Patents by Inventor Anthony Stephen Doy
Anthony Stephen Doy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11779956Abstract: Driver circuitry for driving an electromechanical load with a drive output signal, the driver circuitry comprising: a first control loop operable to control the drive output signal based on a drive input signal; and a second control loop operable to control the drive output signal based on a current flowing through and/or a voltage induced across the electromechanical load, wherein the second control loop is configured to have a lower latency than the first control loop, and to control the drive output signal to compensate for an impedance of the electromechanical load.Type: GrantFiled: October 19, 2021Date of Patent: October 10, 2023Assignee: Cirrus Logic Inc.Inventors: Carl Lennart Ståhl, Emmanuel Marchais, Anthony Stephen Doy, John L. Melanson
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Patent number: 11656711Abstract: Embodiments described herein relate to methods and apparatuses for configuring a plurality of virtual buttons on a device. For example, each of the plurality of virtual buttons may be activated or deactivated based on a mode of operation of the device. By activating and deactivating different combinations of the plurality of virtual buttons depending on the mode of operation of the device, the inadvertent engagement of virtual buttons which would otherwise not be used in that mode of operation may be avoided.Type: GrantFiled: June 17, 2020Date of Patent: May 23, 2023Assignee: Cirrus Logic, Inc.Inventors: Thomas Lorenz, Anthony Stephen Doy
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Patent number: 11500469Abstract: An integrated haptic system may include a digital signal processor and an amplifier communicatively coupled to the digital signal processor and integrated with the digital signal processor into the integrated haptic system. The digital signal processor may be configured to receive a force sensor signal indicative of a force applied to a force sensor and generate a haptic playback signal responsive to the force. The amplifier may be configured to amplify the haptic playback signal and drive a vibrational actuator communicatively coupled to the amplifier with the haptic playback signal as amplified by the amplifier.Type: GrantFiled: October 6, 2021Date of Patent: November 15, 2022Assignee: Cirrus Logic, Inc.Inventors: Harsha Rao, Rong Hu, Carl Lennart Ståhl, Jie Su, Vadim Konradi, Teemu Ramo, Anthony Stephen Doy
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Patent number: 11396031Abstract: Driver circuitry for driving an electromechanical load with a drive output signal based on a digital reference signal at a first sample rate, the drive output signal inducing a first electrical quantity at the electromechanical load, the driver circuitry comprising: a function block configured, based on said first electrical quantity, to digitally determine at a second sample rate higher than the first sample rate an adjustment signal indicative of a second electrical quantity which would be induced at a target output impedance of the driver circuitry due to said first electrical quantity; and a driver configured to generate the drive output signal based on the reference signal and the adjustment signal to cause the drive output signal to behave as if an output impedance of the driver circuitry has been adjusted to comprise the target output impedance, wherein the first electrical quantity is a current and the second electrical quantity is a voltage, or vice versa.Type: GrantFiled: July 14, 2020Date of Patent: July 26, 2022Assignee: Cirrus Logic, Inc.Inventors: Carl Lennart Ståhl, Emmanuel Marchais, Anthony Stephen Doy, John L. Melanson
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Publication number: 20220197389Abstract: The application describes systems for deriving haptic and audio drive signals from an input signal received via a single channel such as an audio channel.Type: ApplicationFiled: January 21, 2022Publication date: June 23, 2022Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Thomas Ivan HARVEY, Anthony Stephen DOY, Anthony John SHILTON
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Publication number: 20220080457Abstract: Driver circuitry for driving an electromechanical load with a drive output signal based on a digital reference signal at a first sample rate, the drive output signal inducing a first electrical quantity at the electromechanical load, the driver circuitry comprising: a function block configured, based on said first electrical quantity, to digitally determine at a second sample rate higher than the first sample rate an adjustment signal indicative of a second electrical quantity which would be induced at a target output impedance of the driver circuitry due to said first electrical quantity; and a driver configured to generate the drive output signal based on the reference signal and the adjustment signal to cause the drive output signal to behave as if an output impedance of the driver circuitry has been adjusted to comprise the target output impedance, wherein the first electrical quantity is a current and the second electrical quantity is a voltage, or vice versa.Type: ApplicationFiled: October 19, 2021Publication date: March 17, 2022Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Carl Lennart STÅHL, Emmanuel MARCHAIS, Anthony Stephen DOY, John L. MELANSON
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Patent number: 11269415Abstract: The application describes systems for deriving haptic and audio drive signals from an input signal received via a single channel such as an audio channel.Type: GrantFiled: August 14, 2018Date of Patent: March 8, 2022Assignee: Cirrus Logic, Inc.Inventors: Thomas Ivan Harvey, Anthony Stephen Doy, Anthony John Shilton
