公开(公告)号：EP1875771A1

公开(公告)日：2008-01-09

申请号：EP06722899.9

申请日：2006-04-18

申请人： Dynaton APS

发明人： LARSEN, Soren Mac ,  HØG-IVERSEN, Lars

IPC分类号： H04R3/02

CPC分类号： H04S7/307 ,  H04R3/14 ,  H04S7/305

摘要： There is provided a filter system for modifying an electrical signal. The filter system has an input for receiving an electrical signal to be modified, a subtraction circuit for deliver- ing a modified output signal, a direct signal part between the input and the subtraction circuit, and a modifying signal part between the input and the subtraction circuit. The modifying signal part comprises one or more inverse comb filter signal paths, where each inverse comb filter signal path has circuitry for performing an inverse comb filter function. The subtraction circuit is designed for performing a subtraction of the signals supplied via the direct signal part and the modifying signal part to thereby obtain the modified output signal. The hereby provided filter system may be used as an inverse comb filter system for modifying an audio signal in an audio system. Thus, there is also provided an audio system having an audio signal source for outputting an electrical signal representing an acoustic audio signal, and a sound source for reproducing an acoustic audio signal, said sound source having an electrical signal input and being operative to generate an acoustic audio output in response to a signal supplied to the electrical signal input. The audio system further has one or more of the inverse comb filter systems arranged between the audio signal source and the signal input of the sound source for delivering a modified signal to the electrical signal input of the sound source. The signal supplied to the subtraction circuit by the modifying signal part may be filtered by use of the one or more inverse comb filter functions.

公开(公告)号：EP1714525A1

公开(公告)日：2006-10-25

申请号：EP04706994.3

申请日：2004-01-30

申请人： Thomson Licensing

发明人： RUMREICH, Mark, Francis

IPC分类号： H04R3/14

CPC分类号： H04R3/14

摘要： A first-order crossover network having low-pass and high-pass filters to respectively drive first and second loudspeakers in a loudspeaker system is designed such that the phase difference at a crossover frequency between output signals of the first and second loudspeakers is no greater than 60 degrees, so that the output signals are at least partially in phase. Preferably, the phase difference should be about 40 degrees to create a near in-phase effect. The polarity in which the first loudspeaker is coupled to the first-order crossover network is an inverse of the polarity in which the second loudspeaker is coupled to the crossover network. Optionally, the input signals can be equalized to flatten the magnitude responses of the crossover network.

公开(公告)号：EP1050191A4

公开(公告)日：2006-07-26

申请号：EP98963059

申请日：1998-12-10

申请人： NEW TRANSDUCERS LTD

发明人： HAYES MICHAEL A ,  CONLEY JOHN K ,  O'BRIEN SEAN ,  PARRELLA MICHAEL J ,  CLAYBAUGH DAVID ,  LUNDIE THOMAS ,  KITOV ZEEV

IPC分类号： H04R1/26 ,  H04R1/28 ,  H04R3/14 ,  H04R11/02 ,  H04R17/00 ,  H04R25/00

CPC分类号： H04R1/2888 ,  H04R1/26 ,  H04R3/14 ,  H04R11/02 ,  H04R17/00

摘要： A thin loudspeaker is provided that produces a superior frequency response and a diffuse acoustical pattern using magnetic drivers, acoustical plates, or a combination of magnetic drivers and acoustical plates. The invention contains a specially designed crossover network and a novel enclosure design. The novel enclosure includes a septum and cross bracing which enables the invention to realize superior performance in a thin loudspeaker design. The invention encompasses methods for improving the performance of an acoustical plate which include (1) placing acoustical plate motor elements on the plate in a manner that avoids rotational, mirror, and translational symmetry, (2) using acoustical plate motor elements of different shapes and sizes to stimulate the plate, and (3) using an acoustical plate that has an asymmetric shape. All of the embodiments of the invention may be covered with a decorative cover and hung on a wall like a picture or used to form a panel in a home entertainment center.

公开(公告)号：EP1657956A2

公开(公告)日：2006-05-17

申请号：EP05024714.7

申请日：2005-11-11

申请人： Pioneer Corporation ,  Tohoku Pioneer Corporation

发明人： Iekura, Koutaro Tohoku Pioneer Corporation ,  Taira, Hiroyuki Tohoku Pioneer Corporation

IPC分类号： H04R3/14 ,  H04R9/02

CPC分类号： H04R9/02 ,  H04R3/14 ,  H04R2201/34 ,  H04R2400/11 ,  H04R2499/13

摘要： An assembly in which a tying band (42) is fixed to a network coil (41) is formed by placing the tying band (42) adjacent to the outer circumferential surface of the network coil (41) parallel with the longitudinal direction of the network coil (41) and heat-shrinking a heat-shrinkable tube (43) in which the tying band (42) and the network coil (41) are inserted, and the tying band (42) of the assembly is tied to a proper portion the speaker frame (33). The network coil (including both its ends) can be fixed to the speaker frame firmly. The heat-shrinkable tube (43) which surrounds the network coil prevents the network coil (41) from waterdrop.

