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    Redundant Links for Reliable Communication
    12.
    发明申请
    Redundant Links for Reliable Communication 审中-公开

    公开(公告)号：US20170332262A1

    公开(公告)日：2017-11-16

    申请号：US15663824

    申请日：2017-07-31

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu

    IPC: H04W24/04 ,  H04W76/02 ,  H04W84/12 ,  H04W36/28

    CPC classification number: H04W24/04 ,  H04W36/28 ,  H04W76/15 ,  H04W76/18 ,  H04W84/12

    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.

    Wireless inter-room coordination of audio playback
    13.
    发明授权
    Wireless inter-room coordination of audio playback 有权

    公开(公告)号：US10901684B2

    公开(公告)日：2021-01-26

    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 ,  H04W56/00 ,  H04R27/00 ,  H04R5/04 ,  H04S7/00

    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.

    Aggregation of devices based on acoustic monitoring
    14.
    发明授权
    Aggregation of devices based on acoustic monitoring 有权

    公开(公告)号：US10684817B2

    公开(公告)日：2020-06-16

    申请号：US15790012

    申请日：2017-10-22

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu ,  Steven Stupp

    IPC: G06F17/00 ,  G06F3/16 ,  H04R27/00 ,  H04L7/02 ,  H04N21/43 ,  H04N21/436 ,  H04N21/81 ,  H04S7/00 ,  H04L29/06 ,  H04N21/8547 ,  G11B27/10 ,  H04W4/02 ,  H04W56/00 ,  G06F1/12 ,  H04R3/12

    Abstract: An audio/video (A/V) hub that aggregates electronic devices is described. In particular, the A/V hub may measure sound, corresponding to audio content, output by electronic devices (such as electronic devices that include speakers). Then, the A/V hub may aggregate the electronic devices into two or more subsets based on the measured sound. Moreover, the A/V hub may determine, for the subsets, playback timing information, which may specify playback times when the electronic devices in a given subset are to playback the audio content. Next, the A/V hub may transmit, to the electronic devices, one or more frames that include the audio content and playback timing information, where the playback times of the electronic devices in at least the given subset have a temporal relationship so that the playback of the audio content by the electronic devices in the given subset is coordinated.

    User interface based on system-state information
    15.
    发明授权
    User interface based on system-state information 有权

    公开(公告)号：US10387095B2

    公开(公告)日：2019-08-20

    申请号：US15593296

    申请日：2017-05-11

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu

    IPC: G06F3/048 ,  G06F3/14 ,  H04N21/414 ,  H04N21/431 ,  G06F1/16 ,  G06F3/038 ,  G08C17/02 ,  H04M1/725 ,  H04N5/44 ,  H04N21/41 ,  H04N21/422 ,  H04N21/436 ,  H04N21/4363 ,  H04N21/472 ,  H04N21/482 ,  G06F3/0488 ,  H04M1/22

    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 received from an audio/video (A/V) hub that communicates with the entertainment device) and one or more related states of the entertainment device, the portable electronic device may generate 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 portable electronic displays the user interface on the touch-sensitive display. In this way, the portable electronic device dynamically adapts the user interface.

    Automated Programming of a Remote Control
    16.
    发明申请
    Automated Programming of a Remote Control 审中-公开

    公开(公告)号：US20190251835A1

    公开(公告)日：2019-08-15

    申请号：US16398170

    申请日：2019-04-29

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu

    IPC: G08C17/00 ,  G06K9/00

    CPC classification number: H04N21/47202 ,  G06F16/7328 ,  G06K9/00624 ,  G06K2209/01 ,  G08C17/00 ,  G08C2201/20 ,  H04L67/22 ,  H04N21/4126 ,  H04N21/43615 ,  H04N21/4363 ,  H04N21/43637 ,  H04N21/4394 ,  H04N21/44008 ,  H04N21/472 ,  H04N21/47217 ,  H04N21/482

    Abstract: An electronic device that obtains a set of remote-control commands is described. During operation, the electronic device may receive an image associated with a second electronic device, where a brand and a model of the second electronic device are initially unknown to the electronic device. Then, the electronic device may perform image analysis on the image to determine at least the brand of the second electronic device. Moreover, the electronic device may access, based at least in part on the determined brand, the set of remote-control commands that are associated with the second electronic device. Next, the electronic device may store the set of remote-control commands in memory.Subsequently, when the electronic device receives user-interface activity information associated with a portable electronic device that specifies selection of the second electronic device, the electronic device may provide the set of remote-control commands to the second electronic device.

    Schedule-Based Coordination of Audio Sources
    17.
    发明申请
    Schedule-Based Coordination of Audio Sources 审中-公开

    公开(公告)号：US20190171411A1

    公开(公告)日：2019-06-06

    申请号：US16266100

    申请日：2019-02-03

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu ,  Steven Stupp

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

    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.

    Environment identification based on multiple proximate hubs
    18.
    发明授权
    Environment identification based on multiple proximate hubs 有权

    公开(公告)号：US10298989B2

    公开(公告)日：2019-05-21

    申请号：US15607610

    申请日：2017-05-29

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu

    IPC: H04W4/00 ,  G06F13/38 ,  H04N21/41 ,  H04N21/436 ,  H04L12/16

    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
    19.
    发明申请
    Redundant Links for Reliable Communication 审中-公开

    公开(公告)号：US20190124528A1

    公开(公告)日：2019-04-25

    申请号：US16221558

    申请日：2018-12-16

    Applicant: EVA Automation, Inc.

    Inventor： Gaylord Yu

    IPC: H04W24/04 ,  H04W76/15 ,  H04W76/18

    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.

    Wireless coordination of audio playback
    20.
    发明授权
    Wireless coordination of audio playback 有权

    公开(公告)号：US10255033B2

    公开(公告)日：2019-04-09

    申请号：US15678069

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

    Abstract: An electronic device that coordinates a playback operation 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 determine a remaining time offset between the clock and the second clock. Next, the interface circuit may modify a future time when the electronic device is to perform the playback operation based on the remaining time offset to determine a corrected future time, and the electronic device may perform the playback operation at the corrected future time.

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