公开(公告)号：US20040069939A1

公开(公告)日：2004-04-15

申请号：US10268326

申请日：2002-10-10

Applicant: Phone-Or Ltd.

Inventor： Alexander Paritsky ,  Sergei Smirnov

IPC: G01D005/34

CPC classification number: H04R23/008

Abstract: The invention provides a noise suppression phantom power optical microphone system having an optical microphone consisting of a light source having an input terminal, a membrane and a photodetector having an output terminal, the system including a signal amplifier connectable to the output terminal of the photodetector; a processing amplifier connected to the output of the signal amplifier for providing high amplification to relatively weak input signals and low amplification to relatively strong input signals; a first circuit connecting the input terminal of the light source to a phantom power source; a second circuit connecting the output of the signal amplifier to the first circuit, and a third circuit connecting the output of the processing amplifier to the first circuit.

Abstract translation: 本发明提供了一种噪声抑制幻影电力麦克风系统，其具有由具有输入端的光源组成的光学麦克风，具有输出端的膜和光电检测器，该系统包括可连接到光电检测器的输出端的信号放大器; 连接到信号放大器的输出端的处理放大器，用于向相对较弱的输入信号提供高放大率，并对相对较强的输入信号进行低放大; 将光源的输入端子连接到幻象电源的第一电路; 连接信号放大器的输出到第一电路的第二电路和将处理放大器的输出连接到第一电路的第三电路。

公开(公告)号：US20020080986A1

公开(公告)日：2002-06-27

申请号：US09882772

申请日：2001-06-14

Applicant: PHONE-OR, LTD.

Inventor： Alexander Paritsky ,  Alexander Kots ,  Masahiko Moriguchi ,  Tetsuro Inoue ,  Takumi Matsushima

IPC: H04R009/08 ,  H04R011/04

CPC classification number: H04R1/08

Abstract: A microphone comprising a membrane and a vibration sensing section provided with an air flowing hole independently of the outer periphery of the vibration sensing section. The air flowing hole is conventionally provided continuously from the outer periphery of the vibration sensing section to the inside.

Abstract translation: 一种麦克风，包括一个膜和一个独立于振动检测部分的外周设置有空气流动孔的振动检测部分。 通常，空气流动孔从振动检测部分的外周连续地设置到内部。

公开(公告)号：US20020094093A1

公开(公告)日：2002-07-18

申请号：US09884503

申请日：2001-06-14

Applicant: PHONE-OR LTD.

Inventor： Alexander Paritsky ,  Alexander Kots ,  Okihiro Kobayashi

IPC: H04R003/00 ,  H04B015/00

CPC classification number: H04R25/402

Abstract: A sound collector comprises switch means (55) for selecting one of the microphones (50a, 50b) directed to sound collection objects (60, 65) the angle between which is null. The microphone is an optical microphone comprising a diaphragm (2), a light source (3) for irradiating the diaphragm (2), a photodetector (5) outputting a vibration signal of the diaphragm (2), a light source driving circuit (13), and a negative feedback circuit (100) for supplying the output from the photodetector (5) to the light source driving circuit (13). The difference of the sensitivity between the sound collecting objects is eliminated by selecting one of the microphones through the switch means (55) and thereby changing the amount of negative feedback.

Abstract translation: 收音器包括用于选择指向声音收集对象（60,65）的一个麦克风（50a，50b）的开关装置（55），其之间的角度为θ。 麦克风是一种光学麦克风，包括一个光圈（2），一个用于照射隔膜（2）的光源（3），一个输出光阑（2）振动信号的光电检测器（5），一个光源驱动电路 ）和用于将来自光电检测器（5）的输出提供给光源驱动电路（13）的负反馈电路（100）。 通过通过开关装置（55）选择麦克风之一来消除收集对象之间的灵敏度的差异，从而改变负反馈量。

公开(公告)号：US20020085727A1

公开(公告)日：2002-07-04

申请号：US09882762

申请日：2001-06-15

Applicant: PHONE-OR LTD.

Inventor： Alexander Paritsky ,  Alexander Kots ,  Kazuo Takahashi ,  Okihiro Kobayashi

IPC: H04R025/00 ,  H04R009/08 ,  H04R011/04 ,  H04R017/02 ,  H04R019/04 ,  H04R021/02

CPC classification number: H04R1/083 ,  H04R1/1083

Abstract: A communication helmet having an enhanced noise reduction effect. The communication helmet incorporates a microphone disposed in the vicinity of the mouth of the speaker wearing the helmet. The microphone is an optical microphone comprising a diaphragm (31) vibrating with sound pressure, a case (40) containing the diaphragm (31) and having a first opening (38) and a second opening (39) open in symmetric positions and facing the diaphragm (31), a light source (32) for projecting a light beam to the diaphragm (31), and a photodetector (35) receiving part of the reflected light of the light beam projected to the diaphragm (31) and outputting a signal corresponding to the vibration of the diaphragm (31). The optical microphone is fixed to a fixing base (250) at a predetermined angle so that the incoming sound wave may uniformly enter the first opening (38) and the second opening (39). The fixing base (250) is attached to the helmet with a space so that the external sound wave may uniformly enter the first opening (38) and the second opening (39).

