Matches 1 - 50 out of 78 1 2 >


Match Document Document Title
US20070223771 Simulated Wave Massage  
Method, procedure, and device for applying tactile sensation and vibration to the human body. In this invention one (or more vibrating) elements emit sine waves between 20 and 800 Hz. These waves...
US20060215873 Electroacoustic transducer  
An electroacoustic transducer includes a magnetic circuit of a magnetically conductive material with a pair of opposed surfaces defining a gap therebetween. The magnetic circuit includes a magnet...
US20060188126 Miniature multi-loudspeaker module  
A miniature multi-loudspeaker module comprising a housing including a magnetic circuit having magnetic means and a magnetically conducting body defining a magnetic field, and first and second...
US20100304796 Magnetic Shield  
A mobile apparatus includes an internal hands-free loudspeaker and a magnetic shielding plate that protects external objects sensitive to magnetic fields from the high-level magnetic field...
US20090074226 PCB WITH EMBEDDED SPEAKER ASSEMBLY  
A speaker system that includes a printed circuit board (PCB) and a speaker assembly. The speaker assembly is embedded in the PCB. The speaker assembly may include a coil, a magnet, and a...
US20070223770 Speaker  
A speaker includes a vibration board and at least one illuminant. The vibration board is made of translucent resin, and provided with light diffusing patterns on at least one side thereof. The...
US20060110001 Inertial voice type coil actuator systems  
The present invention includes a variety of magnetic circuit arrangements functioning as acoustic drivers. The circuits include a coil former around which is wrapped a conductive coil and a...
US20150312660 ACOUSTIC MEMBRANE WITH ASYMMETRIC LAYER ARRANGEMENT  
A membrane for an acoustic transducer may comprise a first layer comprising a first material, a second layer disposed on the first layer, the second layer comprising a second material that is...
US20070098207 STRUCTURE OF RIBBON TYPE PLANAR SPEAKER  
A structure of ribbon type planar speaker is provided, which includes a composite diaphragm with a flexible edge fixed on a fixed end; a first magnet and a second magnet, respectively disposed...
US20050129264 System module  
The system module includes first and second film members stacked to oppose each other with a predetermined gap therebetween, an actuator or a part of an actuator is formed in the predetermined...
US20060188120 Multiple active coil speaker  
A voice tube assembly for a loudspeaker comprising a basket, a cone, and a spider includes a first magnet. The first magnet is configured for attachment onto the basket and has a principle axis. A...
US20050276434 Dynamic exciter and loudspeaker using the same  
A dynamic exciter includes a frame, a magnetic circuit assembly, which includes a permanent magnet and a yoke and through which a magnetic circuit generated by the permanent magnet extends, and an...
US20050220320 Speaker for mobile terminals and manufacturing method thereof  
Disclosed herein are a speaker for mobile terminals which has a slim structure and has a wide frequency characteristic and an excellent high frequency distortion characteristic, thus accomplishing...
US20060239496 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...
US20060210107 Speaker driver  
An electro-acoustical transducer, including a magnetic assembly producing a magnetic field having two or more displaced regions of greater intensity, having magnetic flux in substantially similar...
US20060171555 Loudspeaker having an inner lead wire system and related method of protecting the lead wires  
A loudspeaker for generating sound from an electrical current provided by an external source may include an adapter and/or a guide for supporting, directing and routing lead wires carrying the...
US20060078153 Speaker having spacer ring inside frame  
A speaker comprises: a magnetic circuit composed of a pot yoke, a magnet, and a pole piece; a diaphragm shaped conical, defining an outer periphery and an inner periphery, and having a surround...
US20110255732 MULTIFUNCTIONAL MICRO SPEAKER  
A multifunctional micro speaker including a frame; a diaphragm having an outer circumferential portion fixed to the frame; a voice coil fixed to a lower surface of the diaphragm; a first...
US20080232633 Shallow Loudspeaker  
Loudspeaker provided with a frame (101), a membrane (103) and a drive unit (105. The membrane has a flat outer circumferential edge (104a) suspended from the frame, and a flat inner...
US20130070955 LOUDSPEAKER WITH INTERLOCKING MAGNET STRUCTURE  
A loudspeaker having a magnet system and a method of assembling the magnet system are disclosed. The magnet system comprises a magnet and an armature core that is mounted on the magnet. The magnet...
US20050271236 Coaxial speaker device and manufacturing method thereof  
A speaker device includes speaker units for high-frequency band reproduction and for low-frequency band reproduction and a supporting member. fixed to an opening of a center pole of the speaker...
US20070147650 Microphone and speaker having plate spring structure and speech recognition/synthesizing device using the microphone and the speaker  
A subminiature microphone and speaker having a plate spring structure and a speech recognition/synthesizing device using the microphone and speaker include frames, vibration plates, plate spring...
US20120155695 SPEAKER DEVICE FOR A PORTABLE TERMINAL  
A speaker device for a portable terminal includes: an electromagnetic wave noise shield member mounted on a circuit board; a speaker unit mounted on the electromagnetic wave noise shield member,...
US20120014555 ELECTROMAGNETICALLY-COUNTERED SPEAKER SYSTEMS AND METHODS  
Electromagnetically-countered speaker systems for generating acoustic sounds according to dynamic signals supplied thereto while minimizing irradiation of harmful electromagnetic waves therefrom...
