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1. 发明授权

US09596330B2 Antenna system with receiver diversity and tunable matching circuit 有权
标题翻译：具有接收机分集和可调谐匹配电路的天线系统
公开(公告)号：US09596330B2
公开(公告)日：2017-03-14
申请号：US14490576
申请日：2014-09-18
申请人： Apple Inc.
发明人： Ruben Caballero , Mattia Pascolini , Mohit Narang , Matthew A. Mow , Robert W. Schlub
IPC分类号： H01Q21/00 , H01Q1/24 , H04M1/02 , H01Q1/44 , H01Q9/04 , H01Q9/42 , H01Q21/28 , H01Q21/30
CPC分类号： H04M1/026 , H01Q1/243 , H01Q1/44 , H01Q9/0421 , H01Q9/42 , H01Q21/28 , H01Q21/30 , H04M1/0266
摘要： Electronic devices may be provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and antenna structures. An electronic device may include a display mounted within a housing. A peripheral conductive member may run around the edges of the display and housing. Dielectric-filled gaps may divide the peripheral conductive member into individual segments. A ground plane may be formed within the housing from conductive housing structures, printed circuit boards, and other conductive elements. The ground plane and the segments of the peripheral conductive member may form antennas in upper and lower portions of the housing. The radio-frequency transceiver circuitry may implement receiver diversity using both the upper and lower antennas. The lower antenna may be used in transmitting signals. The upper antenna may be tuned using a tunable matching circuit.
摘要翻译：可以提供包含无线通信电路的电子设备。无线通信电路可以包括射频收发器电路和天线结构。电子设备可以包括安装在壳体内的显示器。外围导电构件可以围绕显示器和壳体的边缘延伸。介质填充的间隙可以将外围导电构件分成单独的段。可以在壳体内从导电壳体结构，印刷电路板和其它导电元件形成接地平面。接地平面和周边导电部件的段可以在壳体的上部和下部形成天线。射频收发器电路可以使用上天线和下天线实现接收机分集。下天线可用于发射信号。可以使用可调谐匹配电路来调谐上天线。

2. 发明授权

US09660650B1 Integrated circuits with improved register circuitry 有权
公开(公告)号：US09660650B1
公开(公告)日：2017-05-23
申请号：US14209503
申请日：2014-03-13
申请人： Altera Corporation
发明人： Valavan Manohararajah , Jeffrey Christopher Chromczak , David Lewis
IPC分类号： H03K19/173 , H03K19/0175 , G06F17/50
CPC分类号： H03K19/017581 , G06F17/505 , H03K19/17728 , H03K19/17744
摘要： Integrated circuits such as programmable integrated circuits may include programmable logic regions that can be configured to perform custom user functions. The programmable logic regions include register circuitry that may be controlled by register control signals. A clock enable feedback loop circuit controlled by a clock enable control signal may couple the register output to the register input. The clock enable feedback loop circuit may facilitate adjustment of register locations within a design while ensuring correct clock enable functionality. A group of programmable logic regions may have shared input selection circuitry that selects register control signals and produces delayed versions of the signals that are shared by the group. If desired, each programmable logic region may be provided with adjustable delay circuitry that individually adjusts control signal delay for registers of that programmable logic region.

3. 发明授权

US10291975B2 Wireless ear buds 有权
公开(公告)号：US10291975B2
公开(公告)日：2019-05-14
申请号：US15622448
申请日：2017-06-14
申请人： Apple Inc.
发明人： Adam S. Howell , Hung A. Pham , Akifumi Kobashi , Rami Y. Hindiyeh , Xing Tan , Alexander Singh Alvarado , Karthik Jayaraman Raghuram
IPC分类号： H04R1/10 , H04R29/00
摘要： Ear buds may have optical proximity sensors and accelerometers. Control circuitry may analyze output from the optical proximity sensors and the accelerometers to identify a current operational state for the ear buds. The control circuitry may also analyze the accelerometer output to identify tap input such as double taps made by a user on ear bud housings. Samples in the accelerometer output may be analyzed to determine whether the samples associated with a tap have been clipped. If the samples have been clipped, a curve may be fit to the samples. Optical sensor data may be analyzed in conjunction with potential tap input data from the accelerometer. If the optical sensor data is ordered, a tap input may be confirmed. If the optical sensor data is disordered, the control circuitry can conclude that accelerometer data corresponds to false tap input associated with unintentional contact with the housing.

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