Abstract translation: 一种具有增强的降噪效果的通讯头盔。 通信头盔包括设置在佩戴头盔的扬声器的嘴部附近的麦克风。 该麦克风是一种光学麦克风，其包括以声压振动的隔膜（31），包含隔膜（31）的壳体（40），并且具有第一开口（38）和第二开口（39） 隔膜（31），用于将光束投射到隔膜（31）的光源（32）;以及光电检测器（35），其接收投射到隔膜（31）的光束的反射光的一部分，并输出信号 对应于隔膜（31）的振动。 光学传声器以预定角度固定到固定基座（250），使得进入的声波可以均匀地进入第一开口（38）和第二开口（39）。 固定基座（250）以一定的空间安装在头盔上，使外部声波均匀地进入第一开口（38）和第二开口（39）。

公开(公告)号：US20020079437A1

公开(公告)日：2002-06-27

申请号：US09882778

申请日：2001-06-14

Applicant: Phone-OR Ltd.

Inventor： Alexander Paritsky ,  Alexander Kots ,  Okihiro Kobayashi

IPC: G01D005/34 ,  G06M007/00

CPC classification number: H04R23/008

Abstract: A device for collecting sounds comprises a plurality of microphones arranged in a predetermined pattern, wherein selected microphones are directed to an object. A microphone selection and control unit (60) selects at least one of a plurality of microphones and drives the selected microphone to collect sound from the object and output a signal. An optical microphone includes a vibration board (2) which vibrates by sound pressure, a light source (3) for emitting a light beam to the vibration board (2), a photodetector (5) which receives the light beam reflected from the vibration board (2) and produces a signal corresponding to the vibration of the vibration board (2), and a drive circuit (13) for supplying the light source (3) with predetermined current. A sound signal is extracted through a negative feedback circuit (100) that supplies the drive circuit (13) with a negative feedback signal consisting of part of the sound signal output from the selected optical microphone through the selection and control unit (60).

Abstract translation: 用于收集声音的装置包括以预定图案布置的多个麦克风，其中选择的麦克风被引导到对象。 麦克风选择和控制单元（60）选择多个麦克风中的至少一个并驱动所选择的麦克风以从对象收集声音并输出信号。 光学麦克风包括通过声压振动的振动板（2），用于向振动板（2）发射光束的光源（3）;接收从振动板反射的光束的光电检测器（5） （2），产生与振动板（2）的振动对应的信号，以及用于向光源（3）供给预定电流的驱动电路（13）。 通过负反馈电路（100）提取声音信号，所述负反馈电路（100）通过所述选择和控制单元（60）向所述驱动电路（13）提供由所选择的光学麦克风输出的声音信号的一部分组成的负反馈信号。

公开(公告)号：US20030173708A1

公开(公告)日：2003-09-18

申请号：US10096043

申请日：2002-03-13

Applicant: Phone-Or Ltd.

Inventor： Alexander Paritsky ,  Alexander Kots

IPC: B29C070/88

CPC classification number: B29C70/72

Abstract: A method of making optical transducers by producing an integrated structure including, in a rectangular matrix array, a plurality of discrete light sources, a plurality of discrete light detectors each laterally spaced from a light source, a light shield in the space between a light source and a light detector for shielding the light detector from direct exposure to the light source, and a transparent plastic potting material embedding the light sources, light detectors and light shield; and cutting the integrated structure, along lines of the matrix, into individual optical units, each including a light source, a light detector, a light shield therebetween all embedded in the transparent plastic potting material, and an optical window for outputting light from the light source and for transmitting to the light detector light reflected back from the light source. Also described are optical units of a structure facilitating mass production of such optical transducers and providing a sturdy construction permitting rough handling.

Abstract translation: 一种制造光学换能器的方法，该方法通过产生一种整体结构，其包括矩形阵列中的多个离散光源，与光源横向隔开的多个离散光检测器，光源之间的空间中的光屏蔽 以及用于屏蔽光检测器直接暴露于光源的光检测器，以及嵌入光源，光检测器和遮光罩的透明塑料灌封材料; 并且沿着矩阵线将整体结构切割成各自的光学单元，每个光学单元包括光源，光检测器，其间全部嵌入透明塑料灌封材料中的光屏蔽以及用于输出来自光的光的光学窗口 源和用于传输到从光源反射回的光检测器。 还描述了促进大量生产这种光学换能器的结构的光学单元，并且提供了坚固的结构，允许粗暴的处理。

公开(公告)号：US20030173507A1

公开(公告)日：2003-09-18

申请号：US10097557

申请日：2002-03-13

Applicant: Phone-Or Ltd.