US20070127766 Multi-channel speaker utilizing dual-voice coils  
A speaker that utilizes a dual voice coil speaker element to generate sound corresponding to more than one sound channel is disclosed. The speaker may be paired with a substantially identical...
US20050041829 SPEAKER AND METHOD OF INSTALLING THE SAME  
A magnet (300) is arranged substantially at the center of the bottom section (210) of a frame (200) and a diaphragm (500) provided with a coil bobbin (570) around which a voice coil (600) is wound...
US20080031487 Electro-Acoustic Transducer And A Method For Assembly Thereof  
A miniature electro-acoustic transducer is provided which includes a magnetic circuit. The magnetic circuit includes a permanent magnet assembly adapted to generate a magnetic flux in an air gap,...
US20060078152 Ribbon microphone incorporating a special-purpose transformer and/or other transducer-output circuitry  
Provided is a ribbon-microphone circuit that includes a ribbon transducer and a specially designed transformer. In various possible configurations, the transformer: is a toroidal transformer, has...
US20070189574 Electroacoustic transducing device  
The invention relates to an electroacoustic transducing device in which a sound generated by an electroacoustic transducer to be incorporated in a case of a portable electronic apparatus is...
US20050276438 Speaker device and method of manufacturing the speaker device  
A speaker device includes a magnetic circuit system having a resin frame and a plate. The frame holds the magnetic circuit system, and has a step portion, a hole portion, a recess portion and a...
US20120281861 VIBRATION DIAPHRAGM AND SPEAKER WITH A VIBRATION DIAPHRAGM  
A vibration diaphragm for a speaker has a spherical bowl section, an annular intervening section and an annular outer section. The spherical bowl section has a top and a spherical cavity defined...
US20070291976 Electrodynamic exciter  
An electrodynamic exciter has a tubular frame, a magnetic circuit assembly, a voice coil, and first and second suspensions axially vibratably supporting the magnetic circuit assembly and the voice...
US20060050920 Condenser microphone unit  
The resonance frequency of a diaphragm in a condenser microphone unit is increased without applying an excessive tension to the diaphragm and without decreasing the effective electrostatic...
US20050271241 Speaker device  
A connecting member has a radiation structure. Concretely, plural openings are formed on a cylindrical portion of the connecting member. When a voice coil bobbin moves to a sound emitting side, a...
US20130016871 LOW PROFILE GREETING CARD SPEAKER  
A low profile miniature speaker configured for use in greeting cards such as sound generating greeting cards and other novelties. The thickness of the speaker is minimized while maintaining the...
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...
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...
US20050271226 Speaker  
The present invention relates to a loudspeaker, which is used in a mobile communication device such as a portable phone and includes two loudspeakers in one casing, and provides the loudspeaker...
US20060120553 Speaker device  
The speaker device includes a connecting member for electrically connecting the voice coil and the external printed circuit board or the like. The connecting member includes a conductive member...
US20070121992 Speaker and electronic device equipped with the speaker  
According to one embodiment, a speaker comprises a frame, a drive source attached to the frame, which converts an electric signal into mechanical vibration, a diaphragm coupled to the drive...
US20070217645 Speaker  
A speaker is provided and includes a diaphragm which is composed of a primary planar disc and a secondary planar disc which has a smaller diameter than the primary planar disc. The primary and...
US20070201718 Speaker  
A speaker is provided in which first and second voice coils are disposed around a voice coil bobbin, a diaphragm has its inner circumferences attached to an area of the voice coil bobbin...
US20120177244 SPEAKER  
A speaker includes a holder forming a hollow space, a magnetic system received in the hollow space, a suspension assembled with the holder and defining a supporting portion, a pair of fixing...
US20060140436 Method and system for assembling electroacoustic transducers  
Method and system are disclosed for facilitating automatic assembly of electroacoustic transducers for listening devices, such as hearing aids. The method and system provide the components of the...
US20050180591 Speaker  
A magnetic circuit driving a diaphragm is located in a sound emission area of the diaphragm which is supported by a frame. A network element is installed on the opposite side of a frame member...
US20100034418 HIGH PERFORMANCE MICRO SPEAKER  
A micro speaker having a first core assembly and a second core assembly, with a diaphragm between the first and second core assemblies. Each of the core assemblies includes a housing with a pole...
US20090316937 MONOLITHIC MICRO MAGNETIC DEVICE  
A micro magnetic device having a body defining at least part of an enclosed chamber, a pole comprising a soft magnetic material within the chamber, and an electrically conductive coil positioned...
US20060182306 COMPONENT OF A TRACTION DEVICE, METHOD OF MANUFACTURING AND TRACTION DEVICE USING THE SAME  
A process of conditioning a corrugated diaphragm adapted for use in a traction device in order to impart a spring force. The process includes obtaining a neutral state corrugated diaphragm with a...
US20070064971 Speaker device  
A speaker device, a voice coil is arranged in a magnetic gap formed in a magnetic circuit unit, a diaphragm that vibrates with a voice coil, and a damper is provided between a diaphragm and a...
US20120275638 Sandwich-Type Woofer with Two Sound Wave Propagation Directions and a Magnetic-Looped Device Thereof  
A sandwich-type woofer with two sound wave propagation directions includes a first magnetic-conducting plate unit, a second magnetic-conducting plate unit, a magnet unit, a coil frame, a first...

Matches 1 - 50 out of 78 1 2 >