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1. 发明申请

US20170142526A1 CONDENSER MICROPHONE UNIT, CONDENSER MICROPHONE, AND METHOD OF MANUFACTURING CONDENSER MICROPHONE 有权
公开(公告)号：US20170142526A1
公开(公告)日：2017-05-18
申请号：US15283608
申请日：2016-10-03
申请人： KABUSHIKI KAISHA AUDIO-TECHNICA
发明人： Satoshi YOSHINO , Hiroaki FURUYA
IPC分类号： H04R19/04 , H04R31/00 , H04R1/04
CPC分类号： H04R19/04 , H04R1/021 , H04R1/04 , H04R19/00 , H04R31/006
摘要： A condenser microphone is provided that can ensure the fixation of an electroacoustic transducer inside a unit case and the grounding of the electroacoustic transducer, regardless of variations in manufacture of the unit case and a circuit board. A condenser microphone unit includes an electroacoustic transducer and a unit case accommodating the electroacoustic transducer. The unit case includes at least one protrusion that is disposed on the inner circumferential surface of the unit case. The electroacoustic transducer is fixed inside the unit case with the protrusion.

2. 发明申请

US20170134840A1 MICROPHONE 审中-公开
公开(公告)号：US20170134840A1
公开(公告)日：2017-05-11
申请号：US15337015
申请日：2016-10-28
申请人： Kabushiki Kaisha Audio-Technica
发明人： Hiroaki FURUYA
IPC分类号： H04R1/04 , F21V8/00 , F21V19/00 , H04R1/08 , F21V33/00
CPC分类号： H04R1/04 , F21V19/0055 , F21V33/0056 , G02B6/0005 , H04R1/083
摘要： A tubular microphone case having conductivity, a circuit board on which a circuit is configured, the circuit being used for an operation of a microphone unit that converts an audio signal into an electrical signal, a light source that is accommodated in a position close to a first end of the microphone case and emits light, a light source mounting board on which the light source is placed, a holding member that has conductivity, holds the light source mounting board and the circuit board, and is fixed to the microphone case, and a light guide member including a protrusion, and having an optically transmissive property are included, and the holding member includes a light source mounting board accommodating portion that accommodates the light source mounting board, a circuit board accommodating portion that accommodates the circuit board, and a hole that can accept the protrusion.

3. 发明申请

US20140198942A1 MICROPHONE 有权
标题翻译：麦克风
公开(公告)号：US20140198942A1
公开(公告)日：2014-07-17
申请号：US14146322
申请日：2014-01-02
申请人： KABUSHIKI KAISHA AUDIO-TECHNICA
发明人： Hiroaki FURUYA , Hiroshi AKINO
IPC分类号： H04R9/02
CPC分类号： H04R9/025 , H04R1/04 , H04R1/08 , H04R1/2807 , H04R1/2892 , H04R3/00 , H04R9/08
摘要： A back air room of a microphone unit can be enlarged and a model with a sound signal output switch can easily be diverted to a switchless model. A reed switch 16 is used as the sound signal output switch which turns on or off the sound signal from a microphone unit 1. This reed switch is disposed at an output connector 11 portion at an rear end of a microphone case 6. It is arranged that a magnet 22 is disposed at a connector cover 21 which surrounds an output connector and relative movement of the connector cover with respect to the output connector allows on/off operation. Thus, by removing the connector cover 21, it is possible to provide the microphone as a switchless model which always outputs the sound signal from the microphone unit 1.
摘要翻译：麦克风单元的后排空间可以放大，并且具有声音信号输出开关的模型可以容易地转移到无切换模型。簧片开关16用作声音信号输出开关，其从麦克风单元1接通或关闭声音信号。该舌簧开关设置在麦克风壳体6的后端处的输出连接器11部分。布置磁体22设置在围绕输出连接器的连接器盖21处，连接器盖相对于输出连接器的相对运动允许开/关操作。因此，通过去除连接器盖21，可以提供麦克风作为总是从麦克风单元1输出声音信号的无开关模型。

4. 发明申请

US20170134839A1 MICROPHONE 审中-公开
公开(公告)号：US20170134839A1
公开(公告)日：2017-05-11
申请号：US15336902
申请日：2016-10-28
申请人： Kabushiki Kaisha Audio-Technica
发明人： Hiroaki FURUYA
IPC分类号： H04R1/04 , F21V33/00 , F21V7/00 , H04R1/08 , F21V8/00
CPC分类号： H04R1/04 , F21V7/00 , F21V33/0052 , F21Y2115/10 , G02B6/0096 , H04R1/083
摘要： To enable light to be easily visually recognized, the light indicating an operation state. A tubular microphone case, a light source that is accommodated in a position close to a first end of the microphone case and emits light in a direction of the first end, a light source mounting board on which the light source is placed, a light guide member including a protrusion and having an optically transmissive property, and a holding member that maintains a position of the light source and a position of the light guide member, and is fixed to the microphone case together with the light source mounting board are included, and the holding member includes a hole capable of accepting the protrusion.

5. 发明申请

US20170064449A1 AUDIO OUTPUT CIRCUIT OF CONDENSER MICROPHONE 有权
标题翻译：冷凝器麦克风的音频输出电路
公开(公告)号：US20170064449A1
公开(公告)日：2017-03-02
申请号：US15243129
申请日：2016-08-22
申请人： KABUSHIKI KAISHA AUDIO-TECHNICA
发明人： Hiroaki FURUYA , Hiroshi AKINO , Satoshi YOSHINO
IPC分类号： H04R3/06 , H05B33/08 , F21V33/00 , F21V23/04 , H04R19/04 , H04R1/08
CPC分类号： H05B33/0842 , H04R1/08 , H04R3/00 , H04R19/04
摘要： An audio output circuit of a condenser microphone includes a condenser microphone unit, first and second impedance conversion circuits that receive a positive phase output signal and a reverse phase output signal from the condenser microphone unit, first and second output circuits that output an audio signal from the condenser microphone unit in a balanced line to a balanced output terminals upon receipt of outputs of the first and second impedance conversion circuits. First and second impedance conversion circuits respectively use FETs as source follower circuits and supply first and second impedance conversion outputs generated across source resistors to the first and second output circuits. A voltage regulating device that generates a constant voltage is connected in series to the source resistors. With this configuration, an audio output circuit of a condenser microphone is provided, which solves a problem of operation instability caused by variation of Idss's of the FETs.
摘要翻译：电容麦克风的音频输出电路包括电容麦克风单元，从电容式麦克风单元接收正相输出信号和反相输出信号的第一和第二阻抗转换电路，从电容麦克风单元输出音频信号的第一和第二输出电路，所述电容麦克风单元在接收到所述第一和第二阻抗转换电路的输出时在平衡线路中连接到平衡输出端子。第一和第二阻抗转换电路分别使用FET作为源极跟随器电路，并将源极电阻器两端产生的第一和第二阻抗转换输出提供给第一和第二输出电路。产生恒定电压的电压调节装置与源极电阻串联连接。利用这种配置，提供了一种电容麦克风的音频输出电路，其解决了由于FET的Idss的变化引起的操作不稳定性的问题。

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