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Patent Agency Ranking
公开(公告)号：US11728779B2
公开(公告)日：2023-08-15
申请号：US16745511
申请日：2020-01-17
Inventor： Jeffrey A. May , Eric J. King , Christian Larsen , Eric Eklund
CPC classification number: H03G3/007 , H02M3/04 , H03F3/20 , H03G3/004 , H03G3/3005 , H03F2200/03 , H04R3/00
Abstract: A power converter may include an input for receiving an input signal and output for generating an intermediate signal that is a power converted signal from the input signal wherein the intermediate signal is determined based on various parameters of a signal path that utilizes the intermediate signal, wherein the various parameters comprise one or more of the following: a peak output signal of the signal path, energy requested over a period of time by the signal path, available energy from an energy source to the power converter, stored energy at an output of the power converter, and stored energy of a battery for providing electrical energy at the input.
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公开(公告)号：US11102583B1
公开(公告)日：2021-08-24
申请号：US16829286
申请日：2020-03-25
Inventor： Anthony S. Doy , Jeffrey A. May
Abstract: An audio power output circuit provides a pair of output signals to an audio output transducer that has two different voice coils. Using a measured or predicted position of the voice coil assembly with respect to the transducer's magnetic field, a processing circuit generates the pair of signals such that a first relationship between a first one of the pair of output signals and an audio input signal and a second relationship between a second one of the pair of the output signals vary with the position of the voice coil. Offset in the Dynamic Mean Position (DMP) can be compensated for without adding low frequency or direct current components that compromise the dynamic range of the transducer. The efficiency, acoustic output power and/or linearity of the acoustic output of the transducer may be optimized by tailoring the first and second relationship to a particular target performance.
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公开(公告)号：US11057727B2
公开(公告)日：2021-07-06
申请号：US16987631
申请日：2020-08-07
Inventor： Tian Zhao , Jeffrey A. May
Abstract: An audio or haptic power output system manages and delivers power to multiple output transducers based on corresponding power or current limits that are adjusted dynamically according to measures of power or current that are required to generate power output signals from corresponding digital input values or signals. A power management subsystem controls electrical power or current consumed by power output stages that supply power to the transducers by comparing the measures of power or current required to generate the power output signals to the corresponding power or current limits, and limiting the power or current consumed by the individual power output stages measures of power or current exceeds the corresponding limits.
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公开(公告)号：US20210120351A1
公开(公告)日：2021-04-22
申请号：US16987631
申请日：2020-08-07
Inventor： Tian Zhao , Jeffrey A. May
Abstract: An audio or haptic power output system manages and delivers power to multiple output transducers based on corresponding power or current limits that are adjusted dynamically according to measures of power or current that are required to generate power output signals from corresponding digital input values or signals. A power management subsystem controls electrical power or current consumed by power output stages that supply power to the transducers by comparing the measures of power or current required to generate the power output signals to the corresponding power or current limits, and limiting the power or current consumed by the individual power output stages measures of power or current exceeds the corresponding limits.
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公开(公告)号：US10205672B2
公开(公告)日：2019-02-12
申请号：US15226197
申请日：2016-08-02
Inventor： Jeffrey A. May , Vivek Jindal , Anu Chakravarty , Terence C. Bowness , Christian Larsen
IPC: H04L12/863 , H04L29/08 , H04L12/40 , G06F13/372
Abstract: A distributed network system may include a shared communication bus that operates in accordance with a communication protocol and a plurality of devices coupled to the shared communication bus. The communication protocol may define periods of time and an order by which each of the plurality of devices actively transmit data on the shared communication bus such that only one of the plurality of devices actively transmits data on the shared communication bus at a time to a remaining number of the plurality of devices through the shared communication bus. When the remaining number of the plurality of devices are not actively transmitting data, the remaining number of the plurality of devices may receive data via the shared communication bus so that bi-directional communication is established among the plurality of devices on the shared communication bus.
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