-
公开(公告)号：US11812218B1
公开(公告)日：2023-11-07
申请号：US16592164
申请日：2019-10-03
Inventor： Philip Clarkin , Itisha Tyagi , Kaichow Lau
CPC classification number: H04R1/2803 , G06F3/016 , G06F3/167 , H04R9/06 , H04R2400/03 , H04R2499/11
Abstract: A system may include a vibrating surface, a single mechanical transducer mechanically coupled to the vibrating surface, a signal processing subsystem configured to receive an audio signal and a haptic signal, process the audio signal and the haptic signal to generate a combined audio-haptic signal, and drive the combined audio-haptic signal to the single mechanical transducer in order to generate concurrent audio playback and haptic effects on the vibrating surface; and a control subsystem configured to, responsive to a haptic stimulus, modify at least one parameter of at least one of the audio signal and the haptic signal to accommodate the concurrent audio playback and haptic effects on the vibrating surface within at least one operational limit of the system.
-
公开(公告)号：US10324113B2
公开(公告)日：2019-06-18
申请号：US15069733
申请日：2016-03-14
Inventor： Vamsikrishna Parupalli , Itisha Tyagi
Abstract: The overall performance of a current sense amplifier system may be improved by increasing the common mode rejection of the system. In particular, improved current sense amplifiers may be configured to use a first signal path coupled to the amplifier and a first input terminal, wherein the first signal path is configured to measure the current through a device by generating a voltage proportional to the measured current, wherein the generated voltage includes a small signal voltage with a large common mode voltage, and a second signal path coupled to the amplifier and the first input terminal, wherein the second signal path is configured to reduce the common mode of the generated voltage by level shifting the generated voltage to reduce the common mode voltage.
-
公开(公告)号：US11259121B2
公开(公告)日：2022-02-22
申请号：US16040853
申请日：2018-07-20
Inventor： Eric Lindemann , Itisha Tyagi , John L. Melanson
IPC: H04R7/04
Abstract: Embodiments described herein provide an audio device and a method of operating the audio device. The audio device comprises at least one surface, a first surface transducer positioned to excite first modes of oscillation in a first surface of the at least one surface, and a second surface transducer positioned to excite second modes of oscillation in a second surface of the at least one surface, wherein the first modes of oscillation are of a higher frequency than the second modes of oscillation.
-
公开(公告)号：US10735856B2
公开(公告)日：2020-08-04
申请号：US16287235
申请日：2019-02-27
Inventor： Nicholas Roche , Anthony S. Doy , Itisha Tyagi
Abstract: A method of fabricating a piezoelectric transducer may include interleaving a plurality of layers of piezoelectric material with a plurality of conductive layers including a first conductive layer, one or more second conductive layers, and one or more third conductive layers, coupling the first conductive layer to a first electrode, wherein an electrical impedance of the first conductive layer varies as a function of a temperature internal to the piezoelectric transducer, and such that a measurement signal indicative of the electrical impedance is generated at the first electrode, coupling the one or more second conductive layers to a second electrode, and coupling the one or more third conductive layers to a third electrode, such that an electrical driving signal driven to the second electrode and the third electrode causes mechanical vibration of the piezoelectric transducer as a function of the electrical driving signal.
-
公开(公告)号：US10785567B1
公开(公告)日：2020-09-22
申请号：US16903044
申请日：2020-06-16
Inventor： Nicholas Roche , Anthony S. Doy , Itisha Tyagi
Abstract: A method of fabricating a piezoelectric transducer may include interleaving a plurality of layers of piezoelectric material with a plurality of conductive layers including a first conductive layer, one or more second conductive layers, and one or more third conductive layers, coupling the first conductive layer to a first electrode, wherein an electrical impedance of the first conductive layer varies as a function of a temperature internal to the piezoelectric transducer, and such that a measurement signal indicative of the electrical impedance is generated at the first electrode, coupling the one or more second conductive layers to a second electrode, and coupling the one or more third conductive layers to a third electrode, such that an electrical driving signal driven to the second electrode and the third electrode causes mechanical vibration of the piezoelectric transducer as a function of the electrical driving signal.
