Directional wireless communication systems

    公开(公告)号:US20070287516A1

    公开(公告)日:2007-12-13

    申请号:US11893835

    申请日:2007-08-16

    Abstract: A wireless communication system based on a directional speaker is disclosed. The system can include an interface unit and a base unit. The audio signals from the speaker can be generated by transforming ultrasonic signals in air. This allows the production of directional audio signals even when the aperture of the speaker has dimensions in the order of a few centimeters. The audio signals from the speaker can be heard hands-free. Further, privacy protection is enhanced. In one embodiment, the interface unit can be attached or integrated to a piece of clothing at the shoulder of the user, with the audio signals from the speaker directed towards one of the user's ears. The wireless communication system can be applied to a number of different areas, including a communication device, such as a cell phone; a hearing aid; an entertainment system; and a computation system, such as a personal digital assistant or a computer. The wireless communication system can be personalized to the hearing characteristics of the user, or to the ambient noise level of the environment.

    Comfortable seating arrangements with easy access
    8.
    发明申请
    Comfortable seating arrangements with easy access 有权
    舒适的座位安排方便

    公开(公告)号:US20060192050A1

    公开(公告)日:2006-08-31

    申请号:US11364456

    申请日:2006-02-28

    Abstract: A seating arrangement with improved seating comfort is disclosed. In one embodiment, the seating arrangement is for a transportation vehicle. The arrangement includes seats at least having two levels adjacent to single-level seats. The multi-level seats include at least a bottom row of seats and a top row of seats. In one embodiment, the bottom row seats are on a floor; and there is an imaginary horizontal plane that is parallel to the floor, and that at least a part of the top row seats and at least a part of the bottom row seats intersect. The single-level seats include at least two rows, with at least one seat in each row being adjacent to the aisle, to allow passengers to access the single-level seats. In another embodiment, a seating arrangement includes only multi-level seats. In yet another embodiment, a computer-implemented method is applicable to the seats, such as allowing the display of a visual representation of a top-row seat and a bottom-row seat.

    Abstract translation: 公开了一种具有改善座椅舒适性的座椅装置。 在一个实施例中,座椅装置用于运输车辆。 该装置包括至少具有与单级座椅相邻的两个等级的座椅。 多层座椅至少包括一排座椅和一排座椅。 在一个实施例中,底排座位在地板上; 并且存在平行于地板的假想水平面,并且顶排座椅的至少一部分和底排座椅的至少一部分相交。 单级座椅包括至少两排,每排至少有一个座位与走道相邻,以允许乘客进入单一座椅。 在另一个实施例中,座椅装置仅包括多层座椅。 在另一个实施例中,计算机实现的方法适用于座椅,例如允许显示顶排座椅和底排座椅的视觉表示。

    Directional wireless communication systems
    10.
    发明申请
    Directional wireless communication systems 有权
    定向无线通信系统

    公开(公告)号:US20050009583A1

    公开(公告)日:2005-01-13

    申请号:US10826529

    申请日:2004-04-15

    Abstract: A wireless communication system based on a directional speaker is disclosed. The system can include an interface unit and a base unit. The audio signals from the speaker can be generated by transforming ultrasonic signals in air. This allows the production of directional audio signals even when the aperture of the speaker has dimensions in the order of a few centimeters. The audio signals from the speaker can be heard hands-free. Further, privacy protection is enhanced. In one embodiment, the interface unit can be attached or integrated to a piece of clothing at the shoulder of the user, with the audio signals from the speaker directed towards one of the user's ears. The wireless communication system can be applied to a number of different areas, including a communication device, such as a cell phone; a hearing aid; an entertainment system; and a computation system, such as a personal digital assistant or a computer. The wireless communication system can be personalized to the hearing characteristics of the user, or to the ambient noise level of the environment.

    Abstract translation: 公开了一种基于定向扬声器的无线通信系统。 该系统可以包括接口单元和基本单元。 来自扬声器的音频信号可以通过在空气中转换超声信号来产生。 即使当扬声器的孔径尺寸为几厘米数量级时,也允许产生定向音频信号。 来自扬声器的音频信号可以免提听到。 此外,增强了隐私保护。 在一个实施例中,接口单元可以被附接或集成到用户肩膀处的一件衣服,来自扬声器的音频信号指向用户的耳朵之一。 无线通信系统可以应用于多个不同的区域,包括诸如蜂窝电话的通信设备; 助听器 娱乐系统; 以及诸如个人数字助理或计算机之类的计算系统。 无线通信系统可以根据用户的听觉特性或环境的环境噪声水平进行个性化。

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