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公开(公告)号：US11313935B2
公开(公告)日：2022-04-26
申请号：US16793994
申请日：2020-02-18
申请人： Apple Inc.
发明人： Gunes Dervisoglu , Christopher D. Guichet , Adam S. Howell , Alexander J. Wiens , Christopher E. Balcells , Erik L. Wang , Jonathan M. Beard , Tang Y. Tan , Theodore Lao , Tyler S. Bushnell , Hung A. Pham
摘要： A method for calibrating a magnetometer of an electronic device can include detecting a change in a magnetism of the electronic device, collecting a first magnetic field data from the magnetometer at sampling frequency of at least 1 hertz, generating an elliptical calibration model based at least partially on the collected first magnetic field data, collecting a second magnetic field data from the magnetometer, and fitting the collected second magnetic field data to a sphere using the elliptical calibration model.
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公开(公告)号：US20210072335A1
公开(公告)日：2021-03-11
申请号：US16793994
申请日：2020-02-18
申请人： Apple Inc.
发明人： Gunes Dervisoglu , Christopher D. Guichet , Adam S. Howell , Alexander J. Wiens , Christopher E. Balcells , Erik L. Wang , Jonathan M. Beard , Tang Y. Tan , Theodore Lao , Tyler S. Bushnell , Hung A. Pham
摘要： A method for calibrating a magnetometer of an electronic device can include detecting a change in a magnetism of the electronic device, collecting a first magnetic field data from the magnetometer at sampling frequency of at least 1 hertz, generating an elliptical calibration model based at least partially on the collected first magnetic field data, collecting a second magnetic field data from the magnetometer, and fitting the collected second magnetic field data to a sphere using the elliptical calibration model.
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公开(公告)号：US20190342651A1
公开(公告)日：2019-11-07
申请号：US16409022
申请日：2019-05-10
申请人： Apple Inc.
发明人： Adam S. Howell , Hung A. Pham , Akifumi Kobashi , Rami Y. Hindiyeh , Xing Tan , Alexander Singh Alvarado , Karthik Jayaraman Raghuram
摘要： Ear buds may have optical proximity sensors and accelerometers. Control circuitry may analyze output from the optical proximity sensors and the accelerometers to identify a current operational state for the ear buds. The control circuitry may also analyze the accelerometer output to identify tap input such as double taps made by a user on ear bud housings. Samples in the accelerometer output may be analyzed to determine whether the samples associated with a tap have been clipped. If the samples have been clipped, a curve may be fit to the samples. Optical sensor data may be analyzed in conjunction with potential tap input data from the accelerometer. If the optical sensor data is ordered, a tap input may be confirmed. If the optical sensor data is disordered, the control circuitry can conclude that accelerometer data corresponds to false tap input associated with unintentional contact with the housing.
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公开(公告)号：US10291975B2
公开(公告)日：2019-05-14
申请号：US15622448
申请日：2017-06-14
申请人： Apple Inc.
发明人： Adam S. Howell , Hung A. Pham , Akifumi Kobashi , Rami Y. Hindiyeh , Xing Tan , Alexander Singh Alvarado , Karthik Jayaraman Raghuram
摘要： Ear buds may have optical proximity sensors and accelerometers. Control circuitry may analyze output from the optical proximity sensors and the accelerometers to identify a current operational state for the ear buds. The control circuitry may also analyze the accelerometer output to identify tap input such as double taps made by a user on ear bud housings. Samples in the accelerometer output may be analyzed to determine whether the samples associated with a tap have been clipped. If the samples have been clipped, a curve may be fit to the samples. Optical sensor data may be analyzed in conjunction with potential tap input data from the accelerometer. If the optical sensor data is ordered, a tap input may be confirmed. If the optical sensor data is disordered, the control circuitry can conclude that accelerometer data corresponds to false tap input associated with unintentional contact with the housing.
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公开(公告)号：US20180070166A1
公开(公告)日：2018-03-08
申请号：US15622448
申请日：2017-06-14
申请人： Apple Inc.
发明人： Adam S. Howell , Hung A. Pham , Akifumi Kobashi , Rami Y. Hindiyeh , Xing Tan , Alexander Singh Alvarado , Karthik Jayaraman Raghuram
CPC分类号： H04R1/1041 , H04R1/1016 , H04R29/001 , H04R2420/07
摘要： Ear buds may have optical proximity sensors and accelerometers. Control circuitry may analyze output from the optical proximity sensors and the accelerometers to identify a current operational state for the ear buds. The control circuitry may also analyze the accelerometer output to identify tap input such as double taps made by a user on ear bud housings. Samples in the accelerometer output may be analyzed to determine whether the samples associated with a tap have been clipped. If the samples have been clipped, a curve may be fit to the samples. Optical sensor data may be analyzed in conjunction with potential tap input data from the accelerometer. If the optical sensor data is ordered, a tap input may be confirmed. If the optical sensor data is disordered, the control circuitry can conclude that accelerometer data corresponds to false tap input associated with unintentional contact with the housing.
