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    Combined earphones with charging case
    1.
    外观设计
    Combined earphones with charging case 有权

    公开(公告)号：USD1019612S1

    公开(公告)日：2024-03-26

    申请号：US29827894

    申请日：2022-02-23

    申请人： Yifeng Zhang

    设计人： Yifeng Zhang

    摘要： FIG. 1 is a perspective view of the earphones of a combined earphones with charging case showing the new design, shown separately to show aspects of the design that are not visible when combined;
    FIG. 2 is a front view thereof;
    FIG. 3 is a rear view thereof;
    FIG. 4 is a left side view thereof;
    FIG. 5 is a right side view thereof;
    FIG. 6 is a top plan view thereof;
    FIG. 7 is a bottom plan view thereof;
    FIG. 8 is a perspective view of the charging case of the combined earphones with charging case shown separately to show aspects of the design that are not visible when combined;
    FIG. 9 is a front view thereof;
    FIG. 10 is a a rear view thereof;
    FIG. 11 is a left side view thereof;
    FIG. 12 is a right side view thereof;
    FIG. 13 is a top plan view thereof;
    FIG. 14 is a bottom plan view thereof;
    FIG. 15 is a perspective view of the combined earphones with charging case shown in an open configuration; and,
    FIG. 16 is an enlarged view of an encircled portion of the combined earphones with charging case labeled 16 in FIG. 2.
    The evenly-dashed broken lines depict portions of the combined earphones with charging case that form no part of the claimed design. The dash-dot broken lines encircling portions illustrated in the enlargements form no part of the claimed design,

    Radio transmitter and radio receiver with channel condition assessment
    4.
    发明授权
    Radio transmitter and radio receiver with channel condition assessment 有权
    无线电发射机和无线电接收机，具有信道状况评估

    公开(公告)号：US08238844B2

    公开(公告)日：2012-08-07

    申请号：US12473281

    申请日：2009-05-28

    申请人： Yifeng Zhang ,  Tracey Lee Chavers ,  Peiqi Xuan ,  Qifa Wu

    发明人： Yifeng Zhang ,  Tracey Lee Chavers ,  Peiqi Xuan ,  Qifa Wu

    IPC分类号： H03C1/62 ,  H04B17/00 ,  H04B1/18 ,  H04W4/00

    CPC分类号： H04B1/034 ,  H03J1/0091

    摘要： FM radio transmitter is being widely used in portable devices as a convenient way to output audio contents to ubiquitously available FM radio receivers in cars or homes. However, the signal from the FM radio transmitter may be interfering with the signal being broadcast by an FM radio station. A scan system is incorporated into the FM radio transmitter to quickly and reliably identify a vacant channel for the FM radio transmitter to use. The scan system measures on-channel and out-of-channel signal quality and selects a best channel for transmission based on the measured on-channel and out-of-channel signal quality. The scan system is also incorporated into an FM radio receiver to quickly and reliably tune to a valid channel. The scan system selects the valid channel based on the measured on-channel and out-of-channel signal quality.

    摘要翻译： FM无线电发射机正在便携式设备中广泛使用，以便将音频内容输出到汽车或家庭中普遍可用的FM无线电接收机。 然而，来自FM无线电发射机的信号可能干扰由FM无线电台广播的信号。 扫描系统被并入FM无线电发射机，以快速可靠地识别用于FM无线电发射机使用的空闲信道。 扫描系统测量通道和通道外信号质量，并根据测量的通道和通道外信号质量选择最佳传输通道。 扫描系统也被并入到FM无线电接收机中以快速可靠地调谐到有效信道。 扫描系统基于所测量的在线信道和信道外信号质量来选择有效信道。

    System and Method for Configurable Multi-standard Receiver
    5.
    发明申请
    System and Method for Configurable Multi-standard Receiver 审中-公开
    可配置多标准接收机的系统和方法

