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公开(公告)号：US20190242954A1
公开(公告)日：2019-08-08
申请号：US15889609
申请日：2018-02-06
Applicant: Google LLC
Inventor： Yao Ding , Eric Daniels
CPC classification number: G01R33/072 , A45C11/16 , A45C13/1069 , A45C2011/007 , A61J1/03 , H01H36/00 , H03K17/9515 , H03K17/9517 , H03K17/97 , H03K2017/9713
Abstract: The technology provides for an extension member configured to direct a magnetic field from a magnet to a Hall Effect sensor to facilitate detection of magnetic field. By varying the dimensions of the extension member, which may be any arbitrary shape, the relative positions of the magnet and the Hall Effect sensor may be less constrained by the reach of the magnetic field of the magnet, thereby allowing more design possibilities. The extension member may be used in a case, where the extension member may facilitate detection of whether the case is open or closed, the extension member may further provide magnetic attraction to keep the case closed.
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公开(公告)号：US20240097321A1
公开(公告)日：2024-03-21
申请号：US18525735
申请日：2023-11-30
Applicant: Google LLC
CPC classification number: H01Q1/526 , H01Q1/50 , H05K1/0216 , H05K2201/0715 , H05K2201/10098
Abstract: This document describes apparatuses and techniques for providing a flexible connector between a secondary circuit board and a main logic board with a permeability shield to increase impedance of the flexible connector to reduce antenna loss from an antenna via the flexible connector to the main logic board. For example, an apparatus includes a secondary circuit board supporting one or more control pads and an antenna. A flexible connector includes a plurality of conductive traces configured to electrically couple the one or more control pads of the secondary circuit board to a coupling on a main logic board. A permeability shield is configured to be disposed along one or more portions of the flexible connector. The permeability shield is configured to increase impedance of the flexible connector to reduce antenna loss of the antenna via the control pads and the flexible connector to the main logic board.
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公开(公告)号：US11888546B2
公开(公告)日：2024-01-30
申请号：US16722963
申请日：2019-12-20
Applicant: Google LLC
Abstract: A first device provides both power and data to a second device over a power line connection between the two devices. The first device includes a power line extending from a power supply, a ground line extending from a ground, a first impedance in the power line, and a second impedance in the ground line. A modulator comprised of a transistor and modulator impedance is between the first impedance and the second impedance, and a tank capacitor is between the power line and the ground line, outside the first impedance and second impedance. A comparator is coupled between the first and second impedance. A switch may be included to short out the first and second impedance, thereby enabling transmission of only power for period of time, and return to a mode of transmitting both data and power. The first device may also receive data from the second device over the power line connection.
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公开(公告)号：US20240006879A1
公开(公告)日：2024-01-04
申请号：US17852870
申请日：2022-06-29
Applicant: Google LLC
Inventor： Yao Ding
IPC: H02H9/04
CPC classification number: H02H9/046
Abstract: A circuit for controlling an interface between an integrated circuit of an electronic device and an external device includes each of an interface control switch and an overvoltage protection switch. The interface control switch includes a controller for controlling a mode of the interface between a data communication mode that connects the external device to the integrated circuit of the electronic device via one or more communication lines of the electronic device, and a power transmission mode that connects a power source of the external device to a battery of the electronic device. The controller includes a reset line for resetting the interface control switch. The overvoltage protection switch is connected between the one or more communication ports and the reset line, and is configured to activate the reset line of the controller in response to an overvoltage condition at the one or more communication lines of the electronic device.
