Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 1,370

Document Document Title
JP2006500887A
a [subject] -- the polarity of the signal supplied to a magnetic body is controlled, and the drive mechanism which used the magnetic body as a driving source for making a driver drive is offered. [Solution means] Drive mechanism is equip...  
JP2005286984A
To provide a speaker for mobile terminal capable of realizing high sound quality after establishing wide frequency characteristics and good high frequency distortion characteristics.The speaker includes a frame having a side wall with a ...  
JP2005277868A
To provide a speaker device etc. having an attaching structure of a resin frame and a resin grill in which no looseness due to a change in environment such as temperature change is generated.The speaker device is provided with the resin ...  
JP2005269328A
To provide a loudspeaker apparatus adopting the support structure of a damper, whereby a contact or the like between a vibration system and a magnetic circuit system is prevented so as to prevent the occurrence of abnormal sound noise, w...  
JP2005269330A
To provide a loudspeaker apparatus capable of efficiently radiating heat produced in a voice coil or the like so as to prevent exfoliation or the like of an adhesive for fixing a connection member to various components of the loudspeaker...  
JP2005244380A
To provide an electroacoustic transducer capable of eliminating the need for connection works of conductors configuring a coil and being used for a two-terminal electroacoustic transducer or a three-terminal electroacoustic transducer.Co...  
JP2005244427A
To provide a unidirectional condenser microphone unit wherein howling is scarce.In the unidirectional condenser microphone unit, wherein a diaphragm 20 stretched to a support ring 21 and a fixed pole 30 supported by an insulation seat 50...  
JP2005236844A
To raise stiffness of an intermediate part of a frame which supports an armature at an end, maintaining a compact composition of an electroacoustic transducer of a balanced armature type.The composition is that a back end part of the arm...  
JP2005525762A
the variable resistor type electromagnetism based on the new principle which the present invention provides with high performance, a small size, and high reliability compared with the conventional technology -- it is related with a formu...  
JP2005223414A
To provide a speaker apparatus capable of being easily fitted to the inside of a structure or the like and from which a sufficient acoustic effect can be obtained.The speaker apparatus is provided with: a cylindrical outer yoke 11; a voi...  
JP2005223740A
To prevent deterioration of tone quality in an inverse cone type speaker system.In the speaker system 1, a conic shape cone paper 2 is attached to a frame 3 in a convex shape. A bobbin 8 with a voice coil 9 is fixed to the cone paper 2. ...  
JP2005525031A
Typically, the 動電型 speaker contains the diaphragm which has the conductor stuck on one of the surfaces. The diaphragm is attached to the frame. The conductor is connected to the power supply in order to supply current through the a...  
JP3680562B2
To provide a high-quality product which prevents damage and performance deterioration by a falling impact, relating to an electro-mechano-acoustic converter used mainly for portable telephones, or the like. This electro-mechano-acoustic ...  
JPWO2003081945A1
コイル又は磁石の変位をレコード溝の凹凸に 完全に追従させることができ、レコード盤に 記録された音声を忠実に再現することができ るピックアップ装置を提供することを課...  
JP2005192178A
To expand a space of a back chamber, to improve the response characteristic of sensitivity and a frequency, and to simplify processes to reduce process cost by integrating a first base for performing an insulating function by a conventio...  
JP2005176292A
To provide a speaker capable of converting an electrical signal into a sound signal effectively, having a long life, and capable of producing a large voice output.This speaker comprises at least, a bobbin provided with a through hole, a ...  
JP2005168034A
To improve the sound quality of an analog cartridge employing a metal magnet.Diffusion of the lines of magnetic force is suppressed by blocking only the outer part of a bundle of lines of magnetic force, jutting out of the metal magnet, ...  
JP2005167480A
To provide an on-plane sound collection microphone capable of altering the direction for leading out an output cable easily according to specification.A part 2 for connecting one end side of an output cable 3 for delivering a voice signa...  
JP3660557B2
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...  
JP3651472B2
To provide a speaker having improved its acoustic characteristics. An opening 15 provided in a frame 12 enables the insertion of a jig 24 for setting an inner peripheral portion of a suspension holder 13 at a regular position. As this re...  
JP2005123663A
To provide a speaker having improved its acoustic characteristics.An opening 15 provided in a frame 12 enables the insertion of a jig 24 for setting an inner peripheral portion of a suspension holder 13 at a regular position. As this res...  
JP2005087851A
To provide a vibrator typically generating mechanical vibration, capable of generating rolling vibration easy to be felt by the body without causing strain nor noises.This vibrator of the present invention is provided with a magnetic cir...  
JP2005077326A
To provide a vibration sensor capable of preventing the damage of a vibrating film electrode, while avoiding sensitivity deterioration, and enabling an excellent assembling work.This sensor is equipped with a fixed electrode 1, and the v...  
JP3631935B2
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 bo...  
JP3602792B2  
JP3583262B2
To utilize an electromagnetic sound converter under serve environment such as being high/low temperature, high humidity, and much dust despite of a thin structural form be generating reproduced sound of sound or noise signals from a vibr...  
JP2004304694A
To provide a vibration speaker provided with a sound generating function and a vibration generating function that attains a low profile by integrating the sound generating function and the vibration generating function and prevents a deg...  
JP2004529767A
. The armature of the electromagnetism transducer extended through magnetic flux with the polarity extended between the pole faces of the permanent magnet which counters is caused by the shock. A buffer is given in order to restrict move...  
JP2004247812A
To provide an electroacoustic transducer capable of properly vibrating a diaphragm by eliminating variations in a gap between a coil and a magnet and to provide an electronic apparatus employing the same.The electric signal transducer 1 ...  
JP3556168B2
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 l...  
JP2004222215A
To provide a sound track disk (so called a record) in which the relation between a stylus and sound tracks is rationalized and its player by considering why the sound track disk has been failed.In the sound track disk (so called record),...  
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...  

Matches 401 - 450 out of 1,370