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Patent Searching and Data


Matches 451 - 500 out of 1,388

Document Document Title
JP2004177624A
To provide a speaker, mounted on a printed board etc., which can be made small-sized and thin.In a main body comprising a protector 1 covering the top surface of a diaphragm 9, a base cover 2 which has a coil contact spring storage part ...  
JP3532715B2
To provide the electromagnetic acoustic transducer which is prevented from deteriorating in acoustic performance owing to a reflow solder process. A decrease in the lowest resonance frequency Fo of a resonance plate 22 by the demagnetiza...  
JP2004515097A
According to the 1st mode of the present invention, it is offered by the inertia type exciter (40) for an acoustic radiator (42), and an exciter, A weight component (44) and the coupling component (46, 56) which clings to an acoustic rad...  
JP2004507951A
The present invention offers the bone conduction vibrator which can simplify the structure while it makes power efficiency increase and makes a frequency band broadband-ize. The substrate by which the bone conduction vibrator by the pres...  
JP2004056771A
To provide a plane type electroacoustic transducer of a moving magnet type formed by a vibrating membrane having a thin film magnet magnet-landed to a thickness direction.The thin film magnet 12 is film-formed on a macromolecule film 11 ...  
JP3496140B2
To provide a sound wave receiver that is configured by enhancing a separate version stereo technology. The sound wave receiver is provided with a separator 1 and at least two microphones 6a, 6b placed on the separator 1. The separator 1 ...  
JP2003309897A
To quickly stop the vibrations of a vibrator of a circuit for controlling the vibrator.A spring vibration control integrated circuit 12 generates an intermittent signal, a switching element 15 is turned ON/OFF by the intermittent signal ...  
JP2003294545A
To provide a force detection device improved for vibration detection or a filter, or at least for alternative use thereof.This force detection device has an electromagnetic material and a magnetic element capable of moving relatively to ...  
JP3454720B2
To provide a receiver with a simple structure and sufficient strength against an external force on a lead piece with a simplified assembling process that can be used the same manufacturing facility even when a slight design change takes ...  
JP2003283896A
To provide a digital camera having a voice recording function and a voice reproducing function so as to attain downsizing a set comprising a microphone and a speaker and decrease the number of components and the manufacturing cost.The di...  
JP2003274487A
To solve the problem of a conventional electromagnetic or dynamic electroacoustic transducer that cannot have been downsized because of the permeability and the saturation magnetic flux density of a magnetic diaphragm and a yoke and the ...  
JP2003259485A
To provide a speaker and a method of manufacturing it.A damper (38) is attached above tinsel cords (48) and by maximizing the size of the damper, the amplitude of the output sound is heightened and a low frequency components are maximize...  
JP2003220363A
To provide a high performance small-sized portable axially driven vibration body.The axially driven vibration body 10 has a drive element 20 which is formed from the cylindrical drive coil 12 fixed to one side end of a cylindrical frame ...  
JP3427054B2
To provide a signal converter of a small-size and a low profile that minimizes the power consumption so as to extend the operating time of a portable phone or a PCS(Personal Communication Service phone) that mounts the signal converter. ...  
JP2003521184A
(57) The diaphragm holder (2) for holding a summary magnet system (8) and a diaphragm (17), And in the electronic sound converter (1) which has a moving coil (15) connected to a diaphragm, A moving coil has a coil body (27) on a cylinder...  
JP3421654B2  
JP2003520007A
(57) The summary book specification is indicating the balanced receiver which decreases vibration intentionally. This balanced receiver indicated by this 願明細書 has the closing loop with which it equipped between the armature and t...  
JP3416815B2
To provide a speaker and its manufacturing method by which the productivity can be enhanced and the characteristic can easily be improved. A frame 14 of a speaker 10 is designed to be separated into a 1st frame 15 and a 2nd frame 44 and ...  
JP2003047091A
To improve the sound quality of an analog cartridge employing a metal magnet. Lines of magnetic force having a steep curve or weak magnetic force are eliminated from the lines of magnetic force emitted from a metal, thereby suppressing t...  
JP3373151B2  
JP2003032793A
To provide an acoustic microphone by which a stable output can be obtained even in a hot and humid environment such as an area around steam pipes in a nuclear energy plant.An alternate current theory of a mutual induction circuit is appl...  
JP2003009495A
To obtain oscillations accompanied by feeling of presence by resonating a cabinet for built-in equipment.An oscillator 3 is formed by combining the first frame assembly and the second frame assembly into one. A magnetic circuit part (a m...  
JP2002541749A
(57) The production method of the electroacoustic transducer equipped with the diaphragm 5 arranged at the housing 2 for summary, for example, a hearing-aid, is offered. According to the present invention, the diaphragm 5 is attached on ...  
JP2002271895A
To provide a magnet of an electromagnetic sounder that is used for a surface mount electromagnetic sounder and solves problems of an insufficient magnetic force of the small sized magnet and a complicated manufacturing method.In the elec...  
JP2002531037A
(57) A summary and subject Displace a diaphragm by displacing a permanent magnet and offer electric * sound converter which generates the sound corresponding to an electrical signal, and the conversion method. Solution means At least one...  
JP2002219410A
To promote realization of a multi-functional type acoustic device that is simple in structure and excellent in heat radiation with which quality of voice and music will not deteriorate even through low and high frequency signals are exci...  