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Publication number: 20220026989Abstract: An integrated haptic system may include a digital signal processor and an amplifier communicatively coupled to the digital signal processor and integrated with the digital signal processor into the integrated haptic system. The digital signal processor may be configured to receive a force sensor signal indicative of a force applied to a force sensor and generate a haptic playback signal responsive to the force. The amplifier may be configured to amplify the haptic playback signal and drive a vibrational actuator communicatively coupled to the amplifier with the haptic playback signal as amplified by the amplifier.Type: ApplicationFiled: October 6, 2021Publication date: January 27, 2022Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Harsha RAO, Rong HU, Carl Lennart STÅHL, Jie SU, Vadim KONRADI, Teemu RAMO, Anthony Stephen DOY
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Publication number: 20200406296Abstract: Driver circuitry for driving an electromechanical load with a drive output signal based on a digital reference signal at a first sample rate, the drive output signal inducing a first electrical quantity at the electromechanical load, the driver circuitry comprising: a function block configured, based on said first electrical quantity, to digitally determine at a second sample rate higher than the first sample rate an adjustment signal indicative of a second electrical quantity which would be induced at a target output impedance of the driver circuitry due to said first electrical quantity; and a driver configured to generate the drive output signal based on the reference signal and the adjustment signal to cause the drive output signal to behave as if an output impedance of the driver circuitry has been adjusted to comprise the target output impedance, wherein the first electrical quantity is a current and the second electrical quantity is a voltage, or vice versa.Type: ApplicationFiled: July 14, 2020Publication date: December 31, 2020Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Carl Lennart STÅHL, Emmanuel MARCHAIS, Anthony Stephen DOY, John L. MELANSON
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Publication number: 20200401292Abstract: Embodiments described herein relate to methods and apparatuses for configuring a plurality of virtual buttons on a device. For example, each of the plurality of virtual buttons may be activated or deactivated based on a mode of operation of the device. By activating and deactivating different combinations of the plurality of virtual buttons depending on the mode of operation of the device, the inadvertent engagement of virtual buttons which would otherwise not be used in that mode operation may be avoided.Type: ApplicationFiled: June 17, 2020Publication date: December 24, 2020Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Thomas LORENZ, Anthony Stephen DOY
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Patent number: 10828672Abstract: Driver circuitry for driving an electromechanical load with a drive output signal based on a digital reference signal at a first sample rate, the drive output signal inducing a first electrical quantity at the electromechanical load, the driver circuitry comprising: a function block configured, based on said first electrical quantity, to digitally determine at a second sample rate higher than the first sample rate an adjustment signal indicative of a second electrical quantity which would be induced at a target output impedance of the driver circuitry due to said first electrical quantity; and a driver configured to generate the drive output signal based on the reference signal and the adjustment signal to cause the drive output signal to behave as if an output impedance of the driver circuitry has been adjusted to comprise the target output impedance, wherein the first electrical quantity is a current and the second electrical quantity is a voltage, or vice versa.Type: GrantFiled: March 29, 2019Date of Patent: November 10, 2020Assignee: Cirrus Logic, Inc.Inventors: Carl Lennart Ståhl, Emmanuel Marchais, Anthony Stephen Doy, John L. Melanson
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Patent number: 10805760Abstract: A mobile device with orientation aware audio mapping capability is disclosed. The mobile device has an aux speaker, a loud speaker, a sensor for device orientation detection, and a processor (or processors) coupled to the sensor and the speakers. Depending on the device orientation, the processor sends a mapped audio output to the speakers. The mapped audio output may be a mono audio signal or a stereo audio signal. The stereo audio output signal may be a stereo audio output signal with a balanced or biased audio power distribution between the aux speaker and the loud speaker.Type: GrantFiled: July 21, 2016Date of Patent: October 13, 2020Assignee: Maxim Integrated Products, Inc.Inventors: Anthony Stephen Doy, Jonathan Chien, Robert Polleros, Vivek Nigam, Sang Youl Choi
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Publication number: 20200306795Abstract: Driver circuitry for driving an electromechanical load with a drive output signal based on a digital reference signal at a first sample rate, the drive output signal inducing a first electrical quantity at the electromechanical load, the driver circuitry comprising: a function block configured, based on said first electrical quantity, to digitally determine at a second sample rate higher than the first sample rate an adjustment signal indicative of a second electrical quantity which would be induced at a target output impedance of the driver circuitry due to said first electrical quantity; and a driver configured to generate the drive output signal based on the reference signal and the adjustment signal to cause the drive output signal to behave as if an output impedance of the driver circuitry has been adjusted to comprise the target output impedance, wherein the first electrical quantity is a current and the second electrical quantity is a voltage, or vice versa.Type: ApplicationFiled: March 29, 2019Publication date: October 1, 2020Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Carl Lennart STÅHL, Emmanuel MARCHAIS, Anthony Stephen DOY, John L. MELANSON
