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公开(公告)号：US09848024B1
公开(公告)日：2017-12-19
申请号：US14874314
申请日：2015-10-02
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Edward James Gayles , Varadarajan Gopalakrishnan , Shih-Chun Chang
CPC classification number: H04L65/4076 , H04L65/4084 , H04L65/60 , H04L67/16 , H04W4/21 , H04W8/005 , H04W12/06 , H04W76/10
Abstract: Described are techniques for establishing communication between media devices and enabling portions of content to be provided using one or more of the media devices. Data indicative of the transport functionality for the media devices and services available on the media devices may be used to determine one or more media devices suitable for the presentation of content. Control information may be provided to the media device(s) to control presentation of the portions of the content.
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公开(公告)号：US20170222666A1
公开(公告)日：2017-08-03
申请号：US15154314
申请日：2016-05-13
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： In Chul Hyun , Andrew David Price , Tzung-I Lee , Kwok Lee , Cheol Su Kim , Omar Fawazhashim Zakaria , Varadarajan Gopalakrishnan
CPC classification number: H04B1/0057 , H01Q1/243 , H01Q1/50 , H01Q5/30 , H01Q19/106 , H01Q19/185 , H01Q21/205 , H01Q21/24 , H01Q21/28 , H01Q21/29 , H04L67/06 , H04L67/104 , H04L67/1091 , H04L67/1097 , H04M1/026 , H04W40/02 , H04W84/12 , H04W84/18 , H04W84/22
Abstract: Network hardware devices organized in a Wireless mesh network (WMN) in which the network hardware devices cooperate in distribution of content files to client consumption devices in an environment of limited connectivity to broadband Internet infrastructure are described. One mesh network device includes a micro controller, RF radios, and antenna switching circuitry. The antenna switching circuitry, in response to the control signals from a micro controller, selectively couples individual ones of a first set of antennas to individual channels of the set of RF radios to communicate content data with client consumption devices and selectively couples individual ones of a second set of antennas to other individual channels of the set of RF radios to communicate content data with other mesh network devices in a WMN.
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公开(公告)号：US20160280371A1
公开(公告)日：2016-09-29
申请号：US14671224
申请日：2015-03-27
Applicant: Amazon Technologies, Inc.
Inventor： Darren Ernest Canavor , Varadarajan Gopalakrishnan , Jesper Mikael Johansson , Jon Arron McClintock , Brandon William Porter , Andrew Jay Roths
CPC classification number: B64C39/024 , B64C2201/141 , B64C2201/146 , G05D1/104 , G06Q10/00 , H04L9/3247 , H04L9/3263 , H04L9/3268 , H04L9/3297 , H04L63/0823 , H04L63/12 , H04L2209/80 , H04L2209/84 , H04W12/04 , H04W12/06 , H04W12/10
Abstract: An unmanned vehicle determines how to perform a task based at least in part on a message received from another unmanned vehicle. At a later time, the unmanned vehicle detects that the other unmanned vehicle has become untrusted. The unmanned vehicle recalculates how to perform the task such that the recalculation is independent of any messages from the other unmanned vehicle. The unmanned vehicle may also transmit messages to other unmanned vehicles to provide notification of untrustworthiness of the other unmanned vehicle.
Abstract translation: 至少部分地基于从另一无人车接收到的消息，无人驾驶车辆确定如何执行任务。 以后，无人驾驶车辆检测到其他无人驾驶车辆已经不受信任。 无人驾驶车辆重新计算如何执行任务，使得重新计算独立于来自其他无人驾驶车辆的任何消息。 无人驾驶车辆还可以向其他无人驾驶车辆发送消息，以提供其他无人驾驶车辆的不可信度的通知。
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公开(公告)号：US20150099558A1
公开(公告)日：2015-04-09
申请号：US14567721
申请日：2014-12-11
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Gregg Zehr , Subram Narasimhan , Varadarajan Gopalakrishnan , David C. Buuck , John Depew , In Chul Hyun
IPC: H04W52/18
CPC classification number: H04W52/18 , H01Q1/243 , H01Q1/245 , H01Q21/28 , H04B1/3838 , H04W52/228 , H04W52/36 , H04W52/367
Abstract: A user device transmits data at a first transmit power level. The user device detects a presence of a human body part within a predetermined distance from an antenna of the user device using one or more sensors disposed at a back side of the user device. In response to the detection of the presence of the human body part, the user device transmits information at a second transmit power level that is less than the first transmit power level.
Abstract translation: 用户设备以第一发射功率电平发送数据。 用户装置使用设置在用户装置的背面的一个或多个传感器来检测来自用户装置的天线的预定距离内的人体部位的存在。 响应于检测到人体部分的存在，用户装置以小于第一发射功率电平的第二发射功率电平发射信息。
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公开(公告)号：US20140106753A1
公开(公告)日：2014-04-17
申请号：US14108098
申请日：2013-12-16
Applicant: Amazon Technologies, Inc.
