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JP6276511B2 |
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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...
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JP6265421B2 |
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JP6263520B2 |
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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JP5992074B2 |
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JP5973809B2 |
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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...
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JP5927186B2 |
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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...
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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...
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JP5899346B2 |
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JP5886126B2 |
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JP5862310B2 |
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JP5811705B2 |
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JP5802547B2 |
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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...
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JP5793566B2 |
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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 ...
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JP5760081B2 |
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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 ...
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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...
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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...
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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...
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JP5598109B2 |
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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...
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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...
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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...
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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...
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JP5541827B2 |
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JP5540921B2 |
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JP5540920B2 |
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JP5467530B2 |
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JP5447216B2 |
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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