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    Displaying HDMI content in a tiled window
    71.
    发明授权
    Displaying HDMI content in a tiled window 有权

    公开(公告)号：US10430031B2

    公开(公告)日：2019-10-01

    申请号：US15593306

    申请日：2017-05-11

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu

    IPC: G06F3/0482 ,  G06T3/40 ,  G06F3/0481 ,  G06F3/0484 ,  H04N21/41 ,  H04N21/422 ,  H04N21/431 ,  H04N21/436 ,  H04N21/4363 ,  H04N21/462 ,  H04N21/61 ,  G06F3/0488

    Abstract: In response to receiving user-interface activity information from a portable electronic device that specifies user selection of a content source, an audio/video (A/V) hub provides a request for high-definition multimedia-interface (HDMI) content to the content source based on the user selection. When the A/V hub receives the HDMI content from the content source, the A/V hub provide the HDMI content and display instructions to an A/V display device as frames with the HDMI content are received from the content source, so that the HDMI content is displayed in a tiled window on the display in the A/V display device while other HDMI content from another content source is displayed on the display.

    Wireless Inter-Room Coordination of Audio Playback
    73.
    发明申请
    Wireless Inter-Room Coordination of Audio Playback 审中-公开

    公开(公告)号：US20190227768A1

    公开(公告)日：2019-07-25

    申请号：US16369285

    申请日：2019-03-29

    Applicant: EVA Automation, Inc.

    Inventor： David Bryant ,  Vanshil Shah ,  Leo Lay ,  Gaylord Yu

    IPC: G06F3/16

    Abstract: An electronic device may exchange packets with a second electronic device. These packets may include transmit times, based on a given clock in a given electronic device when the packets were transmitted. Moreover, when the packets are received by the electronic device, the electronic device may store associated receive times based on a clock in the electronic device. Using minimum time differences between the transmit and receive times, the electronic device may calculate a time offset between the electronic device and the second electronic device, which may then be used to determine future times in a clock domain of the second electronic device. Moreover, the electronic device may provide additional packets to the second electronic device, where a given additional packet includes audio data, and a playback time, corresponding to a given future time, when the audio data is to be played back by the second electronic device.

    Maintaining coordination following a wireless reset
    74.
    发明授权
    Maintaining coordination following a wireless reset 有权

    公开(公告)号：US10296286B2

    公开(公告)日：2019-05-21

    申请号：US15678078

    申请日：2017-08-15

    Applicant: EVA Automation, Inc.

    Inventor： Leo Lay ,  Adrian Harold Chadd ,  Haisong Wang ,  Shiwei Zhao ,  Li Li ,  Gaylord Yu

    IPC: H04J3/06 ,  G06F3/16 ,  H04R27/00 ,  H04L7/00 ,  H04L7/033 ,  H04H60/80 ,  H04L29/06 ,  H04M1/725 ,  H04N21/233 ,  H04N21/81 ,  H04N21/43 ,  H04R3/12

    Abstract: An electronic device that reduces relative drift is described. In particular, an interface circuit in the electronic device may calculate, based on differences between transmit times when packets were transmitted by a second electronic device and receive times of the packets, relative drift as a function of time between a clock in the interface circuit and a second clock in the second electronic device. Then, the interface circuit may adjust, based on the relative drift, a clock circuit that provides the clock to eliminate the relative drift, and may store the adjustments to the clock circuit. Furthermore, when a wireless reset occurs, the interface circuit may adapt the clock circuit based on the stored adjustments to reduce the relative drift while the interface circuit restores frequency lock with the second clock based on additional packets with additional transmit times that are received from the second electronic device.

    Wireless coordination of audio sources
    75.
    发明授权
    Wireless coordination of audio sources 有权

    公开(公告)号：US10255032B2

    公开(公告)日：2019-04-09

    申请号：US15678043

    申请日：2017-08-15

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu ,  Steven Stupp

    IPC: G06F3/16 ,  H04L7/02 ,  H04S7/00 ,  H04W4/02 ,  G11B27/10 ,  H04L29/06 ,  H04N21/43 ,  H04N21/81 ,  H04R27/00 ,  H04W56/00 ,  H04N21/436 ,  H04N21/8547

    Abstract: An audio/video (A/V) hub that coordinates playback of audio content is described. In particular, the A/V hub may calculate current time offsets between clocks in electronic devices and a clock in the A/V hub based on differences between transmit times of frames from the electronic devices and receive times when the frames were received. For example, the current time offsets may be calculated using wireless ranging by ignoring distances between the A/V hub and the electronic devices. Then, the A/V hub may transmit, to the electronic devices, one or more frames that include audio content and playback timing information, which may specify playback times when the electronic devices are to playback the audio content based on the current time offsets. Furthermore, the playback times of the electronic devices may have a temporal relationship so that the playback of the audio content by the electronic devices is coordinated.