-
Patent Agency Ranking
公开(公告)号：US10132844B2
公开(公告)日：2018-11-20
申请号：US15069518
申请日：2016-03-14
Inventor： Vamsikrishna Parupalli , Itisha Tyagi
Abstract: The overall performance of a current sense amplifier system may be improved by increasing the common mode rejection of the system. In particular, improved current sense amplifier systems of this disclosure may be configured to use a first ADC path to measure a current flowing through a device, a second ADC path to measure a common mode value, a memory element to store a calibration value, and a summer block to output a voltage proportional to the measured current through the device by correcting a voltage value output by the first ADC path based on the measured common mode value of the second ADC path and the stored calibration value.
-
公开(公告)号：US11228840B2
公开(公告)日：2022-01-18
申请号：US16040853
申请日：2018-07-20
Inventor： Eric Lindemann , Itisha Tyagi , John L. Melanson
IPC: H04R7/04
Abstract: Embodiments described herein provide an audio device and a method of operating the audio device. The audio device comprises at least one surface, a first surface transducer positioned to excite first modes of oscillation in a first surface of the at least one surface, and a second surface transducer positioned to excite second modes of oscillation in a second surface of the at least one surface, wherein the first modes of oscillation are of a higher frequency than the second modes of oscillation.
-
公开(公告)号：US11228284B2
公开(公告)日：2022-01-18
申请号：US16272215
申请日：2019-02-11
Inventor： Eric Lindemann , Itisha Tyagi
Abstract: A method for controlling one or more parameters of an amplifier system may include receiving an indication of a physical quantity associated with the amplifier system, determining one or more parameters of the amplifier system in response to the indication, and causing the amplifier system to operate in accordance with the one or more parameters.
-
公开(公告)号：US20170141732A1
公开(公告)日：2017-05-18
申请号：US15069733
申请日：2016-03-14
Inventor： Vamsikrishna Parupalli , Itisha Tyagi
CPC classification number: G01R19/10 , G01R15/14 , H03F1/0205 , H03F3/45 , H03F3/45475 , H03F3/45937 , H03F2200/171 , H03F2200/462 , H03F2203/45048 , H03F2203/45081 , H03F2203/45101 , H04R3/007
Abstract: The overall performance of a current sense amplifier system may be improved by increasing the common mode rejection of the system. In particular, improved current sense amplifiers may be configured to use a first signal path coupled to the amplifier and a first input terminal, wherein the first signal path is configured to measure the current through a device by generating a voltage proportional to the measured current, wherein the generated voltage comprises a small signal voltage with a large common mode voltage, and a second signal path coupled to the amplifier and the first input terminal, wherein the second signal path is configured to reduce the common mode of the generated voltage by level shifting the generated voltage to reduce the common mode voltage.
-
公开(公告)号：US20170138990A1
公开(公告)日：2017-05-18
申请号：US15069518
申请日：2016-03-14
Inventor： Vamsikrishna Parupalli , Itisha Tyagi
CPC classification number: G01R19/10 , G01R15/14 , H03F1/0205 , H03F3/45 , H03F3/45475 , H03F3/45937 , H03F2200/171 , H03F2200/462 , H03F2203/45048 , H03F2203/45081 , H03F2203/45101 , H04R3/007
Abstract: The overall performance of a current sense amplifier system may be improved by increasing the common mode rejection of the system. In particular, improved current sense amplifier systems of this disclosure may be configured to use a first ADC path to measure a current flowing through a device, a second ADC path to measure a common mode value, a memory element to store a calibration value, and a summer block to output a voltage proportional to the measured current through the device by correcting a voltage value output by the first ADC path based on the measured common mode value of the second ADC path and the stored calibration value.
-
-
-
-
-
-
-
-
-
Search Results
10
records
(took 0.017 seconds)
