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Patent Searching and Data


Matches 501 - 550 out of 1,389

Document Document Title
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 ...  
JP2001075572A
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...  
JP2000193006A
To provide a highly reliable flat spring-integrated core consisting of a flat spring and an inverted cup-shaped core securely fixed to each other in which the quantity of expensive rubber to be used is reduced, and provide a method of ma...  
JP2000193007A
To provide a highly reliable flat spring-integrated core which can be manufactured inexpensively and surely positioned and fixed. This flat spring-integrated core consists of an outer circumference ring, a center hole, an inner circumfer...  
JP2000148154A
To reduce the man-hours in the assembling to a body case and minimize the space factor of a buzzer on a printed board as much as possible. In a buzzer 11 having a substantially cuboid-shaped thin casing 12 incorporating a sounding part, ...  
JP2000148152A
To surely and easily perform the positioning of a sound emission hole with an external sound emission hole on a facing case in integrating an electromagnetic sounding body, and prevent the received sound from being filled within the faci...  
JP2000050390A
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 ...  
JPH11355871A
To provide a bone conduction loudspeaker by which the output efficiency is enhanced, without increasing the outer diameter size and sufficient strength is obtained, regardless of a simple configuration. This loudspeaker is provided with ...  
JPH11331965A
To reproduce voice information with high sound quality without drilling any hole through a casing by fixing a magnet to the casing having a vibration area capable of vibration via a frame to generate a magnetic field to a voice coil that...  
JPH11313393A
To provide an electromagnetic sounder where the cost is reduced through processing of electrode terminals and adhering methods or the like, position accuracy of electrode terminals is improved, the reliability is enhanced by increasing c...  
JP2967777B1
[Summary] Subject Power efficiency can be raised without making an outer diameter size increase, and let it be a subject to offer the bone conduction スピ * mosquito from which thing sufficient also in intensity with simple composition...  
JP2957698B2  
JP2936009B2  
JPH11192455A
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 ...  
JPH11113092A
To provide an electroacoustic transducer where an excellent spherical sound field at all times is obtained by preventing the generation of an undesired vibration mode caused at a circumferential ridge. In an electrostatic type spherical ...  
JP11024668A
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...  
JPH10290494A
To make a diaphragm thin and light in weight, to make it into complicated form, to make it flexible, to improve vibration efficiency, to increase the sound pressure and to expand a frequency range to provide a prescribed sound pressure b...  
JPH10224892A
To obtain stable acoustic characteristic by executing magnetic processing to resin at the whole pole piece within an electroacoustic transducer or at least an iron core part within the pole piece so as to precisely set a gap between the ...  
JPH10149169A
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...  
JP2749748B2
PURPOSE: To enable make possible downsizing by arranging a constitution such that a magnet material which moves in a shifting direction, including an electromagnet consisting of a shell and a winding around a rectilinear shifting path, i...  
JPH1099805A
To improve the resonance effect of a diaphragm by specifying the thickness of the diaphragm in a machine in which a vibrator is attached to the diaphragm, the vibrator is driven by an ultrasonic wave generator. In an ultrasonic cleaning ...  
JPH1011067A
To make it possible to cancel noise or a hum effectively without sacrificing sound quality by reduction coupling coils inductively and magnetically with each other by a shield. A lower coil 20 extends to the circumference of magnetic pol...  
JP2632579B2  
JPH0993680A
To suppress the shape change in the microphone caused by addition of a lighting function. A printed circuit board 19 on which light emitting diodes 20 are soldered is fixed while being inserted between a microphone holder 21 and a microp...  
JPH08265403A
To provide a portable telephone set incorporating a speaker having a flip stand or a door with hinge. A portable telephone set 10 is provided with a telephone set main body having a recess on one side, a flip stand (the flip stand functi...  
JP2500908Y2  
JPH08502635A
(57) Summary book invention starts the electric acoustic transducer of form which works of lead amateur. Very, the transducer 10 consists of the lead amateur 17 who penetrates the central tunnel 18 画成 (ed) by the coil 12, the magnets...  
JPH07118835B2  
JPH07112317B2  
JPH07106336B2  
JPH07508864A  
JPH07240996A
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...  
JPH0731671Y2  
JPH0731672Y2  
JPH0761194B2  
JPH0761198B2  
JPH0761193B2  
JPH0718238Y2  
JPH0720317B2  
JPH0693800B2  
JPH0681200U
[Objects of the Invention] It acquires decreasing the noise by resonance 々動 of an arm which allots electromagnetism actuator 3 of moving coil form in parallel with diaphragm 6, and arises since vibration was connected with the arm of...  
JPH06288849A
PURPOSE: To provide a vibration generator and a fail-safe pressure sensor which can generate a highly energetic output with the aid of the vibration generator when a pressure is lower than as specified. CONSTITUTION: An electromagnet 7 w...  
JPH0667037B2  
JPH0625111Y2  
JPH0585188U
[Objects of the Invention] Vibration can be generated, even if magnetization coil 6 portion and magnet 7 portion can be separated and it does not use a board spring. [Elements of the Invention] Magnetization pad 4b which provided magneti...  
JPH05300718A
PURPOSE: To enable make possible downsizing by arranging a constitution such that a magnet material which moves in a shifting direction, including an electromagnet consisting of a shell and a winding around a rectilinear shifting path, i...  
JPH05260595A
PURPOSE: To provide an armature converter which is very small-sized and has the copper loss suppressed. CONSTITUTION: An armature converter 62 is provided with permanent magnet means 26 and 28 which form a bias area mainly in a range bet...  
JPH0560318B2  
JPH05220155A
PURPOSE: To extend the life of a pressure pulse generating device with a method simple and advantageous in cost. CONSTITUTION: This device has a diaphragm 2 having at least one conductive area 2b, one side of which is opposed to an acous...  
JPH0533119Y2  

Matches 501 - 550 out of 1,389