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Andrew James Howlett

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  • Edinburgh, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Audio amplifier circuitry
    • Patent number 11,881,826
    • Issue date Jan 23, 2024
    • Cirrus Logic Inc.
    • David P. Singleton
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Connectors for audio data transfer
    • Patent number 11,768,787
    • Issue date Sep 26, 2023
    • Cirrus Logic Inc.
    • Robert David Rand
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    ADC circuitry
    • Patent number 11,528,031
    • Issue date Dec 13, 2022
    • Cirrus Logic, Inc.
    • Andrew J. Howlett
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Biasing circuitry
    • Patent number 11,500,404
    • Issue date Nov 15, 2022
    • Cirrus Logic, Inc.
    • John B. Bowlerwell
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Driver circuitry
    • Patent number 11,483,654
    • Issue date Oct 25, 2022
    • Cirrus Logic, Inc.
    • Andrew J. Howlett
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifier circuits
    • Patent number 11,418,153
    • Issue date Aug 16, 2022
    • Cirrus Logic, Inc.
    • John P. Lesso
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Monitoring of devices
    • Patent number 10,811,826
    • Issue date Oct 20, 2020
    • Cirrus Logic, Inc.
    • Andrew James Howlett
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Audio circuitry
    • Patent number 10,506,338
    • Issue date Dec 10, 2019
    • Cirrus Logic, Inc.
    • Andrew James Howlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Modulators
    • Patent number 10,298,247
    • Issue date May 21, 2019
    • Cirrus Logic, Inc.
    • Louis Frew
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Connectors for audio data transfer
    • Patent number 10,198,386
    • Issue date Feb 5, 2019
    • Cirrus Logic, Inc.
    • Robert David Rand
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Microphone biasing circuitry and method thereof
    • Patent number 9,872,103
    • Issue date Jan 16, 2018
    • Cirrus Logic, Inc.
    • Andrew James Howlett
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Microphone biasing circuitry and method thereof
    • Patent number 9,661,434
    • Issue date May 23, 2017
    • Cirrus Logic, Inc.
    • Andrew James Howlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microphone biasing circuitry and method thereof
    • Patent number 9,490,765
    • Issue date Nov 8, 2016
    • Cirrus Logic, Inc.
    • Andrew James Howlett
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Microphone biasing circuitry and method thereof
    • Patent number 9,148,722
    • Issue date Sep 29, 2015
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew James Howlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Digital to analog converter circuits and methods of operation thereof
    • Patent number 7,786,916
    • Issue date Aug 31, 2010
    • Wolfson Microelectronics plc
    • Simon Kenneth Quinn
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    CIRCUITRY FOR AND METHODS OF GAIN CONTROL
    • Publication number 20240154592
    • Publication date May 9, 2024
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew J. HOWLETT
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    VOLTAGE SUPPLY
    • Publication number 20240154612
    • Publication date May 9, 2024
    • Cirrus Logic International Semiconductor Ltd.
    • Kapil SHARMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    AUDIO AMPLIFIER CIRCUITRY
    • Publication number 20240097633
    • Publication date Mar 21, 2024
    • Cirrus Logic International Semiconductor Ltd.
    • David P. SINGLETON
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Circuitry for and Methods of Gain Control
    • Publication number 20230353937
    • Publication date Nov 2, 2023
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew J. HOWLETT
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Circuitry for and Methods of Gain Control
    • Publication number 20230353111
    • Publication date Nov 2, 2023
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew J. HOWLETT
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER CONVERTER CIRCUITRY
    • Publication number 20230344351
    • Publication date Oct 26, 2023
    • Cirrus Logic International Semiconductor Ltd.
    • Alastair M. BOOMER
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MULTI-CHANNEL CONVERTERS AND RECONFIGURATION THEREOF
    • Publication number 20230328438
    • Publication date Oct 12, 2023
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew J. HOWLETT
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PROTECTION CIRCUITRY
    • Publication number 20230299575
    • Publication date Sep 21, 2023
    • Cirrus Logic International Semiconductor Ltd.
    • David P. SINGLETON
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AMPLIFIER CIRCUITS
    • Publication number 20210391831
    • Publication date Dec 16, 2021
    • Cirrus Logic International Semiconductor Ltd.
    • John P. LESSO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    CIRCUITRY FOR PROVIDING AN OUTPUT VOLTAGE
    • Publication number 20210351753
    • Publication date Nov 11, 2021
    • Cirrus Logic International Semiconductor Ltd.
    • John B. BOWLERWELL
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ADC CIRCUITRY
    • Publication number 20210273646
    • Publication date Sep 2, 2021
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew J. HOWLETT
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DRIVER CIRCUITRY
    • Publication number 20210250685
    • Publication date Aug 12, 2021
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew J. HOWLETT
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    AUDIO AMPLIFIER CIRCUITRY
    • Publication number 20210242847
    • Publication date Aug 5, 2021
    • Cirrus Logic International Semiconductor Ltd.
    • David P. SINGLETON
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    BIASING CIRCUITRY
    • Publication number 20210232165
    • Publication date Jul 29, 2021
    • Cirrus Logic International Semiconductor Ltd.
    • John B. BOWLERWELL
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    MONITORING OF DEVICES
    • Publication number 20200412071
    • Publication date Dec 31, 2020
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew James HOWLETT
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CONNECTORS FOR AUDIO DATA TRANSFER
    • Publication number 20190220430
    • Publication date Jul 18, 2019
    • Cirrus Logic International Semiconductor Ltd.
    • Robert David Rand
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    AUDIO CIRCUITY
    • Publication number 20180376246
    • Publication date Dec 27, 2018
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew James HOWLETT
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MONITORING OF DEVICES
    • Publication number 20170346242
    • Publication date Nov 30, 2017
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew James HOWLETT
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MICROPHONE BIASING CIRCUITRY AND METHOD THEREOF
    • Publication number 20170245052
    • Publication date Aug 24, 2017
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew James Howlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICROPHONE BIASING CIRCUITRY AND METHOD THEREOF
    • Publication number 20170078814
    • Publication date Mar 16, 2017
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew James Howlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CONNECTORS FOR AUDIO DATA TRANSFER
    • Publication number 20160246747
    • Publication date Aug 25, 2016
    • Cirrus Logic International Semiconductor Ltd.
    • Robert David Rand
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MICROPHONE BIASING CIRCUITRY AND METHOD THEREOF
    • Publication number 20160056786
    • Publication date Feb 25, 2016
    • Cirrus Logic International Semiconductor Ltd.
    • Andrew James Howlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICROPHONE BIASING CIRCUITRY AND METHOD THEREOF
    • Publication number 20140307910
    • Publication date Oct 16, 2014
    • WOLFSON MICROELECTRONICS PLC
    • Andrew James Howlett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIGITAL TO ANALOG CONVERTER CIRCUITS AND METHODS OF OPERATION THEREOF
    • Publication number 20090066552
    • Publication date Mar 12, 2009
    • Simon Kenneth Quinn
    • H03 - BASIC ELECTRONIC CIRCUITRY