Inventor： Alexander Paritsky ,  Alexander Kots

IPC: G01J001/04

CPC classification number: H04R23/008

Abstract: An optical transducer includes a base member, a light source carried on a face of the base member, a light detector carried on the face of the base member, a displaceable member overlying and spaced from the light source and light detector and effective to reflect light from the light source to the light detector, and light shielding means effective to shield the light detector from exposure to the light source except for the light reflected by the displaceable member from the light source to the light detector. The light detector is configured to substantially surround the light source such as to receive light emitted in substantially all directions from the light source for reflection to the light detector by the displaceable member.

Abstract translation: 一种光学换能器，包括：基座部件，承载在基体部件表面上的光源，承载在基体部件表面上的光检测器，与光源和光检测器重叠并间隔开的可移位部件， 从光源到光检测器，以及遮光装置，除了由可移动部件从光源到光检测器反射的光之外，有效地屏蔽光检测器不被光源照射。 光检测器被配置为基本上围绕光源，以便接收从光源的基本上所有方向发射的光，以便通过可移位部件反射到光检测器。

公开(公告)号：US20030016838A1

公开(公告)日：2003-01-23

申请号：US10187364

申请日：2002-07-02

Applicant: Phone-Or Ltd

Inventor： Alexander Paritsky ,  Alexander Kots

IPC: H04R025/00

CPC classification number: H04R23/008

Abstract: An optical microphone which comprises a source of light connectable to a power source for illuminating an acoustically sensitive membrane; a photo detector having an output for transforming light reflected by the membrane into electrical signals proportional to the intensity of the reflected light; and a circuit for measuring the level of signals at the output of the photodetector for controlling the current fed to the source of light by the power source so that the current is low when the output signals of the photodetector are lower than a defined value, and the current is high when the output signals of the photodetector are higher than the defined value.

Abstract translation: 一种光学麦克风，其包括可连接到电源的光源，用于照亮声敏敏感膜; 具有用于将由膜反射的光转换成与反射光的强度成比例的电信号的输出的光电检测器; 以及电路，用于测量光电检测器的输出端的信号电平，以控制由电源馈送到光源的电流，使得当光电检测器的输出信号低于定义值时，电流较低;以及 当光电检测器的输出信号高于规定值时，电流高。

公开(公告)号：US20020080241A1

公开(公告)日：2002-06-27

申请号：US09883058

申请日：2001-06-14

Applicant: PHONE-OR LTD.

Inventor： Alexander Paritsky ,  Alexander Kots ,  Okihiro Kobayashi ,  Nobuhiro Miyahara ,  Hachiro Sato

IPC: H04N005/225

CPC classification number: H04R23/008 ,  H04N5/232

Abstract: A video camera with a microphone having controllable directivity characteristics to an object in synchronism with focusing of the video camera to the object. The microphone is an optical microphone (300) comprising a diaphragm (2) vibrating with sound pressure, a light source (3) for irradiating the diaphragm (2) with a light beam, a photodetector (5) for receiving part of the light beam reflected from the diaphragm (2) and outputting a signal corresponding to the vibration of the diaphragm, a circuit (13) for driving the light source (3) by supplying a predetermined current, and a negative feedback circuit (100) for supplying a part of the signal outputted from the photodetector (5) to the light source driving circuit (13) as a negative feedback signal. The directivity characteristics of the optical microphone (300) are controlled by varying the magnitude of the negative feedback signal with a zooming signal indicative of the zooming amount of the video camera with respect to the object.

Abstract translation: 具有麦克风的摄像机具有与摄像机对准物体同步的对象的可控指向性特征。 麦克风是包括用声压振动的隔膜（2）的光学麦克风（300），用光束照射隔膜（2）的光源（3），用于接收光束的一部分的光电检测器 从光阑（2）反射并输出与光阑振动相对应的信号，用于通过提供预定电流驱动光源（3）的电路（13），以及用于提供部件的负反馈电路（100） 从光检测器（5）输出到光源驱动电路（13）的信号作为负反馈信号。 通过用指示摄像机相对于物体的变焦量的变焦信号来改变负反馈信号的幅度来控制光学麦克风（300）的方向性特性。

公开(公告)号：US20030039368A1

公开(公告)日：2003-02-27

申请号：US10226707

申请日：2002-08-22

Applicant: Phone-Or Ltd.

Inventor： Alexander Paritsky ,  Sergei Smirnov ,  Avraham Kushnirov

IPC: H04R029/00 ,  H04R003/00

CPC classification number: H04R23/008

Abstract: A dynamic noise suppression system for an optical microphone including an optical microphone having a light source illuminating an acoustically sensitive membrane reflecting light onto a photodetector and an input and an output, a logarithmic amplifier connected to the output of the optical microphone, a variable impedance connected between the output of the amplifier and the input to the optical microphone, the variable impedance receiving control signals from the output of the amplifier, the output of the optical microphone, or an external source.

Abstract translation: 一种用于光学麦克风的动态噪声抑制系统，包括具有光源的光学麦克风，该光学麦克风将反射光的声学敏感膜照射到光电检测器上，以及输入和输出端，连接到光学麦克风的输出的对数放大器， 在放大器的输出与光学麦克风的输入之间，来自放大器的输出的可变阻抗接收控制信号，光学麦克风的输出或外部源。