摘要翻译： 通过将捆扎带（42）与网络线圈（41）的外周表面相邻的方式与网络的纵向方向平行地形成，其中捆扎带（42）固定到网络线圈（41）的组件 线圈（41）并且热收缩其中捆扎带（42）和网络线圈（41）插入的热收缩管（43），并且组件的捆扎带（42）被连接到适当的部分 扬声器框架（33）。 网络线圈（包括其两端）可以牢固地固定在扬声器框架上。 围绕网络线圈的热收缩管（43）防止网络线圈（41）脱水。

公开(公告)号：EP1655991A1

公开(公告)日：2006-05-10

申请号：EP04748300.3

申请日：2004-08-06

申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

发明人： IKEUCHI, Kazuhiko ,  SATOH, Kazue ,  MATSUOKA, Yuichi

IPC分类号： H04R1/26 ,  H04R3/12 ,  H04N5/64 ,  H04R3/14

CPC分类号： H04R3/14 ,  H04R5/02 ,  H04R2499/15

摘要： The present invention provides a speaker system for picture receiver and its installing method capable of lessening the casing width of the picture receiver while assuring highly uniform acoustic characteristic at listening points in a sufficiently broad range. The speaker system for picture receiver and its speaker installing method comprises a first speaker for reproducing medium and high range sound at the right and left of the screen of a picture receiver and a second speaker for reproducing medium and low range sound under the screen, wherein the speaker system is set in such place that when a listening point is set at a position a first distance apart from the picture receiver and within a second distance from the front axis at the center of the right and left of the screen, the distance from the first speaker to the listening point is R1, the distance from the second speaker to the listening point is R2, and the crossover frequency is f, then R1, R2 and f satisfy the specified relative formula.

摘要翻译： 本发明提供一种用于图像接收机的扬声器系统及其安装方法，其能够在足够宽的范围内在收听点确保高度一致的声学特性的同时，减小图像接收机的外壳宽度。 用于图像接收机的扬声器系统及其扬声器安装方法包括第一扬声器和第二扬声器，第一扬声器用于在图像接收器的屏幕的右侧和左侧再现中等和高范围的声音，第二扬声器用于在屏幕下再现中低音域的声音，其中， 扬声器系统被设置在这样的位置，即当收听点被设置在离图像接收器第一距离的位置处并且距屏幕左右中心处的前轴的第二距离内时，距离 到收听点的第一个扬声器是R1，第二个扬声器到收听点的距离是R2，交叉频率是f，则R1，R2和f满足指定的相对公式。

公开(公告)号：EP0991297A3

公开(公告)日：2006-05-10

申请号：EP99402405.7

申请日：1999-10-01

申请人： MURATA MANUFACTURING CO., LTD.

发明人： Nakamura, Takeshi, Murata Manufacturing Co., Ltd.

IPC分类号： H04R5/04

CPC分类号： H04R1/26 ,  H04R3/14 ,  H04R5/02

摘要： A 3D woofer drive circuit capable of miniaturizing a 3D system and reducing the cost thereof includes two resistors (38a,38b) to synthesize an L-channel sound signal with an R-channel sound signal. Each end of a capacitor (40) forming a part of a low pass filter and two fixed terminals of a variable resistor (42) are respectively connected between a connection point of the resistors (38a,38b) and a grounding terminal which is a reference potential. A speaker terminal (46) for the woofer is connected to a movable terminal of the variable resistor (42) through a buffer amplifier (44).

公开(公告)号：EP1097510A4

公开(公告)日：2005-09-14

申请号：EP98952046

申请日：1998-10-02

申请人： DIAURAL LLC

发明人： ALEXANDER ERIC

IPC分类号： H04R3/14 ,  H03G5/00

CPC分类号： H04R3/14

摘要： A crossover network for partitioning by frequency an electrical audio signal from an amplifier into a plurality of frequency bands, namely a high frequency band, and a low frequency band, and alternatively a high frequency band, a mid-range frequency band, and a low frequency band. The crossover network is implemented in a simplified configuration without the required use of capacitors and in a series configuration which reduces cost and component matching complexity. In one embodiment, high frequency driver (48) is configured in shunt with inductor (46) with a resistive component connected at least partially in shunt with low frequency driver (52). This crossover network provides improved performance and simplified crossover network implementation.