    公开(公告)号：US20120026407A1

    公开(公告)日：2012-02-02

    申请号：US13116532

    申请日：2011-05-26

    申请人： Yifeng Zhang ,  Rong Liu ,  Peiqi Xuan ,  Xiaodong Jin

    发明人： Yifeng Zhang ,  Rong Liu ,  Peiqi Xuan ,  Xiaodong Jin

    IPC分类号： H04N5/50 ,  H04B1/16 ,  H04B1/06

    CPC分类号： H04B1/30 ,  H04B1/0032 ,  H04B1/406 ,  H04N5/46 ,  H04N21/42638

    摘要： A configurable multi-standard receiver. A receiver comprises a mixer, a processing module and an analog to digital converter is disclosed to receive multi-standard radio signals. The processing module includes a first selection switch and first parameter control, where the first selection switch configures the processing module as a complex filter or a real-valued filter and the first parameter control configures the characteristics of the filter. Furthermore, the analog to digital converted is preferably implemented using sigma delta modulation to achieve a desired noise shaping. The sigma delta modulation comprises a second selection switch and second parameter control. The second selection switch configures the sigma delta modulation to function as a unit having a complex loop filter or a unit having real-valued loop filters. The second parameter control configures the characteristics of the loop filter. The settings for the first and second selection switches and the first and second control parameters may be stored in a control register.

    摘要翻译： 可配置的多标准接收器。 接收机包括混频器，处理模块和模数转换器，用于接收多标准无线电信号。 处理模块包括第一选择开关和第一参数控制，其中第一选择开关将处理模块配置为复数滤波器或实值滤波器，并且第一参数控制器配置滤波器的特性。 此外，优选地，使用Σ-Δ调制来实现模数转换，以实现期望的噪声整形。 Σ-Δ调制包括第二选择开关和第二参数控制。 第二选择开关将Σ-Δ调制配置为具有复环路滤波器或具有实值环路滤波器的单元的单元。 第二个参数控制配置环路滤波器的特性。 第一和第二选择开关以及第一和第二控制参数的设置可以存储在控制寄存器中。

    CHANNEL COORDINATION BETWEEN A WIRELESS EARPHONE AND A TRANSMITTER
    7.
    发明申请
    CHANNEL COORDINATION BETWEEN A WIRELESS EARPHONE AND A TRANSMITTER 有权
    无线耳机与发射机之间的通道协调

    公开(公告)号：US20090310803A1

    公开(公告)日：2009-12-17

    申请号：US12172147

    申请日：2008-07-11

    申请人： Yifeng ZHANG ,  Kou-Hu TZOU ,  Pengyi HONG ,  Hangwei GUO

    发明人： Yifeng ZHANG ,  Kou-Hu TZOU ,  Pengyi HONG ,  Hangwei GUO

    IPC分类号： H04R5/02 ,  H04B1/18

    CPC分类号： H04W72/02

    摘要： A method of the present invention includes coordinating tuning to the same channel of a radio band wherein the following steps are performed: tuning to a channel, within a radio band, that uses a side band; receiving control information in the side band of the channel; and processing the received audio information in the channel using the control information.

    摘要翻译： 本发明的方法包括将调谐调谐到无线电频带的相同信道，其中执行以下步骤：调谐到使用边带的无线电频带内的信道; 在所述信道的边带中接收控制信息; 以及使用所述控制信息处理所述频道中接收的音频信息。

    System And Method For Energy Efficient Signal Detection In A Wireless Network Device
    10.
    发明申请
    System And Method For Energy Efficient Signal Detection In A Wireless Network Device 审中-公开
    无线网络设备中的能量信号检测系统与方法

    公开(公告)号：US20070202911A1

    公开(公告)日：2007-08-30

    申请号：US10569205

    申请日：2004-08-28

    申请人： Olaf Hirsch ,  Charles Razzell ,  Yifeng Zhang

    发明人： Olaf Hirsch ,  Charles Razzell ,  Yifeng Zhang

    IPC分类号： H04B7/00

    CPC分类号： H04W52/287 ,  H04W52/0225 ,  Y02D70/142

    摘要： An incoming signal, such as a data frame, is detected in a RF stage (302) of a wireless station (300). This allows the baseband stage (304) to be in a low power or off state until an incoming signal is detected. By detecting an incoming signal in the RF stage (302), the amount of power consumed by the baseband stage (304) is advantageously reduced. When an incoming signal is detected, the RF stage (302) generates an activation signal that is sent to the baseband stage (304) to activate the baseband stage (304). Once activated, the baseband stage (304) receives the signal and performs signal processing and data recovery operations.

    摘要翻译： 在无线站（300）的RF级（302）中检测诸如数据帧的输入信号。 这允许基带级（304）处于低功率或关断状态，直到检测到输入信号。 通过检测RF级（302）中的输入信号，有利地减少了基带级（304）消耗的功率量。 当检测到输入信号时，RF级（302）产生发送到基带级（304）以激活基带级（304）的激活信号。 一旦被激活，基带级（304）接收信号并执行信号处理和数据恢复操作。