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公开(公告)号：US20140364162A1
公开(公告)日：2014-12-11
申请号：US14292750
申请日：2014-05-30
申请人： Apple Inc.
发明人： Ben-Heng Juang , Hue Duc Tran , Hung A. Pham , Adam S. Howell , Hengliang Zhang , Gunes Dervisoglu
IPC分类号： H04W52/28
CPC分类号： H04W52/146 , H04B17/27 , H04W52/246 , H04W52/283 , H04W52/285 , H04W52/367
摘要： In some implementations, a mobile device can analyze motion sensor data and proximity sensor data during a voice call to determine whether the mobile device is on a stationary object or worn on a user's body (e.g., in the lap or pocket of a user of the mobile device). The mobile device can adjust the transmit power level of the telephony transceiver during the voice call based on the determination.
摘要翻译： 在一些实施方案中，移动设备可以在语音呼叫期间分析运动传感器数据和接近传感器数据，以确定移动设备是在静止物体上还是在用户的身体上穿戴（例如，在用户身体的膝盖或口袋中） 移动设备）。 基于确定，移动设备可以在语音呼叫期间调整电话收发器的发射功率电平。
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公开(公告)号：US11412350B2
公开(公告)日：2022-08-09
申请号：US16576573
申请日：2019-09-19
申请人： Apple Inc.
发明人： Robert William Mayor , Isaac T. Miller , Adam S. Howell , Vinay R. Majjigi , Oliver Ruepp , Daniel Ulbricht , Oleg Naroditsky , Christian Lipski , Sean P. Cier , Hyojoon Bae , Saurabh Godha , Patrick J. Coleman
摘要： Location mapping and navigation user interfaces may be generated and presented via mobile computing devices. A mobile device may detect its location and orientation using internal systems, and may capture image data using a device camera. The mobile device also may retrieve map information from a map server corresponding to the current location of the device. Using the image data captured at the device, the current location data, and the corresponding local map information, the mobile device may determine or update a current orientation reading for the device. Location errors and updated location data also may be determined for the device, and a map user interface may be generated and displayed on the mobile device using the updated device orientation and/or location data.
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公开(公告)号：US20210400419A1
公开(公告)日：2021-12-23
申请号：US17351183
申请日：2021-06-17
申请人： Apple Inc.
发明人： Ozhan Turgut , Halil Ibrahim Basturk , Alexander Singh Alvarado , Adam S. Howell , Hung A. Pham
摘要： Embodiments are disclosed for head dimension estimation for spatial audio applications. In an embodiment, a method comprises: obtaining, using one or more processors of an audio headset worn on a user's head, acceleration samples and rotation rate samples over a specified time window while the user rotates their head, the acceleration samples and rotation rate samples measured using motion sensors in the headset; determining a function that relates the acceleration samples to the rotation rate samples; comparing the function to a plurality of reference functions, where each reference function corresponds to a different head dimension in a nominal range of head dimensions; and estimating a dimension of the user's head based on the comparing.
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公开(公告)号：US20210400414A1
公开(公告)日：2021-12-23
申请号：US17351205
申请日：2021-06-17
申请人： Apple Inc.
发明人： Xiaoyuan Tu , Margaret H. Tam , Halil Ibrahim Basturk , Alexander Singh Alvarado , Adam S. Howell
IPC分类号： H04S7/00
摘要： Embodiments are disclosed for head tracking state detection based on correlated motion of a source device and a headset communicatively coupled to the source device. In an embodiment, a method comprises: obtaining, using one or more processors of a source device, source device motion data from a source device and headset motion data from a headset; determining, using the one or more processors, correlation measures using the source device motion data and the headset motion data; updating, using the one or more processors, a motion tracking state based on the determined correlation measures; and initiating head pose tracking in accordance with the updated motion tracking state.
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公开(公告)号：US20190011973A1
公开(公告)日：2019-01-10
申请号：US16130725
申请日：2018-09-13
申请人： Apple Inc.
发明人： Xiaoyuan Tu , Anil K. Kandangath , Adam S. Howell
摘要： A wearable computing device can detect device-raising gestures. For example, onboard motion sensors of the device can detect movement of the device in real time and infer information about the spatial orientation of the device. Based on analysis of signals from the motion sensors, the device can detect a raise gesture, which can be a motion pattern consistent with the user moving the device's display into his line of sight. In response to detecting a raise gesture, the device can activate its display and/or other components. Detection of a raise gesture can occur in stages, and activation of different components can occur at different stages.
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