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公开(公告)号：US11832428B2
公开(公告)日：2023-11-28
申请号：US17379421
申请日：2021-07-19
Applicant: Google LLC
Inventor： Yao Ding , Troy Edwards , Gemin Li
IPC: H05K9/00
CPC classification number: H05K9/0024 , H05K9/0081
Abstract: A wearable audio device sized to fit within an ear of an user comprises an outer housing; a circuit board positioned within the outer housing; a battery having an anode and a cathode, the battery being connected to the circuit board; a speaker adjacent the battery; and an electromagnetic interference (“EMI”) shield tab coupled to the anode. The EMI shield tab may be configured to shield the speaker from EMI generated by the circuit board and to provide an electrical interconnection to the anode. The EMI shield tab may be comprised of a high magnetic flux permeable metal material
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Patent Agency Ranking
公开(公告)号：US11604233B2
公开(公告)日：2023-03-14
申请号：US17096069
申请日：2020-11-12
Applicant: Google LLC
Abstract: The technology provides for a magnetic sensing device. The device includes a magnetic sensor configured to generate a first output triggered by a first polarity and a second output triggered by a second polarity. The device includes a first magnet, a second magnet, and a third magnet. The device may be configured such that, when the second magnet is not within a predetermined distance from the first magnet, a magnetic field from the first magnet having the first polarity causes the first output and the second output to have a first set of values. The device may be configured such that, when the second magnet is within the predetermined distance from the first magnet, a magnetic field from the third magnet having the second polarity causes the first output and the second output to have a second set of values.
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公开(公告)号：US20220174391A1
公开(公告)日：2022-06-02
申请号：US17109829
申请日：2020-12-02
Applicant: Google LLC
Inventor： Yao Ding , Tauseef Muzaffar
Abstract: A wireless accessory has one or more sensors positioned at an outer periphery of its housing, thereby forming a knob-like input. The sensors may be configured to detect a change in contact force or contact location of first and second fingertips at respective first and second opposite sides of the periphery. An input gesture is determined based on the detected change, and a command corresponding to the gesture may be executed.
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公开(公告)号：US20210337303A1
公开(公告)日：2021-10-28
申请号：US17229039
申请日：2021-04-13
Applicant: Google LLC
Inventor： Bryan Macomber , Troy Edwards , Melissa Zucker , Peter Michael Cazalet , Kevin C. Kurtz , Yao Ding
Abstract: The present disclosure provides a magnetic system within a case for an electronic accessory. The case may include a housing portion and a lid coupled to the housing portion. Within the housing portion may be a housing magnet. The housing magnet may be oriented such that the magnetic field of the housing magnet is oriented transverse to a longitudinal axis of the case. The housing magnet may have a size and strength to magnetically couple the electronic accessory within a cavity of the housing. A hinge magnet may be located along an axis of rotation of the lid with respect to the housing. The hinge magnet and housing magnet may magnetically interact to form a bistable magnetic hinge. Thus, the one housing magnet may be large enough and have a strong enough magnetic field to perform various functions.
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公开(公告)号：US11025084B2
公开(公告)日：2021-06-01
申请号：US16168050
申请日：2018-10-23
Applicant: Google LLC
Inventor： Yao Ding , Trevor Hermosillo , Maksim Shmukler , Chi Kin Benjamin Leung
Abstract: A first electronic device, electronically coupled to a second device for supplying a charge to the second electronic device, tracks the voltage requirements of the second device and dynamically adjusts its output voltage upwards or downwards to match such requirements. The second electronic device may provide feedback to the first electronic device through a feedback loop. The feedback may include an indication of the voltage requirements and/or instructions for adjusting the voltage output of the first electronic device. The second device may be, for example, a wearable audio device, while the first device is a case for the wearable audio device.
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公开(公告)号：US20210063499A1
公开(公告)日：2021-03-04
申请号：US17096069
申请日：2020-11-12
Applicant: Google LLC
Abstract: The technology provides for a magnetic sensing device. The device includes a magnetic sensor configured to generate a first output triggered by a first polarity and a second output triggered by a second polarity. The device includes a first magnet, a second magnet, and a third magnet. The device may be configured such that, when the second magnet is not within a predetermined distance from the first magnet, a magnetic field from the first magnet having the first polarity causes the first output and the second output to have a first set of values. The device may be configured such that, when the second magnet is within the predetermined distance from the first magnet, a magnetic field from the third magnet having the second polarity causes the first output and the second output to have a second set of values.
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