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    • 1. 发明授权
    • Mobile wireless communications device with RF immune charging contacts
    • 移动无线通信设备带RF免疫充电接点
    • US08983554B2
    • 2015-03-17
    • US12173037
    • 2008-07-15
    • George MankaruseLizhong ZhuMichael Corrigan
    • George MankaruseLizhong ZhuMichael Corrigan
    • H04M1/00H04B1/04
    • H04B1/0483H04B2001/0491
    • In accordance with a non-limiting aspect, a mobile wireless communications device includes a housing, at least one circuit board carried by the housing, radio frequency (RF) circuitry, and a processor. An antenna is operative with the RF circuitry. A charging circuit charges a battery carried by and powers the device and includes at least one charging contact carried by the housing and configured for engaging an external charging cradle when connected thereto. It includes an internal connector extending to at least one circuit board and connecting to the charging circuitry. An RF filter includes a ferrite material surrounding at least a portion of the internal connector to minimize RE coupling from the at least one charging contact to the antenna and reduce transmitter harmonics emission and receiver de-sense.
    • 根据非限制性方面,移动无线通信设备包括壳体,由壳体承载的至少一个电路板,射频(RF)电路和处理器。 天线与RF电路一起工作。 充电电路对由该设备承载的电池充电并且为该设备供电,并且包括由壳体承载的至少一个充电触点,并且被配置成用于当与其连接时接合外部充电座。 它包括延伸到至少一个电路板并连接到充电电路的内部连接器。 RF滤波器包括围绕至少一部分内部连接器的铁氧体材料,以最小化从至少一个充电触点到天线的RE耦合,并减少发射机谐波发射和接收机解读。
    • 7. 发明申请
    • TELEPHONE SYSTEM HAVING REDUCED SENSITIVITY TO RF INTERFERENCE AND RELATED METHODS
    • 具有降低对RF干扰的灵敏度的电话系统和相关方法
    • US20120069988A1
    • 2012-03-22
    • US13303342
    • 2011-11-23
    • Lizhong ZhuMichael CorriganGeorge MankarusePerry Jarmuszewski
    • Lizhong ZhuMichael CorriganGeorge MankarusePerry Jarmuszewski
    • H04M1/00
    • H04B15/00H04M1/60H04M1/74H05K9/0022
    • A telephone to be connected to a wireline having reduced sensitivity to RF interference over a predetermined frequency range from an adjacent mobile wireless communications device may include a transmit amplifier, a receive amplifier, an audio input transducer connected to the transmit amplifier, and an audio output transducer connected to the receive amplifier. The telephone may further include an RF shield(s) surrounding the audio input transducer and the audio output transducer for reducing RF interference over the predetermined frequency range from the adjacent mobile wireless communications device. Moreover, the telephone may also include at least one RF audio input filter element connected to the audio input transducer and at least one RF audio output filter element connected to the audio output transducer, both of which are also for reducing RF interference over the predetermined frequency range from the adjacent mobile wireless communications device.
    • 要连接到在相邻的移动无线通信设备的预定频率范围内具有降低的RF干扰灵敏度的电话的电话可以包括发射放大器,接收放大器,连接到发射放大器的音频输入变换器和音频输出 传感器连接到接收放大器。 电话还可以包括围绕音频输入换能器的RF屏蔽和音频输出换能器,用于在相邻的移动无线通信设备的预定频率范围内减少RF干扰。 此外,电话还可以包括连接到音频输入变换器的至少一个RF音频输入滤波器元件和连接到音频输出变换器的至少一个RF音频输出滤波器元件,这两个也是用于减少超过预定频率的RF干扰 范围从相邻的移动无线通信设备。