JP3311471B2
PURPOSE: To miniaturize and flatten an electromagnetic acoustic transducer with high sound pressure by increasing the winding number of a winding wire at a pole without securing a special space. CONSTITUTION: The winding wire 10 is wound...  
JP2002199480A
To provide a bone conduction loudspeaker that can suppress unnecessary vibration in a vibration system so as to prevent production of noise sound due to abnormal resonance, thereby fully improving the sound quality.The bone conduction lo...  
JP2002176694A
To solve the problem that conventionally acoustic characteristics cannot be obtained with an electromagnetic electro-acoustic transducer reproduce sound.The electromagnetic electro-acoustic transducer of this invention is provided with a...  
JP2002171597A
To provide a speaker where the thickness can considerably be reduced and the low frequency sound characteristic can be enhanced and to provide its manufacturing method.A drum film 32 is placed along a side face circumferential edge of a ...  
JP2002112385A
To provide a signal converter of a small-size and a low profile that minimizes the power consumption so as to extend the operating time of a portable phone or a PCS(Personal Communication Service phone) that mounts the signal converter.T...  
JP2002094630A
To provide the connection method and structure of the microphone of a mobile communication terminal for easily connecting the microphone and a printed circuit board, reducing the assembly time of products and improving working efficiency...  
JP2002509413A
(-- 57) summary -- by adding a magnetic attenuation factor (106), the Todt armature round trip shock transducer (100) which offers a nonlinear hardening spring response is usually adapted so that a nonlinear softening spring response may...  
JP2002078087A
To provide an electromagnetic acoustic transducer that can reduce a stress applied to a coil wire and ensure high reliability.The electromagnetic acoustic transducer 1 consists of a base 24 made of a magnetic material, a magnetic core 22...  
JP3255171B2
To provide an excellent magnetic acoustic converter with improved shock resistance in a magnetic sound generator used for radiating sound (calling, information, warning, etc.), in various industrial fields. In this magnetic acoustic conv...  
JP2002027598A
To provide an electric/acoustic converter capable of surely fixing a frame and a housing by laser welding,A diaphragm unit part 3 is provided with a diaphragm frame 51, a diaphragm 52, and a resin film 53. The diaphragm 52 is arranged in...  
JP2002501358A
(57) The thin form loudspeaker which generates a frequency response and a diffusion sound pattern outstanding using the combination of a summary magnetism driver, a sound board, or a magnetic driver and a sound board is offered. The pres...  
JP2001326994A
To provide a small electromagnetic-acoustic transducer with high sound pressure which can certainly fix a small magnet while securing a large back surface space of a diaphragm.The electromagnetic-acoustic transducer 1 is composed of: a b...  
JP2001324982A
To provide an excellent sounder which is used for various moving body communication terminals, etc., and generates calling sounds of a high sound pressure.This sounder is provided with notched parts 13c and 13d in the lower parts on the ...  
JP2001326995A
To provide a small electromagnetic-acoustic transducer with high sound pressure which can certainly fix a small magnet while securing a back surface space of a diaphragm.The electromagnetic-acoustic transducer 1 is composed of: a base 24...  
JP2001298789A
To provide a sound wave receiver that is configured by enhancing a separate version stereo technology. The sound wave receiver is provided with a separator 1 and at least two microphones 6a, 6b placed on the separator 1. The separator 1 ...  
JP2001298793A
To provide an electroacoustic transducer that eliminates the orientation in a circumferential direction when it is mounted onto a board of an external device without causing fluctuation in the acoustic characteristic and to provide a mou...  
JP2001290484A
To provide an electromagnetic sound producing body with which the vibration characteristics of a diaphragm are stabilized. A groundsel cover 2 and upper cover 3 constituting a casing 1 are united to form a sound releasing hole 1a. A yoke...  
JP2001268692A
To provide an electroacoustic transducer which makes it easy to connect a conductor constituting a coil to a terminal part for signal input and suppresses the breaking of a conductor.A bobbin part 21 has a base part 22, a coil winding pa...  
JP2001258094A
To provide an electroacoustic transducer that can obtain a proper sound pressure characteristic, without hindering vibration of an armature section.The electroacoustic transducer 1 has a housing 2, consisting of a top housing 4 and a bot...  
JP2001245390A
To provide an electroacoustic transducer that can easily fix the drive pin to the diaphragm.The drive pin 41 has a diaphragm side plane 42 nearly in parallel with a diaphragm 52 and an armature side plane section 43 that is extended in a...  
JP2001231093A
To provide a speaker and its manufacturing method by which the productivity can be enhanced and the characteristic can easily be improved.A frame 14 of a speaker 10 is designed to be separated into a 1st frame 15 and a 2nd frame 44 and t...  
JP2001228874A
To provide an electric guitar system which allows independent extrac tion of sounds of respective strings, is wide in the width of sound creation and is applicable to guitars of various types.This electric guitar is constituted by mounti...  
JP2001509985A
(57) The motor coil assembly object (3, 4) which has the coil 3 fixed to the summary tubular coil making component 4 by 剛, The magneto assembly object (5, 6, 7) arranged to this motor coil assembly object at the same axle, It has a mea...  
JP2001186597A
To provide an electromagnetic transducer to generate an acoustic wave in an electronic hearing aid provided with a case 2, a coil 4 placed therein, an electromagnetic driver 3 including one drive electromagnet 5 and one armature 6 and a ...  

Matches 451 - 500 out of 1,388