摘要翻译： 一种交叉网络，用于将来自放大器的电音频信号频率分频成多个频带，即高频带和低频带，以及高频带，中频带和低频带 频带。 交叉网络以简化的配置实现，而不需要使用电容器和串联配置，这降低了成本和组件匹配的复杂性。 在一个实施例中，高频驱动器被配置为与具有至少部分地与低频驱动器分流连接的电阻部件的电感器分流。 这种交叉网络提供了改进的性能和简化的交叉网络实现。

公开(公告)号：EP1017251A3

公开(公告)日：2005-03-23

申请号：EP99124760.2

申请日：1999-12-13

申请人： Pioneer Corporation

发明人： Okada, Haruo, c/o PIONEER CORPORATION ,  Takahashi, Shunichi, c/o PIONEER CORPORATION ,  Ohyaba, Takashi, c/o PIONEER CORPORATION ,  Nagatani, Tohru, c/o PIONEER CORPORATION ,  Hanayama, Katsuoki, c/o PIONEER CORPORATION

IPC分类号： H04R5/04

CPC分类号： H04R1/26 ,  H04R3/14 ,  H04R5/033 ,  H04R5/0335 ,  H04R5/04

摘要： An audio device has an electroacoustic transducer mounted on a clamp (2B) for converting an electric signal into an acoustic signal, an electromechanical vibration transducer (12) for converting the electric signal into a mechanical vibration, and an abutting member (11) having the electromechanical vibration transducer (12) therein and mounted on the clamp (2B) so that the electromechanical vibration transducer (12) is adapted to be contacted with a cervix of a user when the audio device is worn on the head of the user.

摘要翻译： 音频装置具有安装在用于将电信号转换为声信号的夹具（2B）上的电声换能器，用于将电信号转换为机械振动的机电振动传感器（12），以及具有 机电振动传感器（12），并安装在夹具（2B）上，使得机电振动传感器（12）适于在音频装置佩戴在使用者头上时与用户的子宫颈接触。

公开(公告)号：EP1500299A1

公开(公告)日：2005-01-26

申请号：EP03747401.2

申请日：2003-03-05

申请人： Bayerische Motoren Werke Aktiengesellschaft

发明人： KIRK, Edgar

IPC分类号： H04R3/12

CPC分类号： H04R3/14 ,  H04R5/04 ,  H04R2499/13

摘要： The invention relates to a loudspeaker system with three loudspeakers (LF, LR, LB), comprising a first and a second amplifier (BF, BR), each of which amplifies one channel of an audio signal. The outputs (FDA, FIA, RDA, RIA) of the amplifiers are in phase opposition and are connected to the respective inputs of the first and second loudspeaker (LF, LR). The outputs (RDA, FIA; RDA, FIA) of the amplifiers are also connected to the inputs of the third loudspeaker (LB). A high-pass filter (HP) and a low-pass filter (TP), which are used for splitting the audio signal, are connected in parallel. The amplifiers are configured as bridge output stages (BF, BR). The output of the high-pass filter (HPA) is connected to the inputs of both bridge output stages (BF, BR). An inverter (IF, IR) is disposed between the output of the high-pass filter (HPA) and one respective input of the bridge output stages (BF, BR). Summing units (SF, SR) are connected upstream from the inputs of the bridge output stages (BF, BR) while the output of the low-pass filter is connected to the inputs of the summing units (SF, SR). An inverter (IB) is disposed at one bridge output stage (BR) between the output of the low-pass filter (TP) and the inputs of the summing units (SR). The third loudspeaker (LB) is connected to two outputs of the two bridge output stages (BF, BR), which are in phase opposition.

公开(公告)号：EP0965168A4

公开(公告)日：2004-12-22

申请号：EP98910116

申请日：1998-03-02

申请人： MULTI SERVICE CORP

发明人： COMBEST CHRISTOPHER E

IPC分类号： H04R3/14 ,  H03G5/00 ,  H03H7/46

CPC分类号： H04R3/14

摘要： An audio crossover circuit for use with audio speakers is disclosed. The audio crossover circuit includes a pair of inductors that are series connected and inductively coupled and a pair of capacitors. The inductors and capacitors cooperate for achieving a low pass crossover slope in excess of 30 dB/octave within one half of an octave of the crossover frequency, thereby eliminating the need for additional inductors and capacitors. The crossover circuit also includes a resistor in series with one of the capacitors for further enhancing the crossover slope beyond an octave above the crossover frequency.

摘要翻译： 公开了一种用于音频扬声器的音频交叉电路。 音频交叉电路包括串联连接并电感耦合的一对电感器和一对电容器。 电感器和电容器配合使用，可在交叉频率的八分之一半内实现超过30 dB /倍频程的低通交叉斜率，从而无需额外的电感器和电容器。 交叉电路还包括与其中一个电容器串联的电阻器，用于进一步将交叉斜率提高到交叉频率以上的八度以上。