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Publication number: 20200272239Abstract: An integrated haptic system may include a digital signal processor and an amplifier communicatively coupled to the digital signal processor and integrated with the digital signal processor into the integrated haptic system. The digital signal processor may be configured to receive a force sensor signal indicative of a force applied to a force sensor and generate a haptic playback signal responsive to the force. The amplifier may be configured to amplify the haptic playback signal and drive a vibrational actuator communicatively coupled to the amplifier with the haptic playback signal as amplified by the amplifier.Type: ApplicationFiled: May 11, 2020Publication date: August 27, 2020Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Harsha RAO, Rong HU, Carl Lennart STÅHL, Jie SU, Vadim KONRADI, Teemu RAMO, Anthony Stephen DOY
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Patent number: 10732714Abstract: An integrated haptic system may include a digital signal processor and an amplifier communicatively coupled to the digital signal processor and integrated with the digital signal processor into the integrated haptic system. The digital signal processor may be configured to receive a force sensor signal indicative of a force applied to a force sensor and generate a haptic playback signal responsive to the force. The amplifier may be configured to amplify the haptic playback signal and drive a vibrational actuator communicatively coupled to the amplifier with the haptic playback signal as amplified by the amplifier.Type: GrantFiled: October 2, 2017Date of Patent: August 4, 2020Assignee: Cirrus Logic, Inc.Inventors: Harsha Rao, Rong Hu, Carl Lennart Ståhl, Jie Su, Vadim Konradi, Teemu Ramo, Anthony Stephen Doy
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Publication number: 20200057502Abstract: The application describes systems for deriving haptic and audio drive signals from an input signal received via a single channel such as an audio channel.Type: ApplicationFiled: August 14, 2018Publication date: February 20, 2020Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Thomas Ivan HARVEY, Anthony Stephen DOY, Anthony John SHILTON
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Patent number: 10234952Abstract: The invention relates to wearable devices for sensing gestures. A watch, which is a wearable device, includes an ultrasonic system that has an ultrasonic transducer and one or more sensors and measures the location of a finger on the back of the user's hand. Using the ultrasonic system, it is possible to use the back of the hand as an extension to the screen display of the watch. The watch can be used as a motion detector and interface with various types of mobile devices, such as computerized eyeglass. The watch can also function as a generic input mechanism for various types of devices, such as tablet, TV, or laptop computer, where these devices are coupled to the watch via a suitable communication system, such as Bluetooth® interconnection system.Type: GrantFiled: February 9, 2015Date of Patent: March 19, 2019Assignee: Maxim Integrated Products, Inc.Inventors: Pirooz Parvarandeh, Anthony Stephen Doy
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Publication number: 20180321748Abstract: An integrated haptic system may include a digital signal processor and an amplifier communicatively coupled to the digital signal processor and integrated with the digital signal processor into the integrated haptic system. The digital signal processor may be configured to receive a force sensor signal indicative of a force applied to a force sensor and generate a haptic playback signal responsive to the force. The amplifier may be configured to amplify the haptic playback signal and drive a vibrational actuator communicatively coupled to the amplifier with the haptic playback signal as amplified by the amplifier.Type: ApplicationFiled: October 2, 2017Publication date: November 8, 2018Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Harsha RAO, Rong HU, Carl Lennart STÅHL, Jie SU, Vadim KONRADI, Teemu RAMO, Anthony Stephen Doy
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Patent number: 9703350Abstract: The invention relates to an electronic device that includes a wake-up system that operates at a substantially low power level and is applied to wake up the electronic device from a sleep mode. The wake-up system comprises a sound transducer that converts a received sound signal to an electrical signal and a keyword detection logic that preliminarily identifies a speech energy profile that corresponds to at least one of a plurality of keywords in a part of the electrical signal. In some embodiments, a keyword finder is further activated to identify with an enhanced accuracy whether the at least one keyword exists in the part of the electrical signal, and generates a wake-up control to activate a host of the electronic device from its sleep mode.Type: GrantFiled: June 24, 2013Date of Patent: July 11, 2017Assignee: Maxim Integrated Products, Inc.Inventors: Vivek Nigam, Yadong Wang, Anthony Stephen Doy, Todd D. Moore
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Publication number: 20170026772Abstract: A mobile device with orientation aware audio mapping capability is disclosed. The mobile device has an aux speaker, a loud speaker, a sensor for device orientation detection, and a processor (or processors) coupled to the sensor and the speakers. Depending on the device orientation, the processor sends a mapped audio output to the speakers. The mapped audio output may be a mono audio signal or a stereo audio signal. The stereo audio output signal may be a stereo audio output signal with a balanced or biased audio power distribution between the aux speaker and the loud speaker.Type: ApplicationFiled: July 21, 2016Publication date: January 26, 2017Applicant: Maxim Integrated Products, Inc.Inventors: Anthony Stephen Doy, Jonathan Chien, Robert Polleros, Vivek Nigam, Sang Youl Choi