic flux...
US20080205687 Magnetic circuit for electrodynamic moving voice coil actuators  
The invention is a novel circuit wherein maximum shove is achieved yet the transducer's height profile is minimized. The profile is minimized by using mated beveled surfaces on an annular magnet...
US20070242849 Loudspeaker with high power efficiency and low resonance frequency  
A loudspeaker with high power efficiency and low resonance frequency is achieved by having a damper directly or indirectly sleeving beside a coil on a voice coil so that gravity center of...
US20120237076 SPEAKER DIAPHRAGM, AND SPEAKER AND HANDHELD TERMINAL DEVICE USING SAID SPEAKER DIAPHRAGM  
A speaker diaphragm includes a body vibrating to generate a sound, an edge fusion-bonded to an outer circumference portion of the body, a projection provided on an upper surface of the edge, and a...
US20130272564 RECEIVER WITH A NON-UNIFORM SHAPED HOUSING  
A balanced armature receiver includes a magnet, a coil, and a housing. The magnet and the coil are disposed within the housing and the housing comprising a bottom surface. The bottom surface...
US20130011000 SPEAKER  
A speaker of the present invention is used for converting audio electrical signals to audible sounds. The multi-magnetic circuit speaker includes a box with a sound hole, at least one magnetic...
US20070237353 Magnetically tapered air gap for electromagnetic transducer  
An electromagnetic transducer, such as an audio loudspeaker, having an underhung voice coil disposed in a magnetically tapered air gap. The taper provides asymmetry in the magnetic flux field. As...
US20050257999 Bobbin integrated type magnesium diaphragm, manufacturing method thereof, and speaker device using the diaphragm  
In the rolling process, a rolling amount at each time of rolling by a rolling machine is set to 1 μm to 20 μm, and a magnesium substrate is heated by a constant temperature oven and rolled by...

Matches 1 - 50 out of 192 1 2 3 4 >