DYNAMIC TRANSMISSION POWER ADJUSTMENT
    12.
    发明申请

    公开(公告)号:US20200004312A1

    公开(公告)日:2020-01-02

    申请号:US16569383

    申请日:2019-09-12

    Applicant: Apple Inc.

    Abstract: A technique for dynamically adjusting power use of an input/output (I/O) interface of an electronic device is provided. The electronic device includes an input/output (I/O) interface that facilitates electronic communications with a receiving electronic device, at a particular transmission rate that is dynamically changeable by the electronic device. Transmission power and transmission rate adjustment circuitry determines whether a step-down in a transmission power used for signal transmission at the particular transmission rate is desirable. When desirable, the transmission power is dynamically adjusted down one step, such that less power is used by the I/O interface during the electronic communications.

    Sub-channel selection based on transmit power

    公开(公告)号:US10263753B2

    公开(公告)日:2019-04-16

    申请号:US14850834

    申请日:2015-09-10

    Applicant: Apple Inc.

    Abstract: In order to improve the quality of communication between electronic devices, one or more sub-channels used during communication between the electronic devices are dynamically modified based on one or more performance metrics and allowed transmit powers of the sub-channels. In particular, when the one or more performance metrics indicate that a distance between the electronic devices falls within a mid-range of distances, the one or more performance metrics may be used to guide selective changes to the sub-channels used during the communication based on the allowed transmit powers. The changes to the sub-channels used during the communication may increase, decrease or leave the total bandwidth unchanged. Moreover, by changing the sub-channels used during the communication, the allowed transmit power(s) of the sub-channel(s) used may be increased, which may improve the performance during the communication.

    Test System Having Test Stations With Adjustable Antennas
    15.
    发明申请
    Test System Having Test Stations With Adjustable Antennas 有权
    具有可调节天线的测试站的测试系统

    公开(公告)号:US20140256373A1

    公开(公告)日:2014-09-11

    申请号:US13787515

    申请日:2013-03-06

    Applicant: APPLE, INC.

    CPC classification number: H01Q3/267 H04B17/12 H04B17/27

    Abstract: A test system may include a master test station and slave test stations. The test stations may receive devices under test such as portable wireless electronic devices. Each test station may have adjustable antenna structures coupled to test equipment. The adjustable antenna structures may include antenna support structures on which test antennas are mounted and rail along which the antenna support structures and test antennas are moved by a pneumatic positioner. A rotatable platform may be provided in each test station to support the device under test in that test station. By making a series of over-the-air test measurements in the master test station while adjusting the antenna system and device positioning system, a satisfactory location for the active test antenna and device position may be identified. This configuration may then be used in performing single-point over-the-air tests in the slave test stations.

    Abstract translation: 测试系统可以包括主测试站和从站测试站。 测试台可以接收被测设备,如便携式无线电子设备。 每个测试台可以具有耦合到测试设备的可调天线结构。 可调天线结构可以包括其上安装有测试天线的天线支撑结构和轨道,天线支撑结构和测试天线沿着该天线支撑结构由气动定位器移动。 可以在每个测试台中提供可旋转的平台,以支持在该测试台中被测试的设备。 通过在主测试台进行一系列空中测试测量,同时调整天线系统和设备定位系统,可以识别有源测试天线和设备位置的令人满意的位置。 然后,该配置可用于在从站测试站中执行单点空中测试。

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