    Schedule-based coordination of audio sources
    76.
    发明授权
    Schedule-based coordination of audio sources 有权

    公开(公告)号：US10241748B2

    公开(公告)日：2019-03-26

    申请号：US15678048

    申请日：2017-08-15

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu ,  Steven Stupp

    IPC: G06F3/16 ,  H04L7/02 ,  H04S7/00 ,  H04W4/02 ,  G11B27/10 ,  H04L29/06 ,  H04N21/43 ,  H04N21/81 ,  H04R27/00 ,  H04W56/00 ,  H04N21/436 ,  H04N21/8547

    Abstract: An audio/video (A/V) hub that coordinates playback of audio content is described. In particular, the A/V hub may calculate current time offsets between clocks in electronic devices and a clock in the A/V hub based on differences between receive times when frames are received from electronic devices and expected transmit times of the frames. For example, the expected transmit times may be based on coordination of clocks in the electronic devices and a clock in the A/V hub at a previous time and a predefined transmit schedule of the frames. Then, the A/V hub may transmit, to the electronic devices, one or more frames that include audio content and playback timing information, which may specify playback times when the electronic devices are to playback the audio content based on the current time offsets.

    User interface based on system-state information
    77.
    发明授权
    User interface based on system-state information 有权

    公开(公告)号：US10198232B2

    公开(公告)日：2019-02-05

    申请号：US15593300

    申请日：2017-05-11

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu

    IPC: H04N21/414 ,  H04N21/422 ,  H04N21/431 ,  G06F1/16 ,  G06F3/14 ,  H04N5/44 ,  G06F3/038 ,  G08C17/02 ,  H04M1/725 ,  H04N21/41 ,  G06F3/0481 ,  G06F3/0488 ,  H04N21/436 ,  H04N21/482 ,  H04N21/4363 ,  H04N21/472

    Abstract: A portable electronic device with a touch-sensitive display (such as a cellular telephone) provides a wireless remote control for an entertainment device (such as a consumer-electronic device). Based on device-state information that specifies a current state of the entertainment device (which is determined by an audio/video (A/V) hub that communicates with the entertainment device) and one or more related states of the entertainment device, the A/V hub may generate user-interface information that specifies a user interface that includes one or more virtual command icons. Note that the one or more related states are related to the current state in a state diagram by corresponding operations that transition the entertainment device from the current state to the one or more related states. Then, the A/V hub provides the user interface to the portable electronic device. In this way, the A/V hub device dynamically adapts the user interface.

    Environment Identification Based on Multiple Proximate Hubs
    78.
    发明申请
    Environment Identification Based on Multiple Proximate Hubs 审中-公开

    公开(公告)号：US20180343485A1

    公开(公告)日：2018-11-29

    申请号：US15607610

    申请日：2017-05-29

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu

    IPC: H04N21/41 ,  H04L12/28

    CPC classification number: H04N21/4104 ,  H04L12/16 ,  H04L12/2838 ,  H04L2012/2849 ,  H04N21/43615

    Abstract: An audio/video (A/V) hub that determines an environment of a portable electronic device is described. In particular, the A/V hub may identify the environment based on performance information about communication between the portable electronic device and receiver devices (which was received from the receiver devices), and a history of behavior of an individual associated with the portable electronic device and the A/V hub. Alternatively, the A/V hub may identify the environment based on performance information about communication between the portable electronic device and the A/V hub and the portable electronic device and another A/V hub (which was received from the portable electronic device and/or the other A/V hub), and a history of behavior of an individual associated with the portable electronic device and the A/V hub. Based on the determination, the A/V hub provides an instruction to power on an A/V display device in the environment.

    Redundant links for reliable communication
    79.
    发明授权
    Redundant links for reliable communication 有权

    公开(公告)号：US10117119B2

    公开(公告)日：2018-10-30

    申请号：US15663828

    申请日：2017-07-31

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu

    IPC: H04W24/04 ,  H04W76/18 ,  H04W76/15 ,  H04W84/12 ,  H04W36/28

    Abstract: In order to maintain performance during wireless communication, a transmitting electronic device may concurrently and independently communicate redundant information to a receiving electronic device. In particular, information associated with a data stream may be communicated to the receiving electronic device using one or more channels by two radios using one or more wireless local area network communication protocols. The packets transmitted by the radios may preferentially include the same information. Moreover, the transmitting electronic device may attempt to maintain the redundant communication if a performance metric associated with the one or more channels degrades. For example, the transmitting electronic device may transfer communication to a different channel or may compress the information in the packets in the one or more channels if the throughput drops below a threshold value. Furthermore, the concurrent communication may allow the transmitting electronic device determine link quality without disrupting the communication of the information.

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