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    • 2. 发明授权
    • Loudspeaker system with broad image source
    • 扬声器系统具有广阔的图像源
    • US4266092A
    • 1981-05-05
    • US957423
    • 1978-11-02
    • Charles R. Barker, III
    • Charles R. Barker, III
    • H04R1/26H04R1/34H04R1/28
    • H04R1/26H04R1/345
    • A loudspeaker system comprises a woofer in a front panel, a midrange driver facing to the front and a tweeter in a corner panel separated from the midrange driver by the woofer and pointing to the front and side with a crossover network arranged to energize at least the midrange and tweeter in an overlapping frequency range. An adjustable deflector is positioned near the tweeter. Another embodiment of the invention has only a woofer and a tweeter on only one corner panel with the crossover network arranged to energize the two in a common frequency range that is greater than an octave.
    • 扬声器系统包括前面板中的低音扬声器,面向前部的中频驱动器和通过低音扬声器与中置驾驶员分离的角落面板中的高音单元,并且指向前侧和侧面,交叉网络布置成至少激励 中频和高音扬声器在重叠频率范围内。 可调式偏转器位于高音单元附近。 本发明的另一个实施例在仅一个拐角面板上仅具有低音扬声器和高音单元,其中交叉网络布置成在大于八度的公共频率范围内激励两者。
    • 10. 发明授权
    • Seat electroacoustical transducing
    • 座椅电声传导
    • US07688992B2
    • 2010-03-30
    • US11224886
    • 2005-09-12
    • Richard AylwardCharles R. Barker, III
    • Richard AylwardCharles R. Barker, III
    • H04R1/02
    • H04R1/028H04R1/345H04R1/403H04R5/02H04R2499/13
    • An acoustic device, including an acoustic enclosure and a first electroacoustical transducing apparatus comprising a motor structure providing mechanical vibration, the vibration having a direction of vibration, mounted in the acoustic enclosure. The acoustic device is constructed and arranged so that first pressure waves are radiated from a first radiation point and second pressure waves are radiated from a second radiation point and so that the first pressure waves and the second pressure waves destructively interfere at observation points relatively equidistant from the first and second radiation points. The acoustic device is further constructed and arranged to be structurally combined with a seating device so that the first radiation point is relatively close to the head of an occupant of the seating device and so that the second radiation point is relatively far from the head of the occupant. The acoustic device is further constructed and arranged to transmit the mechanical vibration to the seat back.
    • 一种声学装置,包括声学封套和第一电声换能装置,其包括提供机械振动的电动机结构,该振动具有安装在声学外壳中的振动方向。 声学装置被构造和布置成使得第一压力波从第一辐射点辐射,并且第二压力波从第二辐射点辐射,并且使得第一压力波和第二压力波相对等距离地观测点 第一和第二辐射点。 声学装置被进一步构造和布置成结构地与座位装置组合,使得第一辐射点相对靠近座椅装置的乘员的头部,并且使得第二辐射点相​​对远离座椅装置的头部 乘客。 声学装置进一步构造和布置成将机械振动传递到座椅靠背。