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    • 3. 发明申请
    • Transmitter circuit and method for modulation distortion compensation
    • 发射机电路和调制失真补偿方法
    • US20050130609A1
    • 2005-06-16
    • US10737473
    • 2003-12-16
    • Thomas NagodePeter NanniLouis NigraGreg BlackKeith Tilley
    • Thomas NagodePeter NanniLouis NigraGreg BlackKeith Tilley
    • H03C1/06H03C3/09H03F1/32H04B1/04
    • H04B1/04H03C1/06H03C3/0975H03F1/3223H03F1/34H03F3/24H03F2200/102H03F2200/105H03F2201/3221H03F2201/3227H04B2001/0416H04B2001/0433H04B2001/0441
    • A transmitter circuit (200, 400, 510) and method reduces amplitude modulation distortion in an amplifier (210). The transmitter circuit (200, 400, 510) includes a power control error data generator (230), a feedforward predistortion data generator (240), feedforward adder logic (250) and the amplifier (210). The power control error data generator (230) receives amplitude modulation data (252) and an RF coupled output signal (254) and, in response, produces power control error data (256). The feedforward predistortion data generator (240) receives the amplitude modulation data (252) and, in response, produces feedforward predistortion data (258). The feedforward adder logic (250) receives the power control error data (256) and the feedforward predistortion data (258) and, in response, produces power control data (260). The amplifier (210) receives the power control data (260) and an RF input signal (261) and, in response, produces an RF output signal (262), such that the power control data (260) reduces amplitude modulation distortion in the RF output signal (262).
    • 发射机电路(200,400,510)和方法减小放大器(210)中的调幅失真。 发射机电路(200,400,510)包括功率控制误差数据发生器(230),前馈预失真数据生成器(240),前馈加法器逻辑(250)和放大器(210)。 功率控制误差数据发生器(230)接收幅度调制数据(252)和RF耦合的输出信号(254),作为响应,产生功率控制误差数据(256)。 前馈预失真数据生成器(240)接收幅度调制数据(252),作为响应,产生前馈预失真数据(258)。 前馈加法器逻辑(250)接收功率控制误差数据(256)和前馈预失真数据(258),作为响应,产生功率控制数据(260)。 放大器(210)接收功率控制数据(260)和RF输入信号(261),并且作为响应产生RF输出信号(262),使得功率控制数据(260)降低功率控制数据 RF输出信号(262)。
    • 5. 发明申请
    • System and method for distributing air within a display case
    • 在展示柜内分配空气的系统和方法
    • US20090044553A1
    • 2009-02-19
    • US12217438
    • 2008-07-03
    • Keith Tilley
    • Keith Tilley
    • A47F3/04F25D23/00F25D3/00
    • A47F3/0443A47F2003/046
    • A display case for storing food and beverage products that evenly distributes chilled air within the display case that includes a cassette unit and a chassis that has an interior volume that is encapsulated by a front section, a rear section, a base portion and a top portion and two side portions. The chassis has one or more shelves and one or more goal posts mounted therein. The goal posts deliver chilled air to the shelves. The shelves have a bottom surface that has a plurality of impingement holes disposed therein that disperse the chilled air into the interior volume so that the chilled air blankets the top of the food and beverage products on the shelves below. The shelves may incorporate a groove in the bottom surface. Low power consumption LED lighting may be incorporated in the grove to illuminate the product on the shelf below.
    • 一种用于储存食品和饮料产品的展示柜,其将冷冻空气均匀地分配在显示器壳体内,该显示器壳体包括盒单元和具有内部容积的底盘,所述内部容积被前部,后部,基部和顶部 和两个侧面部分。 底盘具有安装在其中的一个或多个货架和一个或多个门柱。 目标岗位将冷藏空气送到货架上。 搁架具有底表面,其中设置有多个冲击孔,其将冷却的空气分散到内部空间中,使得冷冻空气将食品和饮料产品的顶部覆盖在下面的搁架上。 搁板可以在底面上形成凹槽。 低功耗LED照明可以并入树丛中以照亮下面的架子上的产品。