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Patent Searching and Data


Matches 301 - 350 out of 1,385

Document Document Title
JP6276511B2  
JP2018019306A
To especially suppress attenuation of high sound area components in an earphone comprising a plurality of driver units having different reproduction bands.The earphone comprises: first driver units (2d, 2e) for reproducing voice waves in...  
JP6265421B2  
JP6263520B2  
JP2018007220A
To provide a tweeter unit of a small diameter which can obtain a sufficient sound volume in a high frequency band, and an earphone using the same.A diaphragm 21 is vibrated by a piezoelectric element and an MEMS, and a sound is reflected...  
JP2017152903A
To provide an electromechanical transducer capable of obtaining high drive power relative to input power while maintaining satisfactory magnetic characteristics and reliability.An electromechanical transducer comprises: a structure secti...  
JPWO2016063462A1
a housing, a dynamic type driver unit provided in a housing, and sound which length is more than abbreviated 10mm, and transmits a sound outputted from a dynamic type driver unit -- it is an earphone provided with a lead pipe. [Chosen dr...  
JP2017059988A
To provide a sound production device in which a magnetic field generation unit and an armature can be positioned with high accuracy, and the magnetic resistance can be reduced even if the frame is formed of a nonmagnetic material.A magne...  
JP2017059987A
To provide a sound production device capable of obtaining high output sound production, by reducing leakage magnetic flux from a magnetic field generation part.A magnetic field generation unit 20 is attached to a drive side frame 5. The ...  
JP2017059986A
To provide a sound generation device in which the gap of upper and lower magnets held in a magnetic field generation part can be set with high accuracy.A magnetic field generation unit 20 is attached to the drive side attachment surface ...  
JP2016208213A
To provide an MM type pickup cartridge capable of obtaining a large output signal and obtaining a faithful reproduction sound with less distortion.An MM type pickup cartridge includes: a cantilever 12; a stylus tip 13 attached to a front...  
JP6014787B1
[Subject] Assembling work can be made easy, a relative position of an armature and a diaphragm can be set up with high precision, and a pronouncing device which becomes unnecessary [position adjustment work] is provided. [Means for Solut...  
JP5992074B2  
JP5973809B2  
JP5941203B1
[Subject] Vibrator of a simple structure is provided. [Means for Solution] Vibrator (10a) of the present invention is provided with a magnet (13) attached to the 1st diaphragm (11) and this 1st diaphragm (11), and a coil (15) provided so...  
JP5927186B2  
JP2016086281A
To provide an earphone outputting a voice from a driver unit with appropriate acoustic characteristics.An earphone includes a housing 10, an insertion part 100 constituted to be more flexible than the housing, and attached thereto, and a...  
JP2016076980A
To provide a transducer and a method of forming the transducer.The method comprises locating a feed wire for forming a drive pin 174 on a surface of a reed 166 at a wire contact point, welding a first end of the feed wire to the reed, cu...  
JP5899346B2  
JP5886126B2  
JP5862310B2  
JP5811705B2  
JP5802547B2  
JP2015185869A
To provide a heavy bass speaker of a quite narrow width shape, capable of generating a bass sound with a sufficient gain.The heavy bass speaker includes: a housing 10 which is composed of a plurality of tabular bodies 2a-2d, 7, 8; and ac...  
JP5793566B2  
JP2015159552A
To provide an earphone driver assembly.A balanced armature motor assembly 150 includes an armature 156, upper and lower magnets 158A and 158B, a pole piece 160, a bobbin 162, a coil, a drive pin 174 and a flexible board 167. The magnets ...  
JP5760081B2  
JP2015139041A
To provide an electromechanical transducer which improves a degree of freedom in designing an armature and is capable of making excellent magnetic characteristics compatible with impulse resistance, and an electroacoustic transducer.The ...  
JP5684943B1
[Subject] A new oscillating generating system is built as a distorted oscillating generating system, and let it be a subject to apply this to a speaker. [Means for Solution] The following oscillating generating systems are built as a dis...  
JP5653543B1
[Subject] The flexibility of a design of an armature is raised and the electric machinery converter and electroacoustic transducer which may make good magnetic property and shock resistance compatible are provided. [Means for Solution] A...  
JP3193406U
[Subject] A source speaker of the multi-ring coaxial same sound which extends a range in which electric adjustment of an utterance unit is possible is provided. [Means for Solution] A source speaker of the multi-ring coaxial same sound i...  
JP5598109B2  
JP2014179948A
To provide an electromechanical transducer and an electroacoustic transducer which are capable of making compatible satisfactory magnetic characteristics and impulse resistance while improving a degree of freedom in designing an armature...  
JP3193184U
[Subject] An utterance oscillating sound source point of a low-pitched sound utterance unit and an inside loud-sound utterance unit is arranged in level height, and source speaker structure of the coaxial same sound which extends a range...  
JP3192571U
[Subject] Volume of the whole speaker is made small, an utterance oscillating sound source point of a low-pitched sound utterance unit and an inside loud-sound utterance unit is arranged in level height, and a source speaker of the coaxi...  
JP3192587U
[Subject] An utterance oscillating sound source point of a low-pitched sound utterance unit and an inside loud-sound utterance unit is arranged in level height, and a source speaker of the multi-voice coil coaxial same sound which extend...  
JP5541827B2  
JP5540921B2  
JP5540920B2  
JP5467530B2  
JP5447216B2  
JP2014011784A
To provide a technique which can obtain excellent characteristics even in a case where there is a limitation on a capacity, and can reduce unnecessary vibration, in a speaker device.A speaker device 10 comprises a first arm support part ...  
JP3188023U
[Subject] A dual dynamic type coaxal earphone which can solve mutual abnormal-conditions distortion of height compass is provided. [Means for Solution] It is located earphone case 2 which accommodation space 212 and sound hole 421 open f...  
JP2013534115A
An earphone assembly for an in year listening device is indicated. An earphone assembly has an internal housing containing a nozzle constituted in order to accept a sleeve arranged in a user's ear, and a balance door マチャ motor asse...  
JP2013534116A
A balance door マチャ motor assembly has a circuit board attached to a bobbin. It is fixed to the 1st terminal on a circuit board, and the 1st end of a wire coil penetrates the 1st clipping of a bobbin. It is fixed to the 2nd terminal...  
JP2013530656A
The formation method of a transducer and a transducer is indicated. This method includes carrying out position specification of the feeding wire which forms a drive pin on the lead surface in a wire point of contact, welding the 1st end ...  
JP2013142594A
To provide an easy-to-use vibration sensor detecting an external vibration by utilizing an electret.A vibration sensor outputs a detection signal of an external vibration when a relative position between an electret group and an electrod...  
JP2013138292A
To provide an electro-acoustic transducer that can reduce vibration in a longitudinal direction while positioning a supporting point of the vibration generated at a center of an electro-mechanical transducer.An electro-mechanical transdu...  
JP2013524630A
A loud speaker contains a movable type magnetic motor. A movable type magnetic motor contains a lever arm which has combined an armature provided with a magnetic career, an armature, and a pivot. A lever arm has combined an armature and ...  
JP2013055527A
To strengthen a sound in a low frequency range emitted from a driver unit.An exemplary driver unit includes: an acoustic conversion unit; and a housing body in which the acoustic conversion unit is housed, and in which an opening is form...  

Matches 301 - 350 out of 1,385