Inventor： Subram Narasimhan , Girish Bansilal Bajaj , Siva Rama Kumar Somayajula , Clifton Liu , Varadarajan Gopalakrishnan
IPC: H04W36/14
CPC classification number: H04W36/14 , H04L63/102 , H04M15/751 , H04M15/8033 , H04M15/8044 , H04M15/8055 , H04W4/24 , H04W8/18 , H04W12/08
Abstract: A rule server detects a condition pertaining to a switch of a user device to a preferred wireless carrier, and sends a message to the user device indicating a switch to the preferred wireless carrier.
Abstract translation: 规则服务器将与用户设备的切换有关的条件检测到优选的无线载波，并向用户设备发送指示切换到优选无线载波的消息。
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Patent Agency Ranking
公开(公告)号：US10984372B2
公开(公告)日：2021-04-20
申请号：US13902770
申请日：2013-05-24
Applicant: Amazon Technologies, Inc.
Inventor： Varadarajan Gopalakrishnan , Subram Narasimhan , Omar FawazHashim Zakaria , Dilip Kumar , Sridhar Boyapati , Jin Dong Kim
Abstract: This disclosure describes a system for managing inventory as it transitions into a materials handling facility, as it transitions between locations within a materials handling facility and/or as it transitions out of a materials handling facility. In some instances, a user (e.g., picker or picking agent) may retrieve an item from an inventory location and place the item into a tote. The systems described herein detect the item when it is added to or removed from the tote.
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公开(公告)号：US10860976B2
公开(公告)日：2020-12-08
申请号：US13902769
申请日：2013-05-24
Applicant: Amazon Technologies, Inc.
Inventor： Varadarajan Gopalakrishnan , Subram Narasimhan , Omar FawazHashim Zakaria , Dilip Kumar , Sridhar Boyapati , Jin Dong Kim
IPC: G06Q10/08
Abstract: This disclosure describes a system for managing inventory as it transitions into a materials handling facility, as it transitions between locations within a materials handling facility and/or as it transitions out of a materials handling facility. In some instances, a user (e.g., picker or picking agent) may retrieve an item from an inventory location and place the item into a tote. The systems described herein detect the item when it is added to or removed from the tote.
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公开(公告)号：US10477585B1
公开(公告)日：2019-11-12
申请号：US16049593
申请日：2018-07-30
Applicant: Amazon Technologies, Inc.
Inventor： Kun Ting Tsai , Chirag Bhavsar , Huanchun Ye , Varadarajan Gopalakrishnan , QingYun Wei , Morris Hsu , James Edwin Christy
Abstract: Microwave interference mitigation techniques and systems are disclosed herein. In some embodiments, microwave interference mitigation involves coordinating wireless traffic in accordance with a magnetron's on-and-off cycle so that data is not sent during the magnetron's on period, and is exclusively sent during the magnetron's off period. Wireless traffic can be coordinated using a voltage monitoring and zero-crossing point detection technique coupled with a Clear To Send (CTS) packet. For non-microwave devices, wireless traffic coordination can be achieved using a pattern matching algorithm coupled with a Clear Channel Assessment (CCA) threshold adjustment during the magnetron's on-and-off cycles. Additional, or alternative, microwave interference mitigation techniques involve decreasing a maximum packet size for data packets that are to be transmitted wirelessly in the environment, which guarantees successful transmission of data packets during the magnetron's off periods.
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39.发明授权公开(公告)号：US10477411B1
公开(公告)日：2019-11-12
申请号：US15623217
申请日：2017-06-14
Applicant: Amazon Technologies, Inc.
Inventor： Jungtao Liu , Varadarajan Gopalakrishnan
Abstract: Network hardware devices are organized in a wireless mesh network (WMN) including a base station node (BSN) device connected to a tower in a geographic area and multiple home access node (HAN) relay devices located in a geographic area and separated from one another by a distance. First set, second set, and third set of HAN relay devices are organized in a first hexagon pattern, a second hexagon pattern, and a third hexagon pattern, respectively, forming a base unit of the WMN. The BSN device is communicatively coupled to a first HAN relay device of the first set, a first HAN relay device of the second set, and a first HAN relay device of the third set and the BSN device is positioned within a geographic region defined by an outer perimeter of the base unit.
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公开(公告)号：US10115390B2
公开(公告)日：2018-10-30
申请号：US15170321
申请日：2016-06-01
Applicant: Amazon Technologies, Inc.
Inventor： Varadarajan Gopalakrishnan , Kiran K. Edara
Abstract: A server determines that communications with a first user device are to be made in a voice call mode. The server receives, from a second user device, a first text data packet corresponding to text communications with the first user device, converts the first text data packet into a first voice data packet, and sends, via a wireless network, the first voice data